On 09/20/2014 06:19 PM, David A. Wheeler wrote:
> I *think* that AC_USE_SYSTEM_EXTENSIONS has a bug; it seems to ignore
> conditionals.
Not a bug, but a feature.
>
> E.G., given this configure.ac:
>
> AC_PREREQ([2.63])
> AC_INIT([bug], [0.01])
> AC_CONFIG_HEADERS([config.h])
> AS_IF([test
On Mon, 22 Sep 2014 08:51:52 -0600, Eric Blake wrote:
> I don't think what you are asking for is possible. Either you want to
> use extensions (and just use the macro) or you don't. I don't really
> see a use case for wanting extensions on only some of the builds.
I want to write code that will
On 09/22/2014 09:07 AM, David A. Wheeler wrote:
I want to write code that will*use* extensions where available, but will
portably run on
systems that don't have the extensions.
That sounds like a reasonable thing to do, but unfortunately autoconf
doesn't support it directly. The best workar
On 09/22/2014 10:07 AM, David A. Wheeler wrote:
> On Mon, 22 Sep 2014 08:51:52 -0600, Eric Blake wrote:
>> I don't think what you are asking for is possible. Either you want to
>> use extensions (and just use the macro) or you don't. I don't really
>> see a use case for wanting extensions on onl
