diff options
Diffstat (limited to 'src/mesh/assimp-master/contrib/android-cmake/android.toolchain.cmake')
| -rw-r--r-- | src/mesh/assimp-master/contrib/android-cmake/android.toolchain.cmake | 1694 |
1 files changed, 1694 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/contrib/android-cmake/android.toolchain.cmake b/src/mesh/assimp-master/contrib/android-cmake/android.toolchain.cmake new file mode 100644 index 0000000..c2b8a07 --- /dev/null +++ b/src/mesh/assimp-master/contrib/android-cmake/android.toolchain.cmake @@ -0,0 +1,1694 @@ +# Copyright (c) 2010-2011, Ethan Rublee +# Copyright (c) 2011-2014, Andrey Kamaev +# 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 Android NDK r5-r10d +# Requires cmake 2.6.3 or newer (2.8.9 or newer is recommended). +# See home page: https://github.com/taka-no-me/android-cmake +# +# Usage Linux: +# $ export ANDROID_NDK=/absolute/path/to/the/android-ndk +# $ mkdir build && cd build +# $ cmake -DCMAKE_TOOLCHAIN_FILE=path/to/the/android.toolchain.cmake .. +# $ make -j8 +# +# Usage Windows: +# You need native port of make to build your project. +# Android NDK r7 (and newer) already has make.exe on board. +# For older NDK you have to install it separately. +# For example, this one: http://gnuwin32.sourceforge.net/packages/make.htm +# +# $ SET ANDROID_NDK=C:\absolute\path\to\the\android-ndk +# $ mkdir build && cd build +# $ cmake.exe -G"MinGW Makefiles" +# -DCMAKE_TOOLCHAIN_FILE=path\to\the\android.toolchain.cmake +# -DCMAKE_MAKE_PROGRAM="%ANDROID_NDK%\prebuilt\windows\bin\make.exe" .. +# $ cmake.exe --build . +# +# +# Options (can be set as cmake parameters: -D<option_name>=<value>): +# ANDROID_NDK=/opt/android-ndk - path to the NDK root. +# Can be set as environment variable. Can be set only at first cmake run. +# +# 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 with NEON" - same as armeabi-v7a, but +# sets NEON as floating-point unit +# "armeabi-v7a with VFPV3" - same as armeabi-v7a, but +# sets VFPV3 as floating-point unit (has 32 registers instead of 16) +# "armeabi-v6 with VFP" - tuned for ARMv6 processors having VFP +# "x86" - IA-32 instruction set +# "mips" - MIPS32 instruction set +# +# 64-bit ABIs for NDK r10 and newer: +# "arm64-v8a" - ARMv8 AArch64 instruction set +# "x86_64" - Intel64 instruction set (r1) +# "mips64" - MIPS64 instruction set (r6) +# +# ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for. +# Option is read-only when standalone toolchain is used. +# Note: building for "android-L" requires explicit configuration. +# +# ANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.9 - the name of compiler +# toolchain to be used. The list of possible values depends on the NDK +# version. For NDK r10c the possible values are: +# +# * aarch64-linux-android-4.9 +# * aarch64-linux-android-clang3.4 +# * aarch64-linux-android-clang3.5 +# * arm-linux-androideabi-4.6 +# * arm-linux-androideabi-4.8 +# * arm-linux-androideabi-4.9 (default) +# * arm-linux-androideabi-clang3.4 +# * arm-linux-androideabi-clang3.5 +# * mips64el-linux-android-4.9 +# * mips64el-linux-android-clang3.4 +# * mips64el-linux-android-clang3.5 +# * mipsel-linux-android-4.6 +# * mipsel-linux-android-4.8 +# * mipsel-linux-android-4.9 +# * mipsel-linux-android-clang3.4 +# * mipsel-linux-android-clang3.5 +# * x86-4.6 +# * x86-4.8 +# * x86-4.9 +# * x86-clang3.4 +# * x86-clang3.5 +# * x86_64-4.9 +# * x86_64-clang3.4 +# * x86_64-clang3.5 +# +# ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions +# instead of Thumb. Is not available for "armeabi-v6 with 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_static - 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. +# gabi++_static -> Use the GAbi++ runtime as a static library. +# Implies -frtti -fno-exceptions. +# Available for NDK r7 and newer. +# Is not available for standalone toolchain. +# gabi++_shared -> Use the GAbi++ runtime as a shared library. +# Implies -frtti -fno-exceptions. +# Available for NDK r7 and newer. +# Is not available for