* Package:    sci-visualization/spyview-20150124
 * Repository: gentoo
 * Maintainer: dilfridge@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking spyview-20150124.tgz to /var/tmp/portage/sci-visualization/spyview-20150124/work
'/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-966012afae2fbb77262bd96a7e530e81b0ed3b90/source' -> '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124'
>>> Source unpacked in /var/tmp/portage/sci-visualization/spyview-20150124/work
>>> Preparing source in /var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124 ...
 * Applying spyview-20150124-gnuplot_interface_fix.patch ...
 [ ok ]
 * Running eautoreconf in '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124' ...
 * Running aclocal ...
 [ ok ]
 * Running autoconf --force ...
 [ ok ]
 * Running autoheader ...
 [ ok ]
 * Running automake --add-missing --copy --force-missing ...
 [ ok ]
 * Running elibtoolize in: spyview-20150124/
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124 ...
 * econf: updating spyview-20150124/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating spyview-20150124/config.guess with /usr/share/gnuconfig/config.guess
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --disable-dependency-tracking --disable-silent-rules --docdir=/usr/share/doc/spyview-20150124 --htmldir=/usr/share/doc/spyview-20150124/html --libdir=/usr/lib64
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/lib/portage/python3.4/ebuild-helpers/xattr/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
./configure: line 3008: USER_DIRS: command not found
checking for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether x86_64-pc-linux-gnu-g++ accepts -g... yes
checking for style of include used by make... GNU
checking dependency style of x86_64-pc-linux-gnu-g++... none
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking whether x86_64-pc-linux-gnu-gcc understands -c and -o together... yes
checking dependency style of x86_64-pc-linux-gnu-gcc... none
checking for fluid... /usr/bin/fluid
checking for groff... /usr/bin/groff
checking for ps2pdf... /usr/bin/ps2pdf
checking for main in -lGL... yes
checking for main in -lGLU... yes
checking for main in -lz... yes
checking for main in -lpng... yes
checking for main in -lfltk... yes
checking for main in -lfltk_jpeg... no
configure: WARNING: libjpeg not found: assuming you are using system version
checking for main in -lfltk_images... yes
checking for main in -lfltk_gl... yes
checking for main in -lboost_serialization... yes
checking for main in -lboost_regex... yes
checking for main in -lnetpbm... yes
checking for round in -lm... yes
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for X... libraries , headers 
checking for gethostbyname... yes
checking for connect... yes
checking for remove... yes
checking for shmat... yes
checking for IceConnectionNumber in -lICE... yes
checking for dirent.h that defines DIR... yes
checking for library containing opendir... none required
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking fcntl.h usability... yes
checking fcntl.h presence... yes
checking for fcntl.h... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for unistd.h... (cached) yes
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking for pow... yes
checking for strrchr... yes
checking for strstr... yes
checking for symlink... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating spyview/Makefile
config.status: creating debian/Makefile
config.status: creating config.h
config.status: executing depfiles commands
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124 ...
make -j1 
make  all-recursive
make[1]: Entering directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124'
Making all in spyview
make[2]: Entering directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124/spyview'
make  all-am
make[3]: Entering directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124/spyview'
x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I..  -DBUILDSTAMP="\"mr-fox Sun Mar 19 06:51:50 CET 2017\"" -I/usr/include/netpbm -DSPYVIEW_DATADIR='"/usr/share"'  -Werror=terminate -O2 -pipe -march=native -I/usr/include/fltk -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_THREAD_SAFE -D_REENTRANT -Wall -D_GNU_SOURCE -fpermissive -c -o spyview_ui.o spyview_ui.C
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:219:5: error: reference to ‘tuple’ is ambiguous
     tuple ***    tuplesP;
     ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:261:16: error: reference to ‘tuple’ is ambiguous
                tuple              const comparand,
                ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:261:16: error: ‘tuple’ has not been declared
                tuple              const comparand,
                ^~~~~
/usr/include/netpbm/pam.h:262:16: error: reference to ‘tuple’ is ambiguous
                tuple              const comparator);
                ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:262:16: error: ‘tuple’ has not been declared
                tuple              const comparator);
                ^~~~~
/usr/include/netpbm/pam.h:266:17: error: reference to ‘tuple’ is ambiguous
                 tuple              const dest,
                 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:266:17: error: ‘tuple’ has not been declared
                 tuple              const dest,
                 ^~~~~
/usr/include/netpbm/pam.h:267:17: error: reference to ‘tuple’ is ambiguous
                 tuple              const source);
                 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:267:17: error: ‘tuple’ has not been declared
                 tuple              const source);
                 ^~~~~
/usr/include/netpbm/pam.h:285:16: error: reference to ‘tuple’ is ambiguous
                tuple              const dest,
                ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:285:16: error: ‘tuple’ has not been declared
                tuple              const dest,
                ^~~~~
/usr/include/netpbm/pam.h:286:16: error: reference to ‘tuple’ is ambiguous
                tuple              const source,
                ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:286:16: error: ‘tuple’ has not been declared
                tuple              const source,
