Hi list! I can't build older gcc on archlinux 64. I want to build gcc with bounds checking patches. Bu first I want to test the build without the patches. $ ~/gcc-4.0.2/configure --disable-multilib $ make BOOT_CFLAGS="-O2" STAGE1_CFLAGS="-O2" CFLAGS="-O2" bootstrap ... checking for C compiler default output file name... configure: error: C compiler cannot create executables See `config.log' for more details. make[1]: *** [configure-fixincludes] Error 1 $ less fixincludes/config.log configure:1782: gcc -O2 conftest.c >&5 /usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.3/cc1: /home/il/build_4.0.2_dir/gcc/libgcc_s.so.1: version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)