140 lines
5.5 KiB
CMake
140 lines
5.5 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-${DE_ANDROID_API}")
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# dE defines
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set(DE_OS "DE_OS_ANDROID")
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set(DE_COMPILER "DE_COMPILER_GCC")
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if (NOT DEFINED DE_ANDROID_API)
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set(DE_ANDROID_API 5)
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endif ()
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# Select cpu
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if (ANDROID_ABI STREQUAL "x86")
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set(DE_CPU "DE_CPU_X86")
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set(CMAKE_SYSTEM_PROCESSOR i686-android-linux)
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else ()
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set(DE_CPU "DE_CPU_ARM")
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set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi)
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endif ()
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# Cross-compiler, search paths and sysroot
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if (ANDROID_ABI STREQUAL "x86")
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.7/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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"${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.7/libs/${ANDROID_ABI}"
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"${ANDROID_CC_PATH}i686-linux-android"
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"${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.7"
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${ANDROID_SYSROOT}
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)
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else ()
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.7/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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set(CMAKE_FIND_ROOT_PATH
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"${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.7/libs/${ANDROID_ABI}"
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"${ANDROID_CC_PATH}arm-linux-androideabi"
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${ANDROID_SYSROOT}
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)
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endif ()
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# crtbegin_so.o & crtend_so.o \todo [pyry] Is there some special CMake variable for these?
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if (DE_ANDROID_API GREATER 8)
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set(CRTBEGIN_SO "${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o")
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set(CRTEND_SO "${ANDROID_SYSROOT}/usr/lib/crtend_so.o")
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endif ()
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# libgcc
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if (ANDROID_ABI STREQUAL "armeabi-v7a")
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set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.7/armv7-a/libgcc.a")
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elseif (ANDROID_ABI STREQUAL "armeabi")
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set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.7/libgcc.a")
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elseif (ANDROID_ABI STREQUAL "x86")
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set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.7/libgcc.a")
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else ()
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message(FATAL_ERROR "Don't know where libgcc.a is")
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endif ()
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# C++ library
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set(LIBCPP "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.7/libs/${ANDROID_ABI}/libgnustl_static.a")
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include(CMakeForceCompiler)
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if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR
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ANDROID_NDK_HOST_OS STREQUAL "darwin-x86")
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cmake_force_c_compiler("${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(CMAKE_SHARED_LIBRARY_C_FLAGS "")
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set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
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set(CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> ${CRTBEGIN_SO} <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC} ${CRTEND_SO}")
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set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC}")
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(COMMON_C_FLAGS "--sysroot=${ANDROID_SYSROOT} -fpic -DANDROID -D__ANDROID__ -D__STDC_INT64__")
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set(COMMON_LINKER_FLAGS "")
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set(ARM_C_FLAGS "-mfloat-abi=softfp -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ")
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set(ARM_LINKER_FLAGS "-Wl,--fix-cortex-a8")
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if (ANDROID_ABI STREQUAL "armeabi-v7a")
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# For armeabi-v7a
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set(TARGET_C_FLAGS "-march=armv7-a -mfpu=vfpv3-d16")
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set(TARGET_LINKER_FLAGS "${ARM_LINKER_FLAGS} -march=armv7-a")
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elseif (ANDROID_ABI STREQUAL "armeabi")
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# For armeabi (ARMv5TE)
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set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv5te")
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set(TARGET_LINKER_FLAGS "${ARM_LINKER_FLAGS} -march=armv5te")
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elseif (ANDROID_ABI STREQUAL "x86")
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set(TARGET_C_FLAGS "-march=i686 -msse3 -mstackrealign -mfpmath=sse")
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set(TARGET_LINKER_FLAGS "")
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else ()
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message(FATAL_ERROR "Unknown Android ABI \"${ANDROID_ABI}\"")
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endif ()
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# \note Without CACHE STRING FORCE cmake ignores these.
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set(CMAKE_C_FLAGS "${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS "${COMMON_C_FLAGS} ${TARGET_C_FLAGS} -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.7/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.7/libs/${ANDROID_ABI}/include" CACHE STRING "" FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS "-nostdlib -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_EXE_LINKER_FLAGS "${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
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