I finally realised why the 'Archive' option was gray. I needed to select an iOS device.
The only device that I currently have with me has iOS6 installed on it.
It says the following when trying to Archive the app:
ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk/usr/lib/crt1.3.1.o, file was built for armv7 which is not the architecture being linked (armv6): /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk/usr/lib/crt1.3.1.o ld: entry point (start) undefined. Usually in crt1.o for architecture armv6 clang: error: linker command failed with exit code 1 (use -v to see invocation)
But I want to support armv6. What should I do?
EDIT: I tried changing the target from iOS4.0 to iOS 4.2 and said the following:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/lipo: /Users/airrider3/Library/Developer/Xcode/DerivedData/TRGame-fvkoniflczyexwhcnmjvozqbuozd/Build/Intermediates/ArchiveIntermediates/AppStore/IntermediateBuildFilesPath/TRGame.build/Release-iphoneos/iOSGame.build/Objects-normal/armv7/Kipos and /Users/airrider3/Library/Developer/Xcode/DerivedData/TRGame-fvkoniflczyexwhcnmjvozqbuozd/Build/Intermediates/ArchiveIntermediates/AppStore/IntermediateBuildFilesPath/TRGame.build/Release-iphoneos/iOSGame.build/Objects-normal/armv7/Kipos have the same architectures (armv7) and can't be in the same fat output file Command /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/lipo failed with exit code 1
EDIT: I now managed to archive with just armv7 to iOS 4.0. Is it going to work?