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CMake/Modules/Platform/Android/abi-common.cmake

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Android: Populate compiler flags for current ABI Initialize the CMAKE_{C,CXX}_FLAGS{,_<CONFIG>} cache entries with flags for each ABI as specified by NDK toolchain `setup.mk` files.
2016-06-02 22:11:42 +03:00
string(APPEND _ANDROID_ABI_INIT_CFLAGS
" -funwind-tables"
" -no-canonical-prefixes"
)
Android: Add missing link flags for device executables See `${ndk}/build/core/default-build-commands.mk` for link flags the NDK uses for executables. Add them to our default executable link flags. Suppress `nocopyreloc` on `arm64-v8a` because it does not work with some STL types. Closes: #16380
2016-10-21 16:12:34 +03:00
Android: Set CMAKE_POSITION_INDEPENDENT_CODE automatically If the toolchain file or cache does not set this, enable it automatically based on the Android API version. Versions 16 and above expect position independent code. Use the main `CMAKE_POSITION_INDEPENDENT_CODE` setting in favor of hard-coding `-fpic` or `-fPIC` in the compiler flags for each ABI. This allows CMake to use `-fpie` or `-fPIE` as needed when sources are meant for executables, and `-fpic` or `-fPIC` for other sources.
2016-10-24 18:40:53 +03:00
if(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE
AND NOT CMAKE_SYSTEM_VERSION VERSION_LESS 16)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
Android: Link position-independent executables with proper flags Add `-fPIE -pie` to the default executable link flags when `CMAKE_POSITION_INDEPENDENT_CODE` is enabled. This is required by Android 16 and above for executables to run on the device. Closes: #16382
2016-10-24 18:45:18 +03:00
if(CMAKE_POSITION_INDEPENDENT_CODE)
string(APPEND _ANDROID_ABI_INIT_EXE_LDFLAGS " -fPIE -pie")
endif()
Android: Add missing link flags for device executables See `${ndk}/build/core/default-build-commands.mk` for link flags the NDK uses for executables. Add them to our default executable link flags. Suppress `nocopyreloc` on `arm64-v8a` because it does not work with some STL types. Closes: #16380
2016-10-21 16:12:34 +03:00
string(APPEND _ANDROID_ABI_INIT_EXE_LDFLAGS " -Wl,--gc-sections")
if(NOT _ANDROID_ABI_INIT_EXE_LDFLAGS_NO_nocopyreloc)
string(APPEND _ANDROID_ABI_INIT_EXE_LDFLAGS " -Wl,-z,nocopyreloc")
endif()