I am trying to build gfortran 4.6, I am using the following installation procedure cd gcc-4.6 ./contrib/download_prerequisites cd .. mkdir objdir cd objdir $PWD/../gcc-4.6/configure --prefix=/opt/gcc-4.6 --disable-multilib make In file included from /home/pmdtest/objdir/./gcc/include-fixed/features.h:361:0, from /usr/include/stdio.h:28, from ../../../../gcc-4.6-20130118/libgcc/../gcc/tsystem.h:87, from ../../../../gcc-4.6-20130118/libgcc/../gcc/libgcc2.c:29: /usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such file or directory compilation terminated. Please Advise! Ahsan