1 # Platform defines. 2 set(CMAKE_SYSTEM_NAME Linux) 3 4 set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE) 5 6 set(CMAKE_CROSSCOMPILING 1) 7 8 # NDK installation path 9 if (NOT DEFINED ANDROID_NDK_PATH) 10 message(FATAL_ERROR "Please provide ANDROID_NDK_PATH") 11 endif () 12 13 # Host os (for toolchain binaries) 14 if (NOT DEFINED ANDROID_NDK_HOST_OS) 15 message(STATUS "Warning: ANDROID_NDK_HOST_OS is not set") 16 if (WIN32) 17 set(ANDROID_NDK_HOST_OS "windows") 18 elseif (UNIX) 19 set(ANDROID_NDK_HOST_OS "linux-86") 20 endif () 21 endif () 22 23 # Compile target 24 set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI") 25 set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}") 26 27 # dE defines 28 set(DE_OS "DE_OS_ANDROID") 29 set(DE_COMPILER "DE_COMPILER_GCC") 30 if (NOT DEFINED DE_ANDROID_API) 31 set(DE_ANDROID_API 9) 32 endif () 33 34 set(COMMON_C_FLAGS "-mandroid -D__STDC_INT64__") 35 set(COMMON_CXX_FLAGS "${COMMON_C_FLAGS} -frtti -fexceptions") 36 set(COMMON_LINKER_FLAGS "") 37 set(ARM_C_FLAGS "-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ") 38 39 # ABI-dependent bits 40 if (ANDROID_ABI STREQUAL "x86") 41 set(DE_CPU "DE_CPU_X86") 42 set(CMAKE_SYSTEM_PROCESSOR i686-android-linux) 43 44 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/") 45 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/i686-linux-android-") 46 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86") 47 set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9/libgcc.a") 48 49 set(CMAKE_FIND_ROOT_PATH 50 "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}" 51 "${ANDROID_CC_PATH}i686-linux-android" 52 "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9" 53 ${ANDROID_SYSROOT} 54 ) 55 56 set(TARGET_C_FLAGS "-march=i686 -msse3 -mstackrealign -mfpmath=sse") 57 set(TARGET_LINKER_FLAGS "") 58 59 elseif (ANDROID_ABI STREQUAL "armeabi" OR 60 ANDROID_ABI STREQUAL "armeabi-v7a") 61 set(DE_CPU "DE_CPU_ARM") 62 set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi) 63 64 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/") 65 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/arm-linux-androideabi-") 66 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm") 67 68 if (ANDROID_ABI STREQUAL "armeabi-v7a") 69 set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp") 70 set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv7-a") 71 set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.9/armv7-a/libgcc.a") 72 73 else () # armeabi 74 set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv5te -mfloat-abi=softfp") 75 set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv5te") 76 set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.9/libgcc.a") 77 endif () 78 79 set(CMAKE_FIND_ROOT_PATH 80 "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}" 81 "${ANDROID_CC_PATH}arm-linux-androideabi" 82 ${ANDROID_SYSROOT} 83 ) 84 85 elseif (ANDROID_ABI STREQUAL "arm64-v8a") 86 set(DE_CPU "DE_CPU_ARM_64") 87 set(CMAKE_SYSTEM_PROCESSOR aarch64-linux-android) 88 set(CMAKE_SIZEOF_VOID_P 8) 89 90 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/aarch64-linux-android-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/") 91 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/aarch64-linux-android-") 92 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm64") 93 set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/aarch64-linux-android/4.9/libgcc.a") 94 95 set(CMAKE_FIND_ROOT_PATH 96 "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}" 97 "${ANDROID_CC_PATH}arm-linux-androideabi" 98 ${ANDROID_SYSROOT} 99 ) 100 101 set(TARGET_C_FLAGS "-march=armv8-a -mabi=lp64") 102 set(TARGET_LINKER_FLAGS "-march=armv8-a") 103 104 else () 105 message(FATAL_ERROR "Unknown ABI \"${ANDROID_ABI}\"") 106 endif () 107 108 # crtbegin_so.o & crtend_so.o \todo [pyry] Is there some special CMake variable for these? 109 if (DE_ANDROID_API GREATER 8) 110 set(CRTBEGIN_SO "${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o") 111 set(CRTEND_SO "${ANDROID_SYSROOT}/usr/lib/crtend_so.o") 112 endif () 113 114 # C++ library 115 set(LIBCPP "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/libgnustl_static.a") 116 117 include(CMakeForceCompiler) 118 119 if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR 120 ANDROID_NDK_HOST_OS STREQUAL "linux-x86_64" OR 121 ANDROID_NDK_HOST_OS STREQUAL "darwin-x86") 122 cmake_force_c_compiler("${CROSS_COMPILE}gcc" GNU) 123 cmake_force_cxx_compiler("${CROSS_COMPILE}g++" GNU) 124 elseif (ANDROID_NDK_HOST_OS STREQUAL "windows") 125 cmake_force_c_compiler("${CROSS_COMPILE}gcc.exe" GNU) 126 cmake_force_cxx_compiler("${CROSS_COMPILE}g++.exe" GNU) 127 else () 128 message(FATAL_ERROR "Unknown ANDROID_NDK_HOST_OS") 129 endif () 130 131 set(CMAKE_SHARED_LIBRARY_C_FLAGS "") 132 set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "") 133 134 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>") 135 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}") 136 set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC}") 137 138 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 139 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 140 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 141 142 # \note Without CACHE STRING FORCE cmake ignores these. 143 set(CMAKE_C_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE) 144 set(CMAKE_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_CXX_FLAGS} ${TARGET_C_FLAGS} -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/include" CACHE STRING "" FORCE) 145 set(CMAKE_SHARED_LINKER_FLAGS "-nostdlib -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE) 146 set(CMAKE_EXE_LINKER_FLAGS "${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE) 147
