>>> Unpacking source... >>> Unpacking qalculate-gtk-0.8.0.tar.gz to /var/tmp/portage/qalculate-gtk-0.8.0/work >>> Source unpacked. * Patching ${S}/ltmain.sh ... * Portage patch seems to be already applied. * Please verify that it is not needed. * Applying sed-1.4.3.patch ... * Applying uClibc/libtool patches ... QA Notice: USE Flag 'doc' not in IUSE for sci-calculators/qalculate-gtk-0.8.0 * econf: updating qalculate-gtk-0.8.0/config.guess with /usr/share/gnuconfig/config.guess * econf: updating qalculate-gtk-0.8.0/config.sub with /usr/share/gnuconfig/config.sub ./configure --prefix=/usr --host=sparc-unknown-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --build=sparc-unknown-linux-gnu --enable-gtk-doc checking for a BSD-compatible install... /bin/install -c checking whether build environment is sane... yes checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether to enable maintainer-specific portions of Makefiles... no checking for style of include used by make... 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GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes configure: creating libtool appending configuration tag "CXX" to libtool checking for ld used by sparc-unknown-linux-gnu-g++... /usr/sparc-unknown-linux-gnu/bin/ld checking if the linker (/usr/sparc-unknown-linux-gnu/bin/ld) is GNU ld... yes checking whether the sparc-unknown-linux-gnu-g++ linker (/usr/sparc-unknown-linux-gnu/bin/ld) supports shared libraries... yes checking for sparc-unknown-linux-gnu-g++ option to produce PIC... -fPIC checking if sparc-unknown-linux-gnu-g++ PIC flag -fPIC works... yes checking if sparc-unknown-linux-gnu-g++ supports -c -o file.o... yes checking whether the sparc-unknown-linux-gnu-g++ linker (/usr/sparc-unknown-linux-gnu/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes appending configuration tag "F77" to libtool checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking for sparc-unknown-linux-gnu-g77 option to produce PIC... -fPIC checking if sparc-unknown-linux-gnu-g77 PIC flag -fPIC works... yes checking if sparc-unknown-linux-gnu-g77 supports -c -o file.o... yes checking whether the sparc-unknown-linux-gnu-g77 linker (/usr/sparc-unknown-linux-gnu/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes ./configure: line 20388: test: too many arguments checking for pthread_create in -lpthread... yes checking for pkg-config... /usr/bin/pkg-config checking for glib-2.0 >= 2.4 libxml-2.0 ... yes checking GLIB_CFLAGS... -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 checking GLIB_LIBS... -lglib-2.0 -lxml2 -lpthread -lz -lm checking for gtk+-2.0 >= 2.4 gdk-pixbuf-2.0 libglade-2.0 ... yes checking GTK_CFLAGS... -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/freetype2/config -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libglade-2.0 -I/usr/include/libxml2 checking GTK_LIBS... -lglade-2.0 -lgtk-x11-2.0 -lxml2 -lpthread -lz -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 checking for libqalculate ... yes checking QALCULATE_CFLAGS... -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 checking QALCULATE_LIBS... -lcln -lgmp -lglib-2.0 -lxml2 -lpthread -lz -lm checking for libgnome-2.0 >= 2.0.0... yes checking GNOME_UTILS_CFLAGS... -DORBIT2=1 -pthread -I/usr/include/libgnome-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/orbit-2.0 -I/usr/include/libbonobo-2.0 -I/usr/include/gconf/2 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 checking GNOME_UTILS_LIBS... -Wl,--export-dynamic -pthread -lgnome-2 -lpopt -lgnomevfs-2 -lbonobo-2 -lgconf-2 -lbonobo-activation -lORBit-2 -lm -lgmodule-2.0 -ldl -lgthread-2.0 -lglib-2.0 checking for scrollkeeper-config... /usr/bin/scrollkeeper-config checking for cln-config... /usr/bin/cln-config checking for CLN - version >= 1.1.0... yes, 1.1.9 checking locale.h usability... yes checking locale.h presence... yes checking for locale.h... yes checking for LC_MESSAGES... yes checking libintl.h usability... yes checking libintl.h presence... yes checking for libintl.h... yes checking for ngettext in libc... yes checking for dgettext in libc... yes checking for bind_textdomain_codeset... yes checking for msgfmt... /usr/bin/msgfmt checking for dcgettext... no checking for gmsgfmt... /usr/bin/gmsgfmt checking for xgettext... /usr/bin/xgettext checking for catalogs to be installed... checking locale directory... "/usr/share/locale" configure: creating ./config.status config.status: creating Makefile config.status: creating data/Makefile config.status: creating doc/Makefile config.status: creating doc/C/Makefile config.status: creating src/Makefile config.status: creating po/Makefile.in config.status: creating config.h config.status: executing depfiles commands config.status: executing default-1 commands config.status: executing default-2 commands make all-recursive make[1]: Entering directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0' Making all in data make[2]: Entering directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0/data' LC_ALL=C ../intltool-merge -d -u -c ../po/.intltool-merge-cache ../po qalculate-gtk.desktop.in qalculate-gtk.desktop Generating and caching the translation database Merging translations into qalculate-gtk.desktop. make[2]: Leaving directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0/data' Making all in src make[2]: Entering directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0/src' if sparc-unknown-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I. -I.. -DPACKAGE_DATA_DIR=\""/usr/share"\" -DPACKAGE_LOCALE_DIR=\""/usr/share/locale"\" -DORBIT2=1 -pthread -I/usr/include/libgnome-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/orbit-2.0 -I/usr/include/libbonobo-2.0 -I/usr/include/gconf/2 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/freetype2/config -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libglade-2.0 -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -mcpu=ultrasparc3 -mvis -O2 -pipe -Wa,-Av8plusa -MT main.o -MD -MP -MF ".deps/main.Tpo" \ -c -o main.o `test -f 'main.cc' || echo './'`main.cc; \ then mv -f ".deps/main.Tpo" ".deps/main.Po"; \ else rm -f ".deps/main.Tpo"; exit 1; \ fi if sparc-unknown-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I. -I.. -DPACKAGE_DATA_DIR=\""/usr/share"\" -DPACKAGE_LOCALE_DIR=\""/usr/share/locale"\" -DORBIT2=1 -pthread -I/usr/include/libgnome-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/orbit-2.0 -I/usr/include/libbonobo-2.0 -I/usr/include/gconf/2 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/freetype2/config -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libglade-2.0 -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -mcpu=ultrasparc3 -mvis -O2 -pipe -Wa,-Av8plusa -MT interface.o -MD -MP -MF ".deps/interface.Tpo" \ -c -o interface.o `test -f 'interface.cc' || echo './'`interface.cc; \ then mv -f ".deps/interface.Tpo" ".deps/interface.Po"; \ else rm -f ".deps/interface.Tpo"; exit 1; \ fi if sparc-unknown-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I. -I.. -DPACKAGE_DATA_DIR=\""/usr/share"\" -DPACKAGE_LOCALE_DIR=\""/usr/share/locale"\" -DORBIT2=1 -pthread -I/usr/include/libgnome-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/orbit-2.0 -I/usr/include/libbonobo-2.0 -I/usr/include/gconf/2 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/bonobo-activation-2.0 -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/freetype2/config -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libglade-2.0 -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -mcpu=ultrasparc3 -mvis -O2 -pipe -Wa,-Av8plusa -MT callbacks.o -MD -MP -MF ".deps/callbacks.Tpo" \ -c -o callbacks.o `test -f 'callbacks.cc' || echo './'`callbacks.cc; \ then mv -f ".deps/callbacks.Tpo" ".deps/callbacks.Po"; \ else rm -f ".deps/callbacks.Tpo"; exit 1; \ fi /bin/sh ../libtool --mode=link sparc-unknown-linux-gnu-g++ -mcpu=ultrasparc3 -mvis -O2 -pipe -Wa,-Av8plusa -o qalculate-gtk main.o interface.o callbacks.o -lglib-2.0 -lxml2 -lpthread -lz -lm -lglade-2.0 -lgtk-x11-2.0 -lxml2 -lpthread -lz -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -Wl,--export-dynamic -pthread -lgnome-2 -lpopt -lgnomevfs-2 -lbonobo-2 -lgconf-2 -lbonobo-activation -lORBit-2 -lm -lgmodule-2.0 -ldl -lgthread-2.0 -lglib-2.0 -lcln -lgmp -lglib-2.0 -lxml2 -lpthread -lz -lm -lpthread -L/usr/lib -lcln -lgmp mkdir .libs sparc-unknown-linux-gnu-g++ -mcpu=ultrasparc3 -mvis -O2 -pipe -Wa,-Av8plusa -o qalculate-gtk main.o interface.o callbacks.o -Wl,--export-dynamic /usr/lib/libglade-2.0.so /usr/lib/libgtk-x11-2.0.so /usr/lib/libgdk-x11-2.0.so /usr/lib/libatk-1.0.so /usr/lib/libgdk_pixbuf-2.0.so /usr/lib/libpangoxft-1.0.so /usr/lib/libpangox-1.0.so /usr/lib/libpangoft2-1.0.so /usr/lib/libpango-1.0.so -pthread /usr/lib/libgnome-2.so /usr/lib/libesd.so -L/usr/lib /usr/lib/libaudiofile.so /usr/lib/libgnomevfs-2.so -lssl -lcrypto /usr/lib/libhowl.so -lresolv -lrt /usr/lib/libbonobo-2.so /usr/lib/libgconf-2.so /usr/lib/libbonobo-activation.so /usr/lib/libORBitCosNaming-2.so /usr/lib/libORBit-2.so /usr/lib/libpopt.so /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so /usr/lib/libgthread-2.0.so /usr/lib/libglib-2.0.so /usr/lib/libxml2.so -ldl -lz -lm -lpthread /usr/lib/libcln.so /usr/lib/libgmp.so main.o: In function `main': main.cc:(.text+0x288): undefined reference to `Calculator::Calculator[in-charge]()' main.cc:(.text+0x2a0): undefined reference to `MathStructure::MathStructure[in-charge]()' main.cc:(.text+0x2b8): undefined reference to `MathStructure::MathStructure[in-charge]()' main.cc:(.text+0x2e8): undefined reference to `calculator' main.cc:(.text+0x2f0): undefined reference to `calculator' main.cc:(.text+0x2f8): undefined reference to `Calculator::canPlot()' main.cc:(.text+0x300): undefined reference to `calculator' main.cc:(.text+0x308): undefined reference to `calculator' main.cc:(.text+0x30c): undefined reference to `Calculator::canFetch()' main.cc:(.text+0x3c0): undefined reference to `calculator' main.cc:(.text+0x3d0): undefined reference to `Calculator::loadExchangeRates()' main.cc:(.text+0x3d4): undefined reference to `calculator' main.cc:(.text+0x480): undefined reference to `m_undefined' main.cc:(.text+0x49c): undefined reference to `m_undefined' main.cc:(.text+0x4a4): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' main.cc:(.text+0x4ac): undefined reference to `calculator' main.cc:(.text+0x4b4): undefined reference to `calculator' main.cc:(.text+0x4c0): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' main.cc:(.text+0x6a8): undefined reference to `m_undefined' main.cc:(.text+0x6b0): undefined reference to `m_undefined' main.cc:(.text+0x6b4): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' main.cc:(.text+0x6bc): undefined reference to `calculator' main.cc:(.text+0x6c8): undefined reference to `calculator' main.cc:(.text+0x6d0): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' main.cc:(.text+0x7e4): undefined reference to `m_undefined' main.cc:(.text+0x7ec): undefined reference to `m_undefined' main.cc:(.text+0x7f0): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' main.cc:(.text+0x7f8): undefined reference to `calculator' main.cc:(.text+0x804): undefined reference to `calculator' main.cc:(.text+0x80c): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' main.cc:(.text+0x920): undefined reference to `m_undefined' main.cc:(.text+0x928): undefined reference to `m_undefined' main.cc:(.text+0x92c): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' main.cc:(.text+0x934): undefined reference to `calculator' main.cc:(.text+0x940): undefined reference to `calculator' main.cc:(.text+0x948): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' main.cc:(.text+0xa44): undefined reference to `m_undefined' main.cc:(.text+0xa50): undefined reference to `m_undefined' main.cc:(.text+0xa68): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' main.cc:(.text+0xa70): undefined reference to `calculator' main.cc:(.text+0xa7c): undefined reference to `calculator' main.cc:(.text+0xa84): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' main.cc:(.text+0xb00): undefined reference to `calculator' main.cc:(.text+0xb04): undefined reference to `calculator' main.cc:(.text+0xb08): undefined reference to `Calculator::loadGlobalDefinitions()' main.cc:(.text+0xb0c): undefined reference to `calculator' main.cc:(.text+0xb18): undefined reference to `calculator' main.cc:(.text+0xb1c): undefined reference to `Calculator::loadLocalDefinitions()' main.cc:(.text+0xb20): undefined reference to `calculator' main.cc:(.text+0xd04): undefined reference to `calculator' main.cc:(.text+0xd0c): undefined reference to `Calculator::getFunction(std::basic_string, std::allocator >)' main.cc:(.text+0xd10): undefined reference to `calculator' main.cc:(.text+0xd80): undefined reference to `calculator' main.cc:(.text+0xd88): undefined reference to `Calculator::getVariable(std::basic_string, std::allocator >)' main.cc:(.text+0xd8c): undefined reference to `calculator' main.cc:(.text+0xdfc): undefined reference to `calculator' main.cc:(.text+0xe04): undefined reference to `Calculator::getUnit(std::basic_string, std::allocator >)' main.cc:(.text+0xe08): undefined reference to `calculator' main.cc:(.text+0xfb4): undefined reference to `calculator' main.cc:(.text+0x10e0): undefined reference to `calculator' main.cc:(.text+0x1194): undefined reference to `calculator' main.cc:(.text+0x11b0): undefined reference to `calculator' interface.o:interface.cc:(.text+0x998): more undefined references to `calculator' follow interface.o: In function `create_main_window()': interface.cc:(.text+0x9b8): undefined reference to `Calculator::defaultAssumptions()' interface.cc:(.text+0x9bc): undefined reference to `calculator' interface.cc:(.text+0x9c0): undefined reference to `Assumptions::sign()' interface.cc:(.text+0xa18): undefined reference to `Calculator::defaultAssumptions()' interface.cc:(.text+0xa1c): undefined reference to `calculator' interface.cc:(.text+0xa20): undefined reference to `Assumptions::numberType()' interface.o: In function `get_unit_edit_dialog()': interface.cc:(.text+0x2a0c): undefined reference to `calculator' interface.cc:(.text+0x2a24): undefined reference to `calculator' interface.cc:(.text+0x2a70): undefined reference to `calculator' interface.cc:(.text+0x2a74): undefined reference to `calculator' interface.cc:(.text+0x2ab8): undefined reference to `calculator' interface.o:interface.cc:(.text+0x2abc): more undefined references to `calculator' follow interface.o: In function `get_periodic_dialog()': interface.cc:(.text+0x512c): undefined reference to `Calculator::getDataSet(std::basic_string, std::allocator >)' interface.cc:(.text+0x5130): undefined reference to `calculator' interface.cc:(.text+0x51f4): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' interface.cc:(.text+0x5238): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' interface.cc:(.text+0x527c): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' interface.cc:(.text+0x52c0): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' interface.cc:(.text+0x5304): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' interface.o:interface.cc:(.text+0x5348): more undefined references to `DataSet::getProperty(std::basic_string, std::allocator >)' follow interface.o: In function `get_periodic_dialog()': interface.cc:(.text+0x53e0): undefined reference to `i2s(unsigned)' interface.cc:(.text+0x53f0): undefined reference to `DataSet::getObject(std::basic_string, std::allocator >)' interface.cc:(.text+0x542c): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x5434): undefined reference to `s2i(std::basic_string, std::allocator > const&)' interface.cc:(.text+0x5448): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x5450): undefined reference to `s2i(std::basic_string, std::allocator > const&)' interface.cc:(.text+0x5560): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x570c): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x5714): undefined reference to `s2i(std::basic_string, std::allocator > const&)' interface.cc:(.text+0x579c): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x57d8): undefined reference to `DataObject::getProperty(DataProperty*, int*)' interface.cc:(.text+0x57fc): undefined reference to `DataObject::getPropertyDisplayString(DataProperty*)' callbacks.o: In function `set_unicode_buttons()': callbacks.cc:(.text+0x864): undefined