Revert recent libpng changes.
commit1ba5e5e270a36ce3938f32d5536df30f73ff9445
authorPaul Eggert <eggert@cs.ucla.edu>
Sun, 4 May 2014 18:51:32 +0000 (4 11:51 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Sun, 4 May 2014 18:51:32 +0000 (4 11:51 -0700)
tree74ef2256f4244f964fd18927b0a2b2de2902e6f2
parent3c3ef069632c75b6446c9d006038ecea27106765
Revert recent libpng changes.

They fix only bugs that aren't being reported, so it may be better
to do them on the trunk.
* configure.ac (PNG_CFLAGS): Remove.  All uses removed.
(LIBPNG): Don't be consistent about -lpng16 versus -lpng.
Ignore libpng-config's exit status.  Always append -lz -lm.
* src/Makefile.in (PNG_CFLAGS): Remove; all uses removed.
* src/image.c [HAVE_LIBPNG_PNG_H]: Include <libpng/png.h>, not <png.h>.
ChangeLog
configure.ac
src/ChangeLog
src/Makefile.in
src/image.c