Hey there,
had the same log message as joyboy. so i downloaded the frameworks (sdl, sdl_image, sdl_mixer) and put them manually into the ufoai.app. now the app stays in the dock, but it still does not start and i have to terminate it. here is the log entry i usually get:
Date/Time: 2012-01-04 13:44:40 +0100
OS Version: 10.6.8 (Build 10K549)
Architecture: x86_64
Report Version: 7
Command: UFO: Alien Invasion
Path: /Applications/UFOAI.app/Contents/MacOS/ufo
Version: 2.3.1 (2.3.1)
Parent: launchd [136]
PID: 38100
Event: hang
Duration: 5.21s (sampling started after 2 seconds)
Steps: 12 (100ms sampling interval)
Pageins: 1
Pageouts: 0
Process: ufo [38100]
Path: /Applications/UFOAI.app/Contents/MacOS/ufo
UID: 501
Thread ffaa8 DispatchQueue 100
User stack:
12 start + 54 (in ufo) [0x2886]
12 main + 247 (in ufo) [0x16a794]
12 Qcommon_Init + 1563 (in ufo) [0xfac33]
12 CL_Init + 508 (in ufo) [0x147bc]
12 VID_Init + 704 (in ufo) [0x1aaaa]
12 R_Init + 203 (in ufo) [0x13c376]
12 Rimp_Init + 1038 (in ufo) [0x15b6bc]
12 R_SetMode + 264 (in ufo) [0x13acf6]
12 R_InitGraphics + 413 (in ufo) [0x15ba18]
12 SDL_SetVideoMode + 528 (in libSDL-1.2.0.dylib) [0x107262d0]
12 QZ_SetVideoMode + 1730 (in libSDL-1.2.0.dylib) [0x10730702]
12 -[NSWindow makeKeyAndOrderFront:] + 39 (in AppKit) [0x9549b8ed]
12 -[NSWindow _makeKeyRegardlessOfVisibility] + 128 (in AppKit) [0x9549b9a7]
12 -[NSWindow makeKeyWindow] + 72 (in AppKit) [0x9549ba38]
12 -[NSWindow _changeKeyAndMainLimitedOK:] + 810 (in AppKit) [0x9549bd7b]
12 SDL_SoftStretch + 26562 (in SDL) [0x109173f2]
12 -[NSWindow becomeKeyWindow] + 1359 (in AppKit) [0x9549c832]
12 -[NSNotificationCenter postNotificationName:object:] + 56 (in Foundation) [0x987ca05d]
12 -[NSNotificationCenter postNotificationName:object:userInfo:] + 128 (in Foundation) [0x987bcc50]
12 _CFXNotificationPostNotification + 186 (in CoreFoundation) [0x9307e16a]
12 __CFXNotificationPost + 947 (in CoreFoundation) [0x9307e763]
12 _nsnote_callback + 176 (in Foundation) [0x987c7db3]
12 SDL_SoftStretch + 9344 (in SDL) [0x109130b0]
12
[0xffffffff]
12 _sigtramp + 43 (in libSystem.B.dylib) [0x905a405b]
12 SDL_Parachute + 31 (in libSDL-1.2.0.dylib) [0x106faa0f]
12 SDL_Quit + 18 (in libSDL-1.2.0.dylib) [0x106fa3f2]
12 SDL_QuitSubSystem + 85 (in libSDL-1.2.0.dylib) [0x106fa335]
12 SDL_VideoQuit + 75 (in libSDL-1.2.0.dylib) [0x10725c5b]
12 QZ_VideoQuit + 87 (in libSDL-1.2.0.dylib) [0x1072f8a7]
12 QZ_UnsetVideoMode + 173 (in libSDL-1.2.0.dylib) [0x1072edad]
12 -[NSWindow _close] + 430 (in AppKit) [0x956b71d1]
12 -[NSWindow orderOut:] + 50 (in AppKit) [0x95527015]
12 -[NSWindow orderWindow:relativeTo:] + 105 (in AppKit) [0x9549e161]
12 -[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 2604 (in AppKit) [0x9549ebee]
12 HideWindow + 154 (in HIToolbox) [0x90e6d659]
12 _ShowHideWindows + 489 (in HIToolbox) [0x90bc63fe]
12 SetUserFocusWindow + 318 (in HIToolbox) [0x90c2be0d]
12 SendSimpleWindowEvent + 94 (in HIToolbox) [0x90bc0af8]
12 SendEventToEventTargetWithOptions + 58 (in HIToolbox) [0x90ba0d55]
12 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 411 (in HIToolbox) [0x90ba0ef6]
12 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1567 (in HIToolbox) [0x90ba1c2f]
12 carbonAppWindowHandler + 1343 (in AppKit) [0x95b33364]
