rake示例

https://github.com/kimiwang/kxmovie/blob/master/Rakefile




require "pathname"

require "fileutils"



def system_or_exit(cmd, stdout = nil)

  puts "Executing #{cmd}"

  cmd += " >#{stdout}" if stdout

  system(cmd) or raise "******** Build failed ********"

end



## build ffmpeg



XCODE_PATH='/Applications/Xcode.app/Contents/Developer/Platforms'

GCC_PATH='/Developer/usr/bin/gcc'

LIB_PATH='/usr/lib/system'

PLATOFRM_PATH_SIM ='/iPhoneSimulator.platform'

PLATOFRM_PATH_IOS ='/iPhoneOS.platform'

#SDK_PATH_SIM ='/Developer/SDKs/iPhoneSimulator5.1.sdk'

SDK_PATH_SIM ='/Developer/SDKs/iPhoneSimulator6.0.sdk'

SDK_PATH_IOS='/Developer/SDKs/iPhoneOS6.0.sdk'



FFMPEG_BUILD_ARGS_SIM = [

'--assert-level=2',

'--disable-mmx',

'--arch=i386',

'--cpu=i386',

"--extra-ldflags='-arch i386'",

"--extra-cflags='-arch i386'",

]



FFMPEG_BUILD_ARGS_ARMV7 = [

'--arch=arm',

'--cpu=cortex-a8',

'--enable-pic',

"--extra-cflags='-arch armv7'",

"--extra-ldflags='-arch armv7'",

"--extra-cflags='-mfpu=neon -mfloat-abi=softfp -mvectorize-with-neon-quad'",

'--enable-neon',

'--disable-debug',

'--enable-optimizations',

'--disable-armv5te',

'--disable-armv6',

'--disable-armv6t2',

'--disable-armvfp',

]



FFMPEG_BUILD_ARGS_ARMV7S = [

'--arch=arm',

'--cpu=cortex-a8',

'--enable-pic',

"--extra-cflags='-arch armv7s'",

"--extra-ldflags='-arch armv7s'",

"--extra-cflags='-mfpu=neon -mfloat-abi=softfp -mvectorize-with-neon-quad'",

'--enable-neon',

'--disable-debug',

'--enable-optimizations',

'--disable-armv5te',

'--disable-armv6',

'--disable-armv6t2',

'--disable-armvfp',

]



FFMPEG_BUILD_ARGS = [

#'--disable-asm',

'--disable-ffmpeg',

'--disable-ffplay',

'--disable-ffserver',

'--disable-ffprobe',

'--disable-doc',

'--disable-bzlib',

'--target-os=darwin',

'--enable-cross-compile',

#'--enable-nonfree',

'--enable-gpl',

'--enable-version3',

]



FFMPEG_LIBS = [

'libavcodec',

#'libavdevice',

'libavformat',

'libavutil',

'libswscale',

'libswresample',

]



def mkArgs(platformPath, sdkPath, platformArgs)



	cc = '--cc=' + XCODE_PATH + platformPath + GCC_PATH

	as = "--as='" + 'gas-preprocessor.pl ' + XCODE_PATH + platformPath + GCC_PATH + "'"

	sysroot = '--sysroot=' + XCODE_PATH + platformPath + sdkPath

	extra = '--extra-ldflags=-L' + XCODE_PATH + platformPath + sdkPath + LIB_PATH



	args = FFMPEG_BUILD_ARGS + platformArgs

	args << cc 

	args << as

	args << sysroot

	args << extra



	args.join(' ')

end



def moveLibs(dest)

	FFMPEG_LIBS.each do |x|

		FileUtils.move Pathname.new("ffmpeg/#{x}/#{x}.a"), dest		

	end

end



def ensureDir(path)



	dest = Pathname.new path

	if dest.exist?

		FileUtils.rm Dir.glob("#{path}/*.a")

	else

		dest.mkdir

	end



	dest

end



def buildArch(arch)



	case arch

	when 'i386'

		args = mkArgs(PLATOFRM_PATH_SIM, SDK_PATH_SIM, FFMPEG_BUILD_ARGS_SIM)

	when 'armv7'

		args = mkArgs(PLATOFRM_PATH_IOS, SDK_PATH_IOS, FFMPEG_BUILD_ARGS_ARMV7)

	when 'armv7s'

		args = mkArgs(PLATOFRM_PATH_IOS, SDK_PATH_IOS, FFMPEG_BUILD_ARGS_ARMV7S)		

	else

		raise "Build failed: unknown arch: #{arch}"

	end



	dest = ensureDir('ffmpeg/' + arch)



	system_or_exit "cd ffmpeg; ./configure #{args}"

	system_or_exit "cd ffmpeg; make"	

	moveLibs(dest)	

	system_or_exit "cd ffmpeg; make clean"



end



def mkLipoArgs(lib)

	"-create -arch armv7 armv7/#{lib}.a -arch armv7 armv7s/#{lib}.a -arch i386 i386/#{lib}.a -output universal/#{lib}.a"

end



desc "check gas-preprocessor.pl"

task :check_gas_preprocessor do	



	found = false



	ENV['PATH'].split(':').each do |x|

		p = Pathname.new(x) + 'gas-preprocessor.pl'

		if p.exist? && p.writable?

