diff options
Diffstat (limited to 'cmake/toolchains/android.toolchain.cmake')
| -rw-r--r-- | cmake/toolchains/android.toolchain.cmake | 1832 |
1 files changed, 1194 insertions, 638 deletions
diff --git a/cmake/toolchains/android.toolchain.cmake b/cmake/toolchains/android.toolchain.cmake index 0b10971..1eeebe5 100644 --- a/cmake/toolchains/android.toolchain.cmake +++ b/cmake/toolchains/android.toolchain.cmake @@ -1,12 +1,37 @@ -# ------------------------------------------------------------------------------ -# Android CMake toolchain file, for use with the Android NDK r9d -# Requires cmake 2.6.3 or newer (2.8.5 or newer is recommended). -# See home page: http://code.google.com/p/android-cmake/ +# Copyright (c) 2010-2011, Ethan Rublee +# Copyright (c) 2011-2014, Andrey Kamaev +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. # -# The file was forked from the OpenCV project. This version is maintained by -# the SFML project and can be found at http://github.com/LaurentGomila/SFML -# (cmake/toolchains/android.toolchain.cmake). It brings support for the -# latest NDK versions. +# 2. Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# 3. Neither the name of the copyright holder nor the names of its +# contributors may be used to endorse or promote products derived from this +# software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. + +# ------------------------------------------------------------------------------ +# Android CMake toolchain file, for use with the Android NDK r5-r10d +# Requires cmake 2.6.3 or newer (2.8.9 or newer is recommended). +# See home page: https://github.com/taka-no-me/android-cmake # # Usage Linux: # $ export ANDROID_NDK=/absolute/path/to/the/android-ndk @@ -14,15 +39,9 @@ # $ cmake -DCMAKE_TOOLCHAIN_FILE=path/to/the/android.toolchain.cmake .. # $ make -j8 # -# Usage Linux (using standalone toolchain): -# $ 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. -# Android NDK r7 (or newer) already has make.exe on board. +# Android NDK r7 (and newer) already has make.exe on board. # For older NDK you have to install it separately. # For example, this one: http://gnuwin32.sourceforge.net/packages/make.htm # @@ -31,58 +50,116 @@ # $ cmake.exe -G"MinGW Makefiles" # -DCMAKE_TOOLCHAIN_FILE=path\to\the\android.toolchain.cmake # -DCMAKE_MAKE_PROGRAM="%ANDROID_NDK%\prebuilt\windows\bin\make.exe" .. -# $ "%ANDROID_NDK%\prebuilt\windows\bin\make.exe" +# $ cmake.exe --build . # # # Options (can be set as cmake parameters: -D<option_name>=<value>): # ANDROID_NDK=/opt/android-ndk - path to the NDK root. # Can be set as environment variable. Can be set only at first cmake run. # -# ANDROID_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 +# ANDROID_ABI=armeabi-v7a - specifies the target Application Binary # Interface (ABI). This option nearly matches to the APP_ABI variable # used by ndk-build tool from Android NDK. # # Possible targets are: -# "armeabi" - 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" - ARMv5TE based CPU with software floating point operations +# "armeabi-v7a" - ARMv7 based devices with hardware FPU instructions +# this ABI target is used by default # "armeabi-v7a with NEON" - same as armeabi-v7a, but # sets NEON as floating-point unit # "armeabi-v7a with VFPV3" - same as armeabi-v7a, but -# sets VFPV3 as floating-point unit (has 32 registers instead of 16). -# "armeabi-v6 with VFP" - tuned for ARMv6 processors having VFP. -# "x86" - 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 -# (not testes on real devices) +# sets VFPV3 as floating-point unit (has 32 registers instead of 16) +# "armeabi-v6 with VFP" - tuned for ARMv6 processors having VFP +# "x86" - IA-32 instruction set +# "mips" - MIPS32 instruction set +# +# 64-bit ABIs for NDK r10 and newer: +# "arm64-v8a" - ARMv8 AArch64 instruction set +# "x86_64" - Intel64 instruction set (r1) +# "mips64" - MIPS64 instruction set (r6) # -# ANDROID_NATIVE_API_LEVEL=android-9 - level of Android API compile for. -# Option is read-only when standalone toolchain used. +# ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for. +# Option is read-only when standalone toolchain is used. +# Note: building for "android-L" requires explicit configuration. # -# ANDROID_FORCE_ARM_BUILD=OFF - set true to generate 32-bit ARM instructions -# instead of Thumb-1. Is not available for "x86" (inapplicable) and -# "armeabi-v6 with VFP" (forced) ABIs. +# ANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.9 - the name of compiler +# toolchain to be used. The list of possible values depends on the NDK +# version. For NDK r10c the possible values are: # -# ANDROID_NO_UNDEFINED=ON - set true to show all undefined symbols as linker +# * aarch64-linux-android-4.9 +# * aarch64-linux-android-clang3.4 +# * aarch64-linux-android-clang3.5 +# * arm-linux-androideabi-4.6 +# * arm-linux-androideabi-4.8 +# * arm-linux-androideabi-4.9 (default) +# * arm-linux-androideabi-clang3.4 +# * arm-linux-androideabi-clang3.5 +# * mips64el-linux-android-4.9 +# * mips64el-linux-android-clang3.4 +# * mips64el-linux-android-clang3.5 +# * mipsel-linux-android-4.6 +# * mipsel-linux-android-4.8 +# * mipsel-linux-android-4.9 +# * mipsel-linux-android-clang3.4 +# * mipsel-linux-android-clang3.5 +# * x86-4.6 +# * x86-4.8 +# * x86-4.9 +# * x86-clang3.4 +# * x86-clang3.5 +# * x86_64-4.9 +# * x86_64-clang3.4 +# * x86_64-clang3.5 +# +# ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions +# instead of Thumb. Is not available for "armeabi-v6 with VFP" +# (is forced to be ON) ABI. +# +# ANDROID_NO_UNDEFINED=ON - set ON to show all undefined symbols as linker # errors even if they are not used. # -# ANDROID_SO_UNDEFINED=OFF - set true to allow undefined symbols in shared -# libraries. Automatically turned on for NDK r5x and r6x due to GLESv2 +# ANDROID_SO_UNDEFINED=OFF - set ON to allow undefined symbols in shared +# libraries. Automatically turned for NDK r5x and r6x due to GLESv2 # problems. # -# LIBRARY_OUTPUT_PATH_ROOT=${CMAKE_SOURCE_DIR} - where to output binary -# files. See additional details below. +# ANDROID_STL=gnustl_static - specify the runtime to use. # -# ANDROID_SET_OBSOLETE_VARIABLES=ON - it set, then toolchain defines some -# obsolete variables which were set by previous versions of this file for -# backward compatibility. +# 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. +# c++_static -> Use libc++ as a static library. +# c++_shared -> Use libc++ as a shared library. # +# ANDROID_STL_FORCE_FEATURES=ON - turn rtti and exceptions support based on +# chosen runtime. If disabled, then the user is responsible for settings +# these options. # # What?: # android-cmake toolchain searches for NDK/toolchain in the following order: @@ -96,108 +173,17 @@ # 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. +# 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 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. +# Also ARMEABI or ARMEABI_V7A or X86 or MIPS or ARM64_V8A or X86_64 or MIPS64 +# will be set true, mutually exclusive. NEON option will be set true +# if VFP is set to NEON. # -# Authors: -# Ethan Rublee ethan.ruble@gmail.com -# Andrey Kamaev andrey.kamaev@itseez.com -# -# Contributors: -# Jonathan De Wachter dewachter.jonathan@gmail.com -# -# Change Log: -# - initial version December 2010 -# - modified April 2011 -# [+] added possibility to build with NDK (without standalone toolchain) -# [+] 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 -# [+] 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 -# [~] 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 the first -# cmake pass -# [~] toolchain exits with error if ARM_TARGET is not recognized -# - modified 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 the host system -# [~] fixed path to STL library -# - modified July 2011 -# [~] fixed options caching -# [~] search for all supported NDK versions -# [~] allowed spaces in NDK path -# - modified September 2011 -# [~] updated for NDK r6b -# - modified 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 -# - modified 