236 lines
7.5 KiB
CMake
236 lines
7.5 KiB
CMake
IF(DEFINED CMAKE_CROSSCOMPILING)
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# subsequent toolchain loading is not really needed
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RETURN()
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ENDIF()
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# Standard settings
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SET(CMAKE_SYSTEM_NAME Linux)
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SET(CMAKE_SYSTEM_VERSION 1) # TODO: determine target Linux version
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SET(UNIX ON)
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SET(LINUX ON)
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SET(ANDROID ON)
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IF(NOT NDK_ROOT)
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SET(NDK_ROOT $ENV{NDK_ROOT})
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IF(CMAKE_HOST_WIN32)
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FILE(TO_CMAKE_PATH ${NDK_ROOT} NDK_ROOT)
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ENDIF()
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ENDIF()
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IF(NOT TARGET_CPU)
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SET(TARGET_CPU "armv7")
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ENDIF()
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SET(ARMV7_HARD_FLOAT OFF)
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IF(TARGET_CPU STREQUAL "armv7")
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SET(LIBRARY_ARCHITECTURE "armeabi-v7a")
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IF(ARMV7_HARD_FLOAT)
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SET(LIBRARY_ARCHITECTURE "${LIBRARY_ARCHITECTURE}-hard")
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ENDIF()
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SET(CMAKE_SYSTEM_PROCESSOR "armv7")
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SET(TOOLCHAIN_ARCH "arm")
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SET(GCC_TOOLCHAIN_PREFIX "arm-linux-androideabi")
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SET(TOOLCHAIN_BIN_PREFIX "arm-linux-androideabi")
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SET(MINIMUM_NDK_TARGET 4)
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ELSEIF(TARGET_CPU STREQUAL "armv5")
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SET(LIBRARY_ARCHITECTURE "armeabi")
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SET(CMAKE_SYSTEM_PROCESSOR "armv5")
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SET(TOOLCHAIN_ARCH "arm")
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SET(GCC_TOOLCHAIN_PREFIX "arm-linux-androideabi")
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SET(TOOLCHAIN_BIN_PREFIX "arm-linux-androideabi")
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SET(MINIMUM_NDK_TARGET 4)
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ELSEIF(TARGET_CPU STREQUAL "arm64")
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SET(LIBRARY_ARCHITECTURE "arm64-v8a")
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SET(CMAKE_SYSTEM_PROCESSOR "arm64")
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SET(TOOLCHAIN_ARCH "arm64")
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SET(GCC_TOOLCHAIN_PREFIX "aarch64-linux-android")
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SET(TOOLCHAIN_BIN_PREFIX "aarch64-linux-android")
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SET(MINIMUM_NDK_TARGET 21)
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ELSEIF(TARGET_CPU STREQUAL "x86")
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SET(LIBRARY_ARCHITECTURE "x86")
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SET(CMAKE_SYSTEM_PROCESSOR "x86")
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SET(TOOLCHAIN_ARCH "x86")
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SET(GCC_TOOLCHAIN_PREFIX "x86")
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SET(TOOLCHAIN_BIN_PREFIX "i686-linux-android")
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SET(MINIMUM_NDK_TARGET 9)
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ELSEIF(TARGET_CPU STREQUAL "x86_64")
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SET(LIBRARY_ARCHITECTURE "x86_64")
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SET(CMAKE_SYSTEM_PROCESSOR "x86_64")
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SET(TOOLCHAIN_ARCH "x86_64")
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SET(GCC_TOOLCHAIN_PREFIX "x86_64")
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SET(TOOLCHAIN_BIN_PREFIX "x86_64-linux-android")
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SET(MINIMUM_NDK_TARGET 21)
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ELSEIF(TARGET_CPU STREQUAL "mips")
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SET(LIBRARY_ARCHITECTURE "mips")
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SET(CMAKE_SYSTEM_PROCESSOR "mips")
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SET(TOOLCHAIN_ARCH "mips")
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SET(GCC_TOOLCHAIN_PREFIX "mipsel-linux-android")
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SET(TOOLCHAIN_BIN_PREFIX "mipsel-linux-android")
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SET(MINIMUM_NDK_TARGET 9)
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ELSEIF(TARGET_CPU STREQUAL "mips64")
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SET(LIBRARY_ARCHITECTURE "mips64")
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SET(CMAKE_SYSTEM_PROCESSOR "mips64")
