# Adapted from http://code.google.com/p/android-cmake/ set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_VERSION 1) if(APPLE) set(HOST_APPLE true) elseif(UNIX) set(HOST_UNIX true) endif() set(APPLE false) set(UNIX true) set(ANDROID_NDK_DEFAULT_SEARCH_PATH /opt/android-ndk) set(ANDROID_NDK_SUPPORTED_VERSIONS -r8d -r8 -r7 -r6 -r5c -r5b -r5 "") set(ANDROID_NDK_TOOLCHAIN_DEFAULT_SEARCH_PATH /opt/android-toolchain) set(TOOL_OS_SUFFIX "") if(NOT DEFINED ANDROID_NDK) set(ANDROID_NDK "$ENV{ANDROID_NDK}") endif() if(NOT DEFINED ANDROID_NDK_TOOLCHAIN_ROOT) set(ANDROID_NDK_TOOLCHAIN_ROOT $ENV{ANDROID_NDK_TOOLCHAIN_ROOT}) endif() if(NOT EXISTS "${ANDROID_NDK}") foreach(ndk_version ${ANDROID_NDK_SUPPORTED_VERSIONS}) if(EXISTS ${ANDROID_NDK_DEFAULT_SEARCH_PATH}${ndk_version}) set(ANDROID_NDK "${ANDROID_NDK_DEFAULT_SEARCH_PATH}${ndk_version}") message(STATUS "Using default path for android NDK ${ANDROID_NDK}") message(STATUS " If you prefer to use a different location, please define the variable: ANDROID_NDK") break() endif() endforeach() endif() if(EXISTS "${ANDROID_NDK}") if(APPLE) set(ANDROID_TOOLCHAIN_SYSTEM "darwin-x86") elseif(WIN32) set(ANDROID_TOOLCHAIN_SYSTEM "windows") set(TOOL_OS_SUFFIX ".exe") elseif(UNIX) set(ANDROID_TOOLCHAIN_SYSTEM "linux-x86") else() message(FATAL_ERROR "Your platform is not supported") endif() if(NOT ANDROID_API_LEVEL GREATER 2) if(NDK_CPU_X86) set(ANDROID_API_LEVEL 9) else() set(ANDROID_API_LEVEL 5) endif() message(STATUS "Using default android API level android-${ANDROID_API_LEVEL}") message(STATUS " If you prefer to use a different API level, please define the variable: ANDROID_API_LEVEL") endif() if (NDK_CPU_X86) set(ANDROID_TOOLCHAIN_PREFIX "i686-android-linux") set(ANDROID_TOOLCHAIN_NAME "x86") set(ANDROID_TOOLCHAIN_PLATFORM_NAME "x86") else() set(ANDROID_TOOLCHAIN_PREFIX "arm-linux-androideabi") set(ANDROID_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_PREFIX}") set(ANDROID_TOOLCHAIN_PLATFORM_NAME "arm") endif() if (NOT DEFINED ANDROID_TOOLCHAIN_VERSION) set(SUPPORTED_TOOLCHAIN_VERSIONS 4.4.0 4.4.3 4.6.0 4.6.1 4.6.2 4.6.3 4.7) foreach(gcc_version ${SUPPORTED_TOOLCHAIN_VERSIONS}) if (EXISTS "${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}-${gcc_version}") set(ANDROID_TOOLCHAIN_VERSION ${gcc_version}) endif() endforeach() if(NOT DEFINED ANDROID_TOOLCHAIN_VERSION) message(FATAL_ERROR "Unable to find toolchain") else() message(STATUS "Using auto-detected toolchain ${ANDROID_TOOLCHAIN_NAME}-${ANDROID_TOOLCHAIN_VERSION}") endif() endif() if (EXISTS "${ANDROID_NDK}/toolchains/clang-android-${ANDROID_TOOLCHAIN_VERSION}") set (ANDROID_TOOLCHAIN_NAME "clang-android") message(STATUS "Found clang toolchain ${ANDROID_TOOLCHAIN_NAME}-${ANDROID_TOOLCHAIN_VERSION}") endif() set(ANDROID_NDK_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_API_LEVEL}/arch-${ANDROID_TOOLCHAIN_PLATFORM_NAME}") set(ANDROID_NDK_TOOLCHAIN_ROOT "${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}-${ANDROID_TOOLCHAIN_VERSION}/prebuilt/${ANDROID_TOOLCHAIN_SYSTEM}") endif() set(CMAKE_C_COMPILER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" FORCE) set(CMAKE_CXX_COMPILER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++" FORCE) set(CMAKE_AR "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" FORCE) set(CMAKE_LINKER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" FORCE) set(CMAKE_NM "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-nm${TOOL_OS_SUFFIX}" CACHE PATH "nm" FORCE) set(CMAKE_OBJCOPY "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-objcopy${TOOL_OS_SUFFIX}" CACHE PATH "objcopy" FORCE) set(CMAKE_OBJDUMP "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-objdump${TOOL_OS_SUFFIX}" CACHE PATH "objdump" FORCE) set(CMAKE_STRIP "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" FORCE) set(CMAKE_RANLIB "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_PREFIX}-ranlib${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" FORCE) if(NDK_CPU_X86) set(ANDROID_NDK_CPU_NAME "x86") set(CMAKE_SYSTEM_PROCESSOR "x86") elseif(NDK_CPU_ARM_V7A) set(NDK_CPU_ARM_NEON false) set(NDK_CPU_ARM_VFPV3 false) set(NDK_CPU_ARM true) set(ANDROID_NDK_CPU_NAME "armeabi-v7a") set(CMAKE_SYSTEM_PROCESSOR "armv7-a") else() set(NDK_CPU_ARM true) set(ANDROID_NDK_CPU_NAME "armeabi") set(NDK_CPU_ARM_NEON false) set(CMAKE_SYSTEM_PROCESSOR "armv5te") endif() set(CMAKE_FIND_ROOT_PATH "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin" "${ANDROID_NDK_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_PREFIX}" "${ANDROID_NDK_SYSROOT}" "${CMAKE_INSTALL_PREFIX}" "${CMAKE_INSTALL_PREFIX}/share") set(STL_PATH "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++") set(STL_LIBRARIES_PATH "${STL_PATH}/libs/${ANDROID_NDK_CPU_NAME}") include_directories(SYSTEM "${STL_PATH}/include" "${STL_LIBRARIES_PATH}/include") link_directories("${ANDROID_NDK_SYSROOT}/usr/lib") set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) set(CMAKE_C_FLAGS "-fPIC -DANDROID -Wno-psabi -fsigned-char") set(FORCE_ARM OFF CACHE BOOL "Use 32-bit ARM instructions instead of Thumb-1") if(NDK_CPU_X86) elseif(NOT FORCE_ARM) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb") else() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm") endif() set(CMAKE_C_FLAGS "--sysroot=${ANDROID_NDK_SYSROOT} ${CMAKE_C_FLAGS}") include(CMakeForceCompiler) CMAKE_FORCE_C_COMPILER("${CMAKE_C_COMPILER}" GNU) CMAKE_FORCE_CXX_COMPILER("${CMAKE_CXX_COMPILER}" GNU) if(NDK_CPU_ARM_V7A) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv7-a -mfloat-abi=softfp") if(NDK_CPU_ARM_NEON) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon") elseif(NDK_CPU_ARM_VFPV3) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfpv3") endif() endif() set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c++ flags") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags") set(LINKER_FLAGS "-L\"${STL_LIBRARIES_PATH}\" -L\"${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_CPU_NAME}\"") if(NDK_CPU_ARM OR NDK_CPU_ARM_V7A) set(LINKER_FLAGS "-Wl,--fix-cortex-a8 ${LINKER_FLAGS}") endif() set(CMAKE_SHARED_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) set(CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) set(CMAKE_EXE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) set(ANDROID true) set(BUILD_ANDROID true) MARK_AS_ADVANCED(FORCE_ARM NO_UNDEFINED)