MKVToolnix keeps crashing on Leopard

[zeropc]

i don't why or how this happened but for about a week mkvtoolnix keeps crashing on startup.

here is the log. maybe someone can figure out what the problem is.

Process: mmg [989]
Path: /Applications/Mkvtoolnix.app/Contents/MacOS/Mkvmmg
Identifier: org.matroska.mkvmerge
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: launchd [177]

Interval Since Last Report: 276 sec
Crashes Since Last Report: 1
Per-App Interval Since Last Report: 0 sec
Per-App Crashes Since Last Report: 1

Date/Time: 2009-05-15 06:18:49.345 +0200
OS Version: Mac OS X 10.5.7 (9J61)
Report Version: 6
Anonymous UUID: 3B37FB45-FFB9-4AFB-B2B9-DFCEC8EC82D9

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 0

Dyld Error Message:
Library not loaded: /opt/local/lib/libpng12.0.dylib
Referenced from: /Applications/Mkvtoolnix.app/Contents/MacOS/../Frameworks/libwx_macu-2.8.0.dylib
Reason: image not found

i tried all current releases for the os x version (2.5 - 2.7) and it keeps crashing.

[J0nThn]

After reworking the build system it should work now.
Thanks to the help of zeropc

I've removed all the bad versions (or at least I think so). And I've uploaded a new 2.8.0 build for Leopard.