You receive this bug because this package does not respect my system's CC (x86_64-pc-linux-gnu-gcc) and calls directly /usr/bin/gcc(or similar) 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)" From the build log: libtool: link: gcc -o /var/tmp/portage/app-text/liblangtag-0.5.1/work/liblangtag-0.5.1_build/liblangtag-gobject/tmp-introspect_3XGJF/.libs/LangTag-0.5 -march=native -O2 -g0 -pipe -Wall -Wmissing-prototypes /var/tmp/portage/app-text/liblangtag-0.5.1/work/liblangtag-0.5.1_build/liblangtag-gobject/tmp-introspect_3XGJF/LangTag-0.5.o -Wl,--export-dynamic -pthread -Wl,--export-dynamic -L. ./.libs/liblangtag-gobject.so /var/tmp/portage/app-text/liblangtag-0.5.1/work/liblangtag-0.5.1_build/liblangtag/.libs/liblangtag.so -ldl -lxml2 -lgio-2.0 -lgobject-2.0 -lgthread-2.0 -lgmodule-2.0 -lrt -lglib-2.0 -pthread
Its taking only on introspection, no clue how that thing works. Lets ask gnome.
*** This bug has been marked as a duplicate of bug 463846 ***