# Copyright (c) 2010-2011, 2016, Ethan Rublee # Copyright (c) 2011-2014, Andrey Kamaev # Copyright (c) 2015-2016, Dmitry Moskalchuk # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, # this list of conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # 3. Neither the name of the copyright holder nor the names of its # contributors may be used to endorse or promote products derived from this # software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # ------------------------------------------------------------------------------ # Android CMake toolchain file, for use with the CrystaX NDK # Requires cmake 3.0 or newer (3.2 or newer is recommended). # # Usage Linux: # $ mkdir build && cd build # $ cmake -DCMAKE_TOOLCHAIN_FILE=$NDK/cmake/toolchain.cmake .. # $ make -j8 # # Usage Windows: # $ mkdir build && cd build # $ cmake.exe -G"MinGW Makefiles" # -DCMAKE_TOOLCHAIN_FILE=%NDK%\cmake\toolchain.cmake # -DCMAKE_MAKE_PROGRAM="C:\absolute\path\to\the\crystax-ndk\prebuilt\windows\bin\make.exe" .. # $ cmake.exe --build . # # # Options (can be set as cmake parameters: -D=): # ANDROID_ABI=armeabi-v7a - specifies the target Application Binary # Interface (ABI). This option nearly matches to the APP_ABI variable # used by ndk-build tool from Android NDK. # # Possible targets are: # "armeabi" - ARMv5TE based CPU with software floating point operations # "armeabi-v7a" - ARMv7 based devices with hardware FPU instructions # this ABI target is used by default # "armeabi-v7a+neon" - same as armeabi-v7a, but # sets NEON as floating-point unit # "armeabi-v7a+vfpv3" - same as armeabi-v7a, but # sets VFPV3 as floating-point unit (has 32 registers instead of 16) # "armeabi-v7a-hard" same as armeabi-v7a, but using -mhard-float # "armeabi-v6+vfp" - tuned for ARMv6 processors having VFP # "x86" - IA-32 instruction set # "mips" - MIPS32 instruction set # # 64-bit ABIs # "arm64-v8a" - ARMv8 AArch64 instruction set # "x86_64" - Intel64 instruction set (r1) # "mips64" - MIPS64 instruction set (r6) # # ANDROID_NATIVE_API_LEVEL=android-9 - level of Android API compile for. # Option is read-only when standalone toolchain is used. # # ANDROID_TOOLCHAIN_VERSION=gcc-5 - the version of the toolchain to be # used. The list of possible values depends on the NDK version. # For CrystaX NDK 10.3.1 the possible values are: # # * gcc-4.9 # * gcc-5 # * clang-3.6 # * clang-3.7 # # ANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.9 - the name of compiler # toolchain to be used. This is combination of ANDROID_ABI and ANDROID_TOOLCHAIN_VERSION # values. Use it only if you really need it. Usually, it's enough to specify # ANDROID_ABI and ANDROID_TOOLCHAIN_VERSION - ANDROID_TOOLCHAIN_NAME is deduced from them. # The list of possible values depends on the NDK version. For CrystaX NDK 10.3.1 # the possible values are: # # * aarch64-linux-android-4.9 # * aarch64-linux-android-5 # * aarch64-linux-android-clang3.6 # * aarch64-linux-android-clang3.7 # * arm-linux-androideabi-4.9 # * arm-linux-androideabi-5 # * arm-linux-androideabi-clang3.6 # * arm-linux-androideabi-clang3.7 # * mips64el-linux-android-4.9 # * mips64el-linux-android-5 # * mips64el-linux-android-clang3.6 # * mips64el-linux-android-clang3.7 # * mipsel-linux-android-4.9 # * mipsel-linux-android-5 # * mipsel-linux-android-clang3.6 # * mipsel-linux-android-clang3.7 # * x86-4.9 # * x86-5 # * x86-clang3.6 # * x86-clang3.7 # * x86_64-4.9 # * x86_64-5 # * x86_64-clang3.6 # * x86_64-clang3.7 # # ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions # instead of Thumb. Is not available for "armeabi-v6+vfp" # (is forced to be ON) ABI. # # ANDROID_NO_UNDEFINED=ON - set ON to show all undefined symbols as linker # errors even if they are not used. # # ANDROID_SO_UNDEFINED=OFF - set ON to allow undefined symbols in shared # libraries. Automatically turned for NDK r5x and r6x due to GLESv2 # problems. # # ANDROID_STL=gnustl_shared - specify the runtime to use. # # Possible values are: # none -> Do not configure the runtime. # system -> Use the default minimal system C++ runtime library. # Implies -fno-rtti -fno-exceptions. # Is not available for standalone toolchain. # system_re -> Use the default minimal system C++ runtime library. # Implies -frtti -fexceptions. # Is not available for standalone toolchain. # gnustl_static -> Use the GNU STL as a static library. # Implies -frtti -fexceptions. # gnustl_shared -> Use the GNU STL as a shared library. # Implies -frtti -fexceptions. # # ANDROID_STL_FORCE_FEATURES=ON - turn rtti and exceptions support based on # chosen runtime. If disabled, then the user is responsible for settings # these options. # # What?: # android-cmake toolchain searches for NDK/toolchain in the following order: # ANDROID_STANDALONE_TOOLCHAIN - cmake parameter # ANDROID_STANDALONE_TOOLCHAIN - environment variable # ANDROID_STANDALONE_TOOLCHAIN - default locations # # Make sure to do the following in your scripts: # SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${my_cxx_flags}" ) # SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${my_cxx_flags}" ) # The flags will be prepopulated with critical flags, so don't loose them. # Also be aware that toolchain also sets configuration-specific compiler # flags and linker flags. # # ANDROID and BUILD_ANDROID will be set to true, you may test any of these # variables to make necessary Android-specific configuration changes. # # Also ARMEABI or ARMEABI_V7A or ARMEABI_V7A_HARD or X86 or MIPS or ARM64_V8A or X86_64 or MIPS64 # will be set true, mutually exclusive. NEON option will be set true # if VFP is set to NEON. # # ------------------------------------------------------------------------------ cmake_minimum_required( VERSION 3.0.0 FATAL_ERROR ) if( DEFINED CMAKE_CROSSCOMPILING ) # subsequent toolchain loading is not really needed return() endif() if( CMAKE_TOOLCHAIN_FILE ) # touch toolchain variable to suppress "unused variable" warning endif() if (NOT CMAKE_BUILD_TYPE) set( CMAKE_BUILD_TYPE Release ) endif() if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT CMAKE_BUILD_TYPE STREQUAL "Release" ) message(FATAL_ERROR "CMAKE_BUILD_TYPE must be either 'Debug' or 'Release'") endif() set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/modules ${CMAKE_MODULE_PATH}) # inherit settings in recursive loads get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE ) if( _CMAKE_IN_TRY_COMPILE ) include( "${CMAKE_CURRENT_SOURCE_DIR}/../toolchain.config.cmake" OPTIONAL ) endif() # this one is important if( CMAKE_VERSION VERSION_GREATER "3.0.99" ) set( CMAKE_SYSTEM_NAME Android ) else() set( CMAKE_SYSTEM_NAME Linux ) endif() # this one not so much set( CMAKE_SYSTEM_VERSION 1 ) # rpath makes low sense for Android set( CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "" ) set( CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries." ) # known ABIs set( ANDROID_SUPPORTED_ABIS_arm "armeabi-v7a;armeabi;armeabi-v7a+neon;armeabi-v7a+vfpv3;armeabi-v7a-hard;armeabi-v7a-hard+neon;armeabi-v7a-hard+vfpv3;armeabi-v6+vfp" ) set( ANDROID_SUPPORTED_ABIS_arm64 "arm64-v8a" ) set( ANDROID_SUPPORTED_ABIS_x86 "x86" ) set( ANDROID_SUPPORTED_ABIS_x86_64 "x86_64" ) set( ANDROID_SUPPORTED_ABIS_mips "mips" ) set( ANDROID_SUPPORTED_ABIS_mips64 "mips64" ) if( NOT DEFINED ANDROID_APP_PIE ) set( ANDROID_APP_PIE TRUE ) endif() # API level defaults if ( ANDROID_APP_PIE ) set( ANDROID_DEFAULT_32BIT_API_LEVEL 16) else() set( ANDROID_DEFAULT_32BIT_API_LEVEL 9) endif() set( ANDROID_DEFAULT_64BIT_API_LEVEL 21) set( ANDROID_DEFAULT_NDK_API_LEVEL ${ANDROID_DEFAULT_32BIT_API_LEVEL} ) set( ANDROID_DEFAULT_NDK_API_LEVEL_x86 ${ANDROID_DEFAULT_32BIT_API_LEVEL} ) set( ANDROID_DEFAULT_NDK_API_LEVEL_mips ${ANDROID_DEFAULT_32BIT_API_LEVEL} ) set( ANDROID_DEFAULT_NDK_API_LEVEL_arm64 ${ANDROID_DEFAULT_64BIT_API_LEVEL} ) set( ANDROID_DEFAULT_NDK_API_LEVEL_x86_64 ${ANDROID_DEFAULT_64BIT_API_LEVEL} ) set( ANDROID_DEFAULT_NDK_API_LEVEL_mips64 ${ANDROID_DEFAULT_64BIT_API_LEVEL} ) set( DEFAULT_GCC_VERSION 5 ) set( DEFAULT_LLVM_VERSION 3.7 ) if( NOT DEFINED ANDROID_TOOLCHAIN_VERSION) set( ANDROID_TOOLCHAIN_VERSION gcc-${DEFAULT_GCC_VERSION}) endif() # Set ANDROID_PREBUILT_LIBRARIES to empty value initially set( ANDROID_PREBUILT_LIBRARIES ) macro( __LIST_FILTER listvar regex ) if( ${listvar} ) foreach( __val ${${listvar}} ) if( __val MATCHES "${regex}" ) list( REMOVE_ITEM ${listvar} "${__val}" ) endif() endforeach() endif() endmacro() macro( __INIT_VARIABLE var_name ) set( __test_path 0 ) foreach( __var ${ARGN} ) if( __var STREQUAL "PATH" ) set( __test_path 1 ) break() endif() endforeach() if( __test_path AND NOT EXISTS "${${var_name}}" ) unset( ${var_name} CACHE ) endif() if( " ${${var_name}}" STREQUAL " " ) set( __values 0 ) foreach( __var ${ARGN} ) if( __var STREQUAL "VALUES" ) set( __values 1 ) elseif( NOT __var STREQUAL "PATH" ) if( __var MATCHES "^ENV_.