Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> + # Disable FP optimizations that cause isinf errors on gcc 4.5+
> + PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
Looks sane to me, except "isinf errors" is an awfully narrow reading of
the problem. Maybe just say "assorted errors"? Also, do we know that
gcc 4.5 poses the issue? I'm only aware of reports for 4.6 and 4.7.
> I guess we should backpatch it?
+1. Back branches will see these same problems as soon as anybody
tries to compile them with latest-n-greatest gcc.
regards, tom lane