| # Platform defines. |
| set(CMAKE_SYSTEM_NAME Linux) |
| |
| set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE) |
| |
| set(CMAKE_CROSSCOMPILING 1) |
| |
| # NDK installation path |
| if (NOT DEFINED ANDROID_NDK_PATH) |
| message(FATAL_ERROR "Please provide ANDROID_NDK_PATH") |
| endif () |
| |
| # Host os (for toolchain binaries) |
| if (NOT DEFINED ANDROID_NDK_HOST_OS) |
| message(STATUS "Warning: ANDROID_NDK_HOST_OS is not set") |
| if (WIN32) |
| set(ANDROID_NDK_HOST_OS "windows") |
| elseif (UNIX) |
| set(ANDROID_NDK_HOST_OS "linux-86") |
| endif () |
| endif () |
| |
| # Compile target |
| set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI") |
| set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}") |
| |
| # dE defines |
| set(DE_OS "DE_OS_ANDROID") |
| set(DE_COMPILER "DE_COMPILER_CLANG") |
| if (NOT DEFINED DE_ANDROID_API) |
| set(DE_ANDROID_API 5) |
| endif () |
| |
| # Select cpu |
| if (ANDROID_ABI STREQUAL "x86") |
| set(DE_CPU "DE_CPU_X86") |
| set(CMAKE_SYSTEM_PROCESSOR i686-android-linux) |
| else () |
| set(DE_CPU "DE_CPU_ARM") |
| set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi) |
| endif () |
| |
| # Path to LLVM |
| set(LLVM_PATH "${ANDROID_NDK_PATH}/toolchains/llvm-3.4/prebuilt/${ANDROID_NDK_HOST_OS}/") |
| |
| # Cross-compiler, search paths and sysroot |
| if (ANDROID_ABI STREQUAL "x86") |
| set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.8/prebuilt/${ANDROID_NDK_HOST_OS}/") |
| set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/i686-linux-android-") |
| set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86") |
| |
| set(CMAKE_FIND_ROOT_PATH |
| "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.8/libs/${ANDROID_ABI}" |
| "${ANDROID_CC_PATH}i686-linux-android" |
| "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.8" |
| ${ANDROID_SYSROOT} |
| ) |
| |
| else () |
| set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.8/prebuilt/${ANDROID_NDK_HOST_OS}/") |
| set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/arm-linux-androideabi-") |
| set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm") |
| |
| set(CMAKE_FIND_ROOT_PATH |
| "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.8/libs/${ANDROID_ABI}" |
| "${ANDROID_CC_PATH}arm-linux-androideabi" |
| ${ANDROID_SYSROOT} |
| ) |
| |
| endif () |
| |
| # crtbegin_so.o & crtend_so.o \todo [pyry] Is there some special CMake variable for these? |
| if (DE_ANDROID_API GREATER 8) |
| set(CRTBEGIN_SO "${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o") |
| set(CRTEND_SO "${ANDROID_SYSROOT}/usr/lib/crtend_so.o") |
| endif () |
| |
| # libgcc |
| if (ANDROID_ABI STREQUAL "armeabi-v7a") |
| set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.8/armv7-a/libgcc.a") |
| elseif (ANDROID_ABI STREQUAL "armeabi") |
| set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.8/libgcc.a") |
| elseif (ANDROID_ABI STREQUAL "x86") |
| set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.8/libgcc.a") |
| else () |
| message(FATAL_ERROR "Don't know where libgcc.a is") |
| endif () |
| |
| # C++ library |
| set(LIBCPP "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.8/libs/${ANDROID_ABI}/libgnustl_static.a") |
| |
| include(CMakeForceCompiler) |
| |
| # Compiler binaries |
| if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR |
| ANDROID_NDK_HOST_OS STREQUAL "linux-x86_64" OR |
| ANDROID_NDK_HOST_OS STREQUAL "darwin-x86") |
| cmake_force_c_compiler("${LLVM_PATH}bin/clang" Clang) |
| cmake_force_cxx_compiler("${LLVM_PATH}bin/clang++" Clang) |
| set(CMAKE_AR "${CROSS_COMPILE}ar" CACHE FILEPATH "Archiver") |
| elseif (ANDROID_NDK_HOST_OS STREQUAL "windows") |
| cmake_force_c_compiler("${LLVM_PATH}bin/clang.exe" Clang) |
| cmake_force_cxx_compiler("${LLVM_PATH}bin/clang++.exe" Clang) |
| set(CMAKE_AR "${CROSS_COMPILE}ar.exe" CACHE FILEPATH "Archiver") |
| else () |
| message(FATAL_ERROR "Unknown ANDROID_NDK_HOST_OS") |
| endif () |
| |
| set(CMAKE_SHARED_LIBRARY_C_FLAGS "") |
| set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "") |
| |
| |
| 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>") |
| 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}") |
| set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC}") |
| |
| set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) |
| set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
| set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
| |
| set(COMMON_C_FLAGS "-gcc-toolchain ${ANDROID_CC_PATH} --sysroot=${ANDROID_SYSROOT} -fpic -no-canonical-prefixes -DANDROID -D__ANDROID__ -D__STDC_INT64__") |
| set(COMMON_LINKER_FLAGS "") |
| set(ARM_C_FLAGS "-mfloat-abi=softfp -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ") |
| |
| if (ANDROID_ABI STREQUAL "armeabi-v7a") |
| # For armeabi-v7a |
| set(TARGET_C_FLAGS "${ARM_C_FLAGS} -target armv7-none-linux-androideabi -march=armv7-a -mfpu=vfpv3-d16") |
| set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv7-a") |
| |
| elseif (ANDROID_ABI STREQUAL "armeabi") |
| # For armeabi (ARMv5TE) |
| set(TARGET_C_FLAGS "${ARM_C_FLAGS} -target armv5te-none-linux-androideabi -march=armv5te") |
| set(TARGET_LINKER_FLAGS "${ARM_LINKER_FLAGS} -march=armv5te") |
| |
| elseif (ANDROID_ABI STREQUAL "x86") |
| set(TARGET_C_FLAGS "-target i686-none-linux-android -march=i686 -msse3 -mstackrealign") |
| set(TARGET_LINKER_FLAGS "") |
| |
| else () |
| message(FATAL_ERROR "Unknown Android ABI \"${ANDROID_ABI}\"") |
| endif () |
| |
| # \note Without CACHE STRING FORCE cmake ignores these. |
| set(CMAKE_C_FLAGS "${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE) |
| set(CMAKE_CXX_FLAGS "${COMMON_C_FLAGS} ${TARGET_C_FLAGS} -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.8/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.8/libs/${ANDROID_ABI}/include" CACHE STRING "" FORCE) |
| set(CMAKE_SHARED_LINKER_FLAGS "-nostdlib -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE) |
| set(CMAKE_EXE_LINKER_FLAGS "${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE) |