*$" ) string( REPLACE "ENV_" "" __var "${__var}" ) set( __value "$ENV{${__var}}" ) elseif( DEFINED ${__var} ) set( __value "${${__var}}" ) elseif( __values ) set( __value "${__var}" ) else() set( __value "" ) endif() if( NOT " ${__value}" STREQUAL " " AND (NOT __test_path OR EXISTS "${__value}") ) set( ${var_name} "${__value}" ) break() endif() endif() endforeach() unset( __value ) unset( __values ) endif() if( __test_path ) file( TO_CMAKE_PATH "${${var_name}}" ${var_name} ) endif() unset( __test_path ) endmacro() macro( __DETECT_NATIVE_API_LEVEL _var _path ) set( __ndkApiLevelRegex "^[\t ]*#define[\t ]+__ANDROID_API__[\t ]+([0-9]+)[\t ]*.*$" ) file( STRINGS ${_path} __apiFileContent REGEX "${__ndkApiLevelRegex}" ) if( NOT __apiFileContent ) message( SEND_ERROR "Could not get Android native API level. Probably you have specified invalid level value, or your copy of NDK/toolchain is broken." ) endif() string( REGEX REPLACE "${__ndkApiLevelRegex}" "\\1" ${_var} "${__apiFileContent}" ) unset( __apiFileContent ) unset( __ndkApiLevelRegex ) endmacro() macro( __DETECT_TOOLCHAIN_MACHINE_NAME _var _root ) if( EXISTS "${_root}" ) file( GLOB __gccExePath RELATIVE "${_root}/bin/" "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" ) __LIST_FILTER( __gccExePath "^[.].*" ) list( LENGTH __gccExePath __gccExePathsCount ) if( NOT __gccExePathsCount EQUAL 1 AND NOT _CMAKE_IN_TRY_COMPILE ) message( WARNING "Could not determine machine name for compiler from ${_root}" ) set( ${_var} "" ) else() get_filename_component( __gccExeName "${__gccExePath}" NAME_WE ) string( REPLACE "-gcc" "" ${_var} "${__gccExeName}" ) endif() unset( __gccExePath ) unset( __gccExePathsCount ) unset( __gccExeName ) else() set( ${_var} "" ) endif() endmacro() # fight against cygwin set( ANDROID_FORBID_SYGWIN TRUE CACHE BOOL "Prevent cmake from working under cygwin and using cygwin tools") mark_as_advanced( ANDROID_FORBID_SYGWIN ) if( ANDROID_FORBID_SYGWIN ) if( CYGWIN ) message( FATAL_ERROR "Android NDK and android-cmake toolchain are not welcome Cygwin. It is unlikely that this cmake toolchain will work under cygwin. But if you want to try then you can set cmake variable ANDROID_FORBID_SYGWIN to FALSE and rerun cmake." ) endif() if( CMAKE_HOST_WIN32 ) # remove cygwin from PATH set( __new_path "$ENV{PATH}") __LIST_FILTER( __new_path "cygwin" ) set(ENV{PATH} "${__new_path}") unset(__new_path) endif() endif() # detect current host platform if( NOT DEFINED ANDROID_NDK_HOST_X64 AND (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64" OR CMAKE_HOST_APPLE) ) set( ANDROID_NDK_HOST_X64 1 CACHE BOOL "Try to use 64-bit compiler toolchain" ) mark_as_advanced( ANDROID_NDK_HOST_X64 ) endif() set( TOOL_OS_SUFFIX "" ) if( CMAKE_HOST_APPLE ) set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86_64" ) set( ANDROID_NDK_HOST_SYSTEM_NAME2 "darwin-x86" ) elseif( CMAKE_HOST_WIN32 ) set( ANDROID_NDK_HOST_SYSTEM_NAME "windows-x86_64" ) set( ANDROID_NDK_HOST_SYSTEM_NAME2 "windows" ) set( TOOL_OS_SUFFIX ".exe" ) elseif( CMAKE_HOST_UNIX ) set( ANDROID_NDK_HOST_SYSTEM_NAME "linux-x86_64" ) set( ANDROID_NDK_HOST_SYSTEM_NAME2 "linux-x86" ) else() message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" ) endif() if( NOT ANDROID_NDK_HOST_X64 ) set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) endif() if( NOT ANDROID_NDK ) get_filename_component(ANDROID_NDK ${CMAKE_CURRENT_LIST_DIR} DIRECTORY) endif() # remember found paths if( ANDROID_STANDALONE_TOOLCHAIN ) get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE ) # try to detect change if( CMAKE_AR ) string( LENGTH "${ANDROID_STANDALONE_TOOLCHAIN}" __length ) string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidStandaloneToolchainPreviousPath ) if( NOT __androidStandaloneToolchainPreviousPath STREQUAL ANDROID_STANDALONE_TOOLCHAIN ) message( FATAL_ERROR "It is not possible to change path to the Android standalone toolchain on subsequent run." ) endif() unset( __androidStandaloneToolchainPreviousPath ) unset( __length ) endif() set( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" CACHE INTERNAL "Path of the Android standalone toolchain" FORCE ) set( BUILD_WITH_STANDALONE_TOOLCHAIN True ) elseif( ANDROID_NDK ) get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE ) set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE ) set( BUILD_WITH_ANDROID_NDK True ) else() message( FATAL_ERROR "Could not find neither Android NDK nor Android standalone toolchain. You should set an environment variable: export ANDROID_NDK=~/my-android-ndk or export ANDROID_STANDALONE_TOOLCHAIN=~/my-android-toolchain" ) endif() # android NDK layout if( BUILD_WITH_ANDROID_NDK ) set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" ) set( ANDROID_NDK_TOOLCHAINS_BUILD_CORE_PATH "${ANDROID_NDK}/build/core/toolchains" ) set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" ) get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE ) get_filename_component( ANDROID_NDK_TOOLCHAINS_BUILD_CORE_PATH "${ANDROID_NDK_TOOLCHAINS_BUILD_CORE_PATH}" ABSOLUTE ) # try to detect change of NDK if( CMAKE_AR ) string( LENGTH "${ANDROID_NDK_TOOLCHAINS_PATH}" __length ) string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK_TOOLCHAINS_PATH ) message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first. " ) endif() unset( __androidNdkPreviousPath ) unset( __length ) endif() endif() # get all the details about standalone toolchain if( BUILD_WITH_STANDALONE_TOOLCHAIN ) __DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" ) set( ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) set( __availableToolchains "standalone" ) __DETECT_TOOLCHAIN_MACHINE_NAME( __availableToolchainMachines "${ANDROID_STANDALONE_TOOLCHAIN}" ) if( NOT __availableToolchainMachines ) message( FATAL_ERROR "Could not determine machine name of your toolchain. Probably your Android standalone toolchain is broken." ) endif() if( __availableToolchainMachines MATCHES x86_64 ) set( __availableToolchainArchs "x86_64" ) elseif( __availableToolchainMachines MATCHES i686 ) set( __availableToolchainArchs "x86" ) elseif( __availableToolchainMachines MATCHES aarch64 ) set( __availableToolchainArchs "arm64" ) elseif( __availableToolchainMachines MATCHES arm ) set( __availableToolchainArchs "arm" ) elseif( __availableToolchainMachines MATCHES mips64el ) set( __availableToolchainArchs "mips64" ) elseif( __availableToolchainMachines MATCHES mipsel ) set( __availableToolchainArchs "mips" ) endif() execute_process( COMMAND "${ANDROID_STANDALONE_TOOLCHAIN}/bin/${__availableToolchainMachines}-gcc${TOOL_OS_SUFFIX}" -dumpversion OUTPUT_VARIABLE __availableToolchainCompilerVersions OUTPUT_STRIP_TRAILING_WHITESPACE ) string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9]+)?" __availableToolchainCompilerVersions "${__availableToolchainCompilerVersions}" ) if( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/bin/clang${TOOL_OS_SUFFIX}" ) list( APPEND __availableToolchains "standalone-clang" ) list( APPEND __availableToolchainMachines ${__availableToolchainMachines} ) list( APPEND __availableToolchainArchs ${__availableToolchainArchs} ) list( APPEND __availableToolchainCompilerVersions ${__availableToolchainCompilerVersions} ) endif() endif() macro( __GLOB_NDK_TOOLCHAINS __availableToolchainsVar __availableToolchainsLst __toolchain_subpath ) foreach( __toolchain ${${__availableToolchainsLst}} ) if( "${__toolchain}" MATCHES "-clang3[.][0-9]$" AND NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}${__toolchain_subpath}" ) string( REGEX REPLACE "-clang3[.][0-9]$" "-${DEFAULT_GCC_VERSION}" __gcc_toolchain "${__toolchain}" ) else() set( __gcc_toolchain "${__toolchain}" ) endif() __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK_TOOLCHAINS_PATH}/${__gcc_toolchain}${__toolchain_subpath}" ) if( __machine ) string( REGEX MATCH "[0-9]+([.][0-9x]+)?