The 12 warnings:
Build iPhone of project iPhone with configuration Release
CompileC build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFAsyncSocket.o OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m normal armv6 objective-c com.apple.compilers.gcc.4_2
cd /Volumes/Untitled/bb/XCode/GLBasic
setenv LANG en_US.US-ASCII
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x objective-c -arch armv6 -fmessage-length=0 -pipe -std=c99 -Wno-trigraphs -fpascal-strings -Os -mdynamic-no-pic -Wreturn-type -Wunused-variable -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk -fvisibility=hidden -gdwarf-2 -miphoneos-version-min=3.0 -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-generated-files.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-own-target-headers.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-all-target-headers.hmap -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-project-headers.hmap -F/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -I/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos/include -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources/armv6 -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources -include /var/folders/Cl/ClSMSSrSGF0P3e-zKM94Lk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/iPhone_Prefix-ddgifpxrnqqhlweloeavygdoushm/iPhone_Prefix.pch -c /Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m -o /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFAsyncSocket.o
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m: In function '-[OFAsyncSocket connectToHost:onPort:withTimeout:error:]':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m:977: warning: format not a string literal and no format arguments
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m:983: warning: format not a string literal and no format arguments
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m: In function '-[OFAsyncSocket connectToAddress:withTimeout:error:]':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m:1025: warning: format not a string literal and no format arguments
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFAsyncSocket.m:1031: warning: format not a string literal and no format arguments
CompileC build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFPresenceService.o OpenFeint/api/internal/OpenFeint/Presence/OFPresenceService.mm normal armv6 objective-c++ com.apple.compilers.gcc.4_2
cd /Volumes/Untitled/bb/XCode/GLBasic
setenv LANG en_US.US-ASCII
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x objective-c++ -arch armv6 -fmessage-length=0 -pipe -Wno-trigraphs -fpascal-strings -Os -mdynamic-no-pic -Wreturn-type -Wunused-variable -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk -fvisibility=hidden -fvisibility-inlines-hidden -gdwarf-2 -miphoneos-version-min=3.0 -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-generated-files.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-own-target-headers.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-all-target-headers.hmap -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-project-headers.hmap -F/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -I/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos/include -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources/armv6 -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources -include /var/folders/Cl/ClSMSSrSGF0P3e-zKM94Lk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/iPhone_Prefix-axpyzookfhpfytdubcbkdenorccs/iPhone_Prefix.pch -c /Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFPresenceService.mm -o /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFPresenceService.o
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFPresenceService.mm: In function 'void -[OFPresenceService sendHttpRequest:](OFPresenceService*, objc_selector*, NSString*)':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/OpenFeint/Presence/OFPresenceService.mm:437: warning: multiple methods named '-start' found
/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSThread.h:59: warning: using '-(void)start'
/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk/System/Library/Frameworks/UIKit.framework/Headers/UITextInput.h:168: warning: also found '-(UITextPosition *)start'
CompileC build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/FBRequest.o OpenFeint/api/internal/Vendor/FBconnect/FBRequest.m normal armv6 objective-c com.apple.compilers.gcc.4_2
cd /Volumes/Untitled/bb/XCode/GLBasic
setenv LANG en_US.US-ASCII
