X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=cmake%2Ftoolchain%2Fandroid.toolchain.cmake;h=2669cb3805ad239b374d6cd85bd8f4e4f983fbf8;hb=96e736e9b7c3650f5549dbf62369b6e084fa74c7;hp=640f469cec1bf94d4533bf5d3b54e570739ddf9e;hpb=a4a643e64ff575b46c7841d72d6a0b833b24acad;p=apitrace diff --git a/cmake/toolchain/android.toolchain.cmake b/cmake/toolchain/android.toolchain.cmake index 640f469..2669cb3 100644 --- a/cmake/toolchain/android.toolchain.cmake +++ b/cmake/toolchain/android.toolchain.cmake @@ -1,370 +1,1495 @@ -# ---------------------------------------------------------------------------- -# Android CMake toolchain file, for use with the ndk r5,r6 -# See home page: http://code.google.com/p/android-cmake/ +# Copyright (c) 2010-2011, Ethan Rublee +# Copyright (c) 2011-2013, 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. The name of the copyright holders 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-r8 +# Requires cmake 2.6.3 or newer (2.8.5 or newer is recommended). +# See home page: https://github.com/taka-no-me/android-cmake +# +# The file is mantained by the OpenCV project. The latest version can be get at +# http://code.opencv.org/projects/opencv/repository/revisions/master/changes/android/android.toolchain.cmake # # Usage Linux: -# $ export ANDROID_NDK=/ -# $ cmake -DCMAKE_TOOLCHAIN_FILE=/android.toolchain.cmake .. -# $ make +# $ 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 Linux (using standalone toolchain): -# $ export ANDROID_NDK_TOOLCHAIN_ROOT=/ -# $ cmake -DCMAKE_TOOLCHAIN_FILE=/android.toolchain.cmake .. -# $ make +# $ export ANDROID_STANDALONE_TOOLCHAIN=/absolute/path/to/android-toolchain +# $ 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. -# For example this one: http://gnuwin32.sourceforge.net/packages/make.htm +# Android NDK r7 (or 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=): +# ANDROID_NDK=/opt/android-ndk - path to the NDK root. +# Can be set as environment variable. Can be set only at first cmake run. # -# $ SET ANDROID_NDK=C:\\android-ndk-r6 -# $ cmake.exe -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=\android.toolchain.cmake -DCMAKE_MAKE_PROGRAM=C:\\make.exe .. -# $ C:\\make.exe +# ANDROID_STANDALONE_TOOLCHAIN=/opt/android-toolchain - path to the +# standalone toolchain. This option is not used if full NDK is found +# (ignored if ANDROID_NDK is set). +# 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. # -# Toolchain options (can be set as cmake parameters: -D=): -# ANDROID_NDK=/opt/android-ndk-r6 - path to NDK root. -# Can be set as environment variable. +# Possible targets are: +# "armeabi" - matches to the NDK ABI with the same name. +# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation. +# "armeabi-v7a" - matches to the NDK ABI with the same name. +# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation. +# "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" - matches to the NDK ABI with the same name. +# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation. +# "mips" - matches to the NDK ABI with the same name +# (It is not tested on real devices by the authos of this toolchain) +# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation. # -# ANDROID_NDK_TOOLCHAIN_ROOT=/opt/android-toolchain - path to standalone toolchain. -# Option is not used if full NDK is found. Can be set as environment variable. +# ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for. +# Option is read-only when standalone toolchain is used. # -# ANDROID_API_LEVEL=android-8 - level of android API to use. -# Option is ignored when build uses stanalone toolchain. +# ANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.6 - the name of compiler +# toolchain to be used. The list of possible values depends on the NDK +# version. For NDK r8c the possible values are: # -# ARM_TARGET=armeabi-v7a - type of floating point support. -# Other possible values are: "armeabi", "armeabi-v7a with NEON", "armeabi-v7a with VFPV3" +# * arm-linux-androideabi-4.4.3 +# * arm-linux-androideabi-4.6 +# * arm-linux-androideabi-clang3.1 +# * mipsel-linux-android-4.4.3 +# * mipsel-linux-android-4.6 +# * mipsel-linux-android-clang3.1 +# * x86-4.4.3 +# * x86-4.6 +# * x86-clang3.1 # -# FORCE_ARM=false - set true to generate 32-bit ARM instructions instead of Thumb-1. +# ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions +# instead of Thumb. Is not available for "x86" (inapplicable) and +# "armeabi-v6 with VFP" (is forced to be ON) ABIs. # -# NO_UNDEFINED=true - set true to show all undefined symbols will as linker errors even if they are not used. +# 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. # -# Toolcahin will search for NDK/toolchain in following order: -# ANDROID_NDK - cmake parameter -# ANDROID_NDK - environment variable -# ANDROID_NDK - default location -# ANDROID_NDK_TOOLCHAIN_ROOT - cmake parameter -# ANDROID_NDK_TOOLCHAIN_ROOT - environment variable -# ANDROID_NDK_TOOLCHAIN_ROOT - default location +# LIBRARY_OUTPUT_PATH_ROOT=${CMAKE_SOURCE_DIR} - where to output binary +# files. See additional details below. # +# ANDROID_SET_OBSOLETE_VARIABLES=ON - if set, then toolchain defines some +# obsolete variables which were used by previous versions of this file for +# backward compatibility. +# +# 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?: -# 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. -# -# ANDROID and BUILD_ANDROID will be set to true, you may test these -# variables to make necessary changes. -# -# Also ARMEABI and ARMEABI_V7A will be set true, mutually exclusive. V7A is -# for floating point. NEON option will be set true if fpu is set to neon. -# -# LIBRARY_OUTPUT_PATH_ROOT should be set in cache to determine where android -# libraries will be installed. -# default is ${CMAKE_SOURCE_DIR} , and