			found = true

			break;

		end

	end



	unless found

		raise "Build failed: first install gas-preprocessor.pl.\nSee http://stackoverflow.com/questions/5056600/how-to-install-gas-preprocessor for more info."

	end



end



desc "Clean ffmpeg"

task :clean_ffmpeg do

	system_or_exit "cd ffmpeg; make clean"

end



desc "Build ffmpeg i386 libs"

task :build_ffmpeg_i386 do	

	buildArch('i386')	

end



desc "Build ffmpeg armv7 libs"

task :build_ffmpeg_armv7 do	

	buildArch('armv7')	

end



desc "Build ffmpeg armv7s libs"

task :build_ffmpeg_armv7s do	

	buildArch('armv7s')	

end



desc "Build ffmpeg universal libs"

task :build_ffmpeg_universal do	



	ensureDir('ffmpeg/universal')



	FFMPEG_LIBS.each do |x|

		args = mkLipoArgs(x)

		system_or_exit "cd ffmpeg; lipo #{args}"

	end



	dest = ensureDir('libs')



	FFMPEG_LIBS.each do |x|

		FileUtils.move Pathname.new("ffmpeg/universal/#{x}.a"), dest

	end



end



## build libkxmovie



def cleanMovieLib(config)

	buildDir = Pathname.new 'tmp/build'	

  	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration #{config} -sdk iphoneos6.0 clean SYMROOT=#{buildDir}"

	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration #{config} -sdk iphonesimulator6.0 clean SYMROOT=#{buildDir}"  	

end



desc "Clean libkxmovie-debug"

task :clean_movie_debug do

	cleanMovieLib 'Debug'

end



desc "Clean libkxmovie-release"

task :clean_movie_release do

	cleanMovieLib 'Release'

end



desc "Build libkxmovie-debug"

task :build_movie_debug do

	buildDir = Pathname.new 'tmp/build'

	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Debug -sdk iphoneos6.0 build SYMROOT=#{buildDir} -arch armv7s"			

	FileUtils.move Pathname.new('tmp/build/Debug-iphoneos/libkxmovie.a'), Pathname.new('tmp/build/Debug-iphoneos/libkxmovie_armv7s.a')	



	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Debug -sdk iphoneos6.0 build SYMROOT=#{buildDir} -arch armv7"		

	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Debug -sdk iphonesimulator6.0 build SYMROOT=#{buildDir}"	

	system_or_exit "lipo -create -arch armv7 tmp/build/Debug-iphoneos/libkxmovie.a -arch armv7 tmp/build/Debug-iphoneos/libkxmovie_armv7s.a -arch i386 tmp/build/Debug-iphonesimulator/libkxmovie.a -output tmp/build/libkxmovie.a"

end



desc "Build libkxmovie-release"

task :build_movie_release do

	buildDir = Pathname.new 'tmp/build'

	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Release -sdk iphoneos6.0 build SYMROOT=#{buildDir} -arch armv7s"	

	FileUtils.move Pathname.new('tmp/build/Release-iphoneos/libkxmovie.a'), Pathname.new('tmp/build/Release-iphoneos/libkxmovie_armv7s.a')	



	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Release -sdk iphoneos6.0 build SYMROOT=#{buildDir} -arch armv7"	

	system_or_exit "xcodebuild -project kxmovie.xcodeproj -target kxmovie -configuration Debug -sdk iphonesimulator6.0 build SYMROOT=#{buildDir}"	

	system_or_exit "lipo -create -arch armv7 tmp/build/Release-iphoneos/libkxmovie.a -arch armv7 tmp/build/Release-iphoneos/libkxmovie_armv7s.a -arch i386 tmp/build/Debug-iphonesimulator/libkxmovie.a -output tmp/build/libkxmovie.a"



	#FileUtils.copy Pathname.new('tmp/build/Release-iphoneos/libkxmovie.a'), buildDir

end



desc "Copy to output folder"

task :copy_movie do	

	dest = ensureDir 'output'	

	FileUtils.move Pathname.new('tmp/build/libkxmovie.a'), dest		

	FileUtils.copy Pathname.new('libs/libavcodec.a'), dest

	FileUtils.copy Pathname.new('libs/libavformat.a'), dest

	FileUtils.copy Pathname.new('libs/libavutil.a'), dest

	FileUtils.copy Pathname.new('libs/libswscale.a'), dest

	FileUtils.copy Pathname.new('libs/libswresample.a'), dest

	FileUtils.copy Pathname.new('kxmovie/KxMovieViewController.h'), dest	

	FileUtils.copy Pathname.new('kxmovie/KxAudioManager.h'), dest	

	FileUtils.copy Pathname.new('kxmovie/KxMovieDecoder.h'), dest

	FileUtils.copy_entry Pathname.new('kxmovie/kxmovie.bundle'), dest + 'kxmovie.bundle'

end	



##

task :clean => [:clean_movie_debug, :clean_movie_release, :clean_ffmpeg]

task :build_ffmpeg => [:check_gas_preprocessor, :build_ffmpeg_i386, :build_ffmpeg_armv7, :build_ffmpeg_armv7s, :build_ffmpeg_universal]

#task :build_movie => [:build_movie_debug, :copy_movie] 

task :build_movie => [:build_movie_release, :copy_movie] 

task :build_all => [:build_ffmpeg, :build_movie] 

task :default => [:build_all]