standalone toolchain. +# stlport_static -> Use the STLport runtime as a static library. +# Implies -fno-rtti -fno-exceptions for NDK before r7. +# Implies -frtti -fno-exceptions for NDK r7 and newer. +# Is not available for standalone toolchain. +# stlport_shared -> Use the STLport runtime as a shared library. +# Implies -fno-rtti -fno-exceptions for NDK before r7. +# Implies -frtti -fno-exceptions for NDK r7 and newer. +# 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 -fno-exceptions. +# Available for NDK r7b and newer. +# Silently degrades to gnustl_static if not available. +# +# 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_NDK - cmake parameter +# ANDROID_NDK - environment variable +# ANDROID_STANDALONE_TOOLCHAIN - cmake parameter +# ANDROID_STANDALONE_TOOLCHAIN - environment variable +# ANDROID_NDK - default locations +# 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} ${my_cxx_flags}" ) +# The flags will be prepopulated with critical flags, so don't loose them. +# Also be aware that toolchain also sets configuration-specific compiler +# flags and linker flags. +# +# ANDROID and BUILD_ANDROID will be set to true, you may test any of these +# variables to make necessary Android-specific configuration changes. +# +# Also ARMEABI or ARMEABI_V7A or X86 or MIPS or ARM64_V8A or X86_64 or MIPS64 +# will be set true, mutually exclusive. NEON option will be set true +# if VFP is set to NEON. +# +# ------------------------------------------------------------------------------ + +cmake_minimum_required( VERSION 2.6.3 ) + +if( DEFINED CMAKE_CROSSCOMPILING ) + # subsequent toolchain loading is not really needed + return() +endif() + +if( CMAKE_TOOLCHAIN_FILE ) + # touch toolchain variable to suppress "unused variable" warning +endif() + +# inherit settings in recursive loads +get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE ) +if( _CMAKE_IN_TRY_COMPILE ) + include( "${CMAKE_CURRENT_SOURCE_DIR}/../android.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." ) + +# NDK search paths +set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r10d -r10c -r10b -r10 -r9d -r9c -r9b -r9 -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" ) +if( NOT DEFINED ANDROID_NDK_SEARCH_PATHS ) + if( CMAKE_HOST_WIN32 ) + file( TO_CMAKE_PATH "$ENV{PROGRAMFILES}" ANDROID_NDK_SEARCH_PATHS ) + set( ANDROID_NDK_SEARCH_PATHS "${ANDROID_NDK_SEARCH_PATHS}" "$ENV{SystemDrive}/NVPACK" ) + else() + file( TO_CMAKE_PATH "$ENV{HOME}" ANDROID_NDK_SEARCH_PATHS ) + set( ANDROID_NDK_SEARCH_PATHS /opt "${ANDROID_NDK_SEARCH_PATHS}/NVPACK" ) + endif() +endif() +if( NOT DEFINED ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH ) + set( ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH /opt/android-toolchain ) +endif() + +# known ABIs +set( ANDROID_SUPPORTED_ABIS_arm "armeabi-v7a;armeabi;armeabi-v7a with NEON;armeabi-v7a with VFPV3;armeabi-v6 with 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" ) + +# API level defaults +set( ANDROID_DEFAULT_NDK_API_LEVEL 8 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_arm64 21 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_x86 9 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_x86_64 21 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_mips 9 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_mips64 21 ) + + +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() + +# see if we have path to Android NDK +if( NOT ANDROID_NDK AND NOT ANDROID_STANDALONE_TOOLCHAIN ) + __INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK ) +endif() +if( NOT ANDROID_NDK ) + # see if we have path to Android standalone toolchain + __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN ) + + if( NOT ANDROID_STANDALONE_TOOLCHAIN ) + #try to find Android NDK in one of the the default locations + set( __ndkSearchPaths ) + foreach( __ndkSearchPath ${ANDROID_NDK_SEARCH_PATHS} ) + foreach( suffix ${ANDROID_SUPPORTED_NDK_VERSIONS} ) + list( APPEND __ndkSearchPaths "${__ndkSearchPath}/android-ndk${suffix}" ) + endforeach() + endforeach() + __INIT_VARIABLE( ANDROID_NDK PATH VALUES ${__ndkSearchPaths} ) + unset( __ndkSearchPaths ) + + if( ANDROID_NDK ) + message( STATUS "Using default path for Android NDK: ${ANDROID_NDK}" ) + message( STATUS " If you prefer to use a different location, please define a cmake or environment variable: ANDROID_NDK" ) + else() + #try to find Android standalone toolchain in one of the the default locations + __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH ) + + if( ANDROID_STANDALONE_TOOLCHAIN ) + message( STATUS "Using default path for standalone toolchain ${ANDROID_STANDALONE_TOOLCHAIN}" ) + message( STATUS " If you prefer to use a different location, please define the variable: ANDROID_STANDALONE_TOOLCHAIN" ) + endif( ANDROID_STANDALONE_TOOLCHAIN ) + endif( ANDROID_NDK ) + endif( NOT ANDROID_STANDALONE_TOOLCHAIN ) +endif( NOT ANDROID_NDK ) + +# remember found paths +if( ANDROID_NDK ) + get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE ) + set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE ) + set( BUILD_WITH_ANDROID_NDK True ) + if( EXISTS "${ANDROID_NDK}/RELEASE.TXT" ) + file( STRINGS "${ANDROID_NDK}/RELEASE.TXT" ANDROID_NDK_RELEASE_FULL LIMIT_COUNT 1 REGEX "r[0-9]+[a-z]?" ) + string( REGEX MATCH "r([0-9]+)([a-z]?)" ANDROID_NDK_RELEASE "${ANDROID_NDK_RELEASE_FULL}" ) + else() + set( ANDROID_NDK_RELEASE "r1x" ) + set( ANDROID_NDK_RELEASE_FULL "unreleased" ) + endif() + string( REGEX REPLACE "r([0-9]+)([a-z]?)" "\\1*1000" ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE}" ) + string( FIND " abcdefghijklmnopqastuvwxyz" "${CMAKE_MATCH_2}" __ndkReleaseLetterNum ) + math( EXPR ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE_NUM}+${__ndkReleaseLetterNum}" ) +elseif( 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 ) +else() + list(GET ANDROID_NDK_SEARCH_PATHS 0 ANDROID_NDK_SEARCH_PATH) + message( FATAL_ERROR "Could not find neither Android NDK nor Android standalone toolchain. + You should either set an environment variable: + export ANDROID_NDK=~/my-android-ndk + or + export ANDROID_STANDALONE_TOOLCHAIN=~/my-android-toolchain + or put the toolchain or NDK in the default path: + sudo ln -s ~/my-android-ndk ${ANDROID_NDK_SEARCH_PATH}/android-ndk + sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" ) +endif() + +# android NDK layout +if( BUILD_WITH_ANDROID_NDK ) + if( NOT DEFINED ANDROID_NDK_LAYOUT ) + # try to automatically detect the layout + if( EXISTS "${ANDROID_NDK}/RELEASE.TXT") + set( ANDROID_NDK_LAYOUT "RELEASE" ) + elseif( EXISTS "${ANDROID_NDK}/../../linux-x86/toolchain/" ) + set( ANDROID_NDK_LAYOUT "LINARO" ) + elseif( EXISTS "${ANDROID_NDK}/../../gcc/" ) + set( ANDROID_NDK_LAYOUT "ANDROID" ) + endif() + endif() + set( ANDROID_NDK_LAYOUT "${ANDROID_NDK_LAYOUT}" CACHE STRING "The inner layout of NDK" ) + mark_as_advanced( ANDROID_NDK_LAYOUT ) + if( ANDROID_NDK_LAYOUT STREQUAL "LINARO" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + elseif( ANDROID_NDK_LAYOUT STREQUAL "ANDROID" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../gcc/${ANDROID_NDK_HOST_SYSTEM_NAME}/arm" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE" + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" ) + endif() + get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE ) + + # try to detect change of NDK + if( CMAKE_AR ) + string( LENGTH "${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}${__toolchain_subpath}" ) + SET( __toolchainVersionRegex "^TOOLCHAIN_VERSION[\t ]+:=[\t ]+(.