188 lines
7.2 KiB
CMake
188 lines
7.2 KiB
CMake
# Platform defines.
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set(CMAKE_SYSTEM_NAME Linux)
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set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
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set(CMAKE_CROSSCOMPILING 1)
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# NDK installation path
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if (NOT DEFINED ANDROID_NDK_PATH)
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message(FATAL_ERROR "Please provide ANDROID_NDK_PATH")
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endif ()
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# Host os (for toolchain binaries)
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if (NOT DEFINED ANDROID_NDK_HOST_OS)
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message(STATUS "Warning: ANDROID_NDK_HOST_OS is not set")
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if (WIN32)
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set(ANDROID_NDK_HOST_OS "windows")
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elseif (UNIX)
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set(ANDROID_NDK_HOST_OS "linux-86")
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endif ()
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endif ()
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# Compile target
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set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI")
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set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}")
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# dE defines
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set(DE_OS "DE_OS_ANDROID")
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if (NOT DEFINED DE_COMPILER)
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set(DE_COMPILER "DE_COMPILER_CLANG")
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endif ()
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if (NOT DEFINED DE_ANDROID_API)
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set(DE_ANDROID_API 9)
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endif ()
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set(COMMON_C_FLAGS "-D__STDC_INT64__")
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set(COMMON_CXX_FLAGS "${COMMON_C_FLAGS} -frtti -fexceptions")
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set(COMMON_LINKER_FLAGS "")
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set(ARM_C_FLAGS "-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ")
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# ABI-dependent bits
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if (ANDROID_ABI STREQUAL "x86")
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set(DE_CPU "DE_CPU_X86")
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set(CMAKE_SYSTEM_PROCESSOR i686-android-linux)
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
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set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/i686-linux-android-")
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set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86")
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set(CMAKE_FIND_ROOT_PATH
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"${ANDROID_CC_PATH}i686-linux-android"
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"${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9"
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)
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set(TARGET_C_FLAGS "-march=i686 -msse3 -mstackrealign -mfpmath=sse")
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set(TARGET_LINKER_FLAGS "")
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set(LLVM_TRIPLE "i686-none-linux-android")
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elseif (ANDROID_ABI STREQUAL "armeabi" OR
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ANDROID_ABI STREQUAL "armeabi-v7a")
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set(DE_CPU "DE_CPU_ARM")
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set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi)
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
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set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/arm-linux-androideabi-")
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set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm")
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if (ANDROID_ABI STREQUAL "armeabi-v7a")
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set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp")
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set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv7-a")
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set(LLVM_TRIPLE "armv7-none-linux-androideabi")
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else () # armeabi
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set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv5te -mfloat-abi=softfp")
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set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv5te")
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set(LLVM_TRIPLE "armv5te-none-linux-androideabi")
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endif ()
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set(CMAKE_FIND_ROOT_PATH
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"${ANDROID_CC_PATH}arm-linux-androideabi"
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)
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elseif (ANDROID_ABI STREQUAL "arm64-v8a")
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set(DE_CPU "DE_CPU_ARM_64")
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set(CMAKE_SYSTEM_PROCESSOR aarch64-linux-android)
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set(CMAKE_SIZEOF_VOID_P 8)
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/aarch64-linux-android-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
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set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/aarch64-linux-android-")
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set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm64")
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set(CMAKE_FIND_ROOT_PATH
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"${ANDROID_CC_PATH}arm-linux-androideabi"
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)
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set(TARGET_C_FLAGS "-march=armv8-a")
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set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a53-835769 -Wl,--fix-cortex-a53-835769 -march=armv8-a")
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set(LLVM_TRIPLE "aarch64-none-linux-android")
