>> ../../gcc-4.7.2/gcc/config/mips/gnu-user.h:94:309: warning: missing >> terminating " character [enabled by default]
> Can you check what’s in that file, in the build tree? Presumably the > LIB_SPEC patching in base.scm doesn’t work as expected. #define LIB_SPEC "-L/nix/store/7ya3mh0987kmc9xkwxzapkpw4s4hzkz0-glibc-2.17/lib %{!static:-rpath=/nix/store/7ya3mh0987kmc9xkwxzapkpw4s4hzkz0-glibc-2.17/lib %{!static-libgcc:-rpath=/nix/store/n4blfp5bz6lvx9w9afn1i9c9v7akjnns-gcc-4.7.2/lib64 -rpath=/nix/store/n4blfp5bz6lvx9w9afn1i9c9v7akjnns-gcc-4.7.2/lib}} " "\
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