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Make iOS build instructions more generic and applicable to all versions of Xcode; modify iOS build procedure for Xcode 5.0 and later to fix a build issue with Xcode 5.1. 

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1216 632fc199-4ca6-4c93-a231-07263d6284db
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DRC 2014-03-27 03:35:21 +00:00
Родитель 377955e606
Коммит 0d0705f445
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40
BUILDING.txt
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@ -339,24 +339,16 @@ Additional build requirements:
Set the following shell variables for simplicity:
Xcode 3.2.x / iOS 4.3 SDK:
Xcode 4.2 and earlier:
IOS_PLATFORMDIR=/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS4.3.sdk
IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
Xcode 4.5.x / iOS 6.0 SDK:
Xcode 4.3 and later:
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS6.0.sdk
IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
Xcode 4.6.x / iOS 6.1 SDK:
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS6.1.sdk
IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk
Xcode 5.0.x / iOS 7.0 SDK:
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS7.0.sdk
Xcode 4.6.x and earlier:
IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
Xcode 5.0.x and later:
IOS_GCC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
ARM v6 only (up to and including iPhone 3G):
@ -364,17 +356,17 @@ Set the following shell variables for simplicity:
IOS_CFLAGS="-march=armv6 -mcpu=arm1176jzf-s -mfpu=vfp"
ARM v7 only (iPhone 3GS-4S, iPad 1st-3rd Generation):
GCC:
Xcode 4.6.x and earlier:
IOS_CFLAGS="-march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon"
Clang:
IOS_CFLAGS="-arch armv7 -no-integrated-as"
Xcode 5.0.x and later:
IOS_CFLAGS="-arch armv7"
ARM v7s only (iPhone 5, iPad 4th Generation):
[NOTE: Requires Xcode 4.5 or later]
GCC
Xcode 4.6.x and earlier:
IOS_CFLAGS="-march=armv7s -mcpu=swift -mtune=swift -mfpu=neon"
Clang:
IOS_CFLAGS="-arch armv7s -no-integrated-as"
Xcode 5.0.x and later:
IOS_CFLAGS="-arch armv7s"
Follow the procedure under "Building libjpeg-turbo" above, adding
@ -383,8 +375,16 @@ Follow the procedure under "Building libjpeg-turbo" above, adding
CFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT -O3 $IOS_CFLAGS" \
LDFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT $IOS_CFLAGS"
to the configure command line. If using Xcode 5.0.x or later, also add
CCASFLAGS="-no-integrated-as $IOS_CFLAGS"
to the configure command line.
NOTE: You can also add -miphoneos-version-min={version} to $IOS_CFLAGS above
in order to support older versions of iOS than the default version supported by
the SDK.
Once built, lipo can be used to combine the ARM v6, v7, and/or v7s variants
into a universal library.