Checking for Mesa / GLU: Checking for Qt5: ** qt5 not found! Check /storage/tmp/paludis/app-emulation-virtualbox-5.2.16/work/VirtualBox-5.2.16/configure.log for details The log mentioned contains the following error: ***** Checking Qt5 ***** (Qt5 from pkg-config) compiling the following source file: #include <QtGlobal> extern "C" int main(void) { #if QT_VERSION >= 329216 return 0; #else return 1; #endif } using the following command line: x86_64-pc-linux-gnu-g++ -fPIC -g -O -Wall -o /storage/tmp/paludis/app-emulation-virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_out /storage/tmp/paludis/app-emulation-virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_src.cc "-L/usr/lib64 -lQt5Core -lpthread -I/usr/include/qt5/QtCore -I/usr/include/qt5" In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/type_traits:35:0, from /usr/include/qt5/QtCore/qglobal.h:45, from /usr/include/qt5/QtCore/QtGlobal:1, from /storage/tmp/paludis/app-emulation-virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_src.cc:1: /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options. #error This file requires compiler and library support \ ^ In file included from /usr/include/qt5/QtCore/qglobal.h:98:0, from /usr/include/qt5/QtCore/QtGlobal:1, from /storage/tmp/paludis/app-emulation-virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_src.cc:1: /usr/include/qt5/QtCore/qcompilerdetection.h:567:6: error: #error Qt requires a C++11 compiler and yours does not seem to be that. # error Qt requires a C++11 compiler and yours does not seem to be that. ^ <skipped unrelated> Reproducible: Always
This is because you use GCC <6 (5.4.0) which defaults to C++ 1998. GCC >=6 defaults to C++ 2014. If maintainers of this package plan to support GCC <6, then they should add e.g. 'append-cxxflags -std=gnu++14' or 'append-cxxflags -std=c++14'
line 2775 of Config.kmk # C++ Std settings $(QUIET)$(APPEND) '$@' 'ifneq ($$(VBOX_GCC_VERSION_CXX),)' $(QUIET)$(APPEND) '$@' ' ifneq ($$(int-ge $$(VBOX_GCC_VERSION_CXX),40800),)' $(QUIET)$(APPEND) '$@' ' VBOX_GCC_std ?= -std=c++11' $(QUIET)$(APPEND) '$@' ' else ifneq ($$(int-ge $$(VBOX_GCC_VERSION_CXX),40600),)' $(QUIET)$(APPEND) '$@' ' VBOX_GCC_std ?= -std=c++0x' $(QUIET)$(APPEND) '$@' ' endif' $(QUIET)$(APPEND) '$@' 'endif' then -std=c++11 should be included since gcc-4.8 but it's not in every tests : ***** Checking Qt5 ***** (Qt5 from pkg-config) compiling the following source file: #include <QtGlobal> extern "C" int main(void) { #if QT_VERSION >= 329216 return 0; #else return 1; #endif } using the following command line: x86_64-pc-linux-gnu-g++ -fPIC -g -O -Wall -o /dev/shm/portage/app-emulation/virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_out /dev/shm/portage/app-emulation/virtualbox-5.2.16/work/VirtualBox-5.2.16/.tmp_src.cc "-L/usr/lib64 -lQt5Core -lpthread -I/usr/include/qt5/QtCore -I/usr/include/qt5 "
Created attachment 545936 [details] configure.log => configure.lol :)
(In reply to Ryo from comment #3) > Created attachment 545936 [details] > configure.log > > => configure.lol :) I spent some times on this, i managed to compile it. It looks like a configure (script) failure , but i can't really understand what test is failing. the interesting parts are : 1489 # gcc 4.8 is able to compile with C++11 (see also VBOX_GCC_std in Config.kmk) 1490 [ $cc_maj -eq 4 -a $cc_min -eq 8 ] && FLGQT5="$FLGQT5 -std=c++11" and 1606 else 1607 log_failure "qt5 not found" 1608 fail <========= 1609 fi I had to comment out the "fail" function , then it compiled.I ran it too for a few minutes , it was OK. I've attached the configure.log , someone is shouting about all QT5 tests. Hope it helps, cheers. :)
gcc versions older than 6.x are masked and I won't support them any more.
