https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64572
--- Comment #23 from howarth at bromo dot med.uc.edu --- The failures in Comment 8 at -m32 on x86_64 darwin appear to be eliminated with this change... Index: libffi/include/ffi.h.in =================================================================== --- libffi/include/ffi.h.in (revision 219681) +++ libffi/include/ffi.h.in (working copy) @@ -494,7 +494,11 @@ void ffi_call(ffi_cif *cif, #define FFI_TYPE_COMPLEX 15 /* This should always refer to the last type code (for sanity checks) */ +#ifdef FFI_TARGET_HAS_COMPLEX_TYPE #define FFI_TYPE_LAST FFI_TYPE_COMPLEX +#else +#define FFI_TYPE_LAST FFI_TYPE_POINTER +#endif #ifdef __cplusplus } which I guess makes sense as Darwin doesn't support FFI_TARGET_HAS_COMPLEX_TYPE. Test Run By root on Thu Jan 15 14:52:03 2015 Native configuration is x86_64-apple-darwin14.1.0 === libffi tests === Schedule of variations: unix/-m32 Running target unix/-m32 Using /sw/share/dejagnu/baseboards/unix.exp as board description file for target. Using /sw/share/dejagnu/config/unix.exp as generic interface file for target. Using /sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20150115/libffi/testsuite/config/default.exp as tool-and-target-specific interface file. Running /sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20150115/libffi/testsuite/libffi.call/call.exp ... Running /sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20150115/libffi/testsuite/libffi.complex/complex.exp ... Running /sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20150115/libffi/testsuite/libffi.go/go.exp ... Running /sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20150115/libffi/testsuite/libffi.special/special.exp ... === libffi Summary === # of expected passes 1904 # of unsupported tests 30