https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91092
--- Comment #7 from Florian Weimer <fw at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #5) > Would an ugly but pragmatic approach be possible? e.g. if the first line of > the translation unit is "/* confdefs.h */ then assume GCC is being invoked > by configure, and only warn instead of giving an error. As far as ugly hacks go, examining the file name is probably easier (I've only seen conftest.c so far).