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 -# - modified February 2012 -# [+] updated for NDK r7b -# [~] fixed cmake try_compile() command -# [~] Fix for missing install_name_tool on OS X -# - modified 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 -# - modified April 2012 -# [+] updated for NDK r7c -# [~] fixed most of problems with compiler/linker flags and caching -# [+] added option ANDROID_FUNCTION_LEVEL_LINKING -# - modified May 2012 -# [+] updated for NDK r8 -# [+] added mips architecture support -# - modified August 2012 -# [+] updated for NDK r8b -# [~] all intermediate files generated by toolchain are moved into CMakeFiles -# [~] libstdc++ and libsupc are removed from explicit link libraries -# - modified September 2013 -# [+] updated for NDK r9 -# [+] support 64-bits toolchains -# - modified March 2014 -# [+] updated for NDK r9d and dropped earlier versions -# [+] replaced stlport with libc++ # ------------------------------------------------------------------------------ cmake_minimum_required( VERSION 2.6.3 ) @@ -207,149 +193,150 @@ if( DEFINED CMAKE_CROSSCOMPILING ) return() endif() -get_property(_CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE) +if( CMAKE_TOOLCHAIN_FILE ) + # touch toolchain variable to suppress "unused variable" warning +endif() + +# inherit settings in recursive loads +get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE ) if( _CMAKE_IN_TRY_COMPILE ) include( "${CMAKE_CURRENT_SOURCE_DIR}/../android.toolchain.config.cmake" OPTIONAL ) endif() # this one is important -set( CMAKE_SYSTEM_NAME Linux ) +if( CMAKE_VERSION VERSION_GREATER "3.0.99" ) + set( CMAKE_SYSTEM_NAME Android ) +else() + set( CMAKE_SYSTEM_NAME Linux ) +endif() + # this one not so much set( CMAKE_SYSTEM_VERSION 1 ) -set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r9d "" ) -if(NOT DEFINED ANDROID_NDK_SEARCH_PATHS) +# rpath makes low sense for Android +set( CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "" ) +set( CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries." ) + +# NDK search paths +set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r10d -r10c -r10b -r10 -r9d -r9c -r9b -r9 -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" ) +if( NOT DEFINED ANDROID_NDK_SEARCH_PATHS ) if( CMAKE_HOST_WIN32 ) file( TO_CMAKE_PATH "$ENV{PROGRAMFILES}" ANDROID_NDK_SEARCH_PATHS ) - set( ANDROID_NDK_SEARCH_PATHS "${ANDROID_NDK_SEARCH_PATHS}/android-ndk" "$ENV{SystemDrive}/NVPACK/android-ndk" ) + set( ANDROID_NDK_SEARCH_PATHS "${ANDROID_NDK_SEARCH_PATHS}" "$ENV{SystemDrive}/NVPACK" ) else() file( TO_CMAKE_PATH "$ENV{HOME}" ANDROID_NDK_SEARCH_PATHS ) - set( ANDROID_NDK_SEARCH_PATHS /opt/android-ndk "${ANDROID_NDK_SEARCH_PATHS}/NVPACK/android-ndk" ) + set( ANDROID_NDK_SEARCH_PATHS /opt "${ANDROID_NDK_SEARCH_PATHS}/NVPACK" ) endif() endif() -if(NOT DEFINED ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH) +if( NOT DEFINED ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH ) set( ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH /opt/android-toolchain ) endif() -set( ANDROID_SUPPORTED_ABIS_arm "armeabi;armeabi-v7a;armeabi-v7a with NEON;armeabi-v7a with VFPV3;armeabi-v6 with VFP" ) +# known ABIs +set( ANDROID_SUPPORTED_ABIS_arm "armeabi-v7a;armeabi;armeabi-v7a with NEON;armeabi-v7a with VFPV3;armeabi-v6 with VFP" ) +set( ANDROID_SUPPORTED_ABIS_arm64 "arm64-v8a" ) set( ANDROID_SUPPORTED_ABIS_x86 "x86" ) -set( ANDROID_SUPPORTED_ABIS_mipsel "mips" ) +set( ANDROID_SUPPORTED_ABIS_x86_64 "x86_64" ) +set( ANDROID_SUPPORTED_ABIS_mips "mips" ) +set( ANDROID_SUPPORTED_ABIS_mips64 "mips64" ) -set( ANDROID_DEFAULT_NDK_API_LEVEL 9 ) +# API level defaults +set( ANDROID_DEFAULT_NDK_API_LEVEL 8 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_arm64 21 ) set( ANDROID_DEFAULT_NDK_API_LEVEL_x86 9 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_x86_64 21 ) set( ANDROID_DEFAULT_NDK_API_LEVEL_mips 9 ) +set( ANDROID_DEFAULT_NDK_API_LEVEL_mips64 21 ) macro( __LIST_FILTER listvar regex ) - if( ${listvar} ) - foreach( __val ${${listvar}} ) - if( __val MATCHES "${regex}" ) - list( REMOVE_ITEM ${listvar} "${__val}" ) - endif() - endforeach() - endif() + if( ${listvar} ) + foreach( __val ${${listvar}} ) + if( __val MATCHES "${regex}" ) + list( REMOVE_ITEM ${listvar} "${__val}" ) + endif() + endforeach() + endif() endmacro() macro( __INIT_VARIABLE var_name ) - set( __test_path 0 ) - foreach( __var ${ARGN} ) - if( __var STREQUAL "PATH" ) - set( __test_path 1 ) - break() - endif() - endforeach() - if( __test_path AND NOT EXISTS "${${var_name}}" ) - unset( ${var_name} CACHE ) - endif() - if( "${${var_name}}" STREQUAL "" ) - set( __values 0 ) + set( __test_path 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}" ) - set( ${var_name} "${__value}" ) - if( __obsolete ) - 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 ) - message( WARNING "Using value of obsolete variable ${__var} as initial value for ${var_name}. Please note, that ${__var} can be completely removed in future versions of the toolchain." ) - endif() + if( __var STREQUAL "PATH" ) + set( __test_path 1 ) break() - endif() endif() - endif() endforeach() - unset( __value ) - unset( __values ) - unset( __obsolete ) - endif() - unset( __test_path ) + + if( __test_path AND NOT EXISTS "${${var_name}}" ) + unset( ${var_name} CACHE ) + endif() + + if( " ${${var_name}}" STREQUAL " " ) + set( __values 0 ) + foreach( __var ${ARGN} ) + if( __var STREQUAL "VALUES" ) + set( __values 1 ) + elseif( NOT __var STREQUAL "PATH" ) + if( __var MATCHES "^ENV_.*$" ) + string( REPLACE "ENV_" "" __var "${__var}" ) + set( __value "$ENV{${__var}}" ) + elseif( DEFINED ${__var} ) + set( __value "${${__var}}" ) + elseif( __values ) + set( __value "${__var}" ) + else() + set( __value "" ) + endif() + + if( NOT " ${__value}" STREQUAL " " AND (NOT __test_path OR EXISTS "${__value}") ) + set( ${var_name} "${__value}" ) + break() + endif() + endif() + endforeach() + unset( __value ) + unset( __values ) + endif() + + if( __test_path ) + file( TO_CMAKE_PATH "${${var_name}}" ${var_name} ) + endif() + unset( __test_path ) endmacro() macro( __DETECT_NATIVE_API_LEVEL _var _path ) - SET( __ndkApiLevelRegex "^[\t ]*#define[\t ]+__ANDROID_API__[\t ]+([0-9]+)[\t ]*$" ) - FILE( STRINGS ${_path} __apiFileContent REGEX "${__ndkApiLevelRegex}" ) - if( NOT __apiFileContent ) - message( SEND_ERROR "Could not get Android native API level. Probably you have specified invalid level value, or your copy of NDK/toolchain is broken." ) - endif() - string( REGEX REPLACE "${__ndkApiLevelRegex}" "\\1" ${_var} "${__apiFileContent}" ) - unset( __apiFileContent ) - unset( __ndkApiLevelRegex ) + 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 ) - file( GLOB __gccExePath "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" ) - __LIST_FILTER( __gccExePath "bin/[.].*-gcc${TOOL_OS_SUFFIX}$" ) - list( LENGTH __gccExePath __gccExePathsCount ) - if( NOT __gccExePathsCount EQUAL 1 ) - message( WARNING "Could not uniquely 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 ) -endmacro() - -macro( __COPY_IF_DIFFERENT _source _destination ) - execute_process( COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${_source}" "${_destination}" RESULT_VARIABLE __fileCopyProcess ) - if( NOT __fileCopyProcess EQUAL 0 OR NOT EXISTS "${_destination}") - message( SEND_ERROR "Failed copying of ${_source} to the ${_destination}" ) - endif() - unset( __fileCopyProcess ) + if( EXISTS "${_root}" ) + file( GLOB __gccExePath RELATIVE "${_root}/bin/" "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" ) + __LIST_FILTER( __gccExePath "^[.].