[Poppler-bugs] [Bug 25843] New: Poppler does not detect libpng

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=25843

           Summary: Poppler does not detect libpng
           Product: poppler
           Version: unspecified
          Platform: All
        OS/Version: Windows (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: carlo.bramix at libero.it


Poppler does not detect the presence of libpng in mingw+msys and cygwin.
I believe it would be probably better to trash m4/libpng.m4 and simply poll
libpng-config script for cflags and ldflags related to libpng.
Adding options like "--with-libpng-cflags=..." and "--with-libpng-ldflags=..."
will be useful to manually force these properties.
Alternatively, instead of adding these options, the script could just test if
LIBPNG_LIBS and LIBPNG_INCS are not empty, which means that those macros are
declared externally.
A small verification test could also be done later to verify if retrieved
options are good.


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