82 lines
3.4 KiB
CMake
82 lines
3.4 KiB
CMake
# Platform defines.
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi)
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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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# dE defines
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set(DE_CPU "DE_CPU_ARM")
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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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# NDK installation path
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set(ANDROID_NDK_PATH "/opt/android-ndk-r5b" CACHE STRING "Android NDK installation path")
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set(ANDROID_NDK_HOST_OS "linux-x86" CACHE STRING "Android ndk host os")
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set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI")
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set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}")
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# \todo [pyry] Detect host type
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set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.4.3/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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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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# 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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set(CMAKE_C_CREATE_SHARED_LIBRARY
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"<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
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"<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> ${CRTEND_SO}")
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# Search libs and include files (but not programs) from toolchain dir.
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set(CMAKE_FIND_ROOT_PATH
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"${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_ABI}"
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"${ANDROID_CC_PATH}arm-linux-androideabi"
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${ANDROID_SYSROOT}
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)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(NDK_FLAGS "--sysroot=${ANDROID_SYSROOT} -fpic -mfloat-abi=softfp -Os -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ -DANDROID -D__ANDROID__ -D__STDC_INT64__")
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if (ANDROID_ABI STREQUAL "armeabi-v7a")
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# For armeabi-v7a
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set(NDK_FLAGS "${NDK_FLAGS} -march=armv7-a -mfpu=vfp")
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elseif (ANDROID_ABI STREQUAL "armeabi")
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# For armeabi (ARMv5TE)
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set(NDK_FLAGS "${NDK_FLAGS} -march=armv5te")
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else ()
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message(FATAL_ERROR "Unknown Android ABI \"${ANDROID_ABI}\"")
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endif ()
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# \note Hacky workaround for flags...
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set(CMAKE_C_FLAGS "${NDK_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS "${NDK_FLAGS} -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_ABI}/include" CACHE STRING "" FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS "-nostdlib -Wl,-shared,-Bsymbolic -Wl,--no-undefined -Wl,--fix-cortex-a" CACHE STRING "" FORCE)
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