sr/include/gconf/2 -I/usr/include/orbit-2.0 -I/usr/include/gnome-vfs-module-2.0 -march=k8 -O2 -pipe -MT mime-handlers.lo -MD -MP -MF .deps/mime-handlers.Tpo -c mime-handlers.cc  -fPIC -DPIC -o .libs/mime-handlers.o
if /bin/sh ../../libtool --tag=CXX --mode=compile x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -DG_LOG_DOMAIN=\"libgnomevfsmm\"  -I../../libgnomevfs -I../../libgnomevfs -pthread -DORBIT2=1 -I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/gnome-vfs-2.0 -I/usr/lib64/gnome-vfs-2.0/include -I/usr/include/gconf/2 -I/usr/include/orbit-2.0 -I/usr/include/gnome-vfs-module-2.0    -march=k8 -O2 -pipe -MT transfer.lo -MD -MP -MF ".deps/transfer.Tpo" -c -o transfer.lo transfer.cc; \
        then mv -f ".deps/transfer.Tpo" ".deps/transfer.Plo"; else rm -f ".deps/transfer.Tpo"; exit 1; fi
../../libgnomevfs/libgnomevfsmm/mime-handlers.h:75: error: expected constructor, destructor, or type conversion before '*' token
make[4]: *** [mime-handlers.lo] Virhe 1
make[4]: *** Odotetaan keskeneräisiä töitä....
 x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -DG_LOG_DOMAIN=\"libgnomevfsmm\" -I../../libgnomevfs -I../../libgnomevfs -pthread -DORBIT2=1 -I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/gnome-vfs-2.0 -I/usr/lib64/gnome-vfs-2.0/include -I/usr/include/gconf/2 -I/usr/include/orbit-2.0 -I/usr/include/gnome-vfs-module-2.0 -march=k8 -O2 -pipe -MT transfer.lo -MD -MP -MF .deps/transfer.Tpo -c transfer.cc  -fPIC -DPIC -o .libs/transfer.o
make[4]: Poistutaan hakemistosta "/var/tmp/portage/dev-cpp/gnome-vfsmm-2.12.0/work/gnome-vfsmm-2.12.0/libgnomevfs/libgnomevfsmm"
make[3]: *** [all-recursive] Virhe 1
make[3]: Poistutaan hakemistosta "/var/tmp/portage/dev-cpp/gnome-vfsmm-2.12.0/work/gnome-vfsmm-2.12.0/libgnomevfs/libgnomevfsmm"
make[2]: *** [all-recursive] Virhe 1
make[2]: Poistutaan hakemistosta "/var/tmp/portage/dev-cpp/gnome-vfsmm-2.12.0/work/gnome-vfsmm-2.12.0/libgnomevfs"
make[1]: *** [all] Virhe 2
make[1]: Poistutaan hakemistosta "/var/tmp/portage/dev-cpp/gnome-vfsmm-2.12.0/work/gnome-vfsmm-2.12.0/libgnomevfs"
make: *** [all-recursive] Virhe 1

!!! ERROR: dev-cpp/gnome-vfsmm-2.12.0 failed.
Call stack:
  ebuild.sh, line 1568:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  gnome-vfsmm-2.12.0.ebuild, line 30:   Called gnome2_src_compile
  gnome2.eclass, line 64:   Called die

!!! compile failure
!!! If you need support, post the topmost build error, and the call stack if relevant.

There's finnish language in it.
PerformanceBoy @ Freenode
My CFLAGS = -march=k8 -O2 -pipe, and CXXFLAGS are the same.