Re: zlib autoconf question

[Dmitry Antipov]

On 08/08/2013 04:49 PM, Lars Magne Ingebrigtsen wrote:

> Paul Eggert <address@hidden> writes:
>
> > inflateInit2 is a macro that invokes inflateInit2_,
> > a function that user code isn't supposed to call directly.
> > AC_CHECK_LIB can't check for macros, only functions.
> > I'd check for something that's a function, zlibVersion say.
>
> Ah, I see.  Thanks.

Reasonably modern environments should have zlib development
packages with pkg-config data (look for zlib.pc on your system),
so you can consider something like below:

PKG_CHECK_MODULES(ZLIB, zlib >= 1.2, HAVE_ZLIB=yes, HAVE_ZLIB=no)

Dmitry