$" __version "${__gcc_toolchain}" ) if( __machine MATCHES x86_64 ) set( __arch "x86_64" ) elseif( __machine MATCHES i686 ) set( __arch "x86" ) elseif( __machine MATCHES aarch64 ) set( __arch "arm64" ) elseif( __machine MATCHES arm ) set( __arch "arm" ) elseif( __machine MATCHES mips64el ) set( __arch "mips64" ) elseif( __machine MATCHES mipsel ) set( __arch "mips" ) else() set( __arch "" ) endif() #message("machine: !${__machine}!\narch: !${__arch}!\nversion: !${__version}!\ntoolchain: !${__toolchain}!\n") if (__arch) list( APPEND __availableToolchainMachines "${__machine}" ) list( APPEND __availableToolchainArchs "${__arch}" ) list( APPEND __availableToolchainCompilerVersions "${__version}" ) list( APPEND ${__availableToolchainsVar} "${__toolchain}" ) endif() endif() unset( __gcc_toolchain ) endforeach() endmacro() if (NOT DEFINED ANDROID_ABI OR ANDROID_ABI STREQUAL "") message(FATAL_ERROR "No ANDROID_ABI specified.") endif() if( ANDROID_ABI STREQUAL "armeabi-v7a with NEON" ) set( ANDROID_ABI "armeabi-v7a+neon" ) elseif( ANDROID_ABI STREQUAL "armeabi-v7a with VFPV3" ) set( ANDROID_ABI "armeabi-v7a+vfpv3" ) elseif( ANDROID_ABI STREQUAL "armeabi-v7a-hard with NEON" ) set( ANDROID_ABI "armeabi-v7a-hard+neon" ) elseif( ANDROID_ABI STREQUAL "armeabi-v7a-hard with VFPV3" ) set( ANDROID_ABI "armeabi-v7a-hard+vfpv3" ) elseif( ANDROID_ABI STREQUAL "armeabi-v6 with VFP" ) set( ANDROID_ABI "armeabi-v6+vfp" ) endif() # set target ABI options if( ANDROID_ABI STREQUAL "x86" ) set( X86 true ) set( ANDROID_NDK_ABI_NAME "x86" ) set( ANDROID_ARCH_NAME "x86" ) set( ANDROID_LLVM_TRIPLE "i686-none-linux-android" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "x86" ) set( CMAKE_SYSTEM_PROCESSOR "i686" ) elseif( ANDROID_ABI STREQUAL "x86_64" ) set( X86 true ) set( X86_64 true ) set( ANDROID_NDK_ABI_NAME "x86_64" ) set( ANDROID_ARCH_NAME "x86_64" ) set( CMAKE_SYSTEM_PROCESSOR "x86_64" ) set( ANDROID_LLVM_TRIPLE "x86_64-none-linux-android" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "x86_64" ) elseif( ANDROID_ABI STREQUAL "mips64" ) set( MIPS64 true ) set( ANDROID_NDK_ABI_NAME "mips64" ) set( ANDROID_ARCH_NAME "mips64" ) set( ANDROID_LLVM_TRIPLE "mips64el-none-linux-android" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "mips64el-linux-android" ) set( CMAKE_SYSTEM_PROCESSOR "mips64" ) elseif( ANDROID_ABI STREQUAL "mips" ) set( MIPS true ) set( ANDROID_NDK_ABI_NAME "mips" ) set( ANDROID_ARCH_NAME "mips" ) set( ANDROID_LLVM_TRIPLE "mipsel-none-linux-android" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "mipsel-linux-android" ) set( CMAKE_SYSTEM_PROCESSOR "mips" ) elseif( ANDROID_ABI STREQUAL "arm64-v8a" ) set( ARM64_V8A true ) set( ANDROID_NDK_ABI_NAME "arm64-v8a" ) set( ANDROID_ARCH_NAME "arm64" ) set( ANDROID_LLVM_TRIPLE "aarch64-none-linux-android" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "aarch64-linux-android" ) set( CMAKE_SYSTEM_PROCESSOR "aarch64" ) set( VFPV3 true ) set( NEON true ) elseif( ANDROID_ABI STREQUAL "armeabi" ) set( ARMEABI true ) set( ANDROID_NDK_ABI_NAME "armeabi" ) set( ANDROID_ARCH_NAME "arm" ) set( ANDROID_LLVM_TRIPLE "armv5te-none-linux-androideabi" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "arm-linux-androideabi" ) set( CMAKE_SYSTEM_PROCESSOR "armv5te" ) elseif( ANDROID_ABI STREQUAL "armeabi-v6+vfp" ) set( ARMEABI_V6 true ) set( ANDROID_NDK_ABI_NAME "armeabi" ) set( ANDROID_ARCH_NAME "arm" ) set( ANDROID_LLVM_TRIPLE "armv5te-none-linux-androideabi" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "arm-linux-androideabi" ) set( CMAKE_SYSTEM_PROCESSOR "armv6" ) # need always fallback to older platform set( ARMEABI true ) elseif( ANDROID_ABI MATCHES "^armeabi-v7a(\\+.+)?$" ) set( ARMEABI_V7A true ) set( ANDROID_NDK_ABI_NAME "armeabi-v7a" ) set( ANDROID_ARCH_NAME "arm" ) set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "arm-linux-androideabi" ) set( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) if( ANDROID_ABI STREQUAL "armeabi-v7a+neon" ) set( VFPV3 true ) set( NEON true ) elseif( ANDROID_ABI STREQUAL "armeabi-v7a+vfpv3" ) set( VFPV3 true ) endif() elseif( ANDROID_ABI MATCHES "^armeabi-v7a-hard(\\+.+)?$" ) set( ARMEABI_V7A_HARD true ) set( ANDROID_NDK_ABI_NAME "armeabi-v7a-hard" ) set( ANDROID_ARCH_NAME "arm" ) set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" ) set( ANDROID_TOOLCHAIN_BUILD_NAME "arm-linux-androideabi" ) set( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) if( ANDROID_ABI STREQUAL "armeabi-v7a-hard+neon" ) set( VFPV3 true ) set( NEON true ) elseif( ANDROID_ABI STREQUAL "armeabi-v7a-hard+vfpv3" ) set( VFPV3 true ) endif() else() message( SEND_ERROR "Unknown ANDROID_ABI=\"${ANDROID_ABI}\" is specified." ) endif() # get all the details about NDK if( BUILD_WITH_ANDROID_NDK ) file( GLOB ANDROID_SUPPORTED_NATIVE_API_LEVELS RELATIVE "${ANDROID_NDK}/platforms" "${ANDROID_NDK}/platforms/android-*" ) string( REPLACE "android-" "" ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_SUPPORTED_NATIVE_API_LEVELS}" ) set( __availableToolchains "" ) set( __availableToolchainMachines "" ) set( __availableToolchainArchs "" ) set( __availableToolchainCompilerVersions "" ) if( ANDROID_TOOLCHAIN_VERSION ) string(REGEX REPLACE "^gcc-" "" __androidToolchainVersion ${ANDROID_TOOLCHAIN_VERSION} ) string(REGEX REPLACE "^gcc" "" __androidToolchainVersion ${__androidToolchainVersion} ) set( ANDROID_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_BUILD_NAME}-${__androidToolchainVersion}") endif() if( ANDROID_TOOLCHAIN_NAME AND EXISTS "${ANDROID_NDK_TOOLCHAINS_BUILD_CORE_PATH}/${ANDROID_TOOLCHAIN_NAME}/" ) # do not go through all toolchains if we know the name set( __availableToolchainsLst "${ANDROID_TOOLCHAIN_NAME}" ) __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 ) __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" ) if( __availableToolchains ) set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) endif() endif() endif() if( NOT __availableToolchains ) file( GLOB __availableToolchainsLst RELATIVE "${ANDROID_NDK_TOOLCHAINS_PATH}" "${ANDROID_NDK_TOOLCHAINS_PATH}/*" ) if( __availableToolchainsLst ) list(SORT __availableToolchainsLst) # we need clang to go after gcc endif() __LIST_FILTER( __availableToolchainsLst "^[.]" ) __LIST_FILTER( __availableToolchainsLst "llvm" ) __LIST_FILTER( __availableToolchainsLst "renderscript" ) __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 ) __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" ) if( __availableToolchains ) set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) endif() endif() endif() if( NOT __availableToolchains ) message( FATAL_ERROR "Could not find any working toolchain in the NDK. Probably your Android NDK is broken." ) endif() endif() # build list of available ABIs set( ANDROID_SUPPORTED_ABIS "" ) set( __uniqToolchainArchNames ${__availableToolchainArchs} ) list( REMOVE_DUPLICATES __uniqToolchainArchNames ) list( SORT __uniqToolchainArchNames ) foreach( __arch ${__uniqToolchainArchNames} ) list( APPEND ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${__arch}} ) endforeach() unset( __uniqToolchainArchNames ) if( NOT ANDROID_SUPPORTED_ABIS ) message( FATAL_ERROR "No one of known Android ABIs is supported by this cmake toolchain." ) endif() # choose target ABI __INIT_VARIABLE( ANDROID_ABI VALUES ${ANDROID_SUPPORTED_ABIS} ) # verify that target ABI is supported list( FIND ANDROID_SUPPORTED_ABIS "${ANDROID_ABI}" __androidAbiIdx ) if( __androidAbiIdx EQUAL -1 ) string( REPLACE ";" "\", \"" PRINTABLE_ANDROID_SUPPORTED_ABIS "${ANDROID_SUPPORTED_ABIS}" ) message( FATAL_ERROR "Specified ANDROID_ABI = \"${ANDROID_ABI}\" is not supported by this cmake toolchain or your NDK/toolchain. Supported values are: \"${PRINTABLE_ANDROID_SUPPORTED_ABIS}\" " ) endif() unset( __androidAbiIdx ) if( CMAKE_BINARY_DIR AND EXISTS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" ) # really dirty hack # it is not possible to change CMAKE_SYSTEM_PROCESSOR after the first run... file( APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" "SET(CMAKE_SYSTEM_PROCESSOR \"${CMAKE_SYSTEM_PROCESSOR}\")\n" ) endif() if( ANDROID_ARCH_NAME STREQUAL "arm" AND NOT ARMEABI_V6 ) __INIT_VARIABLE( ANDROID_FORCE_ARM_BUILD VALUES OFF ) set( ANDROID_FORCE_ARM_BUILD ${ANDROID_FORCE_ARM_BUILD} CACHE BOOL "Use 32-bit ARM instructions instead of Thumb-1" FORCE ) mark_as_advanced( ANDROID_FORCE_ARM_BUILD ) else() unset( ANDROID_FORCE_ARM_BUILD CACHE ) endif() # choose toolchain if( ANDROID_TOOLCHAIN_NAME ) list( FIND __availableToolchains "${ANDROID_TOOLCHAIN_NAME}" __toolchainIdx ) if( __toolchainIdx EQUAL -1 ) list( SORT __availableToolchains ) string( REPLACE ";" "\n * " toolchains_list "${__availableToolchains}" ) set( toolchains_list " * ${toolchains_list}") message( FATAL_ERROR "Specified toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is missing in your NDK or broken. Please verify that your NDK is working or select another compiler toolchain. To configure the toolchain set CMake variable ANDROID_TOOLCHAIN_NAME to one of the following values:\n${toolchains_list}\n" ) endif() list( GET __availableToolchainArchs ${__toolchainIdx} __toolchainArch ) if( NOT __toolchainArch STREQUAL ANDROID_ARCH_NAME ) message( SEND_ERROR "Selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is not able to compile binaries for the \"${ANDROID_ARCH_NAME}\" platform." ) endif() else() set( __toolchainIdx -1 ) set( __applicableToolchains "" ) set( __toolchainMaxVersion "0.0.0" ) list( LENGTH __availableToolchains __availableToolchainsCount ) math( EXPR __availableToolchainsCount "${__availableToolchainsCount}-1" ) foreach( __idx RANGE ${__availableToolchainsCount} ) list( GET __availableToolchainArchs ${__idx} __toolchainArch ) if( __toolchainArch STREQUAL ANDROID_ARCH_NAME ) list( GET __availableToolchainCompilerVersions ${__idx} __toolchainVersion ) string( REPLACE "x" "99" __toolchainVersion "${__toolchainVersion}") if( __toolchainVersion VERSION_GREATER __toolchainMaxVersion ) set( __toolchainMaxVersion "${__toolchainVersion}" ) set( __toolchainIdx ${__idx} ) endif() endif() endforeach() unset( __availableToolchainsCount ) unset( __toolchainMaxVersion ) unset( __toolchainVersion ) endif() unset( __toolchainArch ) if( __toolchainIdx EQUAL -1 ) message( FATAL_ERROR "No one of available compiler toolchains is able to compile for ${ANDROID_ARCH_NAME} platform." ) endif() list( GET __availableToolchains ${__toolchainIdx} ANDROID_TOOLCHAIN_NAME ) list( GET __availableToolchainMachines ${__toolchainIdx} ANDROID_TOOLCHAIN_MACHINE_NAME ) list( GET __availableToolchainCompilerVersions ${__toolchainIdx} ANDROID_COMPILER_VERSION ) unset( __toolchainIdx ) unset( __availableToolchains ) unset( __availableToolchainMachines ) unset( __availableToolchainArchs ) unset( __availableToolchainCompilerVersions ) # choose native API level __INIT_VARIABLE( ANDROID_NATIVE_API_LEVEL ENV_ANDROID_NATIVE_API_LEVEL ANDROID_API_LEVEL ENV_ANDROID_API_LEVEL ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME} ANDROID_DEFAULT_NDK_API_LEVEL ) string( REPLACE "android-" "" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" ) string( STRIP "${ANDROID_NATIVE_API_LEVEL}" ANDROID_NATIVE_API_LEVEL ) # adjust API level set( __real_api_level ${ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME}} ) foreach( __level ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) if( (__level LESS ANDROID_NATIVE_API_LEVEL OR __level STREQUAL ANDROID_NATIVE_API_LEVEL) AND NOT __level LESS __real_api_level ) set( __real_api_level ${__level} ) endif() endforeach() if( __real_api_level AND NOT ANDROID_NATIVE_API_LEVEL STREQUAL __real_api_level ) message( STATUS "Adjusting Android API level 'android-${ANDROID_NATIVE_API_LEVEL}' to 'android-${__real_api_level}'") set( ANDROID_NATIVE_API_LEVEL ${__real_api_level} ) endif() unset(__real_api_level) # validate list( FIND ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_NATIVE_API_LEVEL}" __levelIdx ) if( __levelIdx EQUAL -1 ) message( SEND_ERROR "Specified Android native API level 'android-${ANDROID_NATIVE_API_LEVEL}' is not supported by your NDK/toolchain." ) else() if( BUILD_WITH_ANDROID_NDK ) __DETECT_NATIVE_API_LEVEL( __realApiLevel "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}/usr/include/android/api-level.h" ) if( NOT __realApiLevel EQUAL ANDROID_NATIVE_API_LEVEL AND NOT __realApiLevel GREATER 9000 ) message( SEND_ERROR "Specified Android API level (${ANDROID_NATIVE_API_LEVEL}) does not match to the level found (${__realApiLevel}). Probably your copy of NDK is broken." ) endif() unset( __realApiLevel ) endif() set( ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" CACHE STRING "Android API level for native code" FORCE ) set( CMAKE_ANDROID_API ${ANDROID_NATIVE_API_LEVEL} ) if( CMAKE_VERSION VERSION_GREATER "2.8" ) list( SORT ANDROID_SUPPORTED_NATIVE_API_LEVELS ) set_property( CACHE ANDROID_NATIVE_API_LEVEL PROPERTY STRINGS ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) endif() endif() unset( __levelIdx ) # remember target ABI set( ANDROID_ABI "${ANDROID_ABI}" CACHE STRING "The target ABI for Android. If arm, then armeabi-v7a is recommended for hardware floating point." FORCE ) if( CMAKE_VERSION VERSION_GREATER "2.8" ) list( SORT ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME} ) set_property( CACHE ANDROID_ABI PROPERTY STRINGS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME}} ) endif() # runtime choice (STL, rtti, exceptions) if( NOT ANDROID_STL ) set( ANDROID_STL gnustl_shared ) endif() set( ANDROID_STL "${ANDROID_STL}" CACHE STRING "C++ runtime" ) set( ANDROID_STL_FORCE_FEATURES ON CACHE BOOL "automatically configure rtti and exceptions support based on C++ runtime" ) mark_as_advanced( ANDROID_STL ANDROID_STL_FORCE_FEATURES ) if( BUILD_WITH_ANDROID_NDK ) if( NOT "${ANDROID_STL}" MATCHES "^(none|system|system_re|gnustl_static|gnustl_shared)$") message( FATAL_ERROR "ANDROID_STL is set to invalid value \"${ANDROID_STL}\". The possible values are: none -> Do not configure the runtime. system -> Use the default minimal system C++ runtime library. system_re -> Same as system but with rtti and exceptions. gnustl_static -> (default) Use the GNU STL as a static library. gnustl_shared -> Use the GNU STL as a shared library. " ) endif() elseif( BUILD_WITH_STANDALONE_TOOLCHAIN ) if( NOT "${ANDROID_STL}" MATCHES "^(none|gnustl_static|gnustl_shared)$") message( FATAL_ERROR "ANDROID_STL is set to invalid value \"${ANDROID_STL}\". The possible values are: none -> Do not configure the runtime. gnustl_static -> (default) Use the GNU STL as a static library. gnustl_shared -> Use the GNU STL as a shared library. " ) endif() endif() unset( ANDROID_RTTI ) unset( ANDROID_EXCEPTIONS ) unset( ANDROID_STL_INCLUDE_DIRS ) unset( __libstl ) unset( __libsupcxx ) # setup paths and STL for standalone toolchain if( BUILD_WITH_STANDALONE_TOOLCHAIN ) set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" ) set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" ) set( ANDROID_SYSROOT "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot" ) if( NOT ANDROID_STL STREQUAL "none" ) set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/include/c++/${ANDROID_COMPILER_VERSION}" ) if( NOT EXISTS "${ANDROID_STL_INCLUDE_DIRS}" ) # old location ( pre r8c ) set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}" ) endif() if( ARMEABI_V7A AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/bits" ) list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}" ) elseif( ARMEABI_V7A_HARD AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/bits" ) list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}" ) elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb/bits" ) list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb" ) else() list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" ) endif() # always search static GNU STL to get the location of libsupc++.a if( ARMEABI_V7A AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libstdc++.a" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb" ) elseif( ARMEABI_V7A AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libstdc++.a" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}" ) elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libstdc++.a" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb" ) elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libstdc++.a" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib" ) endif() if( __libstl ) set( __libsupcxx "${__libstl}/libsupc++.a" ) set( __libstl "${__libstl}/libstdc++.a" ) endif() if( NOT EXISTS "${__libsupcxx}" ) message( FATAL_ERROR "The required libstdsupc++.a is missing in your standalone toolchain. Usually it happens because of bug in make-standalone-toolchain.sh script from NDK r7, r7b and r7c. You need to either upgrade to newer NDK or manually copy $ANDROID_NDK/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a to ${__libsupcxx} " ) endif() if( ANDROID_STL STREQUAL "gnustl_shared" ) if( ARMEABI_V7A AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" ) elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" ) elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" ) set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" ) endif() endif() endif() endif() # clang if( "${ANDROID_TOOLCHAIN_NAME}" STREQUAL "standalone-clang" ) set( ANDROID_COMPILER_IS_CLANG 1 ) execute_process( COMMAND "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/clang${TOOL_OS_SUFFIX}" --version OUTPUT_VARIABLE ANDROID_CLANG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE ) string( REGEX MATCH "[0-9]+[.][0-9]+" ANDROID_CLANG_VERSION "${ANDROID_CLANG_VERSION}") elseif( "${ANDROID_TOOLCHAIN_NAME}" MATCHES "-clang3[.][0-9]?$" ) string( REGEX MATCH "3[.][0-9]$" ANDROID_CLANG_VERSION "${ANDROID_TOOLCHAIN_NAME}") string( REGEX REPLACE "-clang${ANDROID_CLANG_VERSION}$" "-${ANDROID_COMPILER_VERSION}" ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" ) if( NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}/bin/clang${TOOL_OS_SUFFIX}" ) message( FATAL_ERROR "Could not find the Clang compiler driver" ) endif() set( ANDROID_COMPILER_IS_CLANG 1 ) set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) else() set( ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" ) unset( ANDROID_COMPILER_IS_CLANG CACHE ) endif() string( REPLACE "." "" _clang_name "clang${ANDROID_CLANG_VERSION}" ) if( NOT EXISTS "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" ) set( _clang_name "clang" ) endif() # setup paths and STL for NDK if( BUILD_WITH_ANDROID_NDK ) set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) set( ANDROID_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}" ) if( ANDROID_STL STREQUAL "none" ) # do nothing elseif( ANDROID_STL STREQUAL "system" ) set( ANDROID_RTTI OFF ) set( ANDROID_EXCEPTIONS OFF ) set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" ) elseif( ANDROID_STL STREQUAL "system_re" ) set( ANDROID_RTTI ON ) set( ANDROID_EXCEPTIONS ON ) set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" ) elseif( ANDROID_STL MATCHES "gnustl" ) set( ANDROID_EXCEPTIONS ON ) set( ANDROID_RTTI ON ) set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) set( ANDROID_STL_INCLUDE_DIRS "${__libstl}/include" "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/include" "${__libstl}/include/backward" ) if( EXISTS "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" ) set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" ) else() set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libstdc++.a" ) endif() else() message( FATAL_ERROR "Unknown runtime: ${ANDROID_STL}" ) endif() # find libsupc++.a - rtti & exceptions if( ANDROID_STL STREQUAL "system_re" OR ANDROID_STL MATCHES "gnustl" ) set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) # r8b or newer if( NOT EXISTS "${__libsupcxx}" ) set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) # r7-r8 endif() if( NOT EXISTS "${__libsupcxx}" ) # before r7 if( ARMEABI_V7A ) if( ANDROID_FORCE_ARM_BUILD ) set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libsupc++.a" ) else() set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libsupc++.a" ) endif() elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD ) set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libsupc++.a" ) else() set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" ) endif() endif() if( NOT EXISTS "${__libsupcxx}") message( ERROR "Could not find libsupc++.a for a chosen platform. Either your NDK is not supported or is broken.") endif() endif() endif() # case of shared STL linkage if( ANDROID_STL MATCHES "shared" AND DEFINED __libstl ) string( REPLACE "_static.a" "_shared.so" __libstl "${__libstl}" ) # TODO: check if .so file exists before the renaming endif() # ccache support __INIT_VARIABLE( _ndk_ccache NDK_CCACHE ENV_NDK_CCACHE ) if( _ndk_ccache ) if( DEFINED NDK_CCACHE AND NOT EXISTS NDK_CCACHE ) unset( NDK_CCACHE CACHE ) endif() find_program( NDK_CCACHE "${_ndk_ccache}" DOC "The path to ccache binary") else() unset( NDK_CCACHE CACHE ) endif() unset( _ndk_ccache ) # setup the cross-compiler if( NOT CMAKE_C_COMPILER ) if( NDK_CCACHE AND NOT ANDROID_SYSROOT MATCHES "[ ;\"]" ) set( CMAKE_C_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C compiler" ) set( CMAKE_CXX_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C++ compiler" ) if( ANDROID_COMPILER_IS_CLANG ) set( CMAKE_C_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") else() set( CMAKE_C_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") endif() else() if( ANDROID_COMPILER_IS_CLANG ) set( CMAKE_C_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") set( CMAKE_CXX_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") else() set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler" ) set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler" ) endif() endif() if( ANDROID_COMPILER_IS_CLANG ) set( CMAKE_ASM_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "assembler" ) else() set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "assembler" ) endif() set( CMAKE_STRIP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" ) if( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc-ar${TOOL_OS_SUFFIX}" ) # Use gcc-ar if we have it for better LTO support. set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" ) else() set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" ) endif() set( CMAKE_LINKER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" ) set( CMAKE_NM "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-nm${TOOL_OS_SUFFIX}" CACHE PATH "nm" ) set( CMAKE_OBJCOPY "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-objcopy${TOOL_OS_SUFFIX}" CACHE PATH "objcopy" ) set( CMAKE_OBJDUMP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-objdump${TOOL_OS_SUFFIX}" CACHE PATH "objdump" ) set( CMAKE_RANLIB "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ranlib${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" ) endif() set( _CMAKE_TOOLCHAIN_PREFIX "${ANDROID_TOOLCHAIN_MACHINE_NAME}-" ) if( CMAKE_VERSION VERSION_LESS 2.8.5 ) set( CMAKE_ASM_COMPILER_ARG1 "-c" ) endif() if( APPLE ) find_program( CMAKE_INSTALL_NAME_TOOL NAMES install_name_tool ) if( NOT CMAKE_INSTALL_NAME_TOOL ) message( FATAL_ERROR "Could not find install_name_tool, please check your installation." ) endif() mark_as_advanced( CMAKE_INSTALL_NAME_TOOL ) endif() remove_definitions( -DANDROID ) add_definitions( -DANDROID ) if( ANDROID_SYSROOT MATCHES "[ ;\"]" ) if( CMAKE_HOST_WIN32 ) # try to convert path to 8.3 form file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "@echo %~s1" ) execute_process( COMMAND "$ENV{ComSpec}" /c "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "${ANDROID_SYSROOT}" OUTPUT_VARIABLE __path OUTPUT_STRIP_TRAILING_WHITESPACE RESULT_VARIABLE __result ERROR_QUIET ) if( __result EQUAL 0 ) file( TO_CMAKE_PATH "${__path}" ANDROID_SYSROOT ) set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) else() set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" ) endif() else() set( ANDROID_CXX_FLAGS "'--sysroot=${ANDROID_SYSROOT}'" ) endif() if( NOT _CMAKE_IN_TRY_COMPILE ) # quotes can break try_compile and compiler identification message(WARNING "Path to your Android NDK (or toolchain) has non-alphanumeric symbols.\nThe build might be broken.\n") endif() else() set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) endif() # NDK flags if (ARM64_V8A ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) if( NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" ) endif() elseif( ARMEABI OR ARMEABI_V7A OR ARMEABI_V7A_HARD) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) if( NOT ANDROID_FORCE_ARM_BUILD AND NOT ARMEABI_V6 ) set( ANDROID_CXX_FLAGS_RELEASE "-mthumb -fomit-frame-pointer -fno-strict-aliasing" ) set( ANDROID_CXX_FLAGS_DEBUG "-mthumb -fno-omit-frame-pointer -fno-strict-aliasing" ) if( NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -finline-limit=64" ) endif() else() # always compile ARMEABI_V6 in arm mode; otherwise there is no difference from ARMEABI set( ANDROID_CXX_FLAGS_RELEASE "-marm -fomit-frame-pointer -fstrict-aliasing" ) set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" ) if( NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) endif() endif() elseif( X86 OR X86_64 ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) if( NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) endif() set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) elseif( MIPS OR MIPS64 ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-strict-aliasing -funwind-tables -fmessage-length=0" ) set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer" ) set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer" ) if( NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -finline-functions -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" ) endif() elseif() set( ANDROID_CXX_FLAGS_RELEASE "" ) set( ANDROID_CXX_FLAGS_DEBUG "" ) endif() set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) # good/necessary when porting desktop libraries if( NOT X86 AND NOT ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "-Wno-psabi ${ANDROID_CXX_FLAGS}" ) endif() set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -no-canonical-prefixes" ) # see https://android-review.googlesource.com/#/c/47564/ # ABI-specific flags if( ARMEABI_V7A ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mfloat-abi=softfp" ) if( NEON ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" ) elseif( VFPV3 ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3" ) else() set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3-d16" ) endif() elseif( ARMEABI_V7A_HARD ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mhard-float" ) if( NEON ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" ) elseif( VFPV3 ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3" ) else() set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3-d16" ) endif() elseif( ARMEABI_V6 ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv6 -mfloat-abi=softfp -mfpu=vfp" ) # vfp == vfpv2 elseif( ARMEABI ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv5te -mtune=xscale -msoft-float" ) endif() set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) unset( ANDROID_LIBSTDCXX_FILE ) unset( ANDROID_LIBSUPCXX_FILE ) # STL if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" ) if( EXISTS "${__libstl}" ) set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libstl}\"" ) set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libstl}\"" ) set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libstl}\"" ) set( ANDROID_LIBSTDCXX_FILE ${__libstl} ) list( APPEND ANDROID_PREBUILT_LIBRARIES ${ANDROID_LIBSTDCXX_FILE} ) endif() if( EXISTS "${__libsupcxx}" ) set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" ) set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" ) set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libsupcxx}\"" ) # C objects: set( CMAKE_C_CREATE_SHARED_LIBRARY " -o " ) set( CMAKE_C_CREATE_SHARED_MODULE " -o " ) set( CMAKE_C_LINK_EXECUTABLE " -o " ) set( CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" ) set( CMAKE_C_CREATE_SHARED_MODULE "${CMAKE_C_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" ) set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} \"${__libsupcxx}\"" ) set( ANDROID_LIBSUPCXX_FILE ${__libsupcxx} ) endif() endif() unset( ANDROID_LIBSTDCXX_LIBDIR ) if( DEFINED ANDROID_LIBSTDCXX_FILE ) get_filename_component( ANDROID_LIBSTDCXX_LIBDIR ${ANDROID_LIBSTDCXX_FILE} DIRECTORY ) endif() unset( ANDROID_LIBSUPCXX_LIBDIR ) if( DEFINED ANDROID_LIBSUPCXX_FILE ) get_filename_component( ANDROID_LIBSUPCXX_LIBDIR ${ANDROID_LIBSUPCXX_FILE} DIRECTORY ) endif() set( ANDROID_LIBCRYSTAX_DIR ${ANDROID_NDK}/sources/crystax ) set( ANDROID_LIBCRYSTAX_INCDIR ${ANDROID_LIBCRYSTAX_DIR}/include ) set( ANDROID_LIBCRYSTAX_LIBDIR ${ANDROID_LIBCRYSTAX_DIR}/libs/${ANDROID_NDK_ABI_NAME} ) if( ANDROID_NDK_ABI_NAME MATCHES "^armeabi.*$" AND NOT ANDROID_FORCE_ARM_BUILD ) set( ANDROID_LIBCRYSTAX_LIBDIR ${ANDROID_LIBCRYSTAX_LIBDIR}/thumb ) endif() set( ANDROID_LIBCRYSTAX_FILE ${ANDROID_LIBCRYSTAX_LIBDIR}/libcrystax.so ) list( APPEND ANDROID_PREBUILT_LIBRARIES ${ANDROID_LIBCRYSTAX_FILE} ) set( __androidLinkOptions ) set( __androidLinkOptions "${__androidLinkOptions} -L${ANDROID_LIBCRYSTAX_LIBDIR} -lcrystax" ) set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${__androidLinkOptions}" ) set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${__androidLinkOptions}" ) set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${__androidLinkOptions}" ) set( CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY} ${__androidLinkOptions}" ) set( CMAKE_C_CREATE_SHARED_MODULE "${CMAKE_C_CREATE_SHARED_MODULE} ${__androidLinkOptions}" ) set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} ${__androidLinkOptions}" ) # variables controlling optional build flags __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF ) __INIT_VARIABLE( ANDROID_NO_UNDEFINED VALUES ON ) __INIT_VARIABLE( ANDROID_FUNCTION_LEVEL_LINKING VALUES ON ) __INIT_VARIABLE( ANDROID_GOLD_LINKER VALUES ON ) __INIT_VARIABLE( ANDROID_NOEXECSTACK VALUES ON ) __INIT_VARIABLE( ANDROID_RELRO VALUES ON ) set( ANDROID_NO_UNDEFINED ${ANDROID_NO_UNDEFINED} CACHE BOOL "Show all undefined symbols as linker