make menuconfig
/usr/src/linux-2.6.15.3/scripts/gcc-version.sh: line 11: gcc: command not found
/usr/src/linux-2.6.15.3/scripts/gcc-version.sh: line 12: gcc: command not found
  HOSTCC  scripts/basic/fixdep
/bin/sh: gcc: command not found
make[1]: *** [scripts/basic/fixdep] Error 127
make: *** [scripts_basic] Error 2