reference to `calculator' callbacks.cc:(.text+0x89c): undefined reference to `Calculator::getDecimalPoint() const' callbacks.cc:(.text+0x8a0): undefined reference to `calculator' callbacks.cc:(.text+0xab0): undefined reference to `calculator' callbacks.cc:(.text+0xab4): undefined reference to `Calculator::getDecimalPoint() const' callbacks.cc:(.text+0xab8): undefined reference to `calculator' callbacks.o: In function `update_status_text()': callbacks.cc:(.text+0x11bc): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x1594): undefined reference to `i2s(int)' callbacks.o: In function `display_errors(_GtkTextIter*, _GtkWidget*)': callbacks.cc:(.text+0x1784): undefined reference to `calculator' callbacks.cc:(.text+0x1788): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x178c): undefined reference to `calculator' callbacks.cc:(.text+0x17f0): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x17f4): undefined reference to `calculator' callbacks.cc:(.text+0x17f8): undefined reference to `CalculatorMessage::type() const' callbacks.cc:(.text+0x1820): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x1824): undefined reference to `calculator' callbacks.cc:(.text+0x1830): undefined reference to `CalculatorMessage::message() const' callbacks.cc:(.text+0x18a4): undefined reference to `Calculator::nextMessage()' callbacks.cc:(.text+0x18a8): undefined reference to `calculator' callbacks.cc:(.text+0x198c): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x1990): undefined reference to `calculator' callbacks.cc:(.text+0x1998): undefined reference to `CalculatorMessage::message() const' callbacks.cc:(.text+0x1a0c): undefined reference to `calculator' callbacks.cc:(.text+0x1a10): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x1a1c): undefined reference to `CalculatorMessage::message() const' callbacks.cc:(.text+0x1ac4): undefined reference to `calculator' callbacks.cc:(.text+0x1acc): undefined reference to `calculator' callbacks.cc:(.text+0x1ad0): undefined reference to `Calculator::message()' callbacks.cc:(.text+0x1ae0): undefined reference to `CalculatorMessage::message() const' callbacks.o: In function `on_display_errors_timeout(void*)': callbacks.cc:(.text+0x1c18): undefined reference to `calculator' callbacks.cc:(.text+0x1c1c): undefined reference to `Calculator::checkSaveFunctionCalled()' callbacks.cc:(.text+0x1c20): undefined reference to `calculator' callbacks.o: In function `generate_units_tree_struct()': callbacks.cc:(.text+0x1f04): undefined reference to `calculator' callbacks.cc:(.text+0x1f4c): undefined reference to `calculator' callbacks.cc:(.text+0x1f68): undefined reference to `calculator' callbacks.cc:(.text+0x1fb4): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x2054): more undefined references to `calculator' follow callbacks.o: In function `on_tFunctions_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0x4a24): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x4b3c): undefined reference to `MathFunction::maxargs() const' callbacks.cc:(.text+0x4b90): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x4bac): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x4bb0): undefined reference to `calculator' callbacks.cc:(.text+0x4be4): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x4bfc): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x4ca0): undefined reference to `i2s(int)' callbacks.cc:(.text+0x4ce4): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x4d08): undefined reference to `MathFunction::maxargs() const' callbacks.cc:(.text+0x4f48): undefined reference to `MathFunction::condition() const' callbacks.cc:(.text+0x5008): undefined reference to `MathFunction::printCondition()' callbacks.cc:(.text+0x50e4): undefined reference to `calculator' callbacks.cc:(.text+0x5168): undefined reference to `calculator' callbacks.cc:(.text+0x51a8): undefined reference to `calculator' callbacks.cc:(.text+0x5218): undefined reference to `Argument::~Argument [in-charge]()' callbacks.cc:(.text+0x532c): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x5344): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x535c): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x5380): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x53b8): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x53d4): undefined reference to `DataProperty::isKey() const' callbacks.cc:(.text+0x54ac): undefined reference to `DataProperty::description() const' callbacks.cc:(.text+0x54cc): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x54e8): undefined reference to `DataProperty::description() const' callbacks.cc:(.text+0x5560): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x5674): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x568c): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x56dc): undefined reference to `i2s(int)' callbacks.cc:(.text+0x574c): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0x5784): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x58d8): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0x5910): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x5940): undefined reference to `DataSet::copyright() const' callbacks.cc:(.text+0x5974): undefined reference to `DataSet::copyright() const' callbacks.cc:(.text+0x5a60): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x5a64): undefined reference to `calculator' callbacks.cc:(.text+0x5ae0): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x5b38): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x5ca4): undefined reference to `Argument::~Argument [in-charge]()' callbacks.o: In function `setVariableTreeItem(_GtkTreeIter&, Variable*)': callbacks.cc:(.text+0x66ac): undefined reference to `calculator' callbacks.cc:(.text+0x66b4): undefined reference to `calculator' callbacks.cc:(.text+0x66bc): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x67cc): undefined reference to `MathStructure::isMatrix() const' callbacks.cc:(.text+0x6814): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x685c): undefined reference to `calculator' callbacks.cc:(.text+0x686c): undefined reference to `calculator' callbacks.cc:(.text+0x6880): undefined reference to `Calculator::printMathStructureTimeOut(MathStructure const&, int, PrintOptions const&)' callbacks.cc:(.text+0x68cc): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x68e0): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x68e8): undefined reference to `Assumptions::sign()' callbacks.cc:(.text+0x6958): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x6960): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x6974): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x697c): undefined reference to `Assumptions::numberType()' callbacks.o: In function `on_tVariableCategories_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0x6df0): undefined reference to `calculator' callbacks.cc:(.text+0x6e2c): undefined reference to `calculator' callbacks.cc:(.text+0x6e3c): undefined reference to `calculator' callbacks.cc:(.text+0x6e94): undefined reference to `calculator' callbacks.cc:(.text+0x6ea8): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x6f14): more undefined references to `calculator' follow callbacks.o: In function `on_tVariables_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0x7304): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x7330): undefined reference to `calculator' callbacks.cc:(.text+0x7398): undefined reference to `calculator' callbacks.cc:(.text+0x73d4): undefined reference to `calculator' callbacks.cc:(.text+0x7408): undefined reference to `calculator' callbacks.cc:(.text+0x7444): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x74b0): more undefined references to `calculator' follow callbacks.o: In function `setUnitTreeItem(_GtkTreeIter&, Unit*)': callbacks.cc:(.text+0x81e4): undefined reference to `i2s(int)' callbacks.o: In function `on_tUnitCategories_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0x8474): undefined reference to `calculator' callbacks.cc:(.text+0x84b0): undefined reference to `calculator' callbacks.cc:(.text+0x84bc): undefined reference to `calculator' callbacks.cc:(.text+0x8514): undefined reference to `calculator' callbacks.cc:(.text+0x8528): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x8594): more undefined references to `calculator' follow callbacks.o: In function `update_datasets_tree()': callbacks.cc:(.text+0x9004): undefined reference to `Calculator::getDataSet(unsigned)' callbacks.cc:(.text+0x90d4): undefined reference to `calculator' callbacks.o: In function `on_tDatasets_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0x91f8): undefined reference to `DataSet::getFirstObject(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x9228): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x923c): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x9250): undefined reference to `DataProperty::isKey() const' callbacks.cc:(.text+0x9268): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x92dc): undefined reference to `DataSet::getNextObject(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x950c): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x9538): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x9568): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x958c): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x95c4): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x95e0): undefined reference to `DataProperty::isKey() const' callbacks.cc:(.text+0x96a8): undefined reference to `DataProperty::description() const' callbacks.cc:(.text+0x96c8): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x978c): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x9888): undefined reference to `MathFunction::maxargs() const' callbacks.cc:(.text+0x98d8): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x98f4): undefined reference to `calculator' callbacks.cc:(.text+0x98f8): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x98fc): undefined reference to `calculator' callbacks.cc:(.text+0x9930): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x9948): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x99e8): undefined reference to `i2s(int)' callbacks.cc:(.text+0x9a2c): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x9a50): undefined reference to `MathFunction::maxargs() const' callbacks.cc:(.text+0x9b6c): undefined reference to `DataSet::copyright() const' callbacks.cc:(.text+0x9ba8): undefined reference to `DataSet::copyright() const' callbacks.cc:(.text+0x9c70): undefined reference to `Argument::~Argument [in-charge]()' callbacks.cc:(.text+0x9cd8): undefined reference to `calculator' callbacks.cc:(.text+0x9cdc): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x9ce0): undefined reference to `calculator' callbacks.cc:(.text+0x9d5c): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x9db4): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x9dd4): undefined reference to `DataProperty::description() const' callbacks.cc:(.text+0x9e4c): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x9ef4): undefined reference to `DataObject::getPropertyDisplayString(DataProperty*)' callbacks.cc:(.text+0xa120): undefined reference to `Argument::~Argument [in-charge]()' callbacks.o: In function `on_dataset_button_function_clicked(_GtkButton*, void*)': callbacks.cc:(.text+0xa1b8): undefined reference to `DataProperty::parentSet() const' callbacks.cc:(.text+0xa244): undefined reference to `DataSet::getPrimaryKeyProperty()' callbacks.cc:(.text+0xa254): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0xa268): undefined reference to `calculator' callbacks.cc:(.text+0xa26c): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0xa270): undefined reference to `calculator' callbacks.cc:(.text+0xa2a4): undefined reference to `DataProperty::getName(unsigned) const' callbacks.o: In function `on_tDataObjects_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0xa438): undefined reference to `DataObject::parentSet() const' callbacks.cc:(.text+0xa450): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0xa4d0): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0xa4f4): undefined reference to `DataObject::getPropertyDisplayString(DataProperty*)' callbacks.cc:(.text+0xa544): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0xa58c): undefined reference to `DataObject::isUserModified() const' callbacks.cc:(.text+0xa658): undefined reference to `DataProperty::title(bool) const' callbacks.o: In function `on_tDataProperties_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0xaa04): undefined reference to `DataProperty::isUserModified() const' callbacks.cc:(.text+0xaa30): undefined reference to `DataProperty::isUserModified() const' callbacks.o: In function `on_tFunctionArguments_selection_changed(_GtkTreeSelection*, void*)': callbacks.cc:(.text+0xaf44): undefined reference to `Argument::name() const' callbacks.o: In function `update_function_arguments_list(MathFunction*)': callbacks.cc:(.text+0xb27c): undefined reference to `MathFunction::maxargs() const' callbacks.cc:(.text+0xb2b8): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0xb334): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0xb364): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0xb3a4): undefined reference to `Argument::name() const' callbacks.cc:(.text+0xb480): undefined reference to `Argument::~Argument [in-charge]()' callbacks.cc:(.text+0xb4d8): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0xb554): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0xb604): undefined reference to `Argument::~Argument [in-charge]()' callbacks.o: In function `create_pmenu(_GtkWidget*)': callbacks.cc:(.text+0xd3a8): undefined reference to `calculator' callbacks.cc:(.text+0xd3d8): undefined reference to `Calculator::getPrefix(unsigned) const' callbacks.cc:(.text+0xd3dc): undefined reference to `calculator' callbacks.cc:(.text+0xd40c): undefined reference to `Prefix::name(bool, bool, bool (*)(char const*, void*), void*) const' callbacks.cc:(.text+0xd430): undefined reference to `Prefix::exponent(int) const' callbacks.cc:(.text+0xd4e8): undefined reference to `calculator' callbacks.cc:(.text+0xd4ec): undefined reference to `Calculator::getPrefix(unsigned) const' callbacks.o: In function `create_pmenu2()': callbacks.cc:(.text+0xd534): undefined reference to `calculator' callbacks.cc:(.text+0xd5b4): undefined reference to `calculator' callbacks.cc:(.text+0xd5f4): undefined reference to `Calculator::getPrefix(unsigned) const' callbacks.cc:(.text+0xd5f8): undefined reference to `calculator' callbacks.cc:(.text+0xd620): undefined reference to `Prefix::name(bool, bool, bool (*)(char const*, void*), void*) const' callbacks.cc:(.text+0xd644): undefined reference to `Prefix::exponent(int) const' callbacks.cc:(.text+0xd6fc): undefined reference to `calculator' callbacks.cc:(.text+0xd700): undefined reference to `Calculator::getPrefix(unsigned) const' callbacks.o: In function `update_completion()': callbacks.cc:(.text+0xe028): undefined reference to `calculator' callbacks.cc:(.text+0xe088): undefined reference to `calculator' callbacks.cc:(.text+0xe0cc): undefined reference to `calculator' callbacks.cc:(.text+0xe15c): undefined reference to `calculator' callbacks.cc:(.text+0xe1b0): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0xe1b8): more undefined references to `calculator' follow callbacks.o: In function `get_value_string(MathStructure const&, bool, Prefix*)': callbacks.cc:(.text+0xe638): undefined reference to `Calculator::printMathStructureTimeOut(MathStructure const&, int, PrintOptions const&)' callbacks.o: In function `draw_structure(MathStructure&, PrintOptions, InternalPrintStruct, int*)': callbacks.cc:(.text+0xe758): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0xe770): undefined reference to `MathStructure::precision() const' callbacks.cc:(.text+0xe790): undefined reference to `MathStructure::precision() const' callbacks.cc:(.text+0xe7a8): undefined reference to `MathStructure::precision() const' callbacks.cc:(.text+0xe7b4): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0xe86c): undefined reference to `MathStructure::number()' callbacks.cc:(.text+0xe884): undefined reference to `Number::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0xe9cc): undefined reference to `i2s(int)' callbacks.cc:(.text+0xee48): undefined reference to `MathStructure::isComparison() const' callbacks.cc:(.text+0xee70): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0xee84): undefined reference to `MathStructure::comparisonType() const' callbacks.cc:(.text+0xf154): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0xf41c): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0xf434): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0xf478): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0xf488): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0xf714): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0xf75c): undefined reference to `MathStructure::neededMultiplicationSign(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool, bool, bool) const' callbacks.cc:(.text+0xf7b8): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0xf7c0): undefined reference to `MathStructure::isNumber() const' callbacks.cc:(.text+0xfb1c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0xfb24): undefined reference to `MathStructure::isNumber() const' callbacks.cc:(.text+0xffe8): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x1000c): undefined reference to `MathStructure::MathStructure[in-charge](int, int, int)' callbacks.cc:(.text+0x100fc): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x10104): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x10118): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10154): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x10170): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x102a4): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x1069c): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x10a48): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10a84): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x10aa0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10b38): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10b78): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x10b94): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10c9c): undefined reference to `MathStructure::isDivision() const' callbacks.cc:(.text+0x10cb0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10cb8): undefined reference to `MathStructure::isMultiplication() const' callbacks.cc:(.text+0x10cd0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10cd8): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x10cec): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10cf4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10cfc): undefined reference to `MathStructure::isUnit_exp() const' callbacks.cc:(.text+0x10d38): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10d40): undefined reference to `MathStructure::isUnit_exp() const' callbacks.cc:(.text+0x10eac): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x10ec4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10ecc): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x10ee4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x10f24): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x10f34): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x110bc): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x110c4): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x1121c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11224): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11264): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x11274): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x1127c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x113bc): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x113c4): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x11724): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11764): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x11780): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11a7c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11abc): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x11ad8): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11be4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x11c20): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x11c40): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x12044): undefined reference to `MathStructure::unit() const' callbacks.cc:(.text+0x12050): undefined reference to `MathStructure::isPlural() const' callbacks.cc:(.text+0x1208c): undefined reference to `MathStructure::prefix() const' callbacks.cc:(.text+0x120e0): undefined reference to `gsub(char const*, char const*, std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x122c4): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x122f8): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x12534): undefined reference to `MathStructure::prefix() const' callbacks.cc:(.text+0x12584): undefined reference to `Prefix::name(bool, bool, bool (*)(char const*, void*), void*) const' callbacks.cc:(.text+0x12650): undefined reference to `MathStructure::symbol() const' callbacks.cc:(.text+0x12898): undefined reference to `PrintOptions::comma() const' callbacks.cc:(.text+0x1294c): undefined reference to `MathStructure::function() const' callbacks.cc:(.text+0x129c0): undefined reference to `gsub(char const*, char const*, std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x12a44): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x12a58): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x12a98): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x12aa8): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x12ee4): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x131dc): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x13210): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x134cc): undefined reference to `MathStructure::variable() const' callbacks.cc:(.text+0x134d4): undefined reference to `calculator' callbacks.cc:(.text+0x134d8): undefined reference to `calculator' callbacks.cc:(.text+0x13518): undefined reference to `MathStructure::variable() const' callbacks.cc:(.text+0x1358c): undefined reference to `gsub(char const*, char const*, std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x13594): undefined reference to `MathStructure::variable() const' callbacks.cc:(.text+0x1359c): undefined reference to `calculator' callbacks.cc:(.text+0x13628): undefined reference to `MathStructure::variable() const' callbacks.cc:(.text+0x13630): undefined reference to `calculator' callbacks.cc:(.text+0x137a0): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x137d4): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x13a68): undefined reference to `MathStructure::isMatrix() const' callbacks.cc:(.text+0x13b38): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13bd0): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13c60): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13cf0): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13dec): undefined reference to `PrintOptions::comma() const' callbacks.cc:(.text+0x13e64): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13e7c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x13e84): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x13e9c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x13ea4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x13ee0): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x13f04): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x13f0c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x144b0): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x144d4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x144dc): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x145d0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x145d8): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x14b50): undefined reference to `calculator' callbacks.cc:(.text+0x14b54): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x14b58): undefined reference to `calculator' callbacks.cc:(.text+0x14bc8): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x14be0): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x14bf4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x14c34): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x14c44): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x15024): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x15044): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x154d0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x15510): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x1552c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x15820): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x15838): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x15878): undefined reference to `MathStructure::needsParenthesis(PrintOptions const&, InternalPrintStruct const&, MathStructure const&, unsigned, bool, bool) const' callbacks.cc:(.text+0x15888): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x15b38): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x15b4c): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x15b60): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x15b74): undefined reference to `MathStructure::type() const' callbacks.cc:(.text+0x15c0c): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x15f04): undefined reference to `MathStructure::comparisonType() const' callbacks.cc:(.text+0x15fb8): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0x16730): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_abort_display(_GtkDialog*, int, void*)': callbacks.cc:(.text+0x170c8): undefined reference to `calculator' callbacks.cc:(.text+0x170e8): undefined reference to `Calculator::restoreState()' callbacks.cc:(.text+0x170ec): undefined reference to `calculator' callbacks.cc:(.text+0x170f0): undefined reference to `Calculator::clearBuffers()' callbacks.cc:(.text+0x170f4): undefined reference to `calculator' callbacks.o: In function `view_proc': callbacks.cc:(.text+0x1715c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x171c0): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x171e0): undefined reference to `MathStructure::format(PrintOptions const&)' callbacks.cc:(.text+0x17200): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x17244): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x17298): undefined reference to `MathStructure::format(PrintOptions const&)' callbacks.cc:(.text+0x172b8): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x17444): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x17718): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x17760): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `setResult(Prefix*, bool, bool, bool)': callbacks.cc:(.text+0x1798c): undefined reference to `calculator' callbacks.cc:(.text+0x17990): undefined reference to `calculator' callbacks.cc:(.text+0x17994): undefined reference to `Calculator::saveState()' callbacks.cc:(.text+0x17fd4): undefined reference to `MathStructure::isApproximate() const' callbacks.o: In function `on_abort_calculation(_GtkDialog*, int, void*)': callbacks.cc:(.text+0x18820): undefined reference to `calculator' callbacks.cc:(.text+0x18824): undefined reference to `calculator' callbacks.cc:(.text+0x1882c): undefined reference to `Calculator::abort()' callbacks.o: In function `execute_expression(bool)': callbacks.cc:(.text+0x18aa4): undefined reference to `calculator' callbacks.cc:(.text+0x18ab0): undefined reference to `calculator' callbacks.cc:(.text+0x18ab4): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x18ac0): undefined reference to `calculator' callbacks.cc:(.text+0x18ac8): undefined reference to `calculator' callbacks.cc:(.text+0x18af0): undefined reference to `Calculator::calculate(MathStructure*, std::basic_string, std::allocator >, int, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x18b4c): undefined reference to `calculator' callbacks.cc:(.text+0x18b50): undefined reference to `Calculator::busy()' callbacks.cc:(.text+0x18b54): undefined reference to `calculator' callbacks.cc:(.text+0x18b68): undefined reference to `calculator' callbacks.cc:(.text+0x18b80): undefined reference to `calculator' callbacks.cc:(.text+0x18b88): undefined reference to `Calculator::busy()' callbacks.cc:(.text+0x18b8c): undefined reference to `calculator' callbacks.cc:(.text+0x18ba8): undefined reference to `calculator' callbacks.cc:(.text+0x18bac): undefined reference to `Calculator::busy()' callbacks.cc:(.text+0x18bb0): undefined reference to `calculator' callbacks.cc:(.text+0x18c18): undefined reference to `calculator' callbacks.o: In function `recreate_recent_functions()': callbacks.cc:(.text+0x1935c): undefined reference to `calculator' callbacks.cc:(.text+0x19360): undefined reference to `Calculator::stillHasFunction(MathFunction*)' callbacks.cc:(.text+0x194ec): undefined reference to `calculator' callbacks.o: In function `recreate_recent_variables()': callbacks.cc:(.text+0x1955c): undefined reference to `calculator' callbacks.cc:(.text+0x19560): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x196ec): undefined reference to `calculator' callbacks.o: In function `recreate_recent_units()': callbacks.cc:(.text+0x1975c): undefined reference to `calculator' callbacks.cc:(.text+0x19760): undefined reference to `Calculator::stillHasUnit(Unit*)' callbacks.cc:(.text+0x198ec): undefined reference to `calculator' callbacks.o: In function `insert_function(MathFunction*, _GtkWidget*)': callbacks.cc:(.text+0x1a178): undefined reference to `MathFunction::args() const' callbacks.cc:(.text+0x1a610): undefined reference to `MathFunction::args() const' callbacks.cc:(.text+0x1a624): undefined reference to `MathFunction::args() const' callbacks.cc:(.text+0x1a92c): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1a954): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1a9a0): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x1a9b4): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x1a9bc): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x1a9e8): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1aa08): undefined reference to `calculator' callbacks.cc:(.text+0x1aa0c): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x1aa10): undefined reference to `calculator' callbacks.cc:(.text+0x1ac84): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1ad6c): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1ad90): undefined reference to `calculator' callbacks.cc:(.text+0x1ad94): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x1ad98): undefined reference to `calculator' callbacks.cc:(.text+0x1adc4): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1ae28): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x1ae8c): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1af20): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x1af38): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x1afe8): undefined reference to `i2s(int)' callbacks.cc:(.text+0x1b060): undefined reference to `MathFunction::getDefaultValue(unsigned) const' callbacks.cc:(.text+0x1b150): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x1b64c): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x1b7d8): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x1b7ec): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x1b7f4): undefined reference to `Number::intValue(bool*) const' callbacks.cc:(.text+0x1b80c): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x1b820): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x1b828): undefined reference to `Number::intValue(bool*) const' callbacks.cc:(.text+0x1b87c): undefined reference to `MathFunction::getDefaultValue(unsigned) const' callbacks.cc:(.text+0x1b8ac): undefined reference to `MathFunction::getDefaultValue(unsigned) const' callbacks.cc:(.text+0x1b8b4): undefined reference to `s2i(std::basic_string, std::allocator > const&)' callbacks.cc:(.text+0x1b8f0): undefined reference to `Argument::zeroForbidden() const' callbacks.cc:(.text+0x1bab0): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x1bac4): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x1baf4): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x1bb4c): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x1bb90): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x1bf34): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x1bf64): undefined reference to `MathFunction::minargs() const' callbacks.cc:(.text+0x1bf84): undefined reference to `MathFunction::minargs() const' callbacks.o: In function `insert_variable(_GtkMenuItem*, void*)': callbacks.cc:(.text+0x1c1e4): undefined reference to `calculator' callbacks.cc:(.text+0x1c1ec): undefined reference to `calculator' callbacks.cc:(.text+0x1c1f0): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.o: In function `insert_prefix(_GtkMenuItem*, void*)': callbacks.cc:(.text+0x1c2e4): undefined reference to `Prefix::name(bool, bool, bool (*)(char const*, void*), void*) const' callbacks.o: In function `set_edited_names(ExpressionItem*, std::basic_string, std::allocator >)': callbacks.cc:(.text+0x1c6a0): undefined reference to `ExpressionName::ExpressionName[in-charge]()' callbacks.cc:(.text+0x1c8d4): undefined reference to `ExpressionName::ExpressionName[in-charge](std::basic_string, std::allocator >)' callbacks.o: In function `edit_unit(char const*, Unit*, _GtkWidget*)': callbacks.cc:(.text+0x1cdd8): undefined reference to `Unit::system() const' callbacks.cc:(.text+0x1d0c8): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x1d1f4): undefined reference to `calculator' callbacks.cc:(.text+0x1d1fc): undefined reference to `calculator' callbacks.cc:(.text+0x1d204): undefined reference to `Calculator::unitNameTaken(std::basic_string, std::allocator >, Unit*)' callbacks.cc:(.text+0x1d34c): undefined reference to `calculator' callbacks.cc:(.text+0x1d354): undefined reference to `Calculator::getUnit(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1d358): undefined reference to `calculator' callbacks.cc:(.text+0x1d3c4): undefined reference to `calculator' callbacks.cc:(.text+0x1d3cc): undefined reference to `Calculator::getCompositeUnit(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1d3d0): undefined reference to `calculator' callbacks.cc:(.text+0x1d534): undefined reference to `calculator' callbacks.cc:(.text+0x1d540): undefined reference to `calculator' callbacks.cc:(.text+0x1d548): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1d5b8): undefined reference to `calculator' callbacks.cc:(.text+0x1d5c4): undefined reference to `calculator' callbacks.cc:(.text+0x1d5cc): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1d60c): undefined reference to `AliasUnit::AliasUnit[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, Unit*, std::basic_string, std::allocator >, int, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x1d838): undefined reference to `calculator' callbacks.cc:(.text+0x1d840): undefined reference to `calculator' callbacks.cc:(.text+0x1d848): undefined reference to `Calculator::addUnit(Unit*, bool, bool)' callbacks.cc:(.text+0x1d9c8): undefined reference to `Unit::setSystem(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1db98): undefined reference to `Unit::Unit[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x1dd7c): undefined reference to `CompositeUnit::CompositeUnit[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x1e0a4): undefined reference to `calculator' callbacks.cc:(.text+0x1e0ac): undefined reference to `Calculator::getUnit(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1e0b0): undefined reference to `calculator' callbacks.cc:(.text+0x1e138): undefined reference to `calculator' callbacks.cc:(.text+0x1e144): undefined reference to `calculator' callbacks.cc:(.text+0x1e148): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1e1e4): undefined reference to `calculator' callbacks.cc:(.text+0x1e1f0): undefined reference to `calculator' callbacks.cc:(.text+0x1e1f4): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1e358): undefined reference to `calculator' callbacks.cc:(.text+0x1e360): undefined reference to `Calculator::getCompositeUnit(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1e364): undefined reference to `calculator' callbacks.cc:(.text+0x1e62c): undefined reference to `calculator' callbacks.cc:(.text+0x1e638): undefined reference to `calculator' callbacks.cc:(.text+0x1e63c): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1e6e0): undefined reference to `calculator' callbacks.cc:(.text+0x1e6e4): undefined reference to `calculator' callbacks.cc:(.text+0x1e6f0): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.o: In function `edit_argument(Argument*)': callbacks.cc:(.text+0x1f22c): undefined reference to `calculator' callbacks.cc:(.text+0x1f2a0): undefined reference to `Argument::tests() const' callbacks.cc:(.text+0x1f2d0): undefined reference to `Argument::matrixAllowed() const' callbacks.cc:(.text+0x1f304): undefined reference to `Argument::getCustomCondition() const' callbacks.cc:(.text+0x1f310): undefined reference to `calculator' callbacks.cc:(.text+0x1f31c): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1f3b4): undefined reference to `Argument::getCustomCondition() const' callbacks.cc:(.text+0x1f424): undefined reference to `Argument::getCustomCondition() const' callbacks.cc:(.text+0x1f4a0): undefined reference to `Argument::zeroForbidden() const' callbacks.cc:(.text+0x1f620): undefined reference to `Argument::setTests(bool)' callbacks.cc:(.text+0x1f650): undefined reference to `Argument::setMatrixAllowed(bool)' callbacks.cc:(.text+0x1f684): undefined reference to `Argument::setZeroForbidden(bool)' callbacks.cc:(.text+0x1f6f4): undefined reference to `Argument::setCustomCondition(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1f79c): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x1f7c4): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0x1f8e8): undefined reference to `Number::Number[in-charge](int, int, int)' callbacks.cc:(.text+0x1f8f4): undefined reference to `IntegerArgument::setMin(Number const*)' callbacks.cc:(.text+0x1f8fc): undefined reference to `Number::~Number [in-charge]()' callbacks.cc:(.text+0x1f978): undefined reference to `Number::Number[in-charge](int, int, int)' callbacks.cc:(.text+0x1f984): undefined reference to `IntegerArgument::setMax(Number const*)' callbacks.cc:(.text+0x1f98c): undefined reference to `Number::~Number [in-charge]()' callbacks.cc:(.text+0x1f99c): undefined reference to `IntegerArgument::setMax(Number const*)' callbacks.cc:(.text+0x1f9ac): undefined reference to `IntegerArgument::setMin(Number const*)' callbacks.cc:(.text+0x1f9f4): undefined reference to `NumberArgument::setIncludeEqualsMin(bool)' callbacks.cc:(.text+0x1fa28): undefined reference to `NumberArgument::setIncludeEqualsMax(bool)' callbacks.cc:(.text+0x1fa98): undefined reference to `calculator' callbacks.cc:(.text+0x1faa4): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1fab4): undefined reference to `calculator' callbacks.cc:(.text+0x1fad0): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x1fb1c): undefined reference to `MathStructure::number()' callbacks.cc:(.text+0x1fb28): undefined reference to `NumberArgument::setMin(Number const*)' callbacks.cc:(.text+0x1fb30): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x1fbac): undefined reference to `calculator' callbacks.cc:(.text+0x1fbb8): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x1fbc8): undefined reference to `calculator' callbacks.cc:(.text+0x1fbe4): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x1fc30): undefined reference to `MathStructure::number()' callbacks.cc:(.text+0x1fc3c): undefined reference to `NumberArgument::setMax(Number const*)' callbacks.cc:(.text+0x1fc44): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x1fc74): undefined reference to `NumberArgument::setMax(Number const*)' callbacks.cc:(.text+0x1fca4): undefined reference to `NumberArgument::setMin(Number const*)' callbacks.cc:(.text+0x1fcd8): undefined reference to `Argument::setCustomCondition(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x1fd70): undefined reference to `NumberArgument::min() const' callbacks.cc:(.text+0x1fda8): undefined reference to `NumberArgument::includeEqualsMin() const' callbacks.cc:(.text+0x1fdd8): undefined reference to `NumberArgument::min() const' callbacks.cc:(.text+0x1fe40): undefined reference to `NumberArgument::min() const' callbacks.cc:(.text+0x1fe94): undefined reference to `NumberArgument::min() const' callbacks.cc:(.text+0x1feac): undefined reference to `Number::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x1ff78): undefined reference to `NumberArgument::max() const' callbacks.cc:(.text+0x1ffb0): undefined reference to `NumberArgument::includeEqualsMax() const' callbacks.cc:(.text+0x1ffdc): undefined reference to `NumberArgument::max() const' callbacks.cc:(.text+0x20040): undefined reference to `NumberArgument::max() const' callbacks.cc:(.text+0x20090): undefined reference to `NumberArgument::max() const' callbacks.cc:(.text+0x200a8): undefined reference to `Number::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x20230): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x20284): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x202ec): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x20300): undefined reference to `IntegerArgument::min() const' callbacks.cc:(.text+0x20308): undefined reference to `Number::intValue(bool*) const' callbacks.cc:(.text+0x20394): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x203e4): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x20448): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x2045c): undefined reference to `IntegerArgument::max() const' callbacks.cc:(.text+0x20464): undefined reference to `Number::intValue(bool*) const' callbacks.cc:(.text+0x20544): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x2075c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x2076c): undefined reference to `Number::~Number [in-charge]()' callbacks.o: In function `edit_function(char const*, MathFunction*, _GtkWidget*)': callbacks.cc:(.text+0x20de4): undefined reference to `MathFunction::condition() const' callbacks.cc:(.text+0x20df0): undefined reference to `calculator' callbacks.cc:(.text+0x20dfc): undefined reference to `calculator' callbacks.cc:(.text+0x20e00): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x2108c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x21180): undefined reference to `calculator' callbacks.cc:(.text+0x2118c): undefined reference to `calculator' callbacks.cc:(.text+0x21194): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x211c0): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x211d8): undefined reference to `gsub(char const*, char const*, std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x212b4): undefined reference to `calculator' callbacks.cc:(.text+0x212bc): undefined reference to `calculator' callbacks.cc:(.text+0x212c4): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x21518): undefined reference to `calculator' callbacks.cc:(.text+0x21524): undefined reference to `calculator' callbacks.cc:(.text+0x2152c): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x2153c): undefined reference to `MathFunction::setCondition(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x21704): undefined reference to `UserFunction::addSubfunction(std::basic_string, std::allocator >, bool)' callbacks.cc:(.text+0x217f4): undefined reference to `calculator' callbacks.cc:(.text+0x217fc): undefined reference to `calculator' callbacks.cc:(.text+0x21804): undefined reference to `Calculator::addFunction(MathFunction*, bool, bool)' callbacks.cc:(.text+0x21988): undefined reference to `UserFunction::clearSubfunctions()' callbacks.cc:(.text+0x21998): undefined reference to `MathFunction::setArgumentDefinition(unsigned, Argument*)' callbacks.cc:(.text+0x219a8): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x219c0): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x219d4): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x219e4): undefined reference to `Argument::setName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x21a78): undefined reference to `UserFunction::setEquation(std::basic_string, std::allocator >, int, int)' callbacks.cc:(.text+0x21aa0): undefined reference to `MathFunction::clearArgumentDefinitions()' callbacks.cc:(.text+0x21bec): undefined reference to `UserFunction::UserFunction[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool, int, std::basic_string, std::allocator >, std::basic_string, std::allocator >, int, bool)' callbacks.cc:(.text+0x21d98): undefined reference to `UserFunction::countSubfunctions() const' callbacks.cc:(.text+0x21dc0): undefined reference to `UserFunction::subfunctionPrecalculated(unsigned) const' callbacks.cc:(.text+0x21e30): undefined reference to `i2s(unsigned)' callbacks.cc:(.text+0x21e84): undefined reference to `UserFunction::getSubfunction(unsigned) const' callbacks.cc:(.text+0x21ebc): undefined reference to `UserFunction::subfunctionPrecalculated(unsigned) const' callbacks.cc:(.text+0x21fe4): undefined reference to `UserFunction::equation() const' callbacks.cc:(.text+0x21ff4): undefined reference to `calculator' callbacks.cc:(.text+0x22000): undefined reference to `calculator' callbacks.cc:(.text+0x22004): undefined reference to `Calculator::localizeExpression(std::basic_string, std::allocator >) const' callbacks.o: In function `convert_to_unit(_GtkMenuItem*, void*)': callbacks.cc:(.text+0x225b4): undefined reference to `calculator' callbacks.cc:(.text+0x225b8): undefined reference to `calculator' callbacks.cc:(.text+0x225d8): undefined reference to `Calculator::convert(MathStructure const&, Unit*, EvaluationOptions const&, bool)' callbacks.cc:(.text+0x225ec): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x22680): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x22690): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `edit_unknown(char const*, Variable*, _GtkWidget*)': callbacks.cc:(.text+0x22944): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x229b4): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x229bc): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x229f4): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x229fc): undefined reference to `Assumptions::sign()' callbacks.cc:(.text+0x22b88): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x22ca8): undefined reference to `calculator' callbacks.cc:(.text+0x22cb4): undefined reference to `calculator' callbacks.cc:(.text+0x22cbc): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x22d8c): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x22dac): undefined reference to `Assumptions::Assumptions[in-charge]()' callbacks.cc:(.text+0x22dbc): undefined reference to `UnknownVariable::setAssumptions(Assumptions*)' callbacks.cc:(.text+0x22dc4): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x22e04): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.cc:(.text+0x22e0c): undefined reference to `UnknownVariable::assumptions()' callbacks.cc:(.text+0x22e3c): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.cc:(.text+0x22f6c): undefined reference to `calculator' callbacks.cc:(.text+0x22f74): undefined reference to `calculator' callbacks.cc:(.text+0x22f7c): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' callbacks.cc:(.text+0x230d8): undefined reference to `UnknownVariable::setAssumptions(Assumptions*)' callbacks.cc:(.text+0x23150): undefined reference to `UnknownVariable::UnknownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x23204): undefined reference to `calculator' callbacks.cc:(.text+0x2320c): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x23210): undefined reference to `calculator' callbacks.cc:(.text+0x232cc): undefined reference to `calculator' callbacks.cc:(.text+0x23324): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x23328): undefined reference to `calculator' callbacks.cc:(.text+0x2332c): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x23364): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x23368): undefined reference to `calculator' callbacks.cc:(.text+0x2336c): undefined reference to `Assumptions::sign()' callbacks.cc:(.text+0x23448): undefined reference to `calculator' callbacks.cc:(.text+0x23450): undefined reference to `calculator' callbacks.cc:(.text+0x23468): undefined reference to `Calculator::getName(std::basic_string, std::allocator >, ExpressionItem*, bool, bool)' callbacks.cc:(.text+0x23564): undefined reference to `calculator' callbacks.cc:(.text+0x2356c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x23574): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x2359c): undefined reference to `calculator' callbacks.cc:(.text+0x235a4): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x235ac): undefined reference to `Assumptions::sign()' callbacks.o: In function `edit_variable(char const*, Variable*, MathStructure*, _GtkWidget*)': callbacks.cc:(.text+0x238e4): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x23904): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x23934): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x23db4): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0x23f78): undefined reference to `calculator' callbacks.cc:(.text+0x23f84): undefined reference to `calculator' callbacks.cc:(.text+0x23f88): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x23fb4): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x23fbc): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2412c): undefined reference to `calculator' callbacks.cc:(.text+0x24134): undefined reference to `calculator' callbacks.cc:(.text+0x2413c): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x2435c): undefined reference to `calculator' callbacks.cc:(.text+0x24364): undefined reference to `calculator' callbacks.cc:(.text+0x2436c): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' callbacks.cc:(.text+0x245c4): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x246e0): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x24804): undefined reference to `calculator' callbacks.cc:(.text+0x2480c): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x24810): undefined reference to `calculator' callbacks.cc:(.text+0x24990): undefined reference to `calculator' callbacks.cc:(.text+0x24998): undefined reference to `calculator' callbacks.cc:(.text+0x249ac): undefined reference to `Calculator::getName(std::basic_string, std::allocator >, ExpressionItem*, bool, bool)' callbacks.o: In function `edit_matrix(char const*, Variable*, MathStructure*, _GtkWidget*, int)': callbacks.cc:(.text+0x25004): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x25024): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x250bc): undefined reference to `MathStructure::isMatrix() const' callbacks.cc:(.text+0x25490): undefined reference to `MathStructure::countChilds() const' callbacks.cc:(.text+0x25644): undefined reference to `MathStructure::countChilds() const' callbacks.cc:(.text+0x256e4): undefined reference to `MathStructure::getChild(unsigned) const' callbacks.cc:(.text+0x25700): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x2579c): undefined reference to `MathStructure::getElement(unsigned, unsigned) const' callbacks.cc:(.text+0x257b8): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x2581c): undefined reference to `MathStructure::getElement(unsigned, unsigned) const' callbacks.cc:(.text+0x25838): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x25a60): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x25b88): undefined reference to `calculator' callbacks.cc:(.text+0x25b90): undefined reference to `calculator' callbacks.cc:(.text+0x25b98): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x25be8): undefined reference to `MathStructure::MathStructure[in-charge]()' callbacks.cc:(.text+0x25d8c): undefined reference to `calculator' callbacks.cc:(.text+0x25d94): undefined reference to `calculator' callbacks.cc:(.text+0x25d9c): undefined reference to `Calculator::addVariable(Variable*, bool, bool)' callbacks.cc:(.text+0x25e0c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x25f8c): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x260a0): undefined reference to `KnownVariable::KnownVariable[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, MathStructure const&, std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x2610c): undefined reference to `MathStructure::clearVector(bool)' callbacks.cc:(.text+0x261c8): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x261f8): undefined reference to `calculator' callbacks.cc:(.text+0x26200): undefined reference to `calculator' callbacks.cc:(.text+0x2620c): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x26218): undefined reference to `calculator' callbacks.cc:(.text+0x26238): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x26248): undefined reference to `MathStructure::addChild(MathStructure const&)' callbacks.cc:(.text+0x26250): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x262f0): undefined reference to `MathStructure::clearMatrix(bool)' callbacks.cc:(.text+0x26300): undefined reference to `m_undefined' callbacks.cc:(.text+0x26308): undefined reference to `m_undefined' callbacks.cc:(.text+0x26330): undefined reference to `MathStructure::resizeMatrix(unsigned, unsigned, MathStructure const&)' callbacks.cc:(.text+0x263c8): undefined reference to `calculator' callbacks.cc:(.text+0x263d0): undefined reference to `calculator' callbacks.cc:(.text+0x263dc): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x263e8): undefined reference to `calculator' callbacks.cc:(.text+0x26408): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x26424): undefined reference to `MathStructure::setElement(MathStructure const&, unsigned, unsigned)' callbacks.cc:(.text+0x2642c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x264ac): undefined reference to `calculator' callbacks.cc:(.text+0x264b4): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x264b8): undefined reference to `calculator' callbacks.cc:(.text+0x26574): undefined reference to `MathStructure::columns() const' callbacks.cc:(.text+0x26580): undefined reference to `MathStructure::rows() const' callbacks.cc:(.text+0x2659c): undefined reference to `MathStructure::columns() const' callbacks.cc:(.text+0x265b8): undefined reference to `MathStructure::rows() const' callbacks.cc:(.text+0x26670): undefined reference to `calculator' callbacks.cc:(.text+0x26678): undefined reference to `calculator' callbacks.cc:(.text+0x26690): undefined reference to `Calculator::getName(std::basic_string, std::allocator >, ExpressionItem*, bool, bool)' callbacks.cc:(.text+0x26a7c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x26ae4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x26b40): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `edit_dataobject(DataSet*, DataObject*, _GtkWidget*)': callbacks.cc:(.text+0x26edc): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x26f94): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x27070): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x270dc): undefined reference to `DataProperty::getUnitString() const' callbacks.cc:(.text+0x2728c): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x273f0): undefined reference to `DataObject::DataObject[in-charge](DataSet*)' callbacks.cc:(.text+0x27400): undefined reference to `DataSet::addObject(DataObject*)' callbacks.cc:(.text+0x2740c): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x27478): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x274a0): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x274bc): undefined reference to `DataObject::setUserModified(bool)' callbacks.cc:(.text+0x27504): undefined reference to `DataObject::eraseProperty(DataProperty*)' callbacks.cc:(.text+0x27550): undefined reference to `DataObject::setProperty(DataProperty*, std::basic_string, std::allocator >, int)' callbacks.o: In function `update_dataset_property_list(DataSet*)': callbacks.cc:(.text+0x2784c): undefined reference to `DataProperty::propertyType() const' callbacks.cc:(.text+0x27874): undefined reference to `DataProperty::isKey() const' callbacks.cc:(.text+0x278f4): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x2791c): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x279dc): undefined reference to `DataProperty::isApproximate() const' callbacks.cc:(.text+0x27a60): undefined reference to `DataProperty::isApproximate() const' callbacks.o: In function `edit_dataproperty(DataProperty*)': callbacks.cc:(.text+0x27bd4): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x27c1c): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x27c58): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x27c90): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x27d0c): undefined reference to `DataProperty::title(bool) const' callbacks.cc:(.text+0x27d68): undefined reference to `DataProperty::getUnitString() const' callbacks.cc:(.text+0x27dcc): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x27e00): undefined reference to `DataProperty::isKey() const' callbacks.cc:(.text+0x27e34): undefined reference to `DataProperty::isApproximate() const' callbacks.cc:(.text+0x27e68): undefined reference to `DataProperty::isCaseSensitive() const' callbacks.cc:(.text+0x27e9c): undefined reference to `DataProperty::usesBrackets() const' callbacks.cc:(.text+0x27ee4): undefined reference to `DataProperty::description() const' callbacks.cc:(.text+0x27f10): undefined reference to `DataProperty::propertyType() const' callbacks.cc:(.text+0x27f9c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x28080): undefined reference to `DataProperty::setTitle(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x280e8): undefined reference to `DataProperty::setUnit(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x28148): undefined reference to `DataProperty::setHidden(bool)' callbacks.cc:(.text+0x2817c): undefined reference to `DataProperty::setKey(bool)' callbacks.cc:(.text+0x281b0): undefined reference to `DataProperty::setApproximate(bool)' callbacks.cc:(.text+0x281e4): undefined reference to `DataProperty::setCaseSensitive(bool)' callbacks.cc:(.text+0x28218): undefined reference to `DataProperty::setUsesBrackets(bool)' callbacks.cc:(.text+0x28268): undefined reference to `DataProperty::setDescription(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x282e8): undefined reference to `DataProperty::clearNames()' callbacks.cc:(.text+0x28374): undefined reference to `DataProperty::addName(std::basic_string, std::allocator >, bool, unsigned)' callbacks.cc:(.text+0x28424): undefined reference to `DataProperty::addName(std::basic_string, std::allocator >, bool, unsigned)' callbacks.cc:(.text+0x28470): undefined reference to `DataProperty::setName(std::basic_string, std::allocator >, bool)' callbacks.cc:(.text+0x28484): undefined reference to `DataProperty::setPropertyType(PropertyType)' callbacks.o: In function `edit_dataset(DataSet*, _GtkWidget*)': callbacks.cc:(.text+0x28b00): undefined reference to `DataSet::defaultDataFile() const' callbacks.cc:(.text+0x28b3c): undefined reference to `DataSet::defaultProperty() const' callbacks.cc:(.text+0x28b80): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x28b98): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x28bf8): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x28c10): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x28cb0): undefined reference to `DataSet::copyright() const' callbacks.cc:(.text+0x28ce4): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x28d64): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x28ec4): undefined reference to `calculator' callbacks.cc:(.text+0x28ecc): undefined reference to `calculator' callbacks.cc:(.text+0x28ed8): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x28ff4): undefined reference to `DataSet::setDefaultDataFile(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x290dc): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2912c): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x29154): undefined reference to `Argument::setName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x291c0): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x29210): undefined reference to `MathFunction::getArgumentDefinition(unsigned)' callbacks.cc:(.text+0x29238): undefined reference to `Argument::setName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x292a4): undefined reference to `DataSet::setDefaultProperty(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x292f8): undefined reference to `DataSet::setCopyright(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x2937c): undefined reference to `DataSet::delProperty(DataProperty*)' callbacks.cc:(.text+0x2938c): undefined reference to `DataProperty::isUserModified() const' callbacks.cc:(.text+0x293b4): undefined reference to `DataProperty::set(DataProperty const&)' callbacks.cc:(.text+0x293c8): undefined reference to `DataSet::addProperty(DataProperty*)' callbacks.cc:(.text+0x29640): undefined reference to `calculator' callbacks.cc:(.text+0x29648): undefined reference to `calculator' callbacks.cc:(.text+0x29650): undefined reference to `Calculator::addDataSet(DataSet*, bool, bool)' callbacks.cc:(.text+0x29660): undefined reference to `DataSet::loadObjects(char const*, bool)' callbacks.cc:(.text+0x2966c): undefined reference to `DataSet::setObjectsLoaded(bool)' callbacks.cc:(.text+0x297f8): undefined reference to `DataSet::DataSet[in-charge](std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >, bool)' callbacks.cc:(.text+0x29958): undefined reference to `DataProperty::DataProperty[in-charge](DataProperty const&)' callbacks.cc:(.text+0x299cc): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.o: In function `import_csv_file(_GtkWidget*)': callbacks.cc:(.text+0x29fc8): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2a294): undefined reference to `calculator' callbacks.cc:(.text+0x2a29c): undefined reference to `calculator' callbacks.cc:(.text+0x2a2b4): undefined reference to `Calculator::importCSV(char const*, int, bool, std::basic_string, std::allocator >, bool, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >)' callbacks.o: In function `export_csv_file(KnownVariable*, _GtkWidget*)': callbacks.cc:(.text+0x2a8c0): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2aa40): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2aa7c): undefined reference to `calculator' callbacks.cc:(.text+0x2aa84): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x2aa88): undefined reference to `calculator' callbacks.cc:(.text+0x2aae4): undefined reference to `calculator' callbacks.cc:(.text+0x2aae8): undefined reference to `Calculator::getVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x2ab44): undefined reference to `calculator' callbacks.cc:(.text+0x2ab48): undefined reference to `Calculator::getVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x2ac88): undefined reference to `calculator' callbacks.cc:(.text+0x2ac90): undefined reference to `calculator' callbacks.cc:(.text+0x2ac98): undefined reference to `Calculator::exportCSV(MathStructure const&, char const*, std::basic_string, std::allocator >)' callbacks.o: In function `edit_names(ExpressionItem*, char const*, _GtkWidget*, bool, DataProperty*)': callbacks.cc:(.text+0x2b368): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x2b3c4): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b488): undefined reference to `ExpressionName::ExpressionName[in-charge](std::basic_string, std::allocator >)' callbacks.cc:(.text+0x2b4d0): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b4e4): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b4f8): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b5f8): undefined reference to `DataProperty::countNames() const' callbacks.cc:(.text+0x2b61c): undefined reference to `DataProperty::getName(unsigned) const' callbacks.cc:(.text+0x2b640): undefined reference to `DataProperty::nameIsReference(unsigned) const' callbacks.cc:(.text+0x2b64c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b65c): undefined reference to `DataProperty::nameIsReference(unsigned) const' callbacks.cc:(.text+0x2b7a4): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b7b4): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x2b7c4): undefined reference to `b2yn(bool, bool)' callbacks.o: In function `insertButtonFunction(MathFunction*)': callbacks.cc:(.text+0x2bc9c): undefined reference to `text_length_is_one(std::basic_string, std::allocator > const&)' callbacks.o: In function `convert_in_wUnits(int)': callbacks.cc:(.text+0x2c504): undefined reference to `calculator' callbacks.cc:(.text+0x2c50c): undefined reference to `calculator' callbacks.cc:(.text+0x2c524): undefined reference to `Calculator::convert(std::basic_string, std::allocator >, Unit*, Unit*, EvaluationOptions const&)' callbacks.cc:(.text+0x2c590): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x2c5f4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x2c704): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0x2c818): undefined reference to `calculator' callbacks.cc:(.text+0x2c820): undefined reference to `calculator' callbacks.cc:(.text+0x2c838): undefined