I'll fix it and report back.
OK - the package on Sourceforge is updated. BerliOS will take some time - this is a very lame server. But if you want to, grab it from Sourceforge. I'd be glad to hear if its working this time... and sorry for the inconvenience.
I downloaded CodeBlocks-12.11-SP1-mac.zip from sourceforge and am getting the same error as MortenMacFly. I am running Mountain Lion (10.8.2) as well.
Process: CodeBlocks [10341]
Path: /Applications/CodeBlocks.app/Contents/MacOS/CodeBlocks
Identifier: org.codeblocks.app
Version: CodeBlocks version 12.11 (CodeBlocks version 12.11)
Code Type: X86 (Native)
Parent Process: launchd [240]
User ID: 501
Date/Time: 2013-01-16 11:13:45.388 -0500
OS Version: Mac OS X 10.8.2 (12C60)
Report Version: 10
Interval Since Last Report: 4659211 sec
Crashes Since Last Report: 290
Per-App Crashes Since Last Report: 4
Anonymous UUID: 4858C6D9-9EB7-0961-9699-880ECE29E4A0
Crashed Thread: 0
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Application Specific Information:
dyld: launch, loading dependent libraries
Dyld Error Message:
Library not loaded: /usr/lib/libwx_macu-2.8.0.dylib
Referenced from: /Applications/CodeBlocks.app/Contents/MacOS/libcodeblocks.dylib
Reason: image not found
Binary Images:
0x1000 - 0xf8ffb +org.codeblocks.app (CodeBlocks version 12.11 - CodeBlocks version 12.11) <0AA2CE36-3A8B-02D6-2177-813378DDD4D1> /Applications/CodeBlocks.app/Contents/MacOS/CodeBlocks
0x1a3000 - 0x77fff3 +libwx_macu-2.8.dylib (9) <FAE7287B-C418-921B-087F-A1A1CA807D57> /Applications/CodeBlocks.app/Contents/MacOS/libwx_macu-2.8.dylib
0x9f4000 - 0xe95ffb +libcodeblocks.dylib (0) <CF358FB6-A656-8699-FB0A-313C4E38D2BF> /Applications/CodeBlocks.app/Contents/MacOS/libcodeblocks.dylib
0x132f000 - 0x13bdffb +libwxpropgrid.dylib (0) <1E907220-B25A-EE73-F1EB-89A9B02EBEBA> /Applications/CodeBlocks.app/Contents/MacOS/libwxpropgrid.dylib
0x145e000 - 0x157cff3 com.apple.WebKit (8536 - 8536.26.14) <C98F734D-D579-3F89-9A58-9EE890B1748E> /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit
0x162d000 - 0x1643ffc libexpat.1.dylib (12) <D4F1FD2B-F75A-322C-843E-113EF5F8EEAF> /usr/lib/libexpat.1.dylib
0x164c000 - 0x22dbff3 com.apple.WebCore (8536 - 8536.26.14) <82E97E6B-3F31-39A7-B41F-CD308E6EF238> /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore
0x8fedf000 - 0x8ff11e57 dyld (210.2.3) <23516BE4-29BE-350C-91C9-F36E7999F0F1> /usr/lib/dyld
0x90007000 - 0x9000efff libsystem_dnssd.dylib (379.32.1) <6A505284-2382-3F27-B96F-15FFDACF004E> /usr/lib/system/libsystem_dnssd.dylib
0x90016000 - 0x9001affc libGIF.dylib (845) <714E9F0D-D7A3-3F58-B46E-FCBE0F144B23> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
(cut for length)