Hi , I am having a AMD athlon 32 bit machine in which i am building a independent linux from scratch system and i am getting the following error TARGET_CPU_DEFAULT="" \ HEADERS="ansidecl.h" DEFINES="" \ /bin/sh ../../gcc-4.0.3/gcc/mkconfig.sh tconfig.h /sources/gcc-build-3/gcc/xgcc -B/sources/gcc-build-3/gcc/ -B/usr/i686-pc-linux-gnu/bin/ -B/usr/i686-pc-linux-gnu/lib/ -isystem /usr/i686-pc-linux-gnu/include -isystem /usr/i686-pc-linux-gnu/sys-include -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -I. -I. -I../../gcc-4.0.3/gcc -I../../gcc-4.0.3/gcc/. -I../../gcc-4.0.3/gcc/../include -I../../gcc-4.0.3/gcc/../libcpp/include -g0 -finhibit-size-directive -fno-inline-functions -fno-exceptions -fno-zero-initialized-in-bss -fno-unit-at-a-time -fno-omit-frame-pointer \ -c ../../gcc-4.0.3/gcc/crtstuff.c -DCRT_BEGIN \ -o crtbegin.o In file included from ../../gcc-4.0.3/gcc/crtstuff.c:64: ../../gcc-4.0.3/gcc/tsystem.h:90:19: error: stdio.h: No such file or directory ../../gcc-4.0.3/gcc/tsystem.h:93:23: error: sys/types.h: No such file or directory ../../gcc-4.0.3/gcc/tsystem.h:96:19: error: errno.h: No such file or directory ../../gcc-4.0.3/gcc/tsystem.h:103:20: error: string.h: No such file or directory ../../gcc-4.0.3/gcc/tsystem.h:104:20: error: stdlib.h: No such file or directory ../../gcc-4.0.3/gcc/tsystem.h:105:20: error: unistd.h: No such file or directory In file included from /sources/gcc-build-3/gcc/include/syslimits.h:7, from /sources/gcc-build-3/gcc/include/limits.h:11, from ../../gcc-4.0.3/gcc/tsystem.h:108, from ../../gcc-4.0.3/gcc/crtstuff.c:64: /sources/gcc-build-3/gcc/include/limits.h:122:61: error: limits.h: No such file or directory In file included from ../../gcc-4.0.3/gcc/crtstuff.c:64: ../../gcc-4.0.3/gcc/tsystem.h:111:18: error: time.h: No such file or directory make[1]: *** [crtbegin.o] Error 1 make[1]: Leaving directory `/sources/gcc-build-3/gcc' make: *** [all-gcc] Error 2 which specifies that the header files are missing in the and i tried make with the option -I /usr/include but still it gave me the same error message. what can i do ...? Regards Deepak -- Code Code Code Away