Tom Lane wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
> > On 9/24/14 9:21 AM, Tom Lane wrote:
> >> Agreed, but what about non-GCC compilers?
>
> > Stick AC_PROG_CC_C99 into configure.in.
>
> I think that's a bad idea, unless you mean to do it only on Solaris.
> If we do that unconditionally, we will pretty much stop getting any
> warnings about C99-isms on modern platforms. I am not aware that
> there has been any agreement to move our portability goalposts up
> to C99.
AFAIK we cannot move all the way to C99, because MSVC doesn't support
it. Presumably we're okay on the isinf() front because MSVC inherited
it from somewhere else (it's on BSD 4.3 according to my Linux manpage),
but other things are known not to work.
--
Álvaro Herrera http://www.2ndQuadrant.com/
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