lipo -create Release-iphonesimulator/libIRBallisticsStaticLib.a Release-iphoneos/libIRBallisticsStaticLib.a  -output libIRBallisticsStaticLib.a
 
# libIeDocumentsCore-os.a 真机库
# libIeDocumentsCore-simulator.a 模拟器库
# libIeDocumentsCore.a 合并库
 
# 测试合并是否成功 armv7为真机架构 i386为模拟器
lipo -info libIeDocumentsCore.a
#Architectures in the fat file: SQY/iOS/libGamePus.a are: armv7 i386

Q.E.D.