You receive this bug because this package does not respect my system's CC ( x86_64-pc-linux-gnu-gcc - /usr/bin/x86_64-pc-linux-gnu-gcc ) and calls directly gcc -/usr/bin/gcc The possible solutions to fix this issue are: 1)Fix the buildsystem, if you can 2)inherit toolchain-funcs and use tc-export CC 3)inherit toolchain-funcs and use emake CC="$(tc-getCC)" gcc -o build/about.o -c -O2 -std=c99 -Wall -g -Wl,--export-dynamic -DVERSION=\"3.6.2\" -DGLOSUNG_DATA_DIR=\"/usr/share/glosung\" -DPACKAGE_PIXMAPS_DIR=\"/usr/share/glosung/\" -DG_DISABLE_ASSERT -pthread -DORBIT2=1 -I. -Ibuild -I/usr/include/gtk-2.0 -I/usr/lib64/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng15 -I/usr/include/libdrm -I/usr/include/libxml2 -I/usr/include/gconf/2 -I/usr/include/orbit-2.0 build/about.c If you want the complete build.log: https://453586.bugs.gentoo.org/attachment.cgi?id=336520
Should be fixed in glosung 3.6.2-r1, please test and reopen if there are any problems.