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SET(TOOLCHAIN_ARCH "mips64")
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SET(GCC_TOOLCHAIN_PREFIX "mips64el-linux-android")
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SET(TOOLCHAIN_BIN_PREFIX "mips64el-linux-android")
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SET(MINIMUM_NDK_TARGET 21)
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ELSE()
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MESSAGE(FATAL_ERROR "Unable to process TARGET_CPU ${TARGET_CPU}")
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ENDIF()
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SET(CLANG_TOOLCHAIN_PREFIX "llvm")
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SET(ANDROID_COMPILER "GCC")
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IF(NDK_TOOLCHAIN_VERSION STREQUAL "clang")
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SET(ANDROID_COMPILER "clang")
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SET(CLANG ON)
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ELSE()
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SET(GCC_TOOLCHAIN_VERSION ${NDK_TOOLCHAIN_VERSION})
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ENDIF()
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IF(NOT NDK_TARGET)
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SET(NDK_TARGET ${MINIMUM_NDK_TARGET})
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ELSE()
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IF(NDK_TARGET LESS MINIMUM_NDK_TARGET)
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SET(NDK_TARGET ${MINIMUM_NDK_TARGET})
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ENDIF()
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ENDIF()
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IF(CMAKE_HOST_WIN32)
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SET(TOOLCHAIN_HOST "windows")
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SET(TOOLCHAIN_BIN_SUFFIX ".exe")
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ELSEIF(CMAKE_HOST_APPLE)
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SET(TOOLCHAIN_HOST "apple")
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SET(TOOLCHAIN_BIN_SUFFIX "")
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ELSEIF(CMAKE_HOST_UNIX)
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SET(TOOLCHAIN_HOST "linux")
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SET(TOOLCHAIN_BIN_SUFFIX "")
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ENDIF()
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MACRO(SEARCH_TOOLCHAIN _COMPILER)
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SET(${_COMPILER}_TOOLCHAIN_VERSIONS)
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FILE(GLOB _TOOLCHAIN_VERSIONS "${NDK_ROOT}/toolchains/${${_COMPILER}_TOOLCHAIN_PREFIX}-*")
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IF(_TOOLCHAIN_VERSIONS)
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LIST(SORT _TOOLCHAIN_VERSIONS)
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LIST(REVERSE _TOOLCHAIN_VERSIONS)
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FOREACH(_TOOLCHAIN_VERSION ${_TOOLCHAIN_VERSIONS})
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STRING(REGEX REPLACE ".+${_PREFIX}-([0-9.]+)" "\\1" _TOOLCHAIN_VERSION "${_TOOLCHAIN_VERSION}")
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IF(_TOOLCHAIN_VERSION MATCHES "^([0-9.]+)$")
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LIST(APPEND ${_COMPILER}_TOOLCHAIN_VERSIONS ${_TOOLCHAIN_VERSION})
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ENDIF()
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ENDFOREACH()
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ENDIF()
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IF(NOT ${_COMPILER}_TOOLCHAIN_VERSIONS)
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MESSAGE(FATAL_ERROR "No Android ${_COMPILER} toolchain found in default search path ${NDK_ROOT}/toolchains")
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ENDIF()
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IF(${_COMPILER}_TOOLCHAIN_VERSIONS)
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LIST(FIND ${_COMPILER}_TOOLCHAIN_VERSIONS "${${_COMPILER}_TOOLCHAIN_VERSION}" _INDEX)
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IF(_INDEX EQUAL -1)
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LIST(GET ${_COMPILER}_TOOLCHAIN_VERSIONS 0 ${_COMPILER}_TOOLCHAIN_VERSION)
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ENDIF()
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ELSE()
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LIST(GET ${_COMPILER}_TOOLCHAIN_VERSIONS 0 ${_COMPILER}_TOOLCHAIN_VERSION)
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ENDIF()
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SET(${_COMPILER}_TOOLCHAIN_ROOT "${NDK_ROOT}/toolchains/${${_COMPILER}_TOOLCHAIN_PREFIX}-${${_COMPILER}_TOOLCHAIN_VERSION}/prebuilt/${TOOLCHAIN_HOST}")
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IF(NOT EXISTS "${${_COMPILER}_TOOLCHAIN_ROOT}")
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FILE(GLOB _TOOLCHAIN_PREFIXES "${${_COMPILER}_TOOLCHAIN_ROOT}*")
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IF(_TOOLCHAIN_PREFIXES)
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LIST(GET _TOOLCHAIN_PREFIXES 0 ${_COMPILER}_TOOLCHAIN_ROOT)
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ENDIF()
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ENDIF()
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ENDMACRO()
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IF(CLANG)
