ios编译libfreetype，并适应armv7,armv7s,arm64

在github里看到人人网发布的一个CCHtmlLabel的RichText控件，可以显示复杂的html结构的富文本，配置好之后发现在模拟器上面能顺利跑起来，但在真机上却编译失败。

看error log的意思是指没有armv7s的slice，再看了一下CCHtmlLabel所用的libfreetype库，是2011年编译的，有点旧，当时iphone4s才刚出呢，当然没有armv7s了。

于是到SourceForge下载了freetype的源代码，编译成lib后再替换原来的libfreetype.a，再次用Xcode编译整个游戏项目，发现还是有个linker的错误：undefined
reference to `BZ2_bzDecompressInit'。

这个简单，在xcode里添加对libbz2.1.0.dylib的引用即可。

有需要的请到这里下载： http://download.csdn.net/detail/visualcatsharp/7076545
下面再记录一下编译的过程

mkdir /var/tmp/build-armv7

./configure CFLAGS="-arch i386"

make

cp objs/.libs/libfreetype.a libfreetype-i386.a

./configure CFLAGS="-arch x86_64";make clean;make

cp objs/.libs/libfreetype.a libfreetype-x86_64.a

make clean

./configure --prefix=/var/tmp/build-armv7 --host=arm-apple-darwin --enable-static=yes --enable-shared=no CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc CFLAGS="-arch armv7 -pipe -std=c99 -Wno-extended-offsetof
-Wno-trigraphs -fpascal-strings -O2 -Wreturn-type -Wunused-variable -fmessage-length=0 -fvisibility=hidden -miphoneos-version-min=4.2 -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk/usr/include -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk" AR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar LDFLAGS="-arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk
-miphoneos-version-min=4.2"

make

cp objs/.libs/libfreetype.a libfreetype-arm7.a

make clean

./configure --prefix=/var/tmp/build-armv7 --host=arm-apple-darwin --enable-static=yes --enable-shared=no CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc CFLAGS="-arch armv7s -pipe -std=c99 -Wno-extended-offsetof
-Wno-trigraphs -fpascal-strings -O2 -Wreturn-type -Wunused-variable -fmessage-length=0 -fvisibility=hidden -miphoneos-version-min=4.2 -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk/usr/include -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk" AR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar LDFLAGS="-arch armv7s -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk
-miphoneos-version-min=4.2"

make

cp objs/.libs/libfreetype.a libfreetype-arm7s.a

make clean

./configure --prefix=/var/tmp/build-armv7 --host=arm-apple-darwin --enable-static=yes --enable-shared=no CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc CFLAGS="-arch arm64 -pipe -std=c99 -Wno-extended-offsetof
-Wno-trigraphs -fpascal-strings -O2 -Wreturn-type -Wunused-variable -fmessage-length=0 -fvisibility=hidden -miphoneos-version-min=6.0 -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk/usr/include -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk" AR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar LDFLAGS="-arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk
-miphoneos-version-min=6.0"

make clean; make

cp objs/.libs/libfreetype.a libfreetype-arm64.a

lipo -create -output libfreetype.a libfreetype-i386.a libfreetype-x86_64.a libfreetype-arm7.a libfreetype-arm7s.a libfreetype-arm64.a

lipo -info libfreetype.a