*" ) + list( LENGTH __gccExePath __gccExePathsCount ) + if( NOT __gccExePathsCount EQUAL 1 AND NOT _CMAKE_IN_TRY_COMPILE ) + message( WARNING "Could not determine machine name for compiler from ${_root}" ) + set( ${_var} "" ) + else() + get_filename_component( __gccExeName "${__gccExePath}" NAME_WE ) + string( REPLACE "-gcc" "" ${_var} "${__gccExeName}" ) + endif() + unset( __gccExePath ) + unset( __gccExePathsCount ) + unset( __gccExeName ) + else() + set( ${_var} "" ) + endif() endmacro() -# stl version: by default gnustl_static will be used -set( ANDROID_USE_STLPORT TRUE CACHE BOOL "Experimental: use stlport_static instead of gnustl_static") -mark_as_advanced( ANDROID_USE_STLPORT ) - # 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 ) @@ -367,18 +354,46 @@ if( ANDROID_FORBID_SYGWIN ) endif() endif() + +# detect current host platform +if( NOT DEFINED ANDROID_NDK_HOST_X64 AND (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64" OR CMAKE_HOST_APPLE) ) + set( ANDROID_NDK_HOST_X64 1 CACHE BOOL "Try to use 64-bit compiler toolchain" ) + mark_as_advanced( ANDROID_NDK_HOST_X64 ) +endif() + +set( TOOL_OS_SUFFIX "" ) +if( CMAKE_HOST_APPLE ) + set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86_64" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME2 "darwin-x86" ) +elseif( CMAKE_HOST_WIN32 ) + set( ANDROID_NDK_HOST_SYSTEM_NAME "windows-x86_64" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME2 "windows" ) + set( TOOL_OS_SUFFIX ".exe" ) +elseif( CMAKE_HOST_UNIX ) + set( ANDROID_NDK_HOST_SYSTEM_NAME "linux-x86_64" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME2 "linux-x86" ) +else() + message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" ) +endif() + +if( NOT ANDROID_NDK_HOST_X64 ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) +endif() + # see if we have path to Android NDK -__INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK ) +if( NOT ANDROID_NDK AND NOT ANDROID_STANDALONE_TOOLCHAIN ) + __INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK ) +endif() if( NOT ANDROID_NDK ) # see if we have path to Android standalone toolchain - __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN OBSOLETE_ANDROID_NDK_TOOLCHAIN_ROOT OBSOLETE_ENV_ANDROID_NDK_TOOLCHAIN_ROOT ) + __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN ) if( NOT ANDROID_STANDALONE_TOOLCHAIN ) #try to find Android NDK in one of the the default locations set( __ndkSearchPaths ) foreach( __ndkSearchPath ${ANDROID_NDK_SEARCH_PATHS} ) foreach( suffix ${ANDROID_SUPPORTED_NDK_VERSIONS} ) - list( APPEND __ndkSearchPaths "${__ndkSearchPath}${suffix}" ) + list( APPEND __ndkSearchPaths "${__ndkSearchPath}/android-ndk${suffix}" ) endforeach() endforeach() __INIT_VARIABLE( ANDROID_NDK PATH VALUES ${__ndkSearchPaths} ) @@ -402,18 +417,18 @@ endif( NOT ANDROID_NDK ) # remember found paths if( ANDROID_NDK ) get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE ) - # try to detect change - if( CMAKE_AR ) - string( LENGTH "${ANDROID_NDK}" __length ) - string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) - if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK ) - message( FATAL_ERROR "It is not possible to change path to the NDK on subsequent run." ) - endif() - unset( __androidNdkPreviousPath ) - unset( __length ) - endif() - set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" ) + set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE ) set( BUILD_WITH_ANDROID_NDK True ) + if( EXISTS "${ANDROID_NDK}/RELEASE.TXT" ) + file( STRINGS "${ANDROID_NDK}/RELEASE.TXT" ANDROID_NDK_RELEASE_FULL LIMIT_COUNT 1 REGEX "r[0-9]+[a-z]?" ) + string( REGEX MATCH "r([0-9]+)([a-z]?)" ANDROID_NDK_RELEASE "${ANDROID_NDK_RELEASE_FULL}" ) + else() + set( ANDROID_NDK_RELEASE "r1x" ) + set( ANDROID_NDK_RELEASE_FULL "unreleased" ) + endif() + string( REGEX REPLACE "r([0-9]+)([a-z]?)" "\\1*1000" ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE}" ) + string( FIND " abcdefghijklmnopqastuvwxyz" "${CMAKE_MATCH_2}" __ndkReleaseLetterNum ) + math( EXPR ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE_NUM}+${__ndkReleaseLetterNum}" ) elseif( ANDROID_STANDALONE_TOOLCHAIN ) get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE ) # try to detect change @@ -426,46 +441,65 @@ elseif( ANDROID_STANDALONE_TOOLCHAIN ) unset( __androidStandaloneToolchainPreviousPath ) unset( __length ) endif() - set( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" CACHE INTERNAL "Path of the Android standalone toolchain" ) + 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 toolcahin. + message( FATAL_ERROR "Could not find neither Android NDK nor Android standalone toolchain. You should either set an environment variable: export ANDROID_NDK=~/my-android-ndk or export ANDROID_STANDALONE_TOOLCHAIN=~/my-android-toolchain or put the toolchain or NDK in the default path: - sudo ln -s ~/my-android-ndk ${ANDROID_NDK_SEARCH_PATH} + sudo ln -s ~/my-android-ndk ${ANDROID_NDK_SEARCH_PATH}/android-ndk sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" ) endif() -# detect current host platform -set( ANDROID_NDK_HOST_SYSTEM_ARCH "x86" ) -set( TOOL_OS_SUFFIX "" ) -if( CMAKE_HOST_APPLE ) - set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86" ) - if(NOT EXISTS "${ANDROID_NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}") - set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86_64" ) - set( ANDROID_NDK_HOST_SYSTEM_ARCH "x64" ) +# android NDK layout +if( BUILD_WITH_ANDROID_NDK ) + if( NOT DEFINED ANDROID_NDK_LAYOUT ) + # try to automatically detect the layout + if( EXISTS "${ANDROID_NDK}/RELEASE.TXT") + set( ANDROID_NDK_LAYOUT "RELEASE" ) + elseif( EXISTS "${ANDROID_NDK}/../../linux-x86/toolchain/" ) + set( ANDROID_NDK_LAYOUT "LINARO" ) + elseif( EXISTS "${ANDROID_NDK}/../../gcc/" ) + set( ANDROID_NDK_LAYOUT "ANDROID" ) + endif() endif() -elseif( CMAKE_HOST_WIN32 ) - set( ANDROID_NDK_HOST_SYSTEM_NAME "windows" ) - set( TOOL_OS_SUFFIX ".exe" ) - if(NOT EXISTS "${ANDROID_NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}") - set( ANDROID_NDK_HOST_SYSTEM_NAME "windows-x86_64" ) - set( ANDROID_NDK_HOST_SYSTEM_ARCH "x64" ) + set( ANDROID_NDK_LAYOUT "${ANDROID_NDK_LAYOUT}" CACHE STRING "The inner layout of NDK" ) + mark_as_advanced( ANDROID_NDK_LAYOUT ) + if( ANDROID_NDK_LAYOUT STREQUAL "LINARO" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + elseif( ANDROID_NDK_LAYOUT STREQUAL "ANDROID" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../gcc/${ANDROID_NDK_HOST_SYSTEM_NAME}/arm" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE" + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" ) endif() -elseif( CMAKE_HOST_UNIX ) - set( ANDROID_NDK_HOST_SYSTEM_NAME "linux-x86" ) - if(NOT EXISTS "${ANDROID_NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}") - set( ANDROID_NDK_HOST_SYSTEM_NAME "linux-x86_64" ) - set( ANDROID_NDK_HOST_SYSTEM_ARCH "x64" ) + get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE ) + + # try to detect change of NDK + if( CMAKE_AR ) + string( LENGTH "${ANDROID_NDK_TOOLCHAINS_PATH}" __length ) + string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) + if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK_TOOLCHAINS_PATH ) + message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first. + " ) + endif() + unset( __androidNdkPreviousPath ) + unset( __length ) endif() -else() - message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" ) endif() + # get all the details about standalone toolchain if( BUILD_WITH_STANDALONE_TOOLCHAIN ) __DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" ) @@ -475,66 +509,131 @@ if( BUILD_WITH_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 ) + if( __availableToolchainMachines MATCHES x86_64 ) + set( __availableToolchainArchs "x86_64" ) + elseif( __availableToolchainMachines MATCHES i686 ) set( __availableToolchainArchs "x86" ) + elseif( __availableToolchainMachines MATCHES aarch64 ) + set( __availableToolchainArchs "arm64" ) elseif( __availableToolchainMachines MATCHES arm ) set( __availableToolchainArchs "arm" ) + elseif( __availableToolchainMachines MATCHES mips64el ) + set( __availableToolchainArchs "mips64" ) elseif( __availableToolchainMachines MATCHES mipsel ) - set( __availableToolchainArchs "mipsel" ) + set( __availableToolchainArchs "mips" ) endif() - if( ANDROID_COMPILER_VERSION ) - # do not run gcc every time because it is relatevely expencive - set( __availableToolchainCompilerVersions "${ANDROID_COMPILER_VERSION}" ) - else() - execute_process( COMMAND "${ANDROID_STANDALONE_TOOLCHAIN}/bin/${__availableToolchainMachines}-gcc${TOOL_OS_SUFFIX}" --version - OUTPUT_VARIABLE __availableToolchainCompilerVersions OUTPUT_STRIP_TRAILING_WHITESPACE ) - string( REGEX MATCH "[0-9]+.