the android libs will always be -# under ${LIBRARY_OUTPUT_PATH_ROOT}/libs/armeabi* depending on target. -# this will be convenient for android linking -# -# Base system is Linux, but you may need to change things -# for android compatibility. -# -# -# - initial version December 2010 Ethan Rublee ethan.ruble@gmail.com -# - modified April 2011 Andrey Kamaev andrey.kamaev@itseez.com +# android-cmake toolchain searches for NDK/toolchain in the following order: +# ANDROID_NDK - cmake parameter +# ANDROID_NDK - environment variable +# ANDROID_STANDALONE_TOOLCHAIN - cmake parameter +# ANDROID_STANDALONE_TOOLCHAIN - environment variable +# ANDROID_NDK - default locations +# ANDROID_STANDALONE_TOOLCHAIN - default locations +# +# Make sure to do the following in your scripts: +# SET( CMAKE_CXX_FLAGS "${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 will be set true, mutually +# exclusive. NEON option will be set true if VFP is set to NEON. +# +# LIBRARY_OUTPUT_PATH_ROOT should be set in cache to determine where Android +# libraries will be installed. +# Default is ${CMAKE_SOURCE_DIR}, and the android libs will always be +# under the ${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME} +# (depending on the target ABI). This is convenient for Android packaging. +# +# Change Log: +# - initial version December 2010 +# - April 2011 # [+] added possibility to build with NDK (without standalone toolchain) -# [+] support croos compilation on Windows (native, no cygwin support) +# [+] support cross-compilation on Windows (native, no cygwin support) # [+] added compiler option to force "char" type to be signed # [+] added toolchain option to compile to 32-bit ARM instructions # [+] added toolchain option to disable SWIG search # [+] added platform "armeabi-v7a with VFPV3" # [~] ARM_TARGETS renamed to ARM_TARGET -# - modified April 2011 Andrey Kamaev andrey.kamaev@itseez.com # [+] EXECUTABLE_OUTPUT_PATH is set by toolchain (required on Windows) # [~] Fixed bug with ANDROID_API_LEVEL variable # [~] turn off SWIG search if it is not found first time -# - modified May 2011 Andrey Kamaev andrey.kamaev@itseez.com +# - May 2011 # [~] ANDROID_LEVEL is renamed to ANDROID_API_LEVEL # [+] ANDROID_API_LEVEL is detected by toolchain if not specified -# [~] added guard to prevent changing of output directories on first cmake pass +# [~] added guard to prevent changing of output directories on the first +# cmake pass # [~] toolchain exits with error if ARM_TARGET is not recognized -# - modified June 2011 Andrey Kamaev andrey.kamaev@itseez.com -# [~] default NDK path is updated for version r5c +# - June 2011 +# [~] default NDK path is updated for version r5c # [+] variable CMAKE_SYSTEM_PROCESSOR is set based on ARM_TARGET # [~] toolchain install directory is added to linker paths # [-] removed SWIG-related stuff from toolchain -# [+] added macro find_host_package, find_host_program to search packages/programs on host system +# [+] added macro find_host_package, find_host_program to search +# packages/programs on the host system # [~] fixed path to STL library -# - modified July 2011 Andrey Kamaev andrey.kamaev@itseez.com +# - July 2011 # [~] fixed options caching # [~] search for all supported NDK versions # [~] allowed spaces in NDK path -# ---------------------------------------------------------------------------- +# - September 2011 +# [~] updated for NDK r6b +# - November 2011 +# [*] rewritten for NDK r7 +# [+] x86 toolchain support (experimental) +# [+] added "armeabi-v6 with VFP" ABI for ARMv6 processors. +# [~] improved compiler and linker flags management +# [+] support different build flags for Release and Debug configurations +# [~] by default compiler flags the same as used by ndk-build (but only +# where reasonable) +# [~] ANDROID_NDK_TOOLCHAIN_ROOT is splitted to ANDROID_STANDALONE_TOOLCHAIN +# and ANDROID_TOOLCHAIN_ROOT +# [~] ARM_TARGET is renamed to ANDROID_ABI +# [~] ARMEABI_NDK_NAME is renamed to ANDROID_NDK_ABI_NAME +# [~] ANDROID_API_LEVEL is renamed to ANDROID_NATIVE_API_LEVEL +# - January 2012 +# [+] added stlport_static support (experimental) +# [+] added special check for cygwin +# [+] filtered out hidden files (starting with .) while globbing inside NDK +# [+] automatically applied GLESv2 linkage fix for NDK revisions 5-6 +# [+] added ANDROID_GET_ABI_RAWNAME to get NDK ABI names by CMake flags +# - February 2012 +# [+] updated for NDK r7b +# [~] fixed cmake try_compile() command +# [~] Fix for missing install_name_tool on OS X +# - March 2012 +# [~] fixed incorrect C compiler flags +# [~] fixed CMAKE_SYSTEM_PROCESSOR change on ANDROID_ABI change +# [+] improved toolchain loading speed +# [+] added assembler language support (.S) +# [+] allowed preset search paths and extra search suffixes +# - April 2012 +# [+] updated for NDK r7c +# [~] fixed most of problems with compiler/linker flags and caching +# [+] added option ANDROID_FUNCTION_LEVEL_LINKING +# - May 2012 +# [+] updated for NDK r8 +# [+] added mips architecture support +# - August 2012 +# [+] updated for NDK r8b +# [~] all intermediate files generated by toolchain are moved to CMakeFiles +# [~] libstdc++ and libsupc are removed from explicit link libraries +# [+] added CCache support (via NDK_CCACHE environment or cmake variable) +# [+] added gold linker support for NDK r8b +# [~] fixed mips linker flags for NDK r8b +# - September 2012 +# [+] added NDK release name detection (see ANDROID_NDK_RELEASE) +# [+] added support for all C++ runtimes from NDK +# (system, gabi++, stlport, gnustl) +# [+] improved warnings on known issues of NDKs +# [~] use gold linker as default if available (NDK r8b) +# [~] globally turned off rpath +# [~] compiler options are aligned with NDK r8b +# - October 2012 +# [~] fixed C++ linking: explicitly link with