mklib: Making Linux shared library:  libGLw.so.1.0.0
/usr/lib/gcc/i686-pc-linux-gnu/3.4.4/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lXt
collect2: ld returned 1 exit status
mklib: Installing libGLw.so.1.0.0 libGLw.so.1 libGLw.so in ../../lib
mv: cannot stat `libGLw.so.1.0.0': No such file or directory
make[3]: *** [../../lib/libGLw.so] Error 1
make[3]: Leaving directory `/var/tmp/portage/mesa-6.4.2-r2/work/Mesa-6.4.2/src/glw'
make[2]: *** [subdirs] Error 1
make[2]: Leaving directory `/var/tmp/portage/mesa-6.4.2-r2/work/Mesa-6.4.2/src'
make[1]: *** [default] Error 1
make[1]: Leaving directory `/var/tmp/portage/mesa-6.4.2-r2/work/Mesa-6.4.2'
make: *** [linux-dri-x86] Error 2

!!! ERROR: media-libs/mesa-6.4.2-r2 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  mesa-6.4.2-r2.ebuild, line 236:   Called die