[0-9]+.[0-9]+" __availableToolchainCompilerVersions "${__availableToolchainCompilerVersions}" ) + execute_process( COMMAND "${ANDROID_STANDALONE_TOOLCHAIN}/bin/${__availableToolchainMachines}-gcc${TOOL_OS_SUFFIX}" -dumpversion + OUTPUT_VARIABLE __availableToolchainCompilerVersions OUTPUT_STRIP_TRAILING_WHITESPACE ) + string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9]+)?" __availableToolchainCompilerVersions "${__availableToolchainCompilerVersions}" ) + if( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/bin/clang${TOOL_OS_SUFFIX}" ) + list( APPEND __availableToolchains "standalone-clang" ) + list( APPEND __availableToolchainMachines ${__availableToolchainMachines} ) + list( APPEND __availableToolchainArchs ${__availableToolchainArchs} ) + list( APPEND __availableToolchainCompilerVersions ${__availableToolchainCompilerVersions} ) endif() endif() +macro( __GLOB_NDK_TOOLCHAINS __availableToolchainsVar __availableToolchainsLst __toolchain_subpath ) + foreach( __toolchain ${${__availableToolchainsLst}} ) + if( "${__toolchain}" MATCHES "-clang3[.][0-9]$" AND NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}${__toolchain_subpath}" ) + SET( __toolchainVersionRegex "^TOOLCHAIN_VERSION[\t ]+:=[\t ]+(.*)$" ) + FILE( STRINGS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}/setup.mk" __toolchainVersionStr REGEX "${__toolchainVersionRegex}" ) + if( __toolchainVersionStr ) + string( REGEX REPLACE "${__toolchainVersionRegex}" "\\1" __toolchainVersionStr "${__toolchainVersionStr}" ) + string( REGEX REPLACE "-clang3[.][0-9]$" "-${__toolchainVersionStr}" __gcc_toolchain "${__toolchain}" ) + else() + string( REGEX REPLACE "-clang3[.][0-9]$" "-4.6" __gcc_toolchain "${__toolchain}" ) + endif() + unset( __toolchainVersionStr ) + unset( __toolchainVersionRegex ) + else() + set( __gcc_toolchain "${__toolchain}" ) + endif() + __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK_TOOLCHAINS_PATH}/${__gcc_toolchain}${__toolchain_subpath}" ) + if( __machine ) + string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9x]+)?$" __version "${__gcc_toolchain}" ) + if( __machine MATCHES x86_64 ) + set( __arch "x86_64" ) + elseif( __machine MATCHES i686 ) + set( __arch "x86" ) + elseif( __machine MATCHES aarch64 ) + set( __arch "arm64" ) + elseif( __machine MATCHES arm ) + set( __arch "arm" ) + elseif( __machine MATCHES mips64el ) + set( __arch "mips64" ) + elseif( __machine MATCHES mipsel ) + set( __arch "mips" ) + else() + set( __arch "" ) + endif() + #message("machine: !${__machine}!\narch: !${__arch}!\nversion: !${__version}!\ntoolchain: !${__toolchain}!\n") + if (__arch) + list( APPEND __availableToolchainMachines "${__machine}" ) + list( APPEND __availableToolchainArchs "${__arch}" ) + list( APPEND __availableToolchainCompilerVersions "${__version}" ) + list( APPEND ${__availableToolchainsVar} "${__toolchain}" ) + endif() + endif() + unset( __gcc_toolchain ) + endforeach() +endmacro() + # get all the details about NDK if( BUILD_WITH_ANDROID_NDK ) file( GLOB ANDROID_SUPPORTED_NATIVE_API_LEVELS RELATIVE "${ANDROID_NDK}/platforms" "${ANDROID_NDK}/platforms/android-*" ) string( REPLACE "android-" "" ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_SUPPORTED_NATIVE_API_LEVELS}" ) - file( GLOB __availableToolchains RELATIVE "${ANDROID_NDK}/toolchains" "${ANDROID_NDK}/toolchains/*" ) - __LIST_FILTER( __availableToolchains "^[.]" ) + set( __availableToolchains "" ) set( __availableToolchainMachines "" ) set( __availableToolchainArchs "" ) set( __availableToolchainCompilerVersions "" ) - foreach( __toolchain ${__availableToolchains} ) - __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK}/toolchains/${__toolchain}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) - if( __machine ) - string( REGEX MATCH "[0-9]+[.][0-9]+[.]*[0-9]*$" __version "${__toolchain}" ) - string( REGEX MATCH "^[^-]+" __arch "${__toolchain}" ) - list( APPEND __availableToolchainMachines "${__machine}" ) - list( APPEND __availableToolchainArchs "${__arch}" ) - list( APPEND __availableToolchainCompilerVersions "${__version}" ) - else() - list( REMOVE_ITEM __availableToolchains "${__toolchain}" ) + if( ANDROID_TOOLCHAIN_NAME AND EXISTS "${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 ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) + endif() endif() - endforeach() + endif() + if( NOT __availableToolchains ) + file( GLOB __availableToolchainsLst RELATIVE "${ANDROID_NDK_TOOLCHAINS_PATH}" "${ANDROID_NDK_TOOLCHAINS_PATH}/*" ) + if( __availableToolchains ) + list(SORT __availableToolchainsLst) # we need clang to go after gcc + endif() + __LIST_FILTER( __availableToolchainsLst "^[.]" ) + __LIST_FILTER( __availableToolchainsLst "llvm" ) + __LIST_FILTER( __availableToolchainsLst "renderscript" ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) + if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" ) + if( __availableToolchains ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) + endif() + endif() + endif() if( NOT __availableToolchains ) - message( FATAL_ERROR "Could not any working toolchain in the NDK. Probably your Android NDK is broken." ) + 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 ) - 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() + 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} ) +__INIT_VARIABLE( ANDROID_ABI VALUES ${ANDROID_SUPPORTED_ABIS} ) # verify that target ABI is supported list( FIND ANDROID_SUPPORTED_ABIS "${ANDROID_ABI}" __androidAbiIdx ) if( __androidAbiIdx EQUAL -1 ) @@ -545,33 +644,51 @@ if( __androidAbiIdx EQUAL -1 ) endif() unset( __androidAbiIdx ) -# 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 ) - # 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 "x86_64" ) + set( X86 true ) + set( X86_64 true ) + set( ANDROID_NDK_ABI_NAME "x86_64" ) + set( ANDROID_ARCH_NAME "x86_64" ) + set( CMAKE_SYSTEM_PROCESSOR "x86_64" ) + set( ANDROID_LLVM_TRIPLE "x86_64-none-linux-android" ) +elseif( ANDROID_ABI STREQUAL "mips64" ) + set( MIPS64 true ) + set( ANDROID_NDK_ABI_NAME "mips64" ) + set( ANDROID_ARCH_NAME "mips64" ) + set( ANDROID_LLVM_TRIPLE "mips64el-none-linux-android" ) + set( CMAKE_SYSTEM_PROCESSOR "mips64" ) elseif( ANDROID_ABI STREQUAL "mips" ) set( MIPS true ) set( ANDROID_NDK_ABI_NAME "mips" ) set( ANDROID_ARCH_NAME "mips" ) - set( ANDROID_ARCH_FULLNAME "mipsel" ) + set( ANDROID_LLVM_TRIPLE "mipsel-none-linux-android" ) set( CMAKE_SYSTEM_PROCESSOR "mips" ) +elseif( ANDROID_ABI STREQUAL "arm64-v8a" ) + set( ARM64_V8A true ) + set( ANDROID_NDK_ABI_NAME "arm64-v8a" ) + set( ANDROID_ARCH_NAME "arm64" ) + set( ANDROID_LLVM_TRIPLE "aarch64-none-linux-android" ) + set( CMAKE_SYSTEM_PROCESSOR "aarch64" ) + set( VFPV3 true ) + set( NEON true ) elseif( ANDROID_ABI STREQUAL "armeabi" ) set( ARMEABI true ) set( ANDROID_NDK_ABI_NAME "armeabi" ) set( ANDROID_ARCH_NAME "arm" ) - set( ANDROID_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 ) @@ -579,20 +696,20 @@ 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 ) @@ -606,14 +723,8 @@ if( CMAKE_BINARY_DIR AND EXISTS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMa file( APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" "SET(CMAKE_SYSTEM_PROCESSOR \"${CMAKE_SYSTEM_PROCESSOR}\")\n" ) endif() -set( ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME}} CACHE INTERNAL "ANDROID_ABI can be changed only to one of these ABIs. Changing to any other ABI requires to reset cmake cache." ) -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() - if( ANDROID_ARCH_NAME STREQUAL "arm" AND NOT ARMEABI_V6 ) - __INIT_VARIABLE( ANDROID_FORCE_ARM_BUILD OBSOLETE_FORCE_ARM VALUES OFF ) + __INIT_VARIABLE( ANDROID_FORCE_ARM_BUILD VALUES OFF ) set( ANDROID_FORCE_ARM_BUILD ${ANDROID_FORCE_ARM_BUILD} CACHE BOOL "Use 32-bit ARM instructions instead of Thumb-1" FORCE ) mark_as_advanced( ANDROID_FORCE_ARM_BUILD ) else() @@ -624,11 +735,15 @@ endif() if( ANDROID_TOOLCHAIN_NAME ) list( FIND __availableToolchains "${ANDROID_TOOLCHAIN_NAME}" __toolchainIdx ) if( __toolchainIdx EQUAL -1 ) - message( FATAL_ERROR "Previously selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is missing. You need to remove CMakeCache.txt and rerun cmake manually to change the toolchain" ) + list( SORT __availableToolchains ) + string( REPLACE ";" "\n * " toolchains_list "${__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 ${__toolchainIdx} __toolchainArch ) - if( NOT __toolchainArch STREQUAL ANDROID_ARCH_FULLNAME ) - message( SEND_ERROR "Previously selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is not able to compile binaries for the \"${ANDROID_ARCH_NAME}\" platform." ) + if( NOT __toolchainArch STREQUAL ANDROID_ARCH_NAME ) + message( SEND_ERROR "Selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is not able to compile binaries for the \"${ANDROID_ARCH_NAME}\" platform." ) endif() else() set( __toolchainIdx -1 ) @@ -638,8 +753,9 @@ else() math( EXPR __availableToolchainsCount "${__availableToolchainsCount}-1" ) foreach( __idx RANGE ${__availableToolchainsCount} ) list( GET __availableToolchainArchs ${__idx} __toolchainArch ) - if( __toolchainArch STREQUAL ANDROID_ARCH_FULLNAME ) + if( __toolchainArch STREQUAL ANDROID_ARCH_NAME ) list( GET __availableToolchainCompilerVersions ${__idx} __toolchainVersion ) + string( REPLACE "x" "99" __toolchainVersion "${__toolchainVersion}") if( __toolchainVersion VERSION_GREATER __toolchainMaxVersion ) set( __toolchainMaxVersion "${__toolchainVersion}" ) set( __toolchainIdx ${__idx} ) @@ -657,8 +773,7 @@ endif() list( GET __availableToolchains ${__toolchainIdx} ANDROID_TOOLCHAIN_NAME ) list( GET __availableToolchainMachines ${__toolchainIdx} ANDROID_TOOLCHAIN_MACHINE_NAME ) list( GET __availableToolchainCompilerVersions ${__toolchainIdx} ANDROID_COMPILER_VERSION ) -set( ANDROID_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" CACHE INTERNAL "Name of toolchain used" ) -set( ANDROID_COMPILER_VERSION "${ANDROID_COMPILER_VERSION}" CACHE INTERNAL "compiler version from selected toolchain" ) + unset( __toolchainIdx ) unset( __availableToolchains ) unset( __availableToolchainMachines ) @@ -667,203 +782,486 @@ unset( __availableToolchainCompilerVersions ) # choose native API level __INIT_VARIABLE( ANDROID_NATIVE_API_LEVEL ENV_ANDROID_NATIVE_API_LEVEL ANDROID_API_LEVEL ENV_ANDROID_API_LEVEL ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME} ANDROID_DEFAULT_NDK_API_LEVEL ) -string( REGEX MATCH "[0-9]+" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" ) +string( REPLACE "android-" "" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" ) +string( STRIP "${ANDROID_NATIVE_API_LEVEL}" ANDROID_NATIVE_API_LEVEL ) +# adjust API level +set( __real_api_level ${ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME}} ) +foreach( __level ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) + if( (__level LESS ANDROID_NATIVE_API_LEVEL OR __level STREQUAL ANDROID_NATIVE_API_LEVEL) AND NOT __level LESS __real_api_level ) + set( __real_api_level ${__level} ) + endif() +endforeach() +if( __real_api_level AND NOT ANDROID_NATIVE_API_LEVEL STREQUAL __real_api_level ) + message( STATUS "Adjusting Android API level 'android-${ANDROID_NATIVE_API_LEVEL}' to 'android-${__real_api_level}'") + set( ANDROID_NATIVE_API_LEVEL ${__real_api_level} ) +endif() +unset(__real_api_level) # validate list( FIND ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_NATIVE_API_LEVEL}" __levelIdx ) if( __levelIdx EQUAL -1 ) - message( SEND_ERROR "Specified Android native API level (${ANDROID_NATIVE_API_LEVEL}) is not supported by your NDK/toolchain." ) + message( SEND_ERROR "Specified Android native API level 'android-${ANDROID_NATIVE_API_LEVEL}' is not supported by your NDK/toolchain." ) +else() + if( BUILD_WITH_ANDROID_NDK ) + __DETECT_NATIVE_API_LEVEL( __realApiLevel "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}/usr/include/android/api-level.h" ) + if( NOT __realApiLevel EQUAL ANDROID_NATIVE_API_LEVEL AND NOT __realApiLevel GREATER 9000 ) + message( SEND_ERROR "Specified Android API level (${ANDROID_NATIVE_API_LEVEL}) does not match to the level found (${__realApiLevel}). Probably your copy of NDK is broken." ) + endif() + unset( __realApiLevel ) + endif() + set( ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" CACHE STRING "Android API level for native code" FORCE ) + set( CMAKE_ANDROID_API ${ANDROID_NATIVE_API_LEVEL} ) + if( CMAKE_VERSION VERSION_GREATER "2.8" ) + list( SORT ANDROID_SUPPORTED_NATIVE_API_LEVELS ) + set_property( CACHE ANDROID_NATIVE_API_LEVEL PROPERTY STRINGS ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) + endif() endif() unset( __levelIdx ) + + +# remember target ABI +set( ANDROID_ABI "${ANDROID_ABI}" CACHE STRING "The target ABI for Android. If arm, then armeabi-v7a is recommended for hardware floating point." FORCE ) +if( CMAKE_VERSION VERSION_GREATER "2.8" ) + list( SORT ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME} ) + set_property( CACHE ANDROID_ABI PROPERTY STRINGS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME}} ) +endif() + + +# runtime choice (STL, rtti, exceptions) +if( NOT ANDROID_STL ) + set( ANDROID_STL gnustl_static ) +endif() +set( ANDROID_STL "${ANDROID_STL}" CACHE STRING "C++ runtime" ) +set( ANDROID_STL_FORCE_FEATURES ON CACHE BOOL "automatically configure rtti and exceptions support based on C++ runtime" ) +mark_as_advanced( ANDROID_STL ANDROID_STL_FORCE_FEATURES ) + if( BUILD_WITH_ANDROID_NDK ) - __DETECT_NATIVE_API_LEVEL( __realApiLevel "${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." ) + if( NOT "${ANDROID_STL}" MATCHES "^(none|system|system_re|gabi\\+\\+_static|gabi\\+\\+_shared|stlport_static|stlport_shared|gnustl_static|gnustl_shared|c\\+\\+_static|c\\+\\+_shared)$") + message( FATAL_ERROR "ANDROID_STL is set to invalid value \"${ANDROID_STL}\". +The possible values are: + none -> Do not configure the runtime. + system -> Use the default minimal system C++ runtime library. + system_re -> Same as system but with rtti and exceptions. + gabi++_static -> Use the GAbi++ runtime as a static library. + gabi++_shared -> Use the GAbi++ runtime as a shared library. + stlport_static -> Use the STLport runtime as a static library. + stlport_shared -> Use the STLport runtime as a shared library. + gnustl_static -> (default) Use the GNU STL as a static library. + gnustl_shared -> Use the GNU STL as a shared library. + c++_static -> Use libc++ as a static library. + c++_shared -> Use libc++ as a shared library. +" ) + endif() +elseif( BUILD_WITH_STANDALONE_TOOLCHAIN ) + if( NOT "${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() - 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 ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) + +unset( ANDROID_RTTI ) +unset( ANDROID_EXCEPTIONS ) +unset( ANDROID_STL_INCLUDE_DIRS ) +unset( __libstl ) +unset( __libsupcxx ) + +if( NOT _CMAKE_IN_TRY_COMPILE AND ANDROID_NDK_RELEASE STREQUAL "r7b" AND ARMEABI_V7A AND NOT VFPV3 AND ANDROID_STL MATCHES "gnustl" ) + message( WARNING "The GNU STL armeabi-v7a binaries from NDK r7b can crash non-NEON devices. The files provided with NDK r7b were not configured properly, resulting in crashes on Tegra2-based devices and others when trying to use certain floating-point functions (e.g., cosf, sinf, expf). +You are strongly recommended to switch to another NDK release. +" ) endif() -# setup paths +if( NOT _CMAKE_IN_TRY_COMPILE AND X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" ) + message( WARNING "The x86 system header file from NDK r6 has incorrect definition for ptrdiff_t. You are recommended to upgrade to a newer NDK release or manually patch the header: +See https://android.googlesource.com/platform/development.git f907f4f9d4e56ccc8093df6fee54454b8bcab6c2 + diff --git a/ndk/platforms/android-9/arch-x86/include/machine/_types.h b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + index 5e28c64..65892a1 100644 + --- a/ndk/platforms/android-9/arch-x86/include/machine/_types.h + +++ b/ndk/platforms/android-9/arch-x86/include/machine/_types.h + @@ -51,7 +51,11 @@ typedef