                ^~~~~
/usr/include/netpbm/pam.h:291:19: error: reference to ‘tuple’ is ambiguous
                   tuple *            const destRow,
                   ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:291:19: error: ‘tuple’ has not been declared
                   tuple *            const destRow,
                   ^~~~~
/usr/include/netpbm/pam.h:292:19: error: reference to ‘tuple’ is ambiguous
                   tuple *            const sourceRow,
                   ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:292:19: error: ‘tuple’ has not been declared
                   tuple *            const sourceRow,
                   ^~~~~
/usr/include/netpbm/pam.h:297:18: error: reference to ‘tuple’ is ambiguous
                  tuple              const tuple);
                  ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:297:18: error: ‘tuple’ has not been declared
                  tuple              const tuple);
                  ^~~~~
/usr/include/netpbm/pam.h:301:16: error: reference to ‘tuple’ is ambiguous
                tuple *            const tuplerow);
                ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:301:16: error: ‘tuple’ has not been declared
                tuple *            const tuplerow);
                ^~~~~
/usr/include/netpbm/pam.h:305:18: error: reference to ‘tuple’ is ambiguous
                  tuple **           const tuples);
                  ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:305:18: error: ‘tuple’ has not been declared
                  tuple **           const tuples);
                  ^~~~~
/usr/include/netpbm/pam.h:309:17: error: reference to ‘tuple’ is ambiguous
                 tuple *            const tuplerow);
                 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:309:17: error: ‘tuple’ has not been declared
                 tuple *            const tuplerow);
                 ^~~~~
/usr/include/netpbm/pam.h:313:19: error: reference to ‘tuple’ is ambiguous
                   tuple *            const tuplerow);
                   ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:313:19: error: ‘tuple’ has not been declared
                   tuple *            const tuplerow);
                   ^~~~~
/usr/include/netpbm/pam.h:321:53: error: reference to ‘tuple’ is ambiguous
 pnm_createBlackTuple(const struct pam * const pamP, tuple * const blackTupleP);
                                                     ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:321:53: error: ‘tuple’ has not been declared
 pnm_createBlackTuple(const struct pam * const pamP, tuple * const blackTupleP);
                                                     ^~~~~
/usr/include/netpbm/pam.h:323:1: error: reference to ‘tuple’ is ambiguous
 tuple
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:328:1: error: reference to ‘tuple’ is ambiguous
 tuple *
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:333:1: error: reference to ‘tuple’ is ambiguous
 tuple **
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:337:18: error: variable or field ‘pnm_freepamarray’ declared void
 pnm_freepamarray(tuple ** const tuplearray, const struct pam * const pamP);
                  ^~~~~
/usr/include/netpbm/pam.h:337:18: error: reference to ‘tuple’ is ambiguous
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:337:27: error: expected primary-expression before ‘const’
 pnm_freepamarray(tuple ** const tuplearray, const struct pam * const pamP);
                           ^~~~~
/usr/include/netpbm/pam.h:337:45: error: expected primary-expression before ‘const’
 pnm_freepamarray(tuple ** const tuplearray, const struct pam * const pamP);
                                             ^~~~~
/usr/include/netpbm/pam.h:345:15: error: reference to ‘tuple’ is ambiguous
               tuple *            const tuplerow,
               ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:345:15: error: ‘tuple’ has not been declared
               tuple *            const tuplerow,
               ^~~~~
/usr/include/netpbm/pam.h:360:47: error: reference to ‘tuple’ is ambiguous
 pnm_readpamrow(const struct pam * const pamP, tuple* const tuplerow);
                                               ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:360:47: error: ‘tuple’ has not been declared
 pnm_readpamrow(const struct pam * const pamP, tuple* const tuplerow);
                                               ^~~~~
/usr/include/netpbm/pam.h:362:1: error: reference to ‘tuple’ is ambiguous
 tuple **
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:372:24: error: reference to ‘tuple’ is ambiguous
                  const tuple *      const tuplerow,
                        ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:377:54: error: reference to ‘tuple’ is ambiguous
 pnm_writepamrow(const struct pam * const pamP, const tuple * const tuplerow);
                                                      ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:381:27: error: reference to ‘tuple’ is ambiguous
                     const tuple *      const tuplerow,
                           ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:385:39: error: reference to ‘tuple’ is ambiguous
 pnm_writepam(struct pam * const pamP, tuple ** const tuplearray);
                                       ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:385:39: error: ‘tuple’ has not been declared
 pnm_writepam(struct pam * const pamP, tuple ** const tuplearray);
                                       ^~~~~
/usr/include/netpbm/pam.h:439:20: error: reference to ‘tuple’ is ambiguous
                    tuple        const tuple,
                    ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:439:20: error: ‘tuple’ has not been declared
                    tuple        const tuple,
                    ^~~~~
/usr/include/netpbm/pam.h:445:22: error: reference to ‘tuple’ is ambiguous
                      tuple        const tuple);
                      ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:445:22: error: ‘tuple’ has not been declared
                      tuple        const tuple);
                      ^~~~~
/usr/include/netpbm/pam.h:449:24: error: reference to ‘tuple’ is ambiguous
                  const tuple *            const tuplerow,
