Someone

echo | /home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0-initial/./gcc/xgcc -B/home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0-initial/./gcc/ -B/home/emil/svn/buildroot/build_i386/staging_dir/usr/i386-linux-uclibc/bin/ -B/home/emil/svn/buildroot/build_i386/staging_dir/usr/i386-linux-uclibc/lib/ -isystem /home/emil/svn/buildroot/build_i386/staging_dir/usr/i386-linux-uclibc/include -isystem /home/emil/svn/buildroot/build_i386/staging_dir/usr/i386-linux-uclibc/sys-include -E -dM - | \
          sed -n -e 's/^#define \([^_][a-zA-Z0-9_]*\).*/\1/p' \
                 -e 's/^#define \(_[^_A-Z][a-zA-Z0-9_]*\).*/\1/p' | \
          sort -u > tmp-macro_list
/bin/sh /home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0/gcc/../move-if-change tmp-macro_list macro_list
echo timestamp > s-macro_list
The directory that should contain system headers does not exist:
  /home/emil/svn/buildroot/toolchain_build_i386/uClibc_dev//usr/include
make[2]: *** [stmp-fixinc] Error 1
make[2]: Leaving directory `/home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0-initial/gcc'
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory `/home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0-initial'
make: *** [/home/emil/svn/buildroot/toolchain_build_i386/gcc-4.2.0-initial/.compiled] Error 2

real    9m3.516s
user    7m13.171s
sys     0m39.746s
emil@PC-EK:~/svn/buildroot$