Hello there I have 2 broad level question . 1. Whether it is compulsory to build all the library inside gcc source rpm .If yes what are the configure options that helps in building or not building the library . 2.Do I need to build gcc in 1 one pass or 2 pass if building the cross compiler for linux DFLAGS="-Wl,-rpath,/local/gagupta/gccfolder" \ ${SOURCES_GCC}/configure \ --prefix=${CLFS_CROSS_TOOLS} --target=${CLFS_TARGET} --disable-decimal-float --with-sysroot=${CLFS} --with-native-system-header-dir=${CLFS}/usr --enable-languages=c,c++,objc,obj-c++ --enable-shared --disable-nls --disable-libgomp --enable-__cxa_atexit --enable-long-long --disable-libmudflap --enable-threads=posix --enable-checking=release --enable-c99 make[2]: Leaving directory `/local/gagupta/gccfolder/crosscompile/gcc-build/libiberty' I am still getting these error .I have extracted stdc++ rpm in my sysroot. /bin/sh: line 3: cd: x86_64-redhat-linux-gnu/libstdc++-v3: No such file or directory make[1]: *** [install-target-libstdc++-v3] Error 1 make[1]: Leaving directory `/local/gagupta/gccfolder/crosscompile/gcc-build' make: *** [install] Error 2 pwd [1]+ Exit 2 Thanks Gaurav