                        ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:457:20: error: reference to ‘tuple’ is ambiguous
                    tuple *                  const tuplerow);
                    ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:457:20: error: ‘tuple’ has not been declared
                    tuple *                  const tuplerow);
                    ^~~~~
/usr/include/netpbm/pam.h:492:1: error: reference to ‘tuple’ is ambiguous
 tuple
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:498:15: error: reference to ‘tuple’ is ambiguous
               tuple        const color,
               ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:498:15: error: ‘tuple’ has not been declared
               tuple        const color,
               ^~~~~
/usr/include/netpbm/pam.h:505:22: error: reference to ‘tuple’ is ambiguous
 pnm_YCbCrtuple(const tuple tuple,
                      ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:510:23: error: reference to ‘tuple’ is ambiguous
                       tuple              const tuple,
                       ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from mypam.h:5:0,
                 from ImageWindow.H:35,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/include/netpbm/pam.h:510:23: error: ‘tuple’ has not been declared
                       tuple              const tuple,
                       ^~~~~
/usr/include/netpbm/pam.h:520:1: error: reference to ‘tuple’ is ambiguous
 tuple
 ^~~~~
/usr/include/netpbm/pam.h:195:17: note: candidates are: typedef sample* tuple
 typedef sample *tuple;
                 ^~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/vector:60,
                 from ImageWindow.H:15,
                 from spyview_ui.h:6,
                 from spyview_ui.C:3:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.3.0/include/g++-v6/bits/stl_pair.h:83:11: note:                 template<class ...> class std::tuple
     class tuple;
           ^~~~~
In file included from spypal_gradient.H:14:0,
                 from spypal_wizard.h:6,
                 from spypal_interface.H:1,
                 from spyview_ui.C:4:
cclass.H:135:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIELuv_class::un’ of non-integral type [-fpermissive]
   static const double un = 0.2009;
                            ^~~~~~
cclass.H:136:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIELuv_class::vn’ of non-integral type [-fpermissive]
   static const double vn = 0.4610;
                            ^~~~~~
cclass.H:184:33: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIELAB_class::delta’ of non-integral type [-fpermissive]
   static const double delta=6.0/29.0;
                                 ^~~~
cclass.H:237:27: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_sRGB_class::a’ of non-integral type [-fpermissive]
   static const double a = 0.055;
                           ^~~~~
cclass.H:238:25: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_sRGB_class::c’ of non-integral type [-fpermissive]
   static const double c=0.0031308;
                         ^~~~~~~~~
cclass.H:364:27: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_LMS_class::F’ of non-integral type [-fpermissive]
   static const double F = 1.0;
                           ^~~
cclass.H:365:33: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_LMS_class::c_const’ of non-integral type [-fpermissive]
   static const double c_const = 0.525;
                                 ^~~~~
cclass.H:366:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_LMS_class::Nc’ of non-integral type [-fpermissive]
   static const double Nc = 1.0;
                            ^~~
cclass.H:368:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_LMS_class::Lw’ of non-integral type [-fpermissive]
   static const double Lw = 300; // Luminance of typical display.
                            ^~~
cclass.H:369:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_LMS_class::La’ of non-integral type [-fpermissive]
   static const double La = 60.0; // "Gray world"; Lw/5.0
                            ^~~~
cclass.H:430:27: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_Jab_class::F’ of non-integral type [-fpermissive]
   static const double F = 1.0;
                           ^~~
cclass.H:431:33: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_Jab_class::c_const’ of non-integral type [-fpermissive]
   static const double c_const = 0.525;
                                 ^~~~~
cclass.H:432:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_Jab_class::Nc’ of non-integral type [-fpermissive]
   static const double Nc = 1.0;
                            ^~~
cclass.H:434:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_Jab_class::Lw’ of non-integral type [-fpermissive]
   static const double Lw = 300.0; // Luminance of typical display.
                            ^~~~~
cclass.H:435:28: warning: ‘constexpr’ needed for in-class initialization of static data member ‘const double cc_CIECAM02_Jab_class::La’ of non-integral type [-fpermissive]
   static const double La = 60.0; // "Gray world"; Lw/5.0
                            ^~~~
make[3]: *** [Makefile:706: spyview_ui.o] Error 1
make[3]: Leaving directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124/spyview'
make[2]: *** [Makefile:497: all] Error 2
make[2]: Leaving directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124/spyview'
make[1]: *** [Makefile:380: all-recursive] Error 1
make[1]: Leaving directory '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124'
make: *** [Makefile:321: all] Error 2
 * ERROR: sci-visualization/spyview-20150124::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=sci-visualization/spyview-20150124::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sci-visualization/spyview-20150124::gentoo'`.
 * The complete build log is located at '/var/log/portage/sci-visualization:spyview-20150124:20170319-055136.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sci-visualization/spyview-20150124/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sci-visualization/spyview-20150124/temp/environment'.
 * Working directory: '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124'
 * S: '/var/tmp/portage/sci-visualization/spyview-20150124/work/spyview-20150124'