reference to `Calculator::convert(std::basic_string, std::allocator >, Unit*, Unit*, EvaluationOptions const&)' callbacks.cc:(.text+0x2c89c): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x2c900): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x2c964): undefined reference to `MathStructure::isApproximate() const' callbacks.cc:(.text+0x2ca88): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `save_defs()': callbacks.cc:(.text+0x2cb44): undefined reference to `calculator' callbacks.cc:(.text+0x2cb48): undefined reference to `Calculator::saveDefinitions()' callbacks.cc:(.text+0x2cb4c): undefined reference to `calculator' callbacks.o: In function `set_saved_mode()': callbacks.cc:(.text+0x2cc24): undefined reference to `calculator' callbacks.cc:(.text+0x2cc28): undefined reference to `Calculator::getPrecision() const' callbacks.cc:(.text+0x2cc2c): undefined reference to `calculator' callbacks.cc:(.text+0x2cc68): undefined reference to `calculator' callbacks.cc:(.text+0x2cce0): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2cce8): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x2ccf0): undefined reference to `calculator' callbacks.cc:(.text+0x2ccfc): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2cd04): undefined reference to `Assumptions::sign()' callbacks.o: In function `load_preferences()': callbacks.cc:(.text+0x2d110): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2d1b0): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2d24c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2d254): undefined reference to `s2i(std::basic_string, std::allocator > const&)' callbacks.cc:(.text+0x2d294): undefined reference to `parse_qalculate_version(std::basic_string, std::allocator >, int*)' callbacks.cc:(.text+0x2d448): undefined reference to `calculator' callbacks.cc:(.text+0x2d450): undefined reference to `Calculator::setPrecision(int)' callbacks.cc:(.text+0x2d454): undefined reference to `calculator' callbacks.cc:(.text+0x2de40): undefined reference to `calculator' callbacks.cc:(.text+0x2de44): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2de48): undefined reference to `calculator' callbacks.cc:(.text+0x2de4c): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.cc:(.text+0x2de80): undefined reference to `calculator' callbacks.cc:(.text+0x2de84): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2de88): undefined reference to `calculator' callbacks.cc:(.text+0x2de8c): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.cc:(.text+0x2dfcc): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2e0d8): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2e294): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2e3a0): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x2e55c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.o:callbacks.cc:(.text+0x2e668): more undefined references to `remove_blank_ends(std::basic_string, std::allocator >&)' follow callbacks.o: In function `save_preferences(bool)': callbacks.cc:(.text+0x2f328): undefined reference to `calculator' callbacks.cc:(.text+0x2f604): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2f608): undefined reference to `calculator' callbacks.cc:(.text+0x2f60c): undefined reference to `Assumptions::numberType()' callbacks.cc:(.text+0x2f628): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x2f62c): undefined reference to `calculator' callbacks.cc:(.text+0x2f630): undefined reference to `Assumptions::sign()' callbacks.o: In function `set_current_object': callbacks.cc:(.text+0x2fbd0): undefined reference to `calculator' callbacks.cc:(.text+0x2fbe4): undefined reference to `calculator' callbacks.cc:(.text+0x2fbe8): undefined reference to `Calculator::utf8_pos_is_valid_in_name(char*)' callbacks.cc:(.text+0x2fc00): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x2fca0): undefined reference to `calculator' callbacks.cc:(.text+0x2fca8): undefined reference to `calculator' callbacks.cc:(.text+0x2fcac): undefined reference to `Calculator::utf8_pos_is_valid_in_name(char*)' callbacks.cc:(.text+0x2fce0): undefined reference to `calculator' callbacks.o: In function `update_resultview_popup': callbacks.cc:(.text+0x30c78): undefined reference to `MathStructure::containsType(int, bool, bool, bool) const' callbacks.cc:(.text+0x30eb8): undefined reference to `MathStructure::containsUnknowns() const' callbacks.cc:(.text+0x30f00): undefined reference to `MathStructure::containsType(int, bool, bool, bool) const' callbacks.cc:(.text+0x30f3c): undefined reference to `MathStructure::containsDivision() const' callbacks.o: In function `on_gcalc_exit': callbacks.cc:(.text+0x31e2c): undefined reference to `calculator' callbacks.cc:(.text+0x31e30): undefined reference to `Calculator::terminateThreads()' callbacks.cc:(.text+0x31e34): undefined reference to `calculator' callbacks.o: In function `on_button_tan_clicked': callbacks.cc:(.text+0x32138): undefined reference to `calculator' callbacks.cc:(.text+0x3213c): undefined reference to `calculator' callbacks.cc:(.text+0x3217c): undefined reference to `calculator' callbacks.cc:(.text+0x32180): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x321b8): more undefined references to `calculator' follow callbacks.o: In function `on_button_dot_clicked': callbacks.cc:(.text+0x32668): undefined reference to `Calculator::getDecimalPoint() const' callbacks.cc:(.text+0x3266c): undefined reference to `calculator' callbacks.o: In function `on_button_sqrt_clicked': callbacks.cc:(.text+0x329e0): undefined reference to `calculator' callbacks.cc:(.text+0x329e4): undefined reference to `calculator' callbacks.o: In function `on_button_ln_clicked': callbacks.cc:(.text+0x32a20): undefined reference to `calculator' callbacks.cc:(.text+0x32a24): undefined reference to `calculator' callbacks.o:callbacks.cc:(.text+0x32c08): more undefined references to `calculator' follow callbacks.o: In function `on_menu_item_convert_to_best_unit_activate': callbacks.cc:(.text+0x32c24): undefined reference to `Calculator::convertToBestUnit(MathStructure const&, EvaluationOptions const&)' callbacks.cc:(.text+0x32c38): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x32c48): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x32c58): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_menu_item_convert_to_base_units_activate': callbacks.cc:(.text+0x32c88): undefined reference to `calculator' callbacks.cc:(.text+0x32c8c): undefined reference to `calculator' callbacks.cc:(.text+0x32ca4): undefined reference to `Calculator::convertToBaseUnits(MathStructure const&, EvaluationOptions const&)' callbacks.cc:(.text+0x32cb8): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x32cc8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x32cd8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_menu_item_assumptions_integer_activate': callbacks.cc:(.text+0x32d28): undefined reference to `calculator' callbacks.cc:(.text+0x32d2c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32d30): undefined reference to `calculator' callbacks.cc:(.text+0x32d34): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_rational_activate': callbacks.cc:(.text+0x32d88): undefined reference to `calculator' callbacks.cc:(.text+0x32d8c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32d90): undefined reference to `calculator' callbacks.cc:(.text+0x32d94): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_real_activate': callbacks.cc:(.text+0x32de8): undefined reference to `calculator' callbacks.cc:(.text+0x32dec): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32df0): undefined reference to `calculator' callbacks.cc:(.text+0x32df4): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_complex_activate': callbacks.cc:(.text+0x32e48): undefined reference to `calculator' callbacks.cc:(.text+0x32e4c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32e50): undefined reference to `calculator' callbacks.cc:(.text+0x32e54): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_number_activate': callbacks.cc:(.text+0x32ea8): undefined reference to `calculator' callbacks.cc:(.text+0x32eac): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32eb0): undefined reference to `calculator' callbacks.cc:(.text+0x32eb4): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_none_activate': callbacks.cc:(.text+0x32f08): undefined reference to `calculator' callbacks.cc:(.text+0x32f0c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32f10): undefined reference to `calculator' callbacks.cc:(.text+0x32f14): undefined reference to `Assumptions::setNumberType(AssumptionNumberType)' callbacks.o: In function `on_menu_item_assumptions_nonzero_activate': callbacks.cc:(.text+0x32f68): undefined reference to `calculator' callbacks.cc:(.text+0x32f6c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32f70): undefined reference to `calculator' callbacks.cc:(.text+0x32f74): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `on_menu_item_assumptions_positive_activate': callbacks.cc:(.text+0x32fc8): undefined reference to `calculator' callbacks.cc:(.text+0x32fcc): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x32fd0): undefined reference to `calculator' callbacks.cc:(.text+0x32fd4): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `on_menu_item_assumptions_nonnegative_activate': callbacks.cc:(.text+0x33028): undefined reference to `calculator' callbacks.cc:(.text+0x3302c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x33030): undefined reference to `calculator' callbacks.cc:(.text+0x33034): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `on_menu_item_assumptions_negative_activate': callbacks.cc:(.text+0x33088): undefined reference to `calculator' callbacks.cc:(.text+0x3308c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x33090): undefined reference to `calculator' callbacks.cc:(.text+0x33094): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `on_menu_item_assumptions_nonpositive_activate': callbacks.cc:(.text+0x330e8): undefined reference to `calculator' callbacks.cc:(.text+0x330ec): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x330f0): undefined reference to `calculator' callbacks.cc:(.text+0x330f4): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `on_menu_item_assumptions_unknown_activate': callbacks.cc:(.text+0x33148): undefined reference to `calculator' callbacks.cc:(.text+0x3314c): undefined reference to `Calculator::defaultAssumptions()' callbacks.cc:(.text+0x33150): undefined reference to `calculator' callbacks.cc:(.text+0x33154): undefined reference to `Assumptions::setSign(AssumptionSign)' callbacks.o: In function `fetch_exchange_rates': callbacks.cc:(.text+0x3375c): undefined reference to `calculator' callbacks.cc:(.text+0x33774): undefined reference to `Calculator::fetchExchangeRates(int)' callbacks.cc:(.text+0x33778): undefined reference to `calculator' callbacks.o: In function `on_menu_item_fetch_exchange_rates_activate': callbacks.cc:(.text+0x337ac): undefined reference to `calculator' callbacks.cc:(.text+0x337b0): undefined reference to `calculator' callbacks.cc:(.text+0x337b4): undefined reference to `Calculator::loadExchangeRates()' callbacks.o: In function `on_menu_item_factorize_activate': callbacks.cc:(.text+0x346d0): undefined reference to `MathStructure::factorize(EvaluationOptions const&)' callbacks.o: In function `on_plot_dialog_hide': callbacks.cc:(.text+0x35358): undefined reference to `calculator' callbacks.cc:(.text+0x353dc): undefined reference to `calculator' callbacks.cc:(.text+0x353e0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x353f8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x354ec): undefined reference to `Calculator::closeGnuplot()' callbacks.cc:(.text+0x354f0): undefined reference to `calculator' callbacks.o: In function `on_menu_item_precision_activate': callbacks.cc:(.text+0x36660): undefined reference to `calculator' callbacks.cc:(.text+0x36668): undefined reference to `Calculator::getPrecision() const' callbacks.cc:(.text+0x3666c): undefined reference to `calculator' callbacks.o: In function `on_unit_edit_entry_name_changed': callbacks.cc:(.text+0x369c8): undefined reference to `calculator' callbacks.cc:(.text+0x369e8): undefined reference to `Calculator::unitNameIsValid(char const*)' callbacks.cc:(.text+0x369ec): undefined reference to `calculator' callbacks.cc:(.text+0x36a44): undefined reference to `calculator' callbacks.cc:(.text+0x36a54): undefined reference to `Calculator::convertToValidUnitName(std::basic_string, std::allocator >)' callbacks.o: In function `on_units_button_convert_to_clicked': callbacks.cc:(.text+0x37098): undefined reference to `calculator' callbacks.cc:(.text+0x3709c): undefined reference to `calculator' callbacks.cc:(.text+0x370b8): undefined reference to `Calculator::convert(MathStructure const&, Unit*, EvaluationOptions const&, bool)' callbacks.cc:(.text+0x370cc): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x370d4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x370f4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_variables_button_edit_clicked': callbacks.cc:(.text+0x37558): undefined reference to `calculator' callbacks.cc:(.text+0x37560): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x37564): undefined reference to `calculator' callbacks.o: In function `on_variables_button_insert_clicked': callbacks.cc:(.text+0x37618): undefined reference to `calculator' callbacks.cc:(.text+0x3761c): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x37620): undefined reference to `calculator' callbacks.o: In function `on_variables_button_delete_clicked': callbacks.cc:(.text+0x37714): undefined reference to `calculator' callbacks.cc:(.text+0x3771c): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x37720): undefined reference to `calculator' callbacks.o: In function `on_variables_button_export_clicked': callbacks.cc:(.text+0x37998): undefined reference to `calculator' callbacks.cc:(.text+0x3799c): undefined reference to `Calculator::stillHasVariable(Variable*)' callbacks.cc:(.text+0x379a0): undefined reference to `calculator' callbacks.o: In function `on_datasets_button_delobject_clicked': callbacks.cc:(.text+0x38088): undefined reference to `DataSet::delObject(DataObject*)' callbacks.o: In function `on_function_edit_entry_name_changed': callbacks.cc:(.text+0x38108): undefined reference to `calculator' callbacks.cc:(.text+0x38128): undefined reference to `Calculator::functionNameIsValid(char const*)' callbacks.cc:(.text+0x3812c): undefined reference to `calculator' callbacks.cc:(.text+0x38184): undefined reference to `calculator' callbacks.cc:(.text+0x38194): undefined reference to `Calculator::convertToValidFunctionName(std::basic_string, std::allocator >)' callbacks.o: In function `on_variable_edit_entry_name_changed': callbacks.cc:(.text+0x382e8): undefined reference to `calculator' callbacks.cc:(.text+0x38308): undefined reference to `Calculator::variableNameIsValid(char const*)' callbacks.cc:(.text+0x3830c): undefined reference to `calculator' callbacks.cc:(.text+0x38364): undefined reference to `calculator' callbacks.cc:(.text+0x38374): undefined reference to `Calculator::convertToValidVariableName(std::basic_string, std::allocator >)' callbacks.o: In function `update_nbases_entries': callbacks.cc:(.text+0x38c1c): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x38ca8): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x38d30): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x38db8): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.o: In function `on_nbases_entry_decimal_changed': callbacks.cc:(.text+0x39070): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x390b4): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x3912c): undefined reference to `calculator' callbacks.cc:(.text+0x39134): undefined reference to `calculator' callbacks.cc:(.text+0x39140): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x3914c): undefined reference to `calculator' callbacks.cc:(.text+0x3916c): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x391d0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x392ec): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_nbases_entry_binary_changed': callbacks.cc:(.text+0x3936c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x393ac): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x39474): undefined reference to `calculator' callbacks.cc:(.text+0x3947c): undefined reference to `calculator' callbacks.cc:(.text+0x39488): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x39494): undefined reference to `calculator' callbacks.cc:(.text+0x394b0): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x394c8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x39584): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_nbases_entry_octal_changed': callbacks.cc:(.text+0x3968c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x396cc): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x39794): undefined reference to `calculator' callbacks.cc:(.text+0x3979c): undefined reference to `calculator' callbacks.cc:(.text+0x397a8): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x397b4): undefined reference to `calculator' callbacks.cc:(.text+0x397d0): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x397e8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x398a4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_nbases_entry_hexadecimal_changed': callbacks.cc:(.text+0x399ac): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x399ec): undefined reference to `is_in(char const*, char)' callbacks.cc:(.text+0x39ab4): undefined reference to `calculator' callbacks.cc:(.text+0x39abc): undefined reference to `calculator' callbacks.cc:(.text+0x39ac8): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x39ad4): undefined reference to `calculator' callbacks.cc:(.text+0x39af0): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x39b08): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x39bc4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_precision_dialog_spinbutton_precision_value_changed': callbacks.cc:(.text+0x39e88): undefined reference to `calculator' callbacks.cc:(.text+0x39e90): undefined reference to `calculator' callbacks.cc:(.text+0x39e94): undefined reference to `Calculator::setPrecision(int)' callbacks.o: In function `on_precision_dialog_button_recalculate_clicked': callbacks.cc:(.text+0x39ed8): undefined reference to `calculator' callbacks.cc:(.text+0x39ee0): undefined reference to `Calculator::setPrecision(int)' callbacks.cc:(.text+0x39ee4): undefined reference to `calculator' callbacks.o: In function `on_function_edit_button_add_subfunction_clicked': callbacks.cc:(.text+0x3b18c): undefined reference to `i2s(unsigned)' callbacks.o: In function `on_function_edit_button_remove_subfunction_clicked': callbacks.cc:(.text+0x3b6b4): undefined reference to `i2s(unsigned)' callbacks.o: In function `on_function_edit_button_add_argument_clicked': callbacks.cc:(.text+0x3b9a0): undefined reference to `TextArgument::TextArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3ba0c): undefined reference to `Argument::setName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x3ba44): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x3ba70): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0x3bb70): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bbb0): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bbf0): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bc2c): undefined reference to `SymbolicArgument::SymbolicArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bc68): undefined reference to `DateArgument::DateArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bca8): undefined reference to `VectorArgument::VectorArgument[in-charge](std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x3bce4): undefined reference to `MatrixArgument::MatrixArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bd24): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bd64): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bda4): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bde4): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3be24): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3be64): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3bea0): undefined reference to `BooleanArgument::BooleanArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bedc): undefined reference to `ExpressionItemArgument::ExpressionItemArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bf18): undefined reference to `FunctionArgument::FunctionArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bf54): undefined reference to `UnitArgument::UnitArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bf90): undefined reference to `VariableArgument::VariableArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3bfcc): undefined reference to `FileArgument::FileArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c008): undefined reference to `AngleArgument::AngleArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c048): undefined reference to `DataObjectArgument::DataObjectArgument[in-charge](DataSet*, std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c088): undefined reference to `DataPropertyArgument::DataPropertyArgument[in-charge](DataSet*, std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c0c4): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.o: In function `on_function_edit_button_modify_argument_clicked': callbacks.cc:(.text+0x3c540): undefined reference to `Argument::setName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x3c578): undefined reference to `Argument::name() const' callbacks.cc:(.text+0x3c5a4): undefined reference to `Argument::printlong() const' callbacks.cc:(.text+0x3c698): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c7ac): undefined reference to `TextArgument::TextArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c814): undefined reference to `Argument::Argument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c858): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3c89c): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3c8dc): undefined reference to `SymbolicArgument::SymbolicArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c91c): undefined reference to `DateArgument::DateArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c960): undefined reference to `VectorArgument::VectorArgument[in-charge](std::basic_string, std::allocator >, bool, bool, bool)' callbacks.cc:(.text+0x3c9a0): undefined reference to `MatrixArgument::MatrixArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3c9e4): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3ca28): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3ca6c): undefined reference to `NumberArgument::NumberArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3cab0): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3caf4): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3cb38): undefined reference to `IntegerArgument::IntegerArgument[in-charge](std::basic_string, std::allocator >, ArgumentMinMaxPreDefinition, bool, bool)' callbacks.cc:(.text+0x3cb78): undefined reference to `BooleanArgument::BooleanArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cbb8): undefined reference to `ExpressionItemArgument::ExpressionItemArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cbf8): undefined reference to `FunctionArgument::FunctionArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cc38): undefined reference to `UnitArgument::UnitArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cc78): undefined reference to `VariableArgument::VariableArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3ccb8): undefined reference to `FileArgument::FileArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3ccf8): undefined reference to `AngleArgument::AngleArgument[in-charge](std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cd3c): undefined reference to `DataObjectArgument::DataObjectArgument[in-charge](DataSet*, std::basic_string, std::allocator >, bool, bool)' callbacks.cc:(.text+0x3cd80): undefined reference to `DataPropertyArgument::DataPropertyArgument[in-charge](DataSet*, std::basic_string, std::allocator >, bool, bool)' callbacks.o: In function `on_names_edit_button_add_clicked': callbacks.cc:(.text+0x3e1e0): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3e41c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3e44c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3e47c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3e650): undefined reference to `calculator' callbacks.cc:(.text+0x3e658): undefined reference to `calculator' callbacks.cc:(.text+0x3e65c): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x3e6e4): undefined reference to `calculator' callbacks.cc:(.text+0x3e6ec): undefined reference to `calculator' callbacks.cc:(.text+0x3e6f0): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x3e784): undefined reference to `calculator' callbacks.cc:(.text+0x3e78c): undefined reference to `calculator' callbacks.cc:(.text+0x3e790): undefined reference to `Calculator::unitNameTaken(std::basic_string, std::allocator >, Unit*)' callbacks.cc:(.text+0x3e828): undefined reference to `calculator' callbacks.cc:(.text+0x3e830): undefined reference to `calculator' callbacks.cc:(.text+0x3e834): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x3e8cc): undefined reference to `calculator' callbacks.cc:(.text+0x3e8d4): undefined reference to `calculator' callbacks.cc:(.text+0x3e8d8): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x3e964): undefined reference to `calculator' callbacks.cc:(.text+0x3e96c): undefined reference to `calculator' callbacks.cc:(.text+0x3e970): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.o: In function `on_names_edit_button_modify_clicked': callbacks.cc:(.text+0x3ecec): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3eefc): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3ef2c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3ef5c): undefined reference to `b2yn(bool, bool)' callbacks.cc:(.text+0x3f180): undefined reference to `calculator' callbacks.cc:(.text+0x3f188): undefined reference to `calculator' callbacks.cc:(.text+0x3f18c): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x3f214): undefined reference to `calculator' callbacks.cc:(.text+0x3f21c): undefined reference to `calculator' callbacks.cc:(.text+0x3f220): undefined reference to `Calculator::functionNameTaken(std::basic_string, std::allocator >, MathFunction*)' callbacks.cc:(.text+0x3f2b4): undefined reference to `calculator' callbacks.cc:(.text+0x3f2bc): undefined reference to `calculator' callbacks.cc:(.text+0x3f2c0): undefined reference to `Calculator::unitNameTaken(std::basic_string, std::allocator >, Unit*)' callbacks.cc:(.text+0x3f358): undefined reference to `calculator' callbacks.cc:(.text+0x3f360): undefined reference to `calculator' callbacks.cc:(.text+0x3f364): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x3f3fc): undefined reference to `calculator' callbacks.cc:(.text+0x3f404): undefined reference to `calculator' callbacks.cc:(.text+0x3f408): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.cc:(.text+0x3f494): undefined reference to `calculator' callbacks.cc:(.text+0x3f49c): undefined reference to `calculator' callbacks.cc:(.text+0x3f4a0): undefined reference to `Calculator::variableNameTaken(std::basic_string, std::allocator >, Variable*)' callbacks.o: In function `on_names_edit_entry_name_changed': callbacks.cc:(.text+0x3f7fc): undefined reference to `calculator' callbacks.cc:(.text+0x3f81c): undefined reference to `Calculator::functionNameIsValid(char const*)' callbacks.cc:(.text+0x3f820): undefined reference to `calculator' callbacks.cc:(.text+0x3f878): undefined reference to `calculator' callbacks.cc:(.text+0x3f888): undefined reference to `Calculator::convertToValidFunctionName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x3f968): undefined reference to `calculator' callbacks.cc:(.text+0x3f988): undefined reference to `Calculator::variableNameIsValid(char const*)' callbacks.cc:(.text+0x3f98c): undefined reference to `calculator' callbacks.cc:(.text+0x3f9e4): undefined reference to `calculator' callbacks.cc:(.text+0x3f9f4): undefined reference to `Calculator::convertToValidVariableName(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x3fa60): undefined reference to `calculator' callbacks.cc:(.text+0x3fa80): undefined reference to `Calculator::unitNameIsValid(char const*)' callbacks.cc:(.text+0x3fa84): undefined reference to `calculator' callbacks.cc:(.text+0x3fadc): undefined reference to `calculator' callbacks.cc:(.text+0x3faec): undefined reference to `Calculator::convertToValidUnitName(std::basic_string, std::allocator >)' callbacks.o: In function `generate_plot': callbacks.cc:(.text+0x3fdf0): undefined reference to `plot_data_parameters::plot_data_parameters[in-charge]()' callbacks.cc:(.text+0x3fe28): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x40294): undefined reference to `i2s(int)' callbacks.cc:(.text+0x402dc): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40308): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40334): undefined reference to `MathStructure::isMatrix() const' callbacks.cc:(.text+0x4035c): undefined reference to `MathStructure::columns() const' callbacks.cc:(.text+0x40388): undefined reference to `m_undefined' callbacks.cc:(.text+0x403d0): undefined reference to `MathStructure::columnToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x403f0): undefined reference to `m_undefined' callbacks.cc:(.text+0x40440): undefined reference to `MathStructure::columnToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x40454): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40458): undefined reference to `m_undefined' callbacks.cc:(.text+0x40464): undefined reference to `m_undefined' callbacks.cc:(.text+0x40470): undefined reference to `m_undefined' callbacks.cc:(.text+0x40488): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x4048c): undefined reference to `m_undefined' callbacks.cc:(.text+0x40498): undefined reference to `m_undefined' callbacks.cc:(.text+0x404a4): undefined reference to `m_undefined' callbacks.cc:(.text+0x404b8): undefined reference to `MathStructure::rows() const' callbacks.cc:(.text+0x404e4): undefined reference to `m_undefined' callbacks.cc:(.text+0x4052c): undefined reference to `MathStructure::rowToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x4054c): undefined reference to `m_undefined' callbacks.cc:(.text+0x4059c): undefined reference to `MathStructure::rowToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x405b0): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x405b4): undefined reference to `m_undefined' callbacks.cc:(.text+0x405c0): undefined reference to `m_undefined' callbacks.cc:(.text+0x405cc): undefined reference to `m_undefined' callbacks.cc:(.text+0x405e4): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x405e8): undefined reference to `m_undefined' callbacks.cc:(.text+0x405f4): undefined reference to `m_undefined' callbacks.cc:(.text+0x40600): undefined reference to `m_undefined' callbacks.cc:(.text+0x40614): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x40668): undefined reference to `m_undefined' callbacks.cc:(.text+0x40670): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40674): undefined reference to `m_undefined' callbacks.cc:(.text+0x40688): undefined reference to `m_undefined' callbacks.cc:(.text+0x40690): undefined reference to `m_undefined' callbacks.cc:(.text+0x40694): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x4071c): undefined reference to `MathStructure::transform(int)' callbacks.cc:(.text+0x40740): undefined reference to `m_undefined' callbacks.cc:(.text+0x40748): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x4074c): undefined reference to `m_undefined' callbacks.cc:(.text+0x40764): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40790): undefined reference to `MathStructure::isMatrix() const' callbacks.cc:(.text+0x407b8): undefined reference to `MathStructure::columns() const' callbacks.cc:(.text+0x407e4): undefined reference to `m_undefined' callbacks.cc:(.text+0x4082c): undefined reference to `MathStructure::columnToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x4084c): undefined reference to `m_undefined' callbacks.cc:(.text+0x40868): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x4086c): undefined reference to `m_undefined' callbacks.cc:(.text+0x40878): undefined reference to `m_undefined' callbacks.cc:(.text+0x40884): undefined reference to `m_undefined' callbacks.cc:(.text+0x4089c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x408a0): undefined reference