*)$" ) + FILE( STRINGS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}/setup.mk" __toolchainVersionStr REGEX "${__toolchainVersionRegex}" ) + if( __toolchainVersionStr ) + string( REGEX REPLACE "${__toolchainVersionRegex}" "\\1" __toolchainVersionStr "${__toolchainVersionStr}" ) + string( REGEX REPLACE "-clang3[.][0-9]$" "-${__toolchainVersionStr}" __gcc_toolchain "${__toolchain}" ) + else() + string( REGEX REPLACE "-clang3[.][0-9]$" "-4.6" __gcc_toolchain "${__toolchain}" ) + endif() + unset( __toolchainVersionStr ) + unset( __toolchainVersionRegex ) + 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]+[.][0-9]+([.][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() + +# 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 "${ANDROID_SUPPORTED_NATIVE_API_LEVELS}" ) + set( __availableToolchains "" ) + set( __availableToolchainMachines "" ) + set( __availableToolchainArchs "" ) + set( __availableToolchainCompilerVersions "" ) + if( ANDROID_TOOLCHAIN_NAME AND EXISTS "${ANDROID_NDK_TOOLCHAINS_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 ) + +# 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( 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" ) +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( 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( 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( 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( CMAKE_SYSTEM_PROCESSOR "armv5te" ) +elseif( ANDROID_ABI STREQUAL "armeabi-v6 with 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( CMAKE_SYSTEM_PROCESSOR "armv6" ) + # need always fallback to older platform + set( ARMEABI true ) +elseif( ANDROID_ABI STREQUAL "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( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) +elseif( ANDROID_ABI STREQUAL "armeabi-v7a with VFPV3" ) + 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( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) + set( VFPV3 true ) +elseif( ANDROID_ABI STREQUAL "armeabi-v7a with NEON" ) + 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( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) + set( VFPV3 true ) + set( NEON true ) +else() + message( SEND_ERROR "Unknown ANDROID_ABI=\"${ANDROID_ABI}\" is specified." ) +endif() + +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_static ) +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|gabi\\+\\+_static|gabi\\+\\+_shared|stlport_static|stlport_shared|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. + gabi++_static -> Use the GAbi++ runtime as a static library. + gabi++_shared -> Use the GAbi++ runtime as a shared library. + stlport_static -> Use the STLport runtime as a static library. + stlport_shared -> Use the STLport runtime as a shared library. + 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 \"${ANDROID_STL}\". +The possible values are: + none -> Do not configure the runtime. + gnustl_static -> (default) Use the GNU STL as a static library. + gnustl_shared -> Use the GNU STL as a shared library. +" ) + endif() +endif() + +unset( ANDROID_RTTI ) +unset( ANDROID_EXCEPTIONS ) +unset( ANDROID_STL_INCLUDE_DIRS ) +unset( __libstl ) +unset( __libsupcxx ) + +if( NOT _CMAKE_IN_TRY_COMPILE AND ANDROID_NDK_RELEASE STREQUAL "r7b" AND ARMEABI_V7A AND NOT VFPV3 AND ANDROID_STL MATCHES "gnustl" ) + message( WARNING "The GNU STL armeabi-v7a binaries from NDK r7b can crash non-NEON devices. The files provided with NDK r7b were not configured properly, resulting in crashes on Tegra2-based devices and others when trying to use certain floating-point functions (e.g., cosf, sinf, expf). +You are strongly recommended to switch to another NDK release. +" ) +endif() + +if( NOT _CMAKE_IN_TRY_COMPILE AND X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" ) + message( WARNING "The x86 system header file from NDK r6 has incorrect definition for ptrdiff_t. You are recommended to upgrade to a newer NDK release or manually patch the header: +See https://android.googlesource.com/platform/development.git f907f4f9d4e56ccc8093df6fee54454b8bcab6c2 + diff --git a/ndk/platforms/android-9/arch-x86/include/machine/_types.h b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + index 5e28c64..65892a1 100644 + --- a/ndk/platforms/android-9/arch-x86/include/machine/_types.h + +++ b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + @@ -51,7 +51,11 @@ typedef long int ssize_t; + #endif + #ifndef _PTRDIFF_T + #define _PTRDIFF_T + -typedef long