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x objective-c -arch armv6 -fmessage-length=0 -pipe -std=c99 -Wno-trigraphs -fpascal-strings -Os -mdynamic-no-pic -Wreturn-type -Wunused-variable -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk -fvisibility=hidden -gdwarf-2 -miphoneos-version-min=3.0 -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-generated-files.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-own-target-headers.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-all-target-headers.hmap -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-project-headers.hmap -F/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -I/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos/include -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources/armv6 -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources -include /var/folders/Cl/ClSMSSrSGF0P3e-zKM94Lk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/iPhone_Prefix-ddgifpxrnqqhlweloeavygdoushm/iPhone_Prefix.pch -c /Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/Vendor/FBconnect/FBRequest.m -o /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/FBRequest.o
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/Vendor/FBconnect/FBRequest.m: In function '-[FBRequest parseXMLResponse:error:]':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/api/internal/Vendor/FBconnect/FBRequest.m:180: warning: class 'FBXMLHandler' does not implement the 'NSXMLParserDelegate' protocol
CompileC build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFDeadEndErrorController.o OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm normal armv6 objective-c++ com.apple.compilers.gcc.4_2
cd /Volumes/Untitled/bb/XCode/GLBasic
setenv LANG en_US.US-ASCII
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x objective-c++ -arch armv6 -fmessage-length=0 -pipe -Wno-trigraphs -fpascal-strings -Os -mdynamic-no-pic -Wreturn-type -Wunused-variable -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk -fvisibility=hidden -fvisibility-inlines-hidden -gdwarf-2 -miphoneos-version-min=3.0 -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-generated-files.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-own-target-headers.hmap -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-all-target-headers.hmap -iquote /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/libOFTest-project-headers.hmap -F/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -I/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos/include -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources/armv6 -I/Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/DerivedSources -include /var/folders/Cl/ClSMSSrSGF0P3e-zKM94Lk+++TM/-Caches-/com.apple.Xcode.502/SharedPrecompiledHeaders/iPhone_Prefix-axpyzookfhpfytdubcbkdenorccs/iPhone_Prefix.pch -c /Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm -o /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/OFDeadEndErrorController.o
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm: In function 'objc_object* +[OFDeadEndErrorController mustBeOnlineErrorWithMessage:](objc_object*, objc_selector*, NSString*)':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm:37: warning: format not a string literal and no format arguments
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm: In function 'objc_object* +[OFDeadEndErrorController deadEndErrorWithMessage:](objc_object*, objc_selector*, NSString*)':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm:44: warning: format not a string literal and no format arguments
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm: In function 'objc_object* +[OFDeadEndErrorController deadEndErrorWithMessageAndOfflineButton:](objc_object*, objc_selector*, NSString*)':
/Volumes/Untitled/bb/XCode/GLBasic/OpenFeint/ui/Controllers/Common/Errors/OFDeadEndErrorController.mm:51: warning: format not a string literal and no format arguments
Ld build/Release-iphoneos/libOFTest.app/libOFTest normal armv6
cd /Volumes/Untitled/bb/XCode/GLBasic
setenv IPHONEOS_DEPLOYMENT_TARGET 3.0
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++-4.2 -arch armv6 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk -L/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -L/Volumes/Untitled/bb/XCode/GLBasic/Lib -L/Volumes/Untitled/bb/XCode/GLBasic/../../libOpenFeint/build/Debug-iphoneos -L/Volumes/Untitled/bb/XCode/GLBasic -F/Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos -filelist /Volumes/Untitled/bb/XCode/GLBasic/build/iPhone.build/Release-iphoneos/iPhone.build/Objects-normal/armv6/libOFTest.LinkFileList -dead_strip -lstdc++ -miphoneos-version-min=3.0 -framework Foundation -framework UIKit -framework OpenGLES -framework QuartzCore -framework AudioToolbox -framework CoreLocation -framework OpenAL -lpng-gf -lPROGRAM -framework AddressBook -framework CoreGraphics -framework MapKit -framework MediaPlayer -framework MessageUI -framework Security -framework SystemConfiguration -lsqlite3.0 -framework CFNetwork -lGLBasiciPhone-egl -llibOpenFeint -o /Volumes/Untitled/bb/XCode/GLBasic/build/Release-iphoneos/libOFTest.app/libOFTest
ld: warning: directory '/Volumes/Untitled/bb/XCode/GLBasic/../../libOpenFeint/build/Debug-iphoneos' following -L not found
I added -ObjC in "other links flags" ... without that I can't compile, I had errors....
Thanks again!