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gcc-4.9.4: packages looks for gcc-4.9.3 = Fatal error
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marax_faraii
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Joined: 11 Apr 2016
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PostPosted: Wed Dec 28, 2016 1:57 am    Post subject: gcc-4.9.4: packages looks for gcc-4.9.3 = Fatal error Reply with quote

Hi guys,

I've had some issues compiling some programs and when going through the builld log I saw that they were looking for sys-devel/gcc-4.9.3 and since no file or directory were found there was a fatal error and compilation failed.

List of failed compilations
kde-apps/kmail-16.12.0-r1
media-gfx/digikam-5.3.0-r1
kde-apps-kdepim-16.12.0-r1


Installing gcc-4.9.3 solved those issues but I'm just wondering since if I'm not mistaken the upgrade to 4.9.4 --depclean removed the previous version.

gcc-config -l
[1] x86_64-pc-linux-gnu-4.9.3
[2] x86_64-pc-linux-gnu-4.9.4 *


Also, as you see I'm not using 4.9.3 as default compiler but having it installed suffice.

Part of build log from kde-apps/kmail-16.12.0-r1

Code:
In file included from /usr/include/KF5/AkonadiCore/exception.h:28:0,
                 from /usr/include/KF5/AkonadiCore/item.h:26,
                 from /usr/include/KF5/AkonadiAgentBase/agentbase.h:28,
                 from /var/tmp/portage/kde-apps/kmail-16.12.0-r1/work/kmail-16.12.0/agents/sendlateragent/sendlateragent.h:23,
                 from /var/tmp/portage/kde-apps/kmail-16.12.0-r1/work/kmail-16.12.0/agents/sendlateragent/sendlateragent.cpp:20:
/usr/include/KF5/AkonadiCore/std_exception.h:1:75: fatal error: /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/include/g++-v4/exception: No such file or directory
 #include "/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/include/g++-v4/exception"


So to the actual question, since the programs build using version 4.9.4 merely by having 4.9.3 installed or is the version of gcc automatically detected and used when compiling those programs?

Apologies for the crappy title.

Thanks
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Jaglover
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PostPosted: Wed Dec 28, 2016 2:03 am    Post subject: Reply with quote

Code:
gcc -v

What version is printed?
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marax_faraii
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PostPosted: Wed Dec 28, 2016 2:04 am    Post subject: Reply with quote

Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.4/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.9.4/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /var/tmp/portage/sys-devel/gcc-4.9.4/work/gcc-4.9.4/configure --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.4 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.4/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.4 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.4/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.4/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.4/include/g++-v4 --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.9.4/python --enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt --disable-werror --with-system-zlib --enable-nls --without-included-gettext --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.9.4 p1.0, pie-0.6.4' --enable-libstdcxx-time --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-multilib --with-multilib-list=m32,m64 --disable-altivec --disable-fixed-point --enable-targets=all --disable-libgcj --enable-libgomp --disable-libmudflap --disable-libssp --disable-libcilkrts --enable-vtable-verify --enable-libvtv --enable-lto --without-cloog --enable-libsanitizer
Thread model: posix
gcc version 4.9.4 (Gentoo 4.9.4 p1.0, pie-0.6.4)
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