to `m_undefined' callbacks.cc:(.text+0x408ac): undefined reference to `m_undefined' callbacks.cc:(.text+0x408b8): undefined reference to `m_undefined' callbacks.cc:(.text+0x408cc): undefined reference to `MathStructure::rows() const' callbacks.cc:(.text+0x408f8): undefined reference to `m_undefined' callbacks.cc:(.text+0x40940): undefined reference to `MathStructure::rowToVector(unsigned, MathStructure&) const' callbacks.cc:(.text+0x40960): undefined reference to `m_undefined' callbacks.cc:(.text+0x4097c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40980): undefined reference to `m_undefined' callbacks.cc:(.text+0x4098c): undefined reference to `m_undefined' callbacks.cc:(.text+0x40998): undefined reference to `m_undefined' callbacks.cc:(.text+0x409b0): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x409b4): undefined reference to `m_undefined' callbacks.cc:(.text+0x409c0): undefined reference to `m_undefined' callbacks.cc:(.text+0x409cc): undefined reference to `m_undefined' callbacks.cc:(.text+0x409e0): undefined reference to `MathStructure::isVector() const' callbacks.cc:(.text+0x40a34): undefined reference to `m_undefined' callbacks.cc:(.text+0x40a3c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40a40): undefined reference to `m_undefined' callbacks.cc:(.text+0x40a58): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40ae0): undefined reference to `MathStructure::transform(int)' callbacks.cc:(.text+0x40b04): undefined reference to `m_undefined' callbacks.cc:(.text+0x40b0c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x40b10): undefined reference to `m_undefined' callbacks.cc:(.text+0x40b28): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.o: In function `on_plot_button_save_clicked': callbacks.cc:(.text+0x4113c): undefined reference to `plot_parameters::plot_parameters[in-charge]()' callbacks.cc:(.text+0x41198): undefined reference to `calculator' callbacks.cc:(.text+0x411a4): undefined reference to `calculator' callbacks.cc:(.text+0x411b4): undefined reference to `Calculator::plotVectors(plot_parameters*, std::vector > const&, std::vector > const&, std::vector >&, bool)' callbacks.cc:(.text+0x412f0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41340): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41504): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41558): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `update_plot': callbacks.cc:(.text+0x416b8): undefined reference to `plot_parameters::plot_parameters[in-charge]()' callbacks.cc:(.text+0x416dc): undefined reference to `calculator' callbacks.cc:(.text+0x417a0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x417f0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x418a4): undefined reference to `calculator' callbacks.cc:(.text+0x418b4): undefined reference to `Calculator::plotVectors(plot_parameters*, std::vector > const&, std::vector > const&, std::vector >&, bool)' callbacks.cc:(.text+0x419f4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41a44): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41b28): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x41c5c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `generate_plot_series': callbacks.cc:(.text+0x41dc4): undefined reference to `calculator' callbacks.cc:(.text+0x41dcc): undefined reference to `calculator' callbacks.cc:(.text+0x41dd8): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x41de4): undefined reference to `calculator' callbacks.cc:(.text+0x41dfc): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x41eb0): undefined reference to `calculator' callbacks.cc:(.text+0x41ecc): undefined reference to `calculator' callbacks.cc:(.text+0x41ed4): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x41ee0): undefined reference to `calculator' callbacks.cc:(.text+0x41efc): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x41f88): undefined reference to `calculator' callbacks.cc:(.text+0x41f94): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x41fa0): undefined reference to `calculator' callbacks.cc:(.text+0x41fbc): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x42010): undefined reference to `MathStructure::MathStructure[in-charge]()' callbacks.cc:(.text+0x42020): undefined reference to `MathStructure::clearVector(bool)' callbacks.cc:(.text+0x420c0): undefined reference to `calculator' callbacks.cc:(.text+0x420cc): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x420d8): undefined reference to `calculator' callbacks.cc:(.text+0x420f4): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x42114): undefined reference to `calculator' callbacks.cc:(.text+0x4213c): undefined reference to `Calculator::expressionToPlotVector(std::basic_string, std::allocator >, MathStructure const&, MathStructure const&, MathStructure const&, MathStructure*, std::basic_string, std::allocator >, ParseOptions const&)' callbacks.cc:(.text+0x42174): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x421dc): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x421e4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x42298): undefined reference to `calculator' callbacks.cc:(.text+0x422c0): undefined reference to `Calculator::expressionToPlotVector(std::basic_string, std::allocator >, MathStructure const&, MathStructure const&, int, MathStructure*, std::basic_string, std::allocator >, ParseOptions const&)' callbacks.cc:(.text+0x424a4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x424f0): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x42520): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_plot_button_add_clicked': callbacks.cc:(.text+0x4282c): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x42b6c): undefined reference to `calculator' callbacks.cc:(.text+0x42b74): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x42b78): undefined reference to `calculator' callbacks.o: In function `on_plot_button_modify_clicked': callbacks.cc:(.text+0x42fc4): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x43090): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x43328): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x4334c): undefined reference to `calculator' callbacks.cc:(.text+0x43354): undefined reference to `Calculator::getActiveVariable(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x43358): undefined reference to `calculator' callbacks.o: In function `on_plot_button_remove_clicked': callbacks.cc:(.text+0x436e8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x43700): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_plot_button_range_apply_clicked': callbacks.cc:(.text+0x43ca4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x43cbc): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_unit_dialog_button_ok_clicked': callbacks.cc:(.text+0x43de8): undefined reference to `calculator' callbacks.cc:(.text+0x43dec): undefined reference to `calculator' callbacks.cc:(.text+0x43e08): undefined reference to `Calculator::convert(MathStructure const&, std::basic_string, std::allocator >, EvaluationOptions const&)' callbacks.cc:(.text+0x43e1c): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x43e24): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x43e5c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_unit_dialog_button_apply_clicked': callbacks.cc:(.text+0x43f28): undefined reference to `calculator' callbacks.cc:(.text+0x43f2c): undefined reference to `calculator' callbacks.cc:(.text+0x43f48): undefined reference to `Calculator::convert(MathStructure const&, std::basic_string, std::allocator >, EvaluationOptions const&)' callbacks.cc:(.text+0x43f5c): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x43f64): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x43f9c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `on_element_button_function_clicked': callbacks.cc:(.text+0x440b4): undefined reference to `DataProperty::parentSet() const' callbacks.cc:(.text+0x44148): undefined reference to `DataSet::getPrimaryKeyProperty()' callbacks.cc:(.text+0x44158): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x4416c): undefined reference to `calculator' callbacks.cc:(.text+0x44170): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x44174): undefined reference to `calculator' callbacks.cc:(.text+0x441a8): undefined reference to `DataProperty::getName(unsigned) const' callbacks.o: In function `on_element_button_clicked': callbacks.cc:(.text+0x44354): undefined reference to `DataObject::parentSet() const' callbacks.cc:(.text+0x44540): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x44588): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x445cc): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x44610): undefined reference to `DataSet::getProperty(std::basic_string, std::allocator >)' callbacks.cc:(.text+0x44664): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x4475c): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x44838): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x44958): undefined reference to `DataObject::getProperty(DataProperty*, int*)' callbacks.cc:(.text+0x44960): undefined reference to `s2i(std::basic_string, std::allocator > const&)' callbacks.cc:(.text+0x44b78): undefined reference to `DataSet::getFirstProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x44ba8): undefined reference to `DataProperty::isHidden() const' callbacks.cc:(.text+0x44c08): undefined reference to `DataSet::getNextProperty(__gnu_cxx::__normal_iterator > >*)' callbacks.cc:(.text+0x44c90): undefined reference to `DataObject::getPropertyDisplayString(DataProperty*)' callbacks.cc:(.text+0x44d38): undefined reference to `DataProperty::title(bool) const' callbacks.o: In function `on_dataset_edit_entry_name_changed': callbacks.cc:(.text+0x45288): undefined reference to `calculator' callbacks.cc:(.text+0x452a8): undefined reference to `Calculator::functionNameIsValid(char const*)' callbacks.cc:(.text+0x452ac): undefined reference to `calculator' callbacks.cc:(.text+0x45304): undefined reference to `calculator' callbacks.cc:(.text+0x45314): undefined reference to `Calculator::convertToValidFunctionName(std::basic_string, std::allocator >)' callbacks.o: In function `on_dataset_edit_button_new_property_clicked': callbacks.cc:(.text+0x454c4): undefined reference to `DataProperty::DataProperty[in-charge](DataSet*, std::basic_string, std::allocator >, std::basic_string, std::allocator >, std::basic_string, std::allocator >)' callbacks.cc:(.text+0x45538): undefined reference to `DataProperty::setUserModified(bool)' callbacks.o: In function `on_dataset_edit_button_del_property_clicked': callbacks.cc:(.text+0x45948): undefined reference to `DataProperty::isUserModified() const' callbacks.o: In function `on_menu_item_set_unknowns_activate': callbacks.cc:(.text+0x45f80): undefined reference to `MathStructure::MathStructure[in-charge]()' callbacks.cc:(.text+0x45f8c): undefined reference to `MathStructure::findAllUnknowns(MathStructure&)' callbacks.cc:(.text+0x45f94): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x45fe4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46110): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x46198): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x461d0): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x461d8): undefined reference to `MathStructure::isSymbolic() const' callbacks.cc:(.text+0x4620c): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x4622c): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x463b4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x463d4): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x4642c): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x464c8): undefined reference to `MathStructure::size() const' callbacks.cc:(.text+0x46518): undefined reference to `remove_blank_ends(std::basic_string, std::allocator >&)' callbacks.cc:(.text+0x46548): undefined reference to `calculator' callbacks.cc:(.text+0x4654c): undefined reference to `Calculator::getComma() const' callbacks.cc:(.text+0x46550): undefined reference to `calculator' callbacks.cc:(.text+0x46564): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x4656c): undefined reference to `MathStructure::isSymbolic() const' callbacks.cc:(.text+0x465a4): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x465c4): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x46624): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x4662c): undefined reference to `MathStructure::isSymbolic() const' callbacks.cc:(.text+0x46690): undefined reference to `MathStructure::operator[](unsigned)' callbacks.cc:(.text+0x466ac): undefined reference to `calculator' callbacks.cc:(.text+0x466b4): undefined reference to `calculator' callbacks.cc:(.text+0x466bc): undefined reference to `Calculator::unlocalizeExpression(std::basic_string, std::allocator >) const' callbacks.cc:(.text+0x466c8): undefined reference to `calculator' callbacks.cc:(.text+0x466e8): undefined reference to `Calculator::calculate(std::basic_string, std::allocator >, EvaluationOptions const&, MathStructure*, std::basic_string, std::allocator >*)' callbacks.cc:(.text+0x466fc): undefined reference to `MathStructure::replace(MathStructure const&, MathStructure const&)' callbacks.cc:(.text+0x46704): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x467a4): undefined reference to `MathStructure::eval(EvaluationOptions const&)' callbacks.cc:(.text+0x46870): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x46944): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x4694c): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46990): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.text+0x469b0): undefined reference to `MathStructure::format(PrintOptions const&)' callbacks.cc:(.text+0x469fc): undefined reference to `MathStructure::print(PrintOptions const&, InternalPrintStruct const&) const' callbacks.cc:(.text+0x46aec): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46b2c): undefined reference to `MathStructure::set(MathStructure const&, bool)' callbacks.cc:(.text+0x46b70): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46c54): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46ce8): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.text+0x46d58): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `std::vector >::_M_insert_aux(__gnu_cxx::__normal_iterator > >, MathStructure const&)': callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x28): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x44): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x7c): undefined reference to `MathStructure::operator=(MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x9c): undefined reference to `MathStructure::operator=(MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0xa4): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x140): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x194): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x230): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.cc:(.gnu.linkonce.t._ZNSt6vectorI13MathStructureSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_+0x284): undefined reference to `MathStructure::~MathStructure [in-charge]()' callbacks.o: In function `__gnu_cxx::__normal_iterator > > std::__uninitialized_copy_aux<__gnu_cxx::__normal_iterator > >, __gnu_cxx::__normal_iterator > > >(__gnu_cxx::__normal_iterator > >, __gnu_cxx::__normal_iterator > >, __gnu_cxx::__normal_iterator > >, __false_type)': callbacks.cc:(.gnu.linkonce.t._ZSt24__uninitialized_copy_auxIN9__gnu_cxx17__normal_iteratorIP13MathStructureSt6vectorIS2_SaIS2_EEEES7_ET0_T_S9_S8_12__false_type+0x34): undefined reference to `MathStructure::MathStructure[in-charge](MathStructure const&)' callbacks.cc:(.gnu.linkonce.t._ZSt24__uninitialized_copy_auxIN9__gnu_cxx17__normal_iteratorIP13MathStructureSt6vectorIS2_SaIS2_EEEES7_ET0_T_S9_S8_12__false_type+0x80): undefined reference to `MathStructure::~MathStructure [in-charge]()' collect2: ld returned 1 exit status make[2]: *** [qalculate-gtk] Error 1 make[2]: Leaving directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/var/tmp/portage/qalculate-gtk-0.8.0/work/qalculate-gtk-0.8.0' make: *** [all] Error 2 !!! ERROR: sci-calculators/qalculate-gtk-0.8.0 failed. !!! Function gnome2_src_compile, Line 48, Exitcode 2 !!! compile failure !!! If you need support, post the topmost build error, NOT this status message.