errors" ) set( ANDROID_SO_UNDEFINED ${ANDROID_SO_UNDEFINED} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" ) set( ANDROID_FUNCTION_LEVEL_LINKING ${ANDROID_FUNCTION_LEVEL_LINKING} CACHE BOOL "Put each function in separate section and enable garbage collection of unused input sections at link time" ) set( ANDROID_GOLD_LINKER ${ANDROID_GOLD_LINKER} CACHE BOOL "Enables gold linker" ) set( ANDROID_NOEXECSTACK ${ANDROID_NOEXECSTACK} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" ) set( ANDROID_RELRO ${ANDROID_RELRO} CACHE BOOL "Enables RELRO - a memory corruption mitigation technique" ) mark_as_advanced( ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_FUNCTION_LEVEL_LINKING ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO ) # linker flags set( ANDROID_LINKER_FLAGS "" ) if( ARMEABI_V7A OR ARMEABI_V7A_HARD ) # this is *required* to use the following linker flags that routes around # a CPU bug in some Cortex-A8 implementations: set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--fix-cortex-a8" ) endif() if( ARMEABI_V7A_HARD ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-warn-mismatch" ) endif() if( ANDROID_NO_UNDEFINED ) if( MIPS ) # there is some sysroot-related problem in mips linker... if( NOT ANDROID_SYSROOT MATCHES "[ ;\"]" ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib" ) endif() else() set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" ) endif() endif() if( ANDROID_SO_UNDEFINED ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-allow-shlib-undefined" ) endif() if( ANDROID_FUNCTION_LEVEL_LINKING ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fdata-sections -ffunction-sections" ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--gc-sections" ) endif() if( ANDROID_NOEXECSTACK ) if( ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Xclang -mnoexecstack" ) else() set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Wa,--noexecstack" ) endif() set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,noexecstack" ) endif() if( ANDROID_RELRO ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,relro -Wl,-z,now" ) endif() if( ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "-target ${ANDROID_LLVM_TRIPLE} -Qunused-arguments ${ANDROID_CXX_FLAGS}" ) if( BUILD_WITH_ANDROID_NDK ) set( ANDROID_CXX_FLAGS "-gcc-toolchain ${ANDROID_TOOLCHAIN_ROOT} ${ANDROID_CXX_FLAGS}" ) endif() endif() # cache flags set( CMAKE_CXX_FLAGS "" CACHE STRING "c++ flags" ) set( CMAKE_C_FLAGS "" CACHE STRING "c flags" ) set( CMAKE_CXX_FLAGS_RELEASE "-O3 -g -DNDEBUG" CACHE STRING "c++ Release flags" ) set( CMAKE_C_FLAGS_RELEASE "-O3 -g -DNDEBUG" CACHE STRING "c Release flags" ) set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c++ Debug flags" ) set( CMAKE_C_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c Debug flags" ) set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared linker flags" ) set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags" ) set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker flags" ) # put flags to cache (for debug purpose only) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Android specific c/c++ flags" ) set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE}" CACHE INTERNAL "Android specific c/c++ Release flags" ) set( ANDROID_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG}" CACHE INTERNAL "Android specific c/c++ Debug flags" ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Android specific c/c++ linker flags" ) # finish flags set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_C_FLAGS}" ) set( CMAKE_ASM_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_ASM_FLAGS}" ) set( CMAKE_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_RELEASE}" ) set( CMAKE_C_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_C_FLAGS_RELEASE}" ) set( CMAKE_ASM_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_ASM_FLAGS_RELEASE}" ) set( CMAKE_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_DEBUG}" ) set( CMAKE_C_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_C_FLAGS_DEBUG}" ) set( CMAKE_ASM_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_ASM_FLAGS_DEBUG}" ) set( CMAKE_SHARED_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}" ) set( CMAKE_MODULE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}" ) set( CMAKE_EXE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" ) if( ANDROID_COMPILER_IS_CLANG ) set( ANDROID_APP_PIE TRUE ) endif() # pie/pic if( NOT (ANDROID_NATIVE_API_LEVEL LESS 16) AND (NOT DEFINED ANDROID_APP_PIE OR ANDROID_APP_PIE) AND (CMAKE_VERSION VERSION_GREATER 2.8.8) ) set( CMAKE_POSITION_INDEPENDENT_CODE TRUE ) set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fPIE -pie") else() set( CMAKE_POSITION_INDEPENDENT_CODE FALSE ) set( CMAKE_CXX_FLAGS "-fpic ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "-fpic ${CMAKE_C_FLAGS}" ) endif() # configure rtti if( DEFINED ANDROID_RTTI AND ANDROID_STL_FORCE_FEATURES ) if( ANDROID_RTTI ) set( CMAKE_CXX_FLAGS "-frtti ${CMAKE_CXX_FLAGS}" ) else() set( CMAKE_CXX_FLAGS "-fno-rtti ${CMAKE_CXX_FLAGS}" ) endif() endif() # configure exceptios if( DEFINED ANDROID_EXCEPTIONS AND ANDROID_STL_FORCE_FEATURES ) if( ANDROID_EXCEPTIONS ) set( CMAKE_CXX_FLAGS "-fexceptions ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "-fexceptions ${CMAKE_C_FLAGS}" ) else() set( CMAKE_CXX_FLAGS "-fno-exceptions ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "-fno-exceptions ${CMAKE_C_FLAGS}" ) endif() endif() # global includes and link directories include_directories( ${ANDROID_LIBCRYSTAX_INCDIR} "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} ) get_filename_component(__android_install_path "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ABSOLUTE) # avoid CMP0015 policy warning link_directories( "${__android_install_path}" ) # detect if need link crtbegin_so.o explicitly if( NOT DEFINED ANDROID_EXPLICIT_CRT_LINK ) set( __cmd "${CMAKE_CXX_CREATE_SHARED_LIBRARY}" ) string( REPLACE "" "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" ) string( REPLACE "" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" ) string( REPLACE "" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" ) string( REPLACE "" "" __cmd "${__cmd}" ) string( REPLACE "" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" ) string( REPLACE "" "-shared" __cmd "${__cmd}" ) string( REPLACE "" "" __cmd "${__cmd}" ) string( REPLACE "" "" __cmd "${__cmd}" ) string( REPLACE "" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" ) string( REPLACE "" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" ) string( REPLACE "" "" __cmd "${__cmd}" ) separate_arguments( __cmd ) foreach( __var ANDROID_NDK ANDROID_NDK_TOOLCHAINS_PATH ANDROID_STANDALONE_TOOLCHAIN ) if( ${__var} ) set( __tmp "${${__var}}" ) separate_arguments( __tmp ) string( REPLACE "${__tmp}" "${${__var}}" __cmd "${__cmd}") endif() endforeach() string( REPLACE "'" "" __cmd "${__cmd}" ) string( REPLACE "\"" "" __cmd "${__cmd}" ) execute_process( COMMAND ${__cmd} RESULT_VARIABLE __cmd_result OUTPUT_QUIET ERROR_QUIET ) if( __cmd_result EQUAL 0 ) set( ANDROID_EXPLICIT_CRT_LINK ON ) else() set( ANDROID_EXPLICIT_CRT_LINK OFF ) endif() endif() if( ANDROID_EXPLICIT_CRT_LINK ) set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) endif() # setup output directories set( CMAKE_INSTALL_PREFIX "${ANDROID_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" ) if( DEFINED LIBRARY_OUTPUT_PATH_ROOT OR EXISTS "${CMAKE_SOURCE_DIR}/AndroidManifest.xml" OR (EXISTS "${CMAKE_SOURCE_DIR}/../AndroidManifest.xml" AND EXISTS "${CMAKE_SOURCE_DIR}/../jni/") ) set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "Root for binaries output, set this to change where Android libs are installed to" ) if( NOT _CMAKE_IN_TRY_COMPILE ) if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" ) set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for