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if (DE_COMPILER STREQUAL "DE_COMPILER_GCC")
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set(TARGET_C_FLAGS "${TARGET_C_FLAGS} -mabi=lp64")
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endif ()
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else ()
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message(FATAL_ERROR "Unknown ABI \"${ANDROID_ABI}\"")
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endif ()
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# C++ library
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if (ANDROID_ABI STREQUAL "x86")
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# Use gnu-libstc++, since libc++ is currently broken on x86, bug #22124988
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set(ANDROID_CXX_LIBRARY "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/libgnustl_static.a")
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set(CXX_INCLUDES "-I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/include")
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set(CMAKE_FIND_ROOT_PATH "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}" ${CMAKE_FIND_ROOT_PATH})
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else ()
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# Use LLVM libc++ for full C++11 support
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set(ANDROID_CXX_LIBRARY "${ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/libs/${ANDROID_ABI}/libc++_static.a")
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set(CXX_INCLUDES "-I${ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/libcxx/include")
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set(CMAKE_FIND_ROOT_PATH "" ${CMAKE_FIND_ROOT_PATH})
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endif ()
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${ANDROID_SYSROOT})
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include(CMakeForceCompiler)
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if (DE_COMPILER STREQUAL "DE_COMPILER_GCC")
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if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR
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ANDROID_NDK_HOST_OS STREQUAL "linux-x86_64" OR
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ANDROID_NDK_HOST_OS STREQUAL "darwin-x86")
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cmake_force_c_compiler("${CROSS_COMPILE}gcc" GNU)
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cmake_force_cxx_compiler("${CROSS_COMPILE}g++" GNU)
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elseif (ANDROID_NDK_HOST_OS STREQUAL "windows")
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cmake_force_c_compiler("${CROSS_COMPILE}gcc.exe" GNU)
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cmake_force_cxx_compiler("${CROSS_COMPILE}g++.exe" GNU)
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else ()
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message(FATAL_ERROR "Unknown ANDROID_NDK_HOST_OS")
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endif ()
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set(TARGET_C_FLAGS "-mandroid ${TARGET_C_FLAGS}")
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elseif (DE_COMPILER STREQUAL "DE_COMPILER_CLANG")
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if (NOT DEFINED LLVM_VERSION)
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if (ANDROID_NDK_HOST_OS STREQUAL "windows" OR
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ANDROID_NDK_HOST_OS STREQUAL "windows-x86_64")
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# Windows NDK prebuilts don't include llvm-ar tool in version 3.6
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set(LLVM_VERSION "3.5")
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else ()
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set(LLVM_VERSION "3.6")
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endif ()
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endif ()
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set(LLVM_PATH "${ANDROID_NDK_PATH}/toolchains/llvm-${LLVM_VERSION}/prebuilt/${ANDROID_NDK_HOST_OS}/")
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if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR
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ANDROID_NDK_HOST_OS STREQUAL "linux-x86_64" OR
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ANDROID_NDK_HOST_OS STREQUAL "darwin-x86" OR
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ANDROID_NDK_HOST_OS STREQUAL "darwin-x86_64")
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cmake_force_c_compiler("${LLVM_PATH}bin/clang" Clang)
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cmake_force_cxx_compiler("${LLVM_PATH}bin/clang++" Clang)
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set(CMAKE_AR "${LLVM_PATH}/bin/llvm-ar" CACHE FILEPATH "Archiver")
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set(CMAKE_RANLIB "${CROSS_COMPILE}ranlib" CACHE FILEPATH "Indexer")
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elseif (ANDROID_NDK_HOST_OS STREQUAL "windows" OR
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ANDROID_NDK_HOST_OS STREQUAL "windows-x86_64")
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cmake_force_c_compiler("${LLVM_PATH}bin/clang.exe" Clang)
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cmake_force_cxx_compiler("${LLVM_PATH}bin/clang++.exe" Clang)
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set(CMAKE_AR "${LLVM_PATH}bin/llvm-ar.exe" CACHE FILEPATH "Archiver")
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else ()
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message(FATAL_ERROR "Unknown ANDROID_NDK_HOST_OS")
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endif ()
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set(TARGET_C_FLAGS "-target ${LLVM_TRIPLE} -gcc-toolchain ${ANDROID_CC_PATH} ${TARGET_C_FLAGS}")
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set(TARGET_LINKER_FLAGS "-target ${LLVM_TRIPLE} -gcc-toolchain ${ANDROID_CC_PATH} ${TARGET_LINKER_FLAGS}")
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endif ()
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set(CMAKE_SHARED_LIBRARY_C_FLAGS "")
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set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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# \note Without CACHE STRING FORCE cmake ignores these.
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set(CMAKE_C_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_CXX_FLAGS} ${TARGET_C_FLAGS} ${CXX_INCLUDES} -I${ANDROID_NDK_PATH}/sources/android/support/include" CACHE STRING "" FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS "-nodefaultlibs -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_EXE_LINKER_FLAGS "-nodefaultlibs ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
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