ptrdiff_t; + +# ifdef __ANDROID__ + + typedef int ptrdiff_t; + +# else + + typedef long ptrdiff_t; + +# endif + #endif +" ) +endif() + + +# setup paths and STL for standalone toolchain +if( BUILD_WITH_STANDALONE_TOOLCHAIN ) + set( ANDROID_TOOLCHAIN_ROOT "${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 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 "${ANDROID_NDK}/sources/cxx-stl/system/include" ) + elseif( ANDROID_STL MATCHES "gabi" ) + if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + message( FATAL_ERROR "gabi++ is not available in your NDK. You have to upgrade to NDK r7 or newer to use gabi++.") + endif() + set( ANDROID_RTTI ON ) + set( ANDROID_EXCEPTIONS OFF ) + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/gabi++/include" ) + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gabi++/libs/${ANDROID_NDK_ABI_NAME}/libgabi++_static.a" ) + elseif( ANDROID_STL MATCHES "stlport" ) + if( NOT ANDROID_NDK_RELEASE_NUM LESS 8004 ) # before r8d + set( ANDROID_EXCEPTIONS ON ) + else() + set( ANDROID_EXCEPTIONS OFF ) + endif() + if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + set( ANDROID_RTTI OFF ) + else() + set( ANDROID_RTTI ON ) + endif() + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/stlport/stlport" ) + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/stlport/libs/${ANDROID_NDK_ABI_NAME}/libstlport_static.a" ) + elseif( ANDROID_STL MATCHES "gnustl" ) + set( ANDROID_EXCEPTIONS ON ) + set( ANDROID_RTTI ON ) + if( EXISTS "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) + if( ARMEABI_V7A AND ANDROID_COMPILER_VERSION VERSION_EQUAL "4.7" AND ANDROID_NDK_RELEASE STREQUAL "r8d" ) + # gnustl binary for 4.7 compiler is buggy :( + # TODO: look for right fix + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/4.6" ) + else() + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) + endif() + else() + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++" ) + endif() + set( ANDROID_STL_INCLUDE_DIRS "${__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++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler" ) + endif() + endif() + set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "assembler" ) + 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() + +# Force set compilers because standard identification works badly for us +include( CMakeForceCompiler ) +CMAKE_FORCE_C_COMPILER( "${CMAKE_C_COMPILER}" GNU ) +if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_C_COMPILER_ID Clang ) +endif() +set( CMAKE_C_PLATFORM_ID Linux ) +if( X86_64 OR MIPS64 OR ARM64_V8A ) + set( CMAKE_C_SIZEOF_DATA_PTR 8 ) +else() + set( CMAKE_C_SIZEOF_DATA_PTR 4 ) +endif() +set( CMAKE_C_HAS_ISYSROOT 1 ) +set( CMAKE_C_COMPILER_ABI ELF ) +CMAKE_FORCE_CXX_COMPILER( "${CMAKE_CXX_COMPILER}" GNU ) +if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_CXX_COMPILER_ID Clang) +endif() +set( CMAKE_CXX_PLATFORM_ID Linux ) +set( CMAKE_CXX_SIZEOF_DATA_PTR ${CMAKE_C_SIZEOF_DATA_PTR} ) +set( CMAKE_CXX_HAS_ISYSROOT 1 ) +set( CMAKE_CXX_COMPILER_ABI ELF ) +set( CMAKE_CXX_SOURCE_FILE_EXTENSIONS cc cp cxx cpp CPP c++ C ) +# force ASM compiler (required for CMake < 2.8.5) +set( CMAKE_ASM_COMPILER_ID_RUN TRUE ) +set( CMAKE_ASM_COMPILER_ID GNU ) +set( CMAKE_ASM_COMPILER_WORKS TRUE ) +set( CMAKE_ASM_COMPILER_FORCED TRUE ) +set( CMAKE_COMPILER_IS_GNUASM 1) +set( CMAKE_ASM_SOURCE_FILE_EXTENSIONS s S asm ) + +foreach( lang C CXX ASM ) + if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_CLANG_VERSION} ) + else() + set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_COMPILER_VERSION} ) + endif() +endforeach() + +# flags and definitions +remove_definitions( -DANDROID ) +add_definitions( -DANDROID ) + +if( ANDROID_SYSROOT MATCHES "[ ;\"]" ) + if( CMAKE_HOST_WIN32 ) + # try to convert path to 8.3 form + file( WRITE "${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) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) + if( NOT ANDROID_FORCE_ARM_BUILD AND NOT ARMEABI_V6 ) + set( ANDROID_CXX_FLAGS_RELEASE "-mthumb -fomit-frame-pointer -fno-strict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${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 -finline-functions -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 "${ANDROID_CXX_FLAGS} -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) + set( ANDROID_CXX_FLAGS_RELEASE "${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 ${ANDROID_CXX_FLAGS}" ) +endif() + +if( NOT ANDROID_COMPILER_VERSION VERSION_LESS "4.6" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -no-canonical-prefixes" ) # see https://android-review.googlesource.com/#/c/47564/ +endif() + +# 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_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() + +if( ANDROID_STL MATCHES "gnustl" AND (EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}") ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) +else() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) +endif() + +# 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} \"${__libstl}\"" ) + endif() + if( EXISTS "${__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 "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_C_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) + 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}\"" ) + endif() + if( ANDROID_STL MATCHES "gnustl" ) + if( NOT EXISTS "${ANDROID_LIBM_PATH}" ) + set( ANDROID_LIBM_PATH -lm ) + endif() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${ANDROID_LIBM_PATH}" ) + endif() +endif() + +# variables controlling optional build flags +if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + # libGLESv2.so in NDK's prior to r7 refers to missing external symbols. + # So this flag option is required for all projects using OpenGL from native. + __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES ON ) +else() + __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF ) +endif() +__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 ${ANDROID_RELRO} CACHE BOOL "Enables RELRO - a memory corruption mitigation technique" ) +mark_as_advanced( ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_FUNCTION_LEVEL_LINKING ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO ) + +# linker flags +set( ANDROID_LINKER_FLAGS "" ) + +if( ARMEABI_V7A ) + # this is *required* to use the following linker flags that routes around + # a CPU bug in some Cortex-A8 implementations: + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--fix-cortex-a8" ) +endif() + +if( 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_COMPILER_VERSION VERSION_EQUAL "4.6" ) + if( ANDROID_GOLD_LINKER AND (CMAKE_HOST_UNIX OR ANDROID_NDK_RELEASE_NUM GREATER 8002) AND (ARMEABI OR ARMEABI_V7A OR X86) ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=gold" ) + elseif( ANDROID_NDK_RELEASE_NUM GREATER 8002 ) # after r8b + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=bfd" ) + elseif( ANDROID_NDK_RELEASE STREQUAL "r8b" AND ARMEABI AND NOT _CMAKE_IN_TRY_COMPILE ) + message( WARNING "The default bfd linker from arm GCC 4.6 toolchain can fail with 'unresolvable R_ARM_THM_CALL relocation' error message. See https://code.google.com/p/android/issues/detail?id=35342 + On Linux and OS X host platform you can workaround this problem using gold linker (default). + Rerun cmake with -DANDROID_GOLD_LINKER=ON option in case of problems. +" ) + endif() +endif() # version 4.6 + +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} ${ANDROID_CXX_FLAGS}" ) + endif() +endif() + +# cache flags +set( CMAKE_CXX_FLAGS "" CACHE STRING "c++ flags" ) +set( CMAKE_C_FLAGS "" CACHE STRING "c flags" ) +set( CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c++ Release flags" ) +set( CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c Release flags" ) +set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c++ Debug flags" ) +set( CMAKE_C_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c Debug flags" ) +set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared