On Sat, Apr 06, 2002 at 09:46:27AM +0200, Giuseppe Della Ricca wrote:
> Hi !
> 
> I have PNG installed on my RH7.2 Linux box, but configure fails checking 
> png.h, with the error (from config.log):
> 
> configure:3308: checking for png.h
> configure:3318: gcc -E   -lz -lm conftest.c >/dev/null 2>conftest.out
> gcc: -lz: linker input file unused since linking not done
> gcc: -lm: linker input file unused since linking not done
> configure: failed program was:
> #line 3313 "configure"
> #include "confdefs.h"
> #include <png.h>
> 
> The problem seems to be around line 3301 of configure:
>     CPPFLAGS="$CPPFLAGS -lz -lm"
> Changing it to
>     CPPFLAGS="$CPPFLAGS"
> fixes it (but I don't know how to propagate the fix to the right place in 
> configure.in, sorry ....).
>

I think this is fixed now I've inverted two parameters of smr_CHECK_LIB
(defined in acinclude.m4).

Olivier
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