math library (OpenCV #2426) +# - November 2012 +# [+] updated for NDK r8c +# [+] added support for clang compiler +# - December 2012 +# [+] suppress warning about unused CMAKE_TOOLCHAIN_FILE variable +# [+] adjust API level to closest compatible as NDK does +# [~] fixed ccache full path search +# [+] updated for NDK r8d +# [~] compiler options are aligned with NDK r8d +# - March 2013 +# [+] updated for NDK r8e (x86 version) +# [+] support x86_64 version of NDK +# ------------------------------------------------------------------------------ + +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 only to suppress "unused variable" warning +endif() + +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 set( CMAKE_SYSTEM_NAME Linux ) -#this one not so much +# this one not so much set( CMAKE_SYSTEM_VERSION 1 ) -set( ANDROID_NDK_DEFAULT_SEARCH_PATH /opt/android-ndk ) -set( ANDROID_NDK_SUPPORTED_VERSIONS -r6 -r5c -r5b -r5 "") -set( ANDROID_NDK_TOOLCHAIN_DEFAULT_SEARCH_PATH /opt/android-toolchain ) -set( TOOL_OS_SUFFIX "" ) +# rpath makes low sence for Android +set( CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries." ) -macro( __TOOLCHAIN_DETECT_API_LEVEL _path ) - SET( _expected ${ARGV1} ) - if( NOT EXISTS ${_path} ) - message( FATAL_ERROR "Could not verify Android API level. Probably you have specified invalid level value, or your copy of NDK/toolchain is broken." ) - endif() - SET( API_LEVEL_REGEX "^[\t ]*#define[\t ]+__ANDROID_API__[\t ]+([0-9]+)[\t ]*$" ) - FILE( STRINGS ${_path} API_FILE_CONTENT REGEX "${API_LEVEL_REGEX}") - if( NOT API_FILE_CONTENT ) - message( FATAL_ERROR "Could not verify Android API level. Probably you have specified invalid level value, or your copy of NDK/toolchain is broken." ) - endif() - string( REGEX REPLACE "${API_LEVEL_REGEX}" "\\1" ANDROID_LEVEL_FOUND "${API_FILE_CONTENT}" ) - if( DEFINED _expected ) - if( NOT ${ANDROID_LEVEL_FOUND} EQUAL ${_expected} ) - message( FATAL_ERROR "Specified Android API level does not match level found. Probably your copy of NDK/toolchain is broken." ) - endif() +set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" ) +if(NOT DEFINED ANDROID_NDK_SEARCH_PATHS) + if( CMAKE_HOST_WIN32 ) + file( TO_CMAKE_PATH "$ENV{PROGRAMFILES}" ANDROID_NDK_SEARCH_PATHS ) + set( ANDROID_NDK_SEARCH_PATHS "${ANDROID_NDK_SEARCH_PATHS}/android-ndk" "$ENV{SystemDrive}/NVPACK/android-ndk" ) + else() + file( TO_CMAKE_PATH "$ENV{HOME}" ANDROID_NDK_SEARCH_PATHS ) + set( ANDROID_NDK_SEARCH_PATHS /opt/android-ndk "${ANDROID_NDK_SEARCH_PATHS}/NVPACK/android-ndk" ) endif() - set( ANDROID_API_LEVEL ${ANDROID_LEVEL_FOUND} CACHE STRING "android API level" FORCE ) -endmacro() - -if( NOT DEFINED ANDROID_NDK ) - set( ANDROID_NDK $ENV{ANDROID_NDK} ) endif() - -if( NOT DEFINED ANDROID_NDK_TOOLCHAIN_ROOT ) - set( ANDROID_NDK_TOOLCHAIN_ROOT $ENV{ANDROID_NDK_TOOLCHAIN_ROOT} ) +if(NOT DEFINED ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH) + set( ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH /opt/android-toolchain ) endif() -#set path for android NDK -- look -if( NOT EXISTS "${ANDROID_NDK}" AND NOT DEFINED ANDROID_NDK_TOOLCHAIN_ROOT ) - foreach(ndk_version ${ANDROID_NDK_SUPPORTED_VERSIONS}) - if( EXISTS ${ANDROID_NDK_DEFAULT_SEARCH_PATH}${ndk_version} ) - set ( ANDROID_NDK ${ANDROID_NDK_DEFAULT_SEARCH_PATH}${ndk_version} ) - message( STATUS "Using default path for android NDK ${ANDROID_NDK}" ) - message( STATUS " If you prefer to use a different location, please define the variable: ANDROID_NDK" ) +set( ANDROID_SUPPORTED_ABIS_arm "armeabi-v7a;armeabi;armeabi-v7a with NEON;armeabi-v7a with VFPV3;armeabi-v6 with VFP" ) +set( ANDROID_SUPPORTED_ABIS_x86 "x86" ) +set( ANDROID_SUPPORTED_ABIS_mipsel "mips" ) + +set( ANDROID_DEFAULT_NDK_API_LEVEL 8 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_x86 9 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_mips 9 ) + + +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 ${ARGN} ) + if( __var STREQUAL "PATH" ) + set( __test_path 1 ) break() endif() endforeach() -endif() + if( __test_path AND NOT EXISTS "${${var_name}}" ) + unset( ${var_name} CACHE ) + endif() + if( "${${var_name}}" STREQUAL "" ) + set( __values 0 ) + foreach( __var ${ARGN} ) + if( __var STREQUAL "VALUES" ) + set( __values 1 ) + elseif( NOT __var STREQUAL "PATH" ) + set( __obsolete 0 ) + if( __var MATCHES "^OBSOLETE_.*$" ) + string( REPLACE "OBSOLETE_" "" __var "${__var}" ) + set( __obsolete 1 ) + endif() + if( __var MATCHES "^ENV_.*$" ) + string( REPLACE "ENV_" "" __var "${__var}" ) + set( __value "$ENV{${__var}}" ) + elseif( DEFINED ${__var} ) + set( __value "${${__var}}" ) + else() + if( __values ) + set( __value "${__var}" ) + else() + set( __value "" ) + endif() + endif() + if( NOT "${__value}" STREQUAL "" ) + if( __test_path ) + if( EXISTS "${__value}" ) + file( TO_CMAKE_PATH "${__value}" ${var_name} ) + if( __obsolete AND NOT _CMAKE_IN_TRY_COMPILE ) + message( WARNING "Using value of obsolete variable ${__var} as initial value for ${var_name}. Please note, that ${__var} can be completely removed in future versions of the toolchain." ) + endif() + break() + endif() + else() + set( ${var_name} "${__value}" ) + if( __obsolete AND NOT _CMAKE_IN_TRY_COMPILE ) + message( WARNING "Using value of obsolete variable ${__var} as initial value for ${var_name}. Please note, that ${__var} can be completely removed in future versions of the toolchain." ) + endif() + break() + endif() + endif() + endif() + endforeach() + unset( __value ) + unset( __values ) + unset( __obsolete ) + elseif( __test_path ) + file( TO_CMAKE_PATH "${${var_name}}" ${var_name} ) + endif() + unset( __test_path ) +endmacro() -if( EXISTS "${ANDROID_NDK}" ) - set( ANDROID_NDK "${ANDROID_NDK}" CACHE PATH "root of the android ndk" FORCE ) - - if( APPLE ) - set( NDKSYSTEM "darwin-x86" ) - elseif( WIN32 ) - set( NDKSYSTEM "windows" ) - set( TOOL_OS_SUFFIX ".exe" ) - elseif( UNIX ) - set( NDKSYSTEM "linux-x86" ) +macro( __DETECT_NATIVE_API_LEVEL _var _path ) + SET( __ndkApiLevelRegex "^[\t ]*#define[\t ]+__ANDROID_API__[\t ]+([0-9]+)[\t ]*$" ) + 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() - message( FATAL_ERROR "Your platform is not supported" ) + set( ${_var} "" ) endif() +endmacro() - set( ANDROID_API_LEVEL $ENV{ANDROID_API_LEVEL} ) - string( REGEX REPLACE "[\t ]*android-([0-9]+)[\t ]*" "\\1" ANDROID_API_LEVEL "${ANDROID_API_LEVEL}" ) - string( REGEX REPLACE "[\t ]*([0-9]+)[\t ]*" "\\1" ANDROID_API_LEVEL "${ANDROID_API_LEVEL}" ) - set( PossibleAndroidLevels "3;4;5;8;9" ) - set( ANDROID_API_LEVEL ${ANDROID_API_LEVEL} CACHE STRING "android API level" ) - set_property( CACHE ANDROID_API_LEVEL PROPERTY STRINGS ${PossibleAndroidLevels} ) - - if( NOT ANDROID_API_LEVEL GREATER 2 ) - set( ANDROID_API_LEVEL 8) - message( STATUS "Using default android API level android-${ANDROID_API_LEVEL}" ) - message( STATUS " If you prefer to use a different API level, please define the variable: ANDROID_API_LEVEL" ) +# 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() - set( ANDROID_NDK_TOOLCHAIN_ROOT "${ANDROID_NDK}/toolchains/arm-linux-androideabi-4.4.3/prebuilt/${NDKSYSTEM}" ) - set( ANDROID_NDK_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_API_LEVEL}/arch-arm" ) - - __TOOLCHAIN_DETECT_API_LEVEL( "${ANDROID_NDK_SYSROOT}/usr/include/android/api-level.h" ${ANDROID_API_LEVEL} ) - - #message( STATUS "Using android NDK from ${ANDROID_NDK}" ) - set( BUILD_WITH_ANDROID_NDK True ) -else() - #try to find toolchain - if( NOT EXISTS "${ANDROID_NDK_TOOLCHAIN_ROOT}" ) - set( ANDROID_NDK_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAIN_DEFAULT_SEARCH_PATH}" ) - message( STATUS "Using default path for toolchain ${ANDROID_NDK_TOOLCHAIN_ROOT}" ) - message( STATUS " If you prefer to use a different location, please define the variable: ANDROID_NDK_TOOLCHAIN_ROOT" ) + if( CMAKE_HOST_WIN32 ) + # remove cygwin from PATH + set( __new_path "$ENV{PATH}") + __LIST_FILTER( __new_path "cygwin" ) + set(ENV{PATH} "${__new_path}") + unset(__new_path) endif() +endif() - set( ANDROID_NDK_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAIN_ROOT}" CACHE PATH "root of the Android NDK standalone toolchain" FORCE ) - set( ANDROID_NDK_SYSROOT "${ANDROID_NDK_TOOLCHAIN_ROOT}/sysroot" ) - if( NOT EXISTS "${ANDROID_NDK_TOOLCHAIN_ROOT}" ) - message( FATAL_ERROR "neither ${ANDROID_NDK} nor ${ANDROID_NDK_TOOLCHAIN_ROOT} does not exist! +# detect current host platform +if( NOT DEFINED ANDROID_NDK_HOST_X64 AND CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64") + 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 +__INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK ) +if( NOT ANDROID_NDK ) + # see if we have path to Android standalone toolchain + __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN OBSOLETE_ANDROID_NDK_TOOLCHAIN_ROOT OBSOLETE_ENV_ANDROID_NDK_TOOLCHAIN_ROOT ) + + 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}${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 ) + # try to detect change + if( CMAKE_AR ) + string( LENGTH "${ANDROID_NDK}" __length ) + string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) + if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK ) + message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first. + " ) + endif() + unset( __androidNdkPreviousPath ) + unset( __length ) + endif() + set( ANDROID_NDK "${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 "${ANDROID_NDK_RELEASE_FULL}" ) + else() + set( ANDROID_NDK_RELEASE "r1x" ) + set( ANDROID_NDK_RELEASE_FULL "unreleased" ) + endif() +elseif( ANDROID_STANDALONE_TOOLCHAIN ) + get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${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_NDK_TOOLCHAIN_ROOT=~/my-android-toolchain + 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_DEFAULT_SEARCH_PATH} - sudo ln -s ~/my-android-toolchain ${ANDROID_NDK_TOOLCHAIN_DEFAULT_SEARCH_PATH}" ) - endif() - - __TOOLCHAIN_DETECT_API_LEVEL( "${ANDROID_NDK_SYSROOT}/usr/include/android/api-level.h" ) - - #message( STATUS "Using android NDK standalone toolchain from ${ANDROID_NDK_TOOLCHAIN_ROOT}" ) - set( BUILD_WITH_ANDROID_NDK_TOOLCHAIN True ) -endif() - -# specify the cross compiler -set( CMAKE_C_COMPILER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" FORCE ) -set( CMAKE_CXX_COMPILER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++" FORCE ) -#there may be a way to make cmake deduce these TODO deduce the rest of the tools -set( CMAKE_AR "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" FORCE ) -set( CMAKE_LINKER "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" FORCE ) -set( CMAKE_NM "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-nm${TOOL_OS_SUFFIX}" CACHE PATH "nm" FORCE ) -set( CMAKE_OBJCOPY "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-objcopy${TOOL_OS_SUFFIX}" CACHE PATH "objcopy" FORCE ) -set( CMAKE_OBJDUMP "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-objdump${TOOL_OS_SUFFIX}" CACHE PATH "objdump" FORCE ) -set( CMAKE_STRIP "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" FORCE ) -set( CMAKE_RANLIB "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin/arm-linux-androideabi-ranlib${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" FORCE ) - -#setup build targets, mutually exclusive -set( PossibleArmTargets "armeabi;armeabi-v7a;armeabi-v7a with NEON;armeabi-v7a with VFPV3" ) -#compatibility junk for previous version of toolchain -if( DEFINED ARM_TARGETS AND NOT DEFINED ARM_TARGET ) - set( ARM_TARGET "${ARM_TARGETS}" ) -endif() -IF( NOT ARM_TARGET) - set( ARM_TARGET armeabi-v7a ) -ENDIF() -set( ARM_TARGET "${ARM_TARGET}" CACHE INTERNAL "the arm target for android, recommend armeabi-v7a for floating point support and NEON." ) -set_property( CACHE ARM_TARGET PROPERTY STRINGS ${PossibleArmTargets} ) - -#set these flags for client use -if( ARM_TARGET STREQUAL "armeabi" ) + sudo ln -s ~/my-android-ndk ${ANDROID_NDK_SEARCH_PATH} + sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" ) +endif() + +# android NDK layout +if( BUILD_WITH_ANDROID_NDK ) + if( NOT DEFINED ANDROID_NDK_LAYOUT ) + set( ANDROID_NDK_LAYOUT "RELEASE" ) + endif() + set( ANDROID_NDK_LAYOUT "${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}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE" + set( ANDROID_NDK_TOOLCHAINS_PATH "${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() +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 i686 ) + set( __availableToolchainArchs "x86" ) + elseif( __availableToolchainMachines MATCHES arm ) + set( __availableToolchainArchs "arm" ) + elseif( __availableToolchainMachines MATCHES mipsel ) + set( __availableToolchainArchs "mipsel" ) + 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}${__toolchain_subpath}" ) + string( REGEX REPLACE "-clang3[.][0-9]$" "-4.6" __gcc_toolchain "${__toolchain}" ) + else() + set( __gcc_toolchain "${__toolchain}" ) + endif() + __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK_TOOLCHAINS_PATH}/${__gcc_toolchain}${__toolchain_subpath}" ) + if( __machine ) + string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9x]+)?$" __version "${__gcc_toolchain}" ) + if( __machine MATCHES i686 ) + set( __arch "x86" ) + elseif( __machine MATCHES arm ) + set( __arch "arm" ) + elseif( __machine MATCHES mipsel ) + set( __arch "mipsel" ) + endif() + list( APPEND __availableToolchainMachines "${__machine}" ) + list( APPEND __availableToolchainArchs "${__arch}" ) + list( APPEND __availableToolchainCompilerVersions "${__version}" ) + list( APPEND ${__availableToolchainsVar} "${__toolchain}" ) + 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}" "${ANDROID_NDK_TOOLCHAINS_PATH}/*" ) + if( __availableToolchains ) + list(SORT __availableToolchainsLst) # we need clang to go after gcc + endif() + __LIST_FILTER( __availableToolchainsLst "^[.]" ) + __LIST_FILTER( __availableToolchainsLst "llvm" ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${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 OBSOLETE_ARM_TARGET OBSOLETE_ARM_TARGETS 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_ARCH_FULLNAME "x86" ) + set( ANDROID_LLVM_TRIPLE "i686-none-linux-android" ) + set( CMAKE_SYSTEM_PROCESSOR "i686" ) +elseif( ANDROID_ABI STREQUAL "mips" ) + set( MIPS true ) + set( ANDROID_NDK_ABI_NAME "mips" ) + set( ANDROID_ARCH_NAME "mips" ) + set( ANDROID_ARCH_FULLNAME "mipsel" ) + set( ANDROID_LLVM_TRIPLE "mipsel-none-linux-android" ) + set( CMAKE_SYSTEM_PROCESSOR "mips" ) +elseif( ANDROID_ABI STREQUAL "armeabi" ) set( ARMEABI true ) - set( ARMEABI_NDK_NAME "armeabi" ) - set( NEON false ) + set( ANDROID_NDK_ABI_NAME "armeabi" ) + set( ANDROID_ARCH_NAME "arm" ) + set( ANDROID_ARCH_FULLNAME "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_ARCH_FULLNAME "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_ARCH_FULLNAME "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_ARCH_FULLNAME "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_ARCH_FULLNAME "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 OBSOLETE_FORCE_ARM 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 ${__toolchainIdx} __toolchainArch ) + if( NOT __toolchainArch STREQUAL ANDROID_ARCH_FULLNAME ) + message( SEND_ERROR "Selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is not able to compile binaries for the \"${ANDROID_ARCH_NAME}\" platform." ) + endif() else() - if( ARM_TARGET STREQUAL "armeabi-v7a with NEON" ) - set( NEON true ) - set( VFPV3 true ) - elseif( ARM_TARGET STREQUAL "armeabi-v7a with VFPV3" ) - set( VFPV3 true ) - elseif( NOT ARM_TARGET STREQUAL "armeabi-v7a") - message( FATAL_ERROR "Unsupported ARM_TARGET=${ARM_TARGET} is specified. -Supported values are: \"armeabi\", \"armeabi-v7a\", \"armeabi-v7a with NEON\", \"armeabi-v7a with VFPV3\" + 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_FULLNAME ) + 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( REGEX MATCH "[0-9]+" 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( NOT __level GREATER ANDROID_NATIVE_API_LEVEL AND NOT __level LESS __real_api_level ) + set( __real_api_level ${__level} ) + endif() +endforeach() +if( __real_api_level AND NOT ANDROID_NATIVE_API_LEVEL EQUAL __real_api_level ) + message( STATUS "Adjusting Android API level 'android-${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 ) + 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 ) + 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_FULLNAME} ) + set_property( CACHE ANDROID_ABI PROPERTY STRINGS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME}} ) +endif() + + +# runtime choice (STL, rtti, exceptions) +if( NOT ANDROID_STL ) + # honor legacy ANDROID_USE_STLPORT + if( DEFINED ANDROID_USE_STLPORT ) + if( ANDROID_USE_STLPORT ) + set( ANDROID_STL stlport_static ) + endif() + message( WARNING "You are using an obsolete variable ANDROID_USE_STLPORT to select the STL variant. Use -DANDROID_STL=stlport_static instead." ) + endif() + if( NOT ANDROID_STL ) + set( ANDROID_STL gnustl_static ) + endif() +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() - set( ARMEABI_V7A true ) - set( ARMEABI_NDK_NAME "armeabi-v7a" ) - set( CMAKE_SYSTEM_PROCESSOR "armv7-a" ) endif() -#setup output directories -set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "root for library output, set this to change where android libs are installed to" ) +unset( ANDROID_RTTI ) +unset( ANDROID_EXCEPTIONS ) +unset( ANDROID_STL_INCLUDE_DIRS ) +unset( __libstl ) +unset( __libsupcxx ) -SET( DO_NOT_CHANGE_OUTPUT_PATHS_ON_FIRST_PASS OFF CACHE BOOL "") -if( DO_NOT_CHANGE_OUTPUT_PATHS_ON_FIRST_PASS ) - if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" ) - set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ARMEABI_NDK_NAME}" CACHE PATH "Output directory for applications") - else() - set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications") +if( NOT _CMAKE_IN_TRY_COMPILE AND ANDROID_NDK_RELEASE STREQUAL "r7b" AND ARMEABI_V7A AND NOT VFPV3 AND ANDROID_STL MATCHES "gnustl" ) + message( WARNING "The GNU STL armeabi-v7a binaries from NDK r7b can crash non-NEON devices. The files provided with NDK r7b were not configured properly, resulting in crashes on Tegra2-based devices and others when trying to use certain floating-point functions (e.g., cosf, sinf, expf). +You are strongly recommended to switch to another NDK release. +" ) +endif() + +if( NOT _CMAKE_IN_TRY_COMPILE AND X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" ) + message( WARNING "The x86 system header file from NDK r6 has incorrect definition for ptrdiff_t. You are recommended to upgrade to a newer NDK release or manually patch the header: +See https://android.googlesource.com/platform/development.git f907f4f9d4e56ccc8093df6fee54454b8bcab6c2 + diff --git a/ndk/platforms/android-9/arch-x86/include/machine/_types.h b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + index 5e28c64..65892a1 100644 + --- a/ndk/platforms/android-9/arch-x86/include/machine/_types.h + +++ b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + @@ -51,7 +51,11 @@ typedef long int ssize_t; + #endif + #ifndef _PTRDIFF_T + #define _PTRDIFF_T + -typedef long ptrdiff_t; + +# ifdef __ANDROID__ + + typedef int ptrdiff_t; + +# else + + typedef long ptrdiff_t; + +# endif + #endif +" ) +endif() + + +# setup paths and STL for standalone toolchain +if( BUILD_WITH_STANDALONE_TOOLCHAIN ) + set( ANDROID_TOOLCHAIN_ROOT "${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 "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}" ) + if( ARMEABI_V7A AND EXISTS "${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}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" ) + endif() + endif() endif() - set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ARMEABI_NDK_NAME}" CACHE PATH "path for android libs") - set( CMAKE_INSTALL_PREFIX "${ANDROID_NDK_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" ) endif() -SET( DO_NOT_CHANGE_OUTPUT_PATHS_ON_FIRST_PASS ON CACHE INTERNAL "" FORCE) -# where is the target environment -set( CMAKE_FIND_ROOT_PATH "${ANDROID_NDK_TOOLCHAIN_ROOT}/bin" "${ANDROID_NDK_TOOLCHAIN_ROOT}/arm-linux-androideabi" "${ANDROID_NDK_SYSROOT}" "${CMAKE_INSTALL_PREFIX}" "${CMAKE_INSTALL_PREFIX}/share" ) +# clang +if( "${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}$" "-4.6" ANDROID_GCC_TOOLCHAIN_NAME "${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( STL_PATH "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++" ) - set( STL_LIBRARIES_PATH "${STL_PATH}/libs/${ARMEABI_NDK_NAME}" ) - include_directories(SYSTEM "${STL_PATH}/include" "${STL_LIBRARIES_PATH}/include" ) -# if ( NOT ARMEABI AND NOT FORCE_ARM ) -# set( STL_LIBRARIES_PATH "${ANDROID_NDK_TOOLCHAIN_ROOT}/arm-linux-androideabi/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb" ) -# endif() + set( ANDROID_TOOLCHAIN_ROOT "${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 "${ANDROID_NDK}/sources/cxx-stl/system/include" ) + elseif( ANDROID_STL MATCHES "gabi" ) + if( ANDROID_NDK_RELEASE STRLESS "r7" ) + message( FATAL_ERROR "gabi++ is not awailable in your NDK. You have to upgrade to NDK r7 or newer to use gabi++.") + endif() + set( ANDROID_RTTI ON ) + set( ANDROID_EXCEPTIONS OFF ) + set( ANDROID_STL_INCLUDE_DIRS "${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 STRLESS "r8d" ) + set( ANDROID_EXCEPTIONS ON ) + else() + set( ANDROID_EXCEPTIONS OFF ) + endif() + if( ANDROID_NDK_RELEASE STRLESS "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" ) + 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 "${__libsupcxx}") + message( ERROR "Could not find libsupc++.a for a chosen platform. Either your NDK is not supported or is broken.") + endif() + endif() endif() -if( BUILD_WITH_ANDROID_NDK_TOOLCHAIN ) - set( STL_LIBRARIES_PATH "${ANDROID_NDK_TOOLCHAIN_ROOT}/arm-linux-androideabi/lib" ) - if( NOT ARMEABI ) - set( STL_LIBRARIES_PATH "${STL_LIBRARIES_PATH}/${CMAKE_SYSTEM_PROCESSOR}" ) + +# case of shared STL linkage +if( ANDROID_STL MATCHES "shared" AND DEFINED __libstl ) + string( REPLACE "_static.a" "_shared.so" __libstl "${__libstl}" ) + if( NOT _CMAKE_IN_TRY_COMPILE AND __libstl MATCHES "[.]so$" ) + 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() - if( NOT FORCE_ARM ) - set( STL_LIBRARIES_PATH "${STL_LIBRARIES_PATH}/thumb" ) +endif() + + +# ccache support +__INIT_VARIABLE( _ndk_ccache NDK_CCACHE ENV_NDK_CCACHE ) +if( _ndk_ccache ) + if( DEFINED NDK_CCACHE AND NOT EXISTS NDK_CCACHE ) + unset( NDK_CCACHE CACHE ) endif() - #for some reason this is needed? TODO figure out why... - include_directories(SYSTEM "${ANDROID_NDK_TOOLCHAIN_ROOT}/arm-linux-androideabi/include/c++/4.4.3/arm-linux-androideabi" ) + find_program( NDK_CCACHE "${_ndk_ccache}" DOC "The path to ccache binary") +else() + unset( NDK_CCACHE CACHE ) endif() +unset( _ndk_ccache ) -# only search for libraries and includes in the ndk toolchain -set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY ) -set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) -set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) -set( CMAKE_CXX_FLAGS "-fPIC -DANDROID -Wno-psabi -fsigned-char" ) -set( CMAKE_C_FLAGS "-fPIC -DANDROID -Wno-psabi -fsigned-char" ) +# setup the cross-compiler +if( NOT CMAKE_C_COMPILER ) + if( NDK_CCACHE ) + set( CMAKE_C_COMPILER "${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${TOOL_OS_SUFFIX}" CACHE PATH "strip" ) + set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" ) + 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${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" ) +endif() -set( FORCE_ARM OFF CACHE BOOL "Use 32-bit ARM instructions instead of Thumb-1" ) -if( NOT FORCE_ARM ) - #It is recommended to use the -mthumb compiler flag to force the generation - #of 16-bit Thumb-1 instructions (the default being 32-bit ARM ones). - set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthumb" ) - set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb" ) +set( _CMAKE_TOOLCHAIN_PREFIX "${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( "${CMAKE_C_COMPILER}" GNU ) +if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_C_COMPILER_ID Clang) +endif() +set( CMAKE_C_PLATFORM_ID Linux ) +set( CMAKE_C_SIZEOF_DATA_PTR 4 ) +set( CMAKE_C_HAS_ISYSROOT 1 ) +set( CMAKE_C_COMPILER_ABI ELF ) +CMAKE_FORCE_CXX_COMPILER( "${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 4 ) +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 ) + +# flags and definitions +remove_definitions( -DANDROID ) +add_definitions( -DANDROID ) + +if(ANDROID_SYSROOT MATCHES "[ ;\"]") + set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" ) + if( NOT _CMAKE_IN_TRY_COMPILE ) + # quotes will break try_compile and compiler identification + message(WARNING "Your Android system root has non-alphanumeric symbols. It can break compiler features detection and the whole build.") + endif() else() - set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -marm" ) - set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm" ) + set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) endif() -if( BUILD_WITH_ANDROID_NDK ) - set( CMAKE_CXX_FLAGS "--sysroot=\"${ANDROID_NDK_SYSROOT}\" ${CMAKE_CXX_FLAGS}" ) - set( CMAKE_C_FLAGS "--sysroot=\"${ANDROID_NDK_SYSROOT}\" ${CMAKE_C_FLAGS}" ) +# NDK flags +if( ARMEABI OR ARMEABI_V7A ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -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 ) + 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" ) + else() + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fPIC" ) + endif() + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) +elseif( MIPS ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -fno-strict-aliasing -finline-functions -ffunction-sections -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() - # workaround for ugly cmake bug - compiler identification replaces all spaces (and somethimes " !!!) in compiler flags with ; symbol - # as result identification fails if ANDROID_NDK_SYSROOT contain spaces - include(CMakeForceCompiler) - CMAKE_FORCE_C_COMPILER("${CMAKE_C_COMPILER}" GNU) - CMAKE_FORCE_CXX_COMPILER("${CMAKE_CXX_COMPILER}" GNU) +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 ) - #these are required flags for android armv7-a - set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv7-a -mfloat-abi=softfp" ) - set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv7-a -mfloat-abi=softfp" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mfloat-abi=softfp" ) if( NEON ) - set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon" ) - set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" ) elseif( VFPV3 ) - set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfpv3" ) - set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=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_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" ) -set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags" ) - -#-Wl,-L${LIBCPP_LINK_DIR},-lstdc++,-lsupc++ -#-L${LIBCPP_LINK_DIR} -lstdc++ -lsupc++ -#Also, this is *required* to use the following linker flags that routes around -#a CPU bug in some Cortex-A8 implementations: -set( LINKER_FLAGS "-Wl,--fix-cortex-a8 -L\"${STL_LIBRARIES_PATH}\" -L\"${CMAKE_INSTALL_PREFIX}/libs/${ARMEABI_NDK_NAME}\" -lstdc++ -lsupc++ " ) +# STL +if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" ) + if( ANDROID_STL MATCHES "gnustl" ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) + set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) + set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) + else() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) + set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) + set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) + endif() + if ( X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" ) + # workaround "undefined reference to `__dso_handle'" problem + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) + endif() + if( EXISTS "${__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} \"${__libsupcxx}\"" ) + # C objects: + set( CMAKE_C_CREATE_SHARED_LIBRARY " -o " ) + set( CMAKE_C_CREATE_SHARED_MODULE " -o " ) + set( CMAKE_C_LINK_EXECUTABLE " -o " ) + set( CMAKE_C_CREATE_SHARED_LIBRARY "${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} \"${__libsupcxx}\"" ) + endif() + if( ANDROID_STL MATCHES "gnustl" ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} -lm" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} -lm" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lm" ) + endif() +endif() + +# variables controlling optional build flags +if (ANDROID_NDK_RELEASE STRLESS "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 OBSOLETE_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 "Allows or disallows undefined symbols in shared libraries" ) +set( ANDROID_GOLD_LINKER ${ANDROID_GOLD_LINKER} CACHE BOOL "Enables gold linker (only avaialble for NDK r8b for ARM and x86 architectures on linux-86 and darwin-x86 hosts)" ) +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 ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" ) +endif() + +if( ANDROID_SO_UNDEFINED ) + set( ANDROID_LINKER_FLAGS "${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 STRGREATER "r8b") AND (ARMEABI OR ARMEABI_V7A OR X86) ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=gold" ) + elseif( ANDROID_NDK_RELEASE STRGREATER "r8b") + set( ANDROID_LINKER_FLAGS "${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 "-Qunused-arguments ${ANDROID_CXX_FLAGS}" ) + if( ARMEABI_V7A AND NOT ANDROID_FORCE_ARM_BUILD ) + set( ANDROID_CXX_FLAGS_RELEASE "-target thumbv7-none-linux-androideabi ${ANDROID_CXX_FLAGS_RELEASE}" ) + set( ANDROID_CXX_FLAGS_DEBUG "-target ${ANDROID_LLVM_TRIPLE} ${ANDROID_CXX_FLAGS_DEBUG}" ) + else() + set( ANDROID_CXX_FLAGS "-target ${ANDROID_LLVM_TRIPLE} ${ANDROID_CXX_FLAGS}" ) + endif() + 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() + +# 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() -set( NO_UNDEFINED ON CACHE BOOL "Don't all undefined symbols" ) -if( NO_UNDEFINED ) - set( LINKER_FLAGS "-Wl,--no-undefined ${LINKER_FLAGS}" ) +# 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 ${CMAKE_C_FLAGS}" ) + endif() endif() -set( CMAKE_SHARED_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE ) -set( CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE ) -set( CMAKE_EXE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE ) +# global includes and link directories +include_directories( SYSTEM "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} ) +link_directories( "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ) + +# setup output directories +set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "root for library output, set this to change where android libs are installed to" ) +set( CMAKE_INSTALL_PREFIX "${ANDROID_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" ) -#set these global flags for cmake client scripts to change behavior +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 "path for android libs" ) +endif() + +# set these global flags for cmake client scripts to change behavior set( ANDROID True ) set( BUILD_ANDROID True ) -#macro to find packages on the host OS -macro(find_host_package) +# 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 ) @@ -378,13 +1503,15 @@ macro(find_host_package) find_package( ${ARGN} ) SET( WIN32 ) SET( APPLE ) - SET( UNIX 1) + 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) + + +# 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 ) @@ -398,10 +1525,141 @@ macro(find_host_program) find_program( ${ARGN} ) SET( WIN32 ) SET( APPLE ) - SET( UNIX 1) + SET( UNIX 1 ) set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY ) set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY ) endmacro() -MARK_AS_ADVANCED(FORCE_ARM NO_UNDEFINED) + +macro( ANDROID_GET_ABI_RAWNAME TOOLCHAIN_FLAG VAR ) + if( "${TOOLCHAIN_FLAG}" STREQUAL "ARMEABI" ) + set( ${VAR} "armeabi" ) + elseif( "${TOOLCHAIN_FLAG}" STREQUAL "ARMEABI_V7A" ) + set( ${VAR} "armeabi-v7a" ) + elseif( "${TOOLCHAIN_FLAG}" STREQUAL "X86" ) + set( ${VAR} "x86" ) + elseif( "${TOOLCHAIN_FLAG}" STREQUAL "MIPS" ) + set( ${VAR} "mips" ) + else() + set( ${VAR} "unknown" ) + endif() +endmacro() + + +# export toolchain settings for the try_compile() command +if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) + set( __toolchain_config "") + foreach( __var NDK_CCACHE LIBRARY_OUTPUT_PATH_ROOT ANDROID_FORBID_SYGWIN ANDROID_SET_OBSOLETE_VARIABLES + 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 + ) + 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() + + +# set some obsolete variables for backward compatibility +set( ANDROID_SET_OBSOLETE_VARIABLES ON CACHE BOOL "Define obsolete Andrid-specific cmake variables" ) +mark_as_advanced( ANDROID_SET_OBSOLETE_VARIABLES ) +if( ANDROID_SET_OBSOLETE_VARIABLES ) + set( ANDROID_API_LEVEL ${ANDROID_NATIVE_API_LEVEL} ) + set( ARM_TARGET "${ANDROID_ABI}" ) + set( ARMEABI_NDK_NAME "${ANDROID_NDK_ABI_NAME}" ) +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" +# ANDROID_NATIVE_API_LEVEL : 3,4,5,8,9,14 (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_SET_OBSOLETE_VARIABLES : ON/OFF +# Can be set only at the first run: +# ANDROID_NDK +# ANDROID_STANDALONE_TOOLCHAIN +# 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 : +# NDK_CCACHE : +# Obsolete: +# ANDROID_API_LEVEL : superseded by ANDROID_NATIVE_API_LEVEL +# ARM_TARGET : superseded by ANDROID_ABI +# ARM_TARGETS : superseded by ANDROID_ABI (can be set only) +# ANDROID_NDK_TOOLCHAIN_ROOT : superseded by ANDROID_STANDALONE_TOOLCHAIN (can be set only) +# ANDROID_USE_STLPORT : superseded by ANDROID_STL=stlport_static +# ANDROID_LEVEL : superseded by ANDROID_NATIVE_API_LEVEL (completely removed) +# +# 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 +# NEON : TRUE if NEON unit is enabled +# VFPV3 : TRUE if VFP version 3 is enabled +# X86 : TRUE if configured for x86 +# MIPS : TRUE if configured for mips +# BUILD_ANDROID : always TRUE +# 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" or "mips" depending on ANDROID_ABI +# ANDROID_NDK_RELEASE : one of r5, r5b, r5c, r6, r6b, r7, r7b, r7c, r8, r8b, r8c, r8d, r8e; set only for NDK +# ANDROID_ARCH_NAME : "arm" or "x86" or "mips" 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 +# Obsolete: +# ARMEABI_NDK_NAME : superseded by ANDROID_NDK_ABI_NAME +# +# Secondary (less stable) read-only variables: +# ANDROID_COMPILER_VERSION : GCC version 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 +# ANDROID_CLANG_VERSION : version of clang compiler if clang is used +# +# Defaults: +# ANDROID_DEFAULT_NDK_API_LEVEL +# ANDROID_DEFAULT_NDK_API_LEVEL_${ARCH} +# ANDROID_NDK_SEARCH_PATHS +# ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH +# ANDROID_SUPPORTED_ABIS_${ARCH} +# ANDROID_SUPPORTED_NDK_VERSIONS