12 -[NSWindow resignKeyWindow] + 433 (in AppKit) [0x9556d122]
12 -[NSNotificationCenter postNotificationName:object:] + 56 (in Foundation) [0x987ca05d]
12 -[NSNotificationCenter postNotificationName:object:userInfo:] + 128 (in Foundation) [0x987bcc50]
12 _CFXNotificationPostNotification + 186 (in CoreFoundation) [0x9307e16a]
12 __CFXNotificationPost + 947 (in CoreFoundation) [0x9307e763]
12 _nsnote_callback + 176 (in Foundation) [0x987c7db3]
12 SDL_SoftStretch + 9628 (in SDL) [0x109131cc]
Kernel stack:
9 lo_alltraps + 298 [0x2a18da]
9 user_trap + 851 [0x2ab8ef]
9 exception_triage + 222 [0x21be55]
9 exception_deliver + 490 [0x21bb23]
9 mach_exception_raise + 179 [0x23df2b]
9 mach_msg_rpc_from_kernel_proper + 39 [0x21e3d2]
5 mach_msg_rpc_from_kernel_body + 384 [0x21e2d7]
5 ipc_mqueue_receive + 101 [0x211dd0]
5 thread_block + 33 [0x227654]
5 thread_block_reason + 331 [0x2275c6]
5 thread_dispatch + 1966 [0x227327]
5 machine_switch_context + 659 [0x2a9adb]
2 mach_msg_rpc_from_kernel_body + 205 [0x21e224]
2 ipc_kmsg_send + 420 [0x210bc1]
2 ipc_mqueue_send + 423 [0x2113dd]
2 ipc_mqueue_post + 545 [0x21121c]
2 ml_set_interrupts_enabled + 47 [0x2a45e3]
1 _enable_preemption + 17 [0x29aca1]
1 kernel_preempt_check + 70 [0x2aac45]
1 ml_set_interrupts_enabled + 47 [0x2a45e3]
1 mach_msg_rpc_from_kernel_body + 41 [0x21e180]
1 ipc_kmsg_get_from_kernel + 341 [0x21088c]
2 lo_allintrs + 302 [0x2a1c2e]
2 interrupt + 192 [0x2ab423]
2 lapic_interrupt + 108 [0x2b32f2]
2 mp_kdp_exit + 868 [0x2b4560]
2 sync_iss_to_iks + 124 [0x2aabf6]
1 lo_alltraps + 454 [0x2a1976]
1 i386_astintr + 47 [0x2aacb4]
1 ast_taken + 247 [0x219432]
1 bsd_ast + 824 [0x48fed2]
Thread ffaaf DispatchQueue 1634545000
User stack:
12 start_wqthread + 30 (in libSystem.B.dylib) [0x905635c6]
12 _pthread_wqthread + 390 (in libSystem.B.dylib) [0x90563781]
12 _dispatch_worker_thread2 + 240 (in libSystem.B.dylib) [0x90563cfe]
12 _dispatch_queue_invoke + 163 (in libSystem.B.dylib) [0x90563f59]
12 kevent + 10 (in libSystem.B.dylib) [0x90564382]
Kernel stack:
12 kevent + 97 [0x47a699]
Binary Images:
0x1000 - 0x21efe7 net.sourceforge.UFOAI 2.3.1 (2.3.1) <E47AB43D-FB4C-D6EF-14EB-D4F46232C14F> /Applications/UFOAI.app/Contents/MacOS/ufo
0x106f9000 - 0x10756f7b libSDL-1.2.0.dylib
(
) <C1E30738-A33B-A73C-6DE6-C3CB0C708B68> /Applications/UFOAI.app/Contents/MacOS/../Libraries/libSDL-1.2.0.dylib
0x108de000 - 0x10943f17 SDL 1.2.14 (1.2.14) <FA2F2FC9-E936-DD87-FBB0-F5052D5CDAB8> /Applications/UFOAI.app/Contents/MacOS/../Frameworks/SDL.framework/Versions/A/SDL
0x9053d000 - 0x906e4ff7 libSystem.B.dylib
(
) <2DCD13E3-1BD1-6F25-119A-3863A3848B90> /usr/lib/libSystem.B.dylib
0x90b9a000 - 0x90ebefef com.apple.HIToolbox 1.6.5 (
) <21164164-41CE-61DE-C567-32E89755CB34> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
0x93023000 - 0x9319efe7 com.apple.CoreFoundation 6.6.6 (550.44) <F88C95CD-1264-782D-A1F5-204739847E93> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x9545f000 - 0x95d42ff7 com.apple.AppKit 6.6.8 (1038.36) <A353465E-CFC9-CB75-949D-786F6F7732F6> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x987b2000 - 0x98a23fef com.apple.Foundation 6.6.8 (751.63) <69B3441C-B196-F2AD-07F8-D8DD24E4CD8C> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
Hope it helps.