linker flags" ) +set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags" ) +set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker flags" ) + +# put flags to cache (for debug purpose only) +set( ANDROID_CXX_FLAGS "${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} ${CMAKE_C_FLAGS}" ) +set( CMAKE_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_RELEASE}" ) +set( CMAKE_C_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_C_FLAGS_RELEASE}" ) +set( CMAKE_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_DEBUG}" ) +set( CMAKE_C_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_C_FLAGS_DEBUG}" ) +set( CMAKE_SHARED_LINKER_FLAGS "${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} ${CMAKE_EXE_LINKER_FLAGS}" ) + +if( MIPS AND BUILD_WITH_ANDROID_NDK AND ANDROID_NDK_RELEASE STREQUAL "r8" ) + set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_SHARED_LINKER_FLAGS}" ) + set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_MODULE_LINKER_FLAGS}" ) + set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.x ${CMAKE_EXE_LINKER_FLAGS}" ) +endif() + +# pie/pic +if( NOT (ANDROID_NATIVE_API_LEVEL LESS 16) AND (NOT DEFINED ANDROID_APP_PIE OR ANDROID_APP_PIE) AND (CMAKE_VERSION VERSION_GREATER 2.8.8) ) + set( CMAKE_POSITION_INDEPENDENT_CODE TRUE ) + set( CMAKE_EXE_LINKER_FLAGS "${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 ${CMAKE_C_FLAGS}" ) + endif() +endif() + +# global includes and link directories +include_directories( SYSTEM "${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} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_CXX_FLAGS>" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "<LANGUAGE_COMPILE_FLAGS>" "" __cmd "${__cmd}" ) + string( REPLACE "<LINK_FLAGS>" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS>" "-shared" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG>" "" __cmd "${__cmd}" ) + string( REPLACE "<TARGET_SONAME>" "" __cmd "${__cmd}" ) + string( REPLACE "<TARGET>" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" ) + string( REPLACE "<OBJECTS>" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" ) + string( REPLACE "<LINK_LIBRARIES>" "" __cmd "${__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/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for Android libs" ) + endif() +endif() + +# copy shaed stl library to build directory +if( NOT _CMAKE_IN_TRY_COMPILE AND __libstl MATCHES "[.]so$" 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 these global flags for cmake client scripts to change behavior +set( ANDROID True ) +set( BUILD_ANDROID 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_NDK_LAYOUT + ANDROID_STANDALONE_TOOLCHAIN + ANDROID_TOOLCHAIN_NAME + 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_LIBM_PATH + 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}/android.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( MINGW TRUE ) # tell CMake that we are 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 with NEON", "armeabi-v7a with VFPV3", "armeabi-v6 with 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/stlport_static/stlport_shared/gabi++_static/gabi++_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 +# ANDROID_LIBM_PATH : path to libm.so (set to something like $(TOP)/out/target/product/<product_name>/obj/lib/libm.so) to workaround unresolved `sincos` +# 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) +# ANDROID_NDK_LAYOUT : the inner NDK structure (RELEASE, LINARO, ANDROID) +# LIBRARY_OUTPUT_PATH_ROOT : <any valid path> +# 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", "x86", "mips", "arm64-v8a", "x86_64", "mips64" depending on ANDROID_ABI +# ANDROID_NDK_RELEASE : from r5 to r10d; set only for NDK +# ANDROID_NDK_RELEASE_NUM : numeric ANDROID_NDK_RELEASE version (1000*major+minor) +# 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 +# +# 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_NDK_SEARCH_PATHS +# ANDROID_SUPPORTED_ABIS_${ARCH} +# ANDROID_SUPPORTED_NDK_VERSIONS |