long int ssize_t; + #endif + #ifndef _PTRDIFF_T + #define _PTRDIFF_T + -typedef long ptrdiff_t; + +# ifdef __ANDROID__ + + typedef int ptrdiff_t; + +# else + + typedef long ptrdiff_t; + +# endif + #endif +" ) +endif() + + +# setup paths and STL for standalone toolchain if( BUILD_WITH_STANDALONE_TOOLCHAIN ) set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" ) + set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" ) set( ANDROID_SYSROOT "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot" ) - set( __stlLibPath "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib" ) -endif() -if( BUILD_WITH_ANDROID_NDK ) - set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) - set( ANDROID_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}" ) - if( ANDROID_USE_STLPORT ) - list( APPEND __stlIncludePath "${ANDROID_NDK}/sources/android/support/include" ) - list( APPEND __stlIncludePath "${ANDROID_NDK}/sources/cxx-stl/llvm-libc++/libcxx/include" ) - set( __stlLibPath "${ANDROID_NDK}/sources/cxx-stl/llvm-libc++/libs/${ANDROID_NDK_ABI_NAME}" ) - else() - if( EXISTS "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) - set( __stlIncludePath "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}/include" ) - set( __stlLibPath "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}/libs/${ANDROID_NDK_ABI_NAME}" ) + + if( NOT ANDROID_STL STREQUAL "none" ) + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/include/c++/${ANDROID_COMPILER_VERSION}" ) + if( NOT EXISTS "${ANDROID_STL_INCLUDE_DIRS}" ) + # old location ( pre r8c ) + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}" ) + endif() + if( ARMEABI_V7A AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/bits" ) + list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}" ) + elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb/bits" ) + list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb" ) else() - set( __stlIncludePath "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/include" ) - set( __stlLibPath "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}" ) + list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" ) + endif() + # always search static GNU STL to get the location of libsupc++.a + if( ARMEABI_V7A AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libstdc++.a" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb" ) + elseif( ARMEABI_V7A AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libstdc++.a" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}" ) + elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libstdc++.a" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb" ) + elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libstdc++.a" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib" ) + endif() + if( __libstl ) + set( __libsupcxx "${__libstl}/libsupc++.a" ) + set( __libstl "${__libstl}/libstdc++.a" ) + endif() + if( NOT EXISTS "${__libsupcxx}" ) + message( FATAL_ERROR "The required libstdsupc++.a is missing in your standalone toolchain. + Usually it happens because of bug in make-standalone-toolchain.sh script from NDK r7, r7b and r7c. + You need to either upgrade to newer NDK or manually copy + $ANDROID_NDK/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a + to + ${__libsupcxx} + " ) + endif() + if( ANDROID_STL STREQUAL "gnustl_shared" ) + if( ARMEABI_V7A AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" ) + elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" ) + elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" ) + set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" ) + endif() endif() endif() endif() -# specify the cross compiler -set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" ) -set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++" ) -set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "Assembler" ) -if( CMAKE_VERSION VERSION_LESS 2.8.5 ) - set( CMAKE_ASM_COMPILER_ARG1 "-c" ) -endif() -# there may be a way to make cmake deduce these TODO deduce the rest of the tools -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${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" ) -set( _CMAKE_TOOLCHAIN_PREFIX "${ANDROID_TOOLCHAIN_MACHINE_NAME}-" ) -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." ) +# clang +if( "${ANDROID_TOOLCHAIN_NAME}" STREQUAL "standalone-clang" ) + set( ANDROID_COMPILER_IS_CLANG 1 ) + execute_process( COMMAND "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/clang${TOOL_OS_SUFFIX}" --version OUTPUT_VARIABLE ANDROID_CLANG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE ) + string( REGEX MATCH "[0-9]+[.][0-9]+" ANDROID_CLANG_VERSION "${ANDROID_CLANG_VERSION}") +elseif( "${ANDROID_TOOLCHAIN_NAME}" MATCHES "-clang3[.][0-9]?$" ) + string( REGEX MATCH "3[.][0-9]$" ANDROID_CLANG_VERSION "${ANDROID_TOOLCHAIN_NAME}") + string( REGEX REPLACE "-clang${ANDROID_CLANG_VERSION}$" "-${ANDROID_COMPILER_VERSION}" ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" ) + if( NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}/bin/clang${TOOL_OS_SUFFIX}" ) + message( FATAL_ERROR "Could not find the Clang compiler driver" ) endif() - mark_as_advanced( CMAKE_INSTALL_NAME_TOOL ) + 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() -# export directories -set( ANDROID_SYSTEM_INCLUDE_DIRS "" ) -set( ANDROID_SYSTEM_LIB_DIRS "" ) +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 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" ) +# setup paths and STL for NDK +if( BUILD_WITH_ANDROID_NDK ) + set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) + set( ANDROID_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}" ) -if(NOT _CMAKE_IN_TRY_COMPILE) - if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" ) - set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for applications" ) + if( ANDROID_STL STREQUAL "none" ) + # do nothing + elseif( ANDROID_STL STREQUAL "system" ) + set( ANDROID_RTTI OFF ) + set( ANDROID_EXCEPTIONS OFF ) + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" ) + elseif( ANDROID_STL STREQUAL "system_re" ) + set( ANDROID_RTTI ON ) + set( ANDROID_EXCEPTIONS ON ) + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" ) + elseif( ANDROID_STL MATCHES "gabi" ) + if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + message( FATAL_ERROR "gabi++ is not awailable in your NDK. You have to upgrade to NDK r7 or newer to use gabi++.") + endif() + set( ANDROID_RTTI ON ) + set( ANDROID_EXCEPTIONS OFF ) + set( ANDROID_STL_INCLUDE_DIRS "${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_NUM LESS 8004 ) # before r8d + set( ANDROID_EXCEPTIONS ON ) + else() + set( ANDROID_EXCEPTIONS OFF ) + endif() + if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + set( ANDROID_RTTI OFF ) + else() + set( ANDROID_RTTI ON ) + endif() + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/stlport/stlport" ) + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/stlport/libs/${ANDROID_NDK_ABI_NAME}/libstlport_static.a" ) + elseif( ANDROID_STL MATCHES "gnustl" ) + set( ANDROID_EXCEPTIONS ON ) + set( ANDROID_RTTI ON ) + if( EXISTS "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) + if( ARMEABI_V7A AND ANDROID_COMPILER_VERSION VERSION_EQUAL "4.7" AND ANDROID_NDK_RELEASE STREQUAL "r8d" ) + # gnustl binary for 4.7 compiler is buggy :( + # TODO: look for right fix + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/4.6" ) + else() + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" ) + endif() + else() + set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++" ) + endif() + set( ANDROID_STL_INCLUDE_DIRS "${__libstl}/include" "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/include" "${__libstl}/include/backward" ) + if( EXISTS "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" ) + set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" ) + else() + set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libstdc++.a" ) + endif() + elseif( ANDROID_STL MATCHES "c\\+\\+_shared" OR ANDROID_STL MATCHES "c\\+\\+_static" ) + set( ANDROID_EXCEPTIONS ON ) + set( ANDROID_RTTI ON ) + set( ANDROID_CXX_ROOT "${ANDROID_NDK}/sources/cxx-stl/" ) + set( ANDROID_LLVM_ROOT "${ANDROID_CXX_ROOT}/llvm-libc++" ) + if( X86 ) + set( ANDROID_ABI_INCLUDE_DIRS "${ANDROID_CXX_ROOT}/gabi++/include" ) + else() + set( ANDROID_ABI_INCLUDE_DIRS "${ANDROID_CXX_ROOT}/llvm-libc++abi/include" ) + endif() + set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_LLVM_ROOT}/libcxx/include" + "${ANDROID_ABI_INCLUDE_DIRS}" ) + # android support sfiles + include_directories ( SYSTEM ${ANDROID_NDK}/sources/android/support/include ) + if( ANDROID_STL MATCHES "c\\+\\+_shared" AND EXISTS "${ANDROID_LLVM_ROOT}/libs/${ANDROID_NDK_ABI_NAME}/libc++_shared.so" ) + set( __libstl "${ANDROID_LLVM_ROOT}/libs/${ANDROID_NDK_ABI_NAME}/libc++_shared.so" ) + elseif( ANDROID_STL MATCHES "c\\+\\+_static" AND EXISTS "${ANDROID_LLVM_ROOT}/libs/${ANDROID_NDK_ABI_NAME}/libc++_static.a" ) + set( __libstl "${ANDROID_LLVM_ROOT}/libs/${ANDROID_NDK_ABI_NAME}/libc++_static.a" ) + else() + message( "c++ library doesn't exist" ) + endif() else() - set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications" ) + 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 "${__libsupcxx}") + message( ERROR "Could not find libsupc++.a for a chosen platform. Either your NDK is not supported or is broken.") + endif() endif() - set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME}" CACHE PATH "path for android libs" ) endif() -# includes -if( __stlIncludePath ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${__stlIncludePath}" ) -endif() -# c++ bits includes -if( __stlLibPath AND EXISTS "${__stlLibPath}/include" ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${__stlLibPath}/include" ) -endif() -if( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/thumb/bits" ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/thumb" ) -elseif( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/bits" ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}" ) -elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb/bits" ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb" ) -elseif( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/bits" ) - list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" ) +# case of shared STL linkage +if( ANDROID_STL MATCHES "shared" AND DEFINED __libstl ) + string( REPLACE "_static.a" "_shared.so" __libstl "${__libstl}" ) + # TODO: check if .so file exists before the renaming endif() -# flags and definitions -if(ANDROID_SYSROOT MATCHES "[ ;\"]") - set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" ) - # 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.") + +# ccache support +__INIT_VARIABLE( _ndk_ccache NDK_CCACHE ENV_NDK_CCACHE ) +if( _ndk_ccache ) + if( DEFINED NDK_CCACHE AND NOT EXISTS NDK_CCACHE ) + unset( NDK_CCACHE CACHE ) + endif() + find_program( NDK_CCACHE "${_ndk_ccache}" DOC "The path to ccache binary") else() - set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) + unset( NDK_CCACHE CACHE ) endif() +unset( _ndk_ccache ) -remove_definitions( -DANDROID ) -add_definitions( -DANDROID ) + +# setup the cross-compiler +if( NOT CMAKE_C_COMPILER ) + if( NDK_CCACHE AND NOT ANDROID_SYSROOT MATCHES "[ ;\"]" ) + set( CMAKE_C_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C compiler" ) + set( CMAKE_CXX_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C++ compiler" ) + if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_C_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") + set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") + else() + set( CMAKE_C_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") + set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") + endif() + else() + if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_C_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler") + set( CMAKE_CXX_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler") + else() + set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler" ) + set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler" ) + endif() + endif() + set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "assembler" ) + set( CMAKE_STRIP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" ) + 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( _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 ) +if( X86_64 OR MIPS64 OR ARM64_V8A ) + set( CMAKE_C_SIZEOF_DATA_PTR 8 ) +else() + set( CMAKE_C_SIZEOF_DATA_PTR 4 ) +endif() set( CMAKE_C_HAS_ISYSROOT 1 ) set( CMAKE_C_COMPILER_ABI ELF ) CMAKE_FORCE_CXX_COMPILER( "${CMAKE_CXX_COMPILER}" GNU ) +if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_CXX_COMPILER_ID Clang) +endif() set( CMAKE_CXX_PLATFORM_ID Linux ) -set( CMAKE_CXX_SIZEOF_DATA_PTR 4 ) +set( CMAKE_CXX_SIZEOF_DATA_PTR ${CMAKE_C_SIZEOF_DATA_PTR} ) set( CMAKE_CXX_HAS_ISYSROOT 1 ) set( CMAKE_CXX_COMPILER_ABI ELF ) +set( CMAKE_CXX_SOURCE_FILE_EXTENSIONS cc cp cxx cpp CPP c++ C ) # force ASM compiler (required for CMake < 2.8.5) set( CMAKE_ASM_COMPILER_ID_RUN TRUE ) set( CMAKE_ASM_COMPILER_ID GNU ) set( CMAKE_ASM_COMPILER_WORKS TRUE ) set( CMAKE_ASM_COMPILER_FORCED TRUE ) set( CMAKE_COMPILER_IS_GNUASM 1) +set( CMAKE_ASM_SOURCE_FILE_EXTENSIONS s S asm ) -# NDK flags -if( ARMEABI OR ARMEABI_V7A ) - # NDK also defines -ffunction-sections -funwind-tables but they result in worse OpenCV performance - set( _CMAKE_CXX_FLAGS "-fPIC -Wno-psabi" ) - set( _CMAKE_C_FLAGS "-fPIC -Wno-psabi" ) - remove_definitions( -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ) - add_definitions( -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ) - # extra arm-specific flags - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) -elseif( X86 ) - set( _CMAKE_CXX_FLAGS "-funwind-tables" ) - set( _CMAKE_C_FLAGS "-funwind-tables" ) -elseif( MIPS ) - set( _CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) - set( _CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) -else() - set( _CMAKE_CXX_FLAGS "" ) - set( _CMAKE_C_FLAGS "" ) -endif() +foreach( lang C CXX ASM ) + if( ANDROID_COMPILER_IS_CLANG ) + set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_CLANG_VERSION} ) + else() + set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_COMPILER_VERSION} ) + endif() +endforeach() + +# flags and definitions +remove_definitions( -DANDROID ) +add_definitions( -DANDROID ) -if( ANDROID_USE_STLPORT ) - set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -frtti -fno-exceptions" ) - set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fno-exceptions" ) +if( ANDROID_SYSROOT MATCHES "[ ;\"]" ) + if( CMAKE_HOST_WIN32 ) + # try to convert path to 8.3 form + file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "@echo %~s1" ) + execute_process( COMMAND "$ENV{ComSpec}" /c "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "${ANDROID_SYSROOT}" + OUTPUT_VARIABLE __path OUTPUT_STRIP_TRAILING_WHITESPACE + RESULT_VARIABLE __result ERROR_QUIET ) + if( __result EQUAL 0 ) + file( TO_CMAKE_PATH "${__path}" ANDROID_SYSROOT ) + set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) + else() + set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" ) + endif() + else() + set( ANDROID_CXX_FLAGS "'--sysroot=${ANDROID_SYSROOT}'" ) + endif() + if( NOT _CMAKE_IN_TRY_COMPILE ) + # quotes can break try_compile and compiler identification + message(WARNING "Path to your Android NDK (or toolchain) has non-alphanumeric symbols.\nThe build might be broken.