After wrestling with my PNG plugin (and beta testers) I've discovered
and verified that libpng (version 1.2.12) itself is causing the crash
- or apparently, an incompatibility with libpng and Apple's GCC Intel
compiler.
I suspected libpng's x86 ASM/MMX code was to blame and switched those
off, which worked for some PNG files but not others, then I
discovered the libpng 1.2.13beta1 release <http://sourceforge.net/
project/shownotes.php?release_id=452282&group_id=5624> with the
release note "Avoid compiler bug on Intel Mac." but it seems all that
release does is turn off the ASM/MMX path, and according to beta
testers it crashes just as well :/
I know a few people on this list use libpng in their plugins, so I'm
wondering if anyone would care to share a solution. Are you using an
older version (1.2.8)? Is there a compiler setting that fixes/
prevents this bug? Please throw me a bone - without an Intel Mac to
properly debug I've got little hope of fixing this on my own.
Thanks,
Frank.
<http://developer.chaoticbox.com/>
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