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SEARCH_TOOLCHAIN(CLANG)
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MESSAGE(STATUS "Target Android NDK ${NDK_TARGET} and use clang ${CLANG_TOOLCHAIN_VERSION}")
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ENDIF()
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SEARCH_TOOLCHAIN(GCC)
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MESSAGE(STATUS "Target Android NDK ${NDK_TARGET} and use GCC ${GCC_TOOLCHAIN_VERSION}")
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IF(CLANG_TOOLCHAIN_ROOT)
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MESSAGE(STATUS "Found Android LLVM toolchain in ${CLANG_TOOLCHAIN_ROOT}")
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ENDIF()
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IF(GCC_TOOLCHAIN_ROOT)
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MESSAGE(STATUS "Found Android GCC toolchain in ${GCC_TOOLCHAIN_ROOT}")
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ENDIF()
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SET(PLATFORM_ROOT "${NDK_ROOT}/platforms/android-${NDK_TARGET}/arch-${TOOLCHAIN_ARCH}")
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MESSAGE(STATUS "Found Android platform in ${PLATFORM_ROOT}")
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# include dirs
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SET(PLATFORM_INCLUDE_DIR "${PLATFORM_ROOT}/usr/include")
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SET(STL_DIR "${NDK_ROOT}/sources/cxx-stl/gnu-libstdc++")
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IF(EXISTS "${STL_DIR}/${GCC_TOOLCHAIN_VERSION}")
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# NDK version >= 8b
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SET(STL_DIR "${STL_DIR}/${GCC_TOOLCHAIN_VERSION}")
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ENDIF()
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SET(STL_INCLUDE_DIR "${STL_DIR}/include")
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SET(STL_LIBRARY_DIR "${STL_DIR}/libs/${LIBRARY_ARCHITECTURE}")
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SET(STL_INCLUDE_CPU_DIR "${STL_LIBRARY_DIR}/include")
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SET(STL_LIBRARY "${STL_LIBRARY_DIR}/libgnustl_static.a")
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MESSAGE(STATUS "STL include dir: ${STL_INCLUDE_DIR}")
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MESSAGE(STATUS "STL library dir: ${STL_LIBRARY_DIR}")
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SET(CMAKE_FIND_ROOT_PATH ${CLANG_TOOLCHAIN_ROOT} ${GCC_TOOLCHAIN_ROOT} ${PLATFORM_ROOT}/usr ${CMAKE_PREFIX_PATH} ${CMAKE_INSTALL_PREFIX} $ENV{EXTERNAL_ANDROID_PATH} CACHE string "Android find search path root")
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SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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MACRO(SET_TOOLCHAIN_BINARY_LLVM _NAME _BINARY)
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SET(${_NAME} ${CLANG_TOOLCHAIN_ROOT}/bin/${_BINARY}${TOOLCHAIN_BIN_SUFFIX} CACHE PATH "" FORCE )
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ENDMACRO()
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MACRO(SET_TOOLCHAIN_BINARY_GCC _NAME _BINARY)
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SET(${_NAME} ${GCC_TOOLCHAIN_ROOT}/bin/${TOOLCHAIN_BIN_PREFIX}-${_BINARY}${TOOLCHAIN_BIN_SUFFIX} CACHE PATH "" FORCE)
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ENDMACRO()
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# Force the compilers to GCC for Android
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include (CMakeForceCompiler)
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IF(CLANG)
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MESSAGE(STATUS "Using clang compiler")
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SET_TOOLCHAIN_BINARY_LLVM(CMAKE_C_COMPILER clang)
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SET_TOOLCHAIN_BINARY_LLVM(CMAKE_CXX_COMPILER clang++)
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CMAKE_FORCE_C_COMPILER(${CMAKE_C_COMPILER} clang)
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CMAKE_FORCE_CXX_COMPILER(${CMAKE_CXX_COMPILER} clang)
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SET_TOOLCHAIN_BINARY_LLVM(CMAKE_ASM_COMPILER llvm-as)
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SET_TOOLCHAIN_BINARY_LLVM(CMAKE_AR llvm-ar)
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SET_TOOLCHAIN_BINARY_LLVM(CMAKE_LINKER clang++)
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ELSE()
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MESSAGE(STATUS "Using GCC compiler")
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_C_COMPILER gcc)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_CXX_COMPILER g++)
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CMAKE_FORCE_C_COMPILER(${CMAKE_C_COMPILER} GNU)
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CMAKE_FORCE_CXX_COMPILER(${CMAKE_CXX_COMPILER} GNU)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_ASM_COMPILER as)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_AR ar)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_LINKER ld)
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ENDIF()
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_STRIP strip)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_NM nm)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_OBJCOPY objcopy)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_OBJDUMP objdump)
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SET_TOOLCHAIN_BINARY_GCC(CMAKE_RANLIB ranlib)
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