applications" ) else() set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications" ) endif() set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for Android libs" ) endif() endif() # copy shared libcrystax to build directory if( NOT _CMAKE_IN_TRY_COMPILE AND DEFINED LIBRARY_OUTPUT_PATH ) get_filename_component( __libcrystaxname "${ANDROID_LIBCRYSTAX_FILE}" NAME ) execute_process( COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${ANDROID_LIBCRYSTAX_FILE}" "${LIBRARY_OUTPUT_PATH}/${__libcrystaxname}" RESULT_VARIABLE __fileCopyProcess ) if( NOT __fileCopyProcess EQUAL 0 OR NOT EXISTS "${LIBRARY_OUTPUT_PATH}/${__libcrystaxname}" ) message( SEND_ERROR "Failed copying if ${__libcrystaxname} to the ${LIBRARY_OUTPUT_PATH}/${__libcrystaxname}" ) endif() unset( __fileCopyProcess ) unset( __libcrystaxname ) endif() # copy shared stl library to build directory if( NOT _CMAKE_IN_TRY_COMPILE AND __libstl MATCHES "[.]so$" AND DEFINED LIBRARY_OUTPUT_PATH ) get_filename_component( __libstlname "${__libstl}" NAME ) execute_process( COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${__libstl}" "${LIBRARY_OUTPUT_PATH}/${__libstlname}" RESULT_VARIABLE __fileCopyProcess ) if( NOT __fileCopyProcess EQUAL 0 OR NOT EXISTS "${LIBRARY_OUTPUT_PATH}/${__libstlname}") message( SEND_ERROR "Failed copying of ${__libstl} to the ${LIBRARY_OUTPUT_PATH}/${__libstlname}" ) endif() unset( __fileCopyProcess ) unset( __libstlname ) endif() set( ADBRUNNER ${ANDROID_NDK}/tools/adbrunner --abi=${ANDROID_NDK_ABI_NAME} --run-on-all-devices ) if ( CMAKE_POSITION_INDEPENDENT_CODE ) list( APPEND ADBRUNNER "--pie" ) else() list( APPEND ADBRUNNER "--no-pie" ) endif() # set these global flags for cmake client scripts to change behavior set( ANDROID True ) set( BUILD_ANDROID True ) set( CRYSTAX True ) # where is the target environment set( CMAKE_FIND_ROOT_PATH "${ANDROID_TOOLCHAIN_ROOT}/bin" "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" "${ANDROID_SYSROOT}" "${CMAKE_INSTALL_PREFIX}" "${CMAKE_INSTALL_PREFIX}/share" ) # only search for libraries and includes in the ndk toolchain set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) # macro to find packages on the host OS macro( find_host_package ) set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER ) if( CMAKE_HOST_WIN32 ) SET( WIN32 1 ) SET( UNIX ) elseif( CMAKE_HOST_APPLE ) SET( APPLE 1 ) SET( UNIX ) endif() find_package( ${ARGN} ) SET( WIN32 ) SET( APPLE ) SET( UNIX 1 ) set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) endmacro() # macro to find programs on the host OS macro( find_host_program ) set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER ) if( CMAKE_HOST_WIN32 ) SET( WIN32 1 ) SET( UNIX ) elseif( CMAKE_HOST_APPLE ) SET( APPLE 1 ) SET( UNIX ) endif() find_program( ${ARGN} ) SET( WIN32 ) SET( APPLE ) SET( UNIX 1 ) set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) endmacro() # export toolchain settings for the try_compile() command if( NOT _CMAKE_IN_TRY_COMPILE ) set( __toolchain_config "") foreach( __var NDK_CCACHE LIBRARY_OUTPUT_PATH_ROOT ANDROID_FORBID_SYGWIN ANDROID_NDK_HOST_X64 ANDROID_NDK ANDROID_STANDALONE_TOOLCHAIN ANDROID_TOOLCHAIN_NAME ANDROID_TOOLCHAIN_VERSION ANDROID_ABI ANDROID_NATIVE_API_LEVEL ANDROID_STL ANDROID_STL_FORCE_FEATURES ANDROID_FORCE_ARM_BUILD ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_FUNCTION_LEVEL_LINKING ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO ANDROID_EXPLICIT_CRT_LINK ANDROID_APP_PIE ) if( DEFINED ${__var} ) if( ${__var} MATCHES " ") set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" CACHE INTERNAL \"\" )\n" ) else() set( __toolchain_config "${__toolchain_config}set( ${__var} ${${__var}} CACHE INTERNAL \"\" )\n" ) endif() endif() endforeach() file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain.config.cmake" "${__toolchain_config}" ) unset( __toolchain_config ) endif() # force cmake to produce / instead of \ in build commands for Ninja generator if( CMAKE_GENERATOR MATCHES "Ninja" AND CMAKE_HOST_WIN32 ) # it is a bad hack after all # CMake generates Ninja makefiles with UNIX paths only if it thinks that we are going to build with MinGW set( CMAKE_COMPILER_IS_MINGW TRUE ) # tell CMake that we are MinGW set( CMAKE_CROSSCOMPILING TRUE ) # stop recursion enable_language( C ) enable_language( CXX ) # unset( CMAKE_COMPILER_IS_MINGW ) # can't unset because CMake does not convert back-slashes in response files without it unset( MINGW ) endif() # Variables controlling behavior or set by cmake toolchain: # ANDROID_ABI : "armeabi-v7a" (default), "armeabi", "armeabi-v7a+neon", "armeabi-v7a+vfpv3", # "armeabi-v7a-hard", "armeabi-v7a-hard+neon", "armeabi-v7a-hard+vfpv3", # "armeabi-v6+vfp", "x86", "mips", "arm64-v8a", "x86_64", "mips64" # ANDROID_NATIVE_API_LEVEL : 3,4,5,8,9,14,15,16,17,18,19,21 (depends on NDK version) # ANDROID_STL : gnustl_static/gnustl_shared/system_re/system/none # ANDROID_FORBID_SYGWIN : ON/OFF # ANDROID_NO_UNDEFINED : ON/OFF # ANDROID_SO_UNDEFINED : OFF/ON (default depends on NDK version) # ANDROID_FUNCTION_LEVEL_LINKING : ON/OFF # ANDROID_GOLD_LINKER : ON/OFF # ANDROID_NOEXECSTACK : ON/OFF # ANDROID_RELRO : ON/OFF # ANDROID_FORCE_ARM_BUILD : ON/OFF # ANDROID_STL_FORCE_FEATURES : ON/OFF # Can be set only at the first run: # ANDROID_NDK : path to your NDK install # NDK_CCACHE : path to your ccache executable # ANDROID_TOOLCHAIN_NAME : the NDK name of compiler toolchain # ANDROID_NDK_HOST_X64 : try to use x86_64 toolchain (default for x64 host systems) # LIBRARY_OUTPUT_PATH_ROOT : # ANDROID_STANDALONE_TOOLCHAIN # # Primary read-only variables: # ANDROID : always TRUE # ARMEABI : TRUE for arm v6 and older devices # ARMEABI_V6 : TRUE for arm v6 # ARMEABI_V7A : TRUE for arm v7a # ARM64_V8A : TRUE for arm64-v8a # NEON : TRUE if NEON unit is enabled # VFPV3 : TRUE if VFP version 3 is enabled # X86 : TRUE if configured for x86 # X86_64 : TRUE if configured for x86_64 # MIPS : TRUE if configured for mips # MIPS64 : TRUE if configured for mips64 # BUILD_WITH_ANDROID_NDK : TRUE if NDK is used # BUILD_WITH_STANDALONE_TOOLCHAIN : TRUE if standalone toolchain is used # ANDROID_NDK_HOST_SYSTEM_NAME : "windows", "linux-x86" or "darwin-x86" depending on host platform # ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a", "armeabi-v7a-hard", "x86", "mips", "arm64-v8a", "x86_64", "mips64" depending on ANDROID_ABI # ANDROID_ARCH_NAME : "arm", "x86", "mips", "arm64", "x86_64", "mips64" depending on ANDROID_ABI # ANDROID_SYSROOT : path to the compiler sysroot # TOOL_OS_SUFFIX : "" or ".exe" depending on host platform # ANDROID_COMPILER_IS_CLANG : TRUE if clang compiler is used # ANDROID_PREBUILT_LIBRARIES : list of libraries to be copied with binary (such as libcrystax.so and libgnustl_shared.so) # # Secondary (less stable) read-only variables: # ANDROID_COMPILER_VERSION : GCC version used (not Clang version) # ANDROID_CLANG_VERSION : version of clang compiler if clang is used # ANDROID_CXX_FLAGS : C/C++ compiler flags required by Android platform # ANDROID_SUPPORTED_ABIS : list of currently allowed values for ANDROID_ABI # ANDROID_TOOLCHAIN_MACHINE_NAME : "arm-linux-androideabi", "arm-eabi" or "i686-android-linux" # ANDROID_TOOLCHAIN_ROOT : path to the top level of toolchain (standalone or placed inside NDK) # ANDROID_CLANG_TOOLCHAIN_ROOT : path to clang tools # ANDROID_SUPPORTED_NATIVE_API_LEVELS : list of native API levels found inside NDK # ANDROID_STL_INCLUDE_DIRS : stl include paths # ANDROID_RTTI : if rtti is enabled by the runtime # ANDROID_EXCEPTIONS : if exceptions are enabled by the runtime # ANDROID_GCC_TOOLCHAIN_NAME : read-only, differs from ANDROID_TOOLCHAIN_NAME only if clang is used # # Defaults: # ANDROID_DEFAULT_NDK_API_LEVEL # ANDROID_DEFAULT_NDK_API_LEVEL_${ARCH} # ANDROID_SUPPORTED_ABIS_${ARCH}