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ios: Add ios/BUILDING to describe the simplest way to get libretro cores building for iOS devices.

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meancoot 2013-02-09 13:22:31 -05:00
parent 2d04aefe5f
commit 7cbfae88c1
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The following instructions will only work if building from OS X.
In general, to build for iOS devices, copy the configuration for OSX, then at the end add the lines:
sysroot = -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk/
CC = /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc -arch armv7 $(sysroot)
CXX = /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -arch armv7 $(sysroot)
Here is how it would look in Makefile.libretro for vba-next:
...
else ifeq ($(platform), osx)
TARGET := vba_next_libretro.dylib
fpic := -fPIC
SHARED := -dynamiclib
ENDIANNESS_DEFINES = -DLSB_FIRST
else ifeq ($(platform), ios)
TARGET := vba_next_libretro.dylib
fpic := -fPIC
SHARED := -dynamiclib
ENDIANNESS_DEFINES = -DLSB_FIRST
sysroot = -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk/
CC = /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc -arch armv7 $(sysroot)
CXX = /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -arch armv7 $(sysroot)
else ifeq ($(platform), ps3)
...
Other arm specific flags can be added if needed.