\n") + endif() else() - set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -frtti -fexceptions" ) - set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fexceptions" ) + set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) endif() -# release and debug flags -if( ARMEABI OR ARMEABI_V7A ) +# NDK flags +if (ARM64_V8A ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" ) + endif() +elseif( ARMEABI OR ARMEABI_V7A) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) if( NOT ANDROID_FORCE_ARM_BUILD AND NOT ARMEABI_V6 ) - # It is recommended to use the -mthumb compiler flag to force the generation - # of 16-bit Thumb-1 instructions (the default being 32-bit ARM ones). - # O3 instead of O2/Os in release mode - like cmake sets for desktop gcc - set( _CMAKE_CXX_FLAGS_RELEASE "-mthumb -O3" ) - set( _CMAKE_C_FLAGS_RELEASE "-mthumb -O3" ) - set( _CMAKE_CXX_FLAGS_DEBUG "-marm -Os -finline-limit=64" ) - set( _CMAKE_C_FLAGS_DEBUG "-marm -Os -finline-limit=64" ) + set( ANDROID_CXX_FLAGS_RELEASE "-mthumb -fomit-frame-pointer -fno-strict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -finline-limit=64" ) + endif() else() # always compile ARMEABI_V6 in arm mode; otherwise there is no difference from ARMEABI - # O3 instead of O2/Os in release mode - like cmake sets for desktop gcc - set( _CMAKE_CXX_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" ) - set( _CMAKE_C_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" ) - set( _CMAKE_CXX_FLAGS_DEBUG "-marm -O0 -finline-limit=300" ) - set( _CMAKE_C_FLAGS_DEBUG "-marm -O0 -finline-limit=300" ) + set( ANDROID_CXX_FLAGS_RELEASE "-marm -fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) + endif() + endif() +elseif( X86 OR X86_64 ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) + endif() + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) +elseif( MIPS OR MIPS64 ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-strict-aliasing -finline-functions -funwind-tables -fmessage-length=0" ) + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) + set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" ) endif() -elseif( X86 ) - set( _CMAKE_CXX_FLAGS_RELEASE "-O3 -fstrict-aliasing" ) - set( _CMAKE_C_FLAGS_RELEASE "-O3 -fstrict-aliasing" ) - set( _CMAKE_CXX_FLAGS_DEBUG "-O0 -finline-limit=300" ) - set( _CMAKE_C_FLAGS_DEBUG "-O0 -finline-limit=300" ) -elseif( MIPS ) - set( _CMAKE_CXX_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" ) - set( _CMAKE_C_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" ) - set( _CMAKE_CXX_FLAGS_DEBUG "-O0 -g" ) - set( _CMAKE_C_FLAGS_DEBUG "-O0 -g" ) -endif() -set( _CMAKE_CXX_FLAGS_RELEASE "${_CMAKE_CXX_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" ) -set( _CMAKE_C_FLAGS_RELEASE "${_CMAKE_C_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" ) -set( _CMAKE_CXX_FLAGS_DEBUG "${_CMAKE_CXX_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" ) -set( _CMAKE_C_FLAGS_DEBUG "${_CMAKE_C_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" ) +elseif() + set( ANDROID_CXX_FLAGS_RELEASE "" ) + set( ANDROID_CXX_FLAGS_DEBUG "" ) +endif() + +set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) # good/necessary when porting desktop libraries + +if( NOT X86 AND NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "-Wno-psabi ${ANDROID_CXX_FLAGS}" ) +endif() + +if( NOT ANDROID_COMPILER_VERSION VERSION_LESS "4.6" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -no-canonical-prefixes" ) # see https://android-review.googlesource.com/#/c/47564/ +endif() # ABI-specific flags if( ARMEABI_V7A ) @@ -871,129 +1269,274 @@ if( ARMEABI_V7A ) if( NEON ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" ) elseif( VFPV3 ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3-d16" ) + 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 "${ANDROID_CXX_FLAGS} -march=armv6 -mfloat-abi=softfp -mfpu=vfp" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv6 -mfloat-abi=softfp -mfpu=vfp" ) # vfp == vfpv2 elseif( ARMEABI ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv5te -mtune=xscale -msoft-float" ) -elseif( X86 ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" )#sse? endif() -# linker flags -if( NOT DEFINED __ndklibspath ) - set( __ndklibspath "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/ndklibs/${ANDROID_NDK_ABI_NAME}" ) +if( ANDROID_STL MATCHES "gnustl" AND (EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}") ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) +else() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) endif() -list( APPEND ANDROID_SYSTEM_LIB_DIRS "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ) -set( ANDROID_LINKER_FLAGS "" ) # STL -if( ANDROID_USE_STLPORT ) - if( EXISTS "${__stlLibPath}/libc++_shared.so" ) - set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> \"${__stlLibPath}/libc++_shared.so\" -latomic") - set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> \"${__stlLibPath}/libc++_shared.so\" -latomic") +if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" ) + if( EXISTS "${__libstl}" ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libstl}\"" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libstl}\"" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libstl}\"" ) endif() -else( ANDROID_USE_STLPORT ) - if( EXISTS "${__stlLibPath}/libgnustl_static.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/libgnustl_static.a" "${__ndklibspath}/libstdc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${__stlLibPath}/${CMAKE_SYSTEM_PROCESSOR}/thumb/libstdc++.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/${CMAKE_SYSTEM_PROCESSOR}/thumb/libstdc++.a" "${__ndklibspath}/libstdc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${__stlLibPath}/${CMAKE_SYSTEM_PROCESSOR}/libstdc++.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/${CMAKE_SYSTEM_PROCESSOR}/libstdc++.a" "${__ndklibspath}/libstdc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${__stlLibPath}/thumb/libstdc++.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/thumb/libstdc++.a" "${__ndklibspath}/libstdc++.a" ) - elseif( EXISTS "${__stlLibPath}/libstdc++.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/libstdc++.a" "${__ndklibspath}/libstdc++.a" ) + if( EXISTS "${__libsupcxx}" ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libsupcxx}\"" ) + # C objects: + set( CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_C_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" ) + set( CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" ) + set( CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" ) + set( CMAKE_C_CREATE_SHARED_MODULE "${CMAKE_C_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" ) + set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} \"${__libsupcxx}\"" ) endif() - if( EXISTS "${__stlLibPath}/libsupc++.a" ) - __COPY_IF_DIFFERENT( "${__stlLibPath}/libsupc++.a" "${__ndklibspath}/libsupc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libsupc++.a" ) - __COPY_IF_DIFFERENT( "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libsupc++.a" "${__ndklibspath}/libsupc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libsupc++.a" ) - __COPY_IF_DIFFERENT( "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libsupc++.a" "${__ndklibspath}/libsupc++.a" ) - elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libsupc++.a" ) - __COPY_IF_DIFFERENT( "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libsupc++.a" "${__ndklibspath}/libsupc++.a" ) - elseif( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" ) - __COPY_IF_DIFFERENT( "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" "${__ndklibspath}/libsupc++.a" ) + if( ANDROID_STL MATCHES "gnustl" ) + if( NOT EXISTS "${ANDROID_LIBM_PATH}" ) + set( ANDROID_LIBM_PATH -lm ) + endif() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${ANDROID_LIBM_PATH}" ) endif() - list( APPEND ANDROID_SYSTEM_LIB_DIRS "${__ndklibspath}" ) -endif( ANDROID_USE_STLPORT ) +endif() -# cleanup for STL search -unset( __stlIncludePath ) -unset( __stlLibPath ) +# variables controlling optional build flags +if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7 + # libGLESv2.so in NDK's prior to r7 refers to missing external symbols. + # So this flag option is required for all projects using OpenGL from native. + __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES ON ) +else() + __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF ) +endif() +__INIT_VARIABLE( ANDROID_NO_UNDEFINED VALUES ON ) +__INIT_VARIABLE( ANDROID_FUNCTION_LEVEL_LINKING VALUES ON ) +__INIT_VARIABLE( ANDROID_GOLD_LINKER VALUES ON ) +__INIT_VARIABLE( ANDROID_NOEXECSTACK VALUES ON ) +__INIT_VARIABLE( ANDROID_RELRO VALUES ON ) + +set( ANDROID_NO_UNDEFINED ${ANDROID_NO_UNDEFINED} CACHE BOOL "Show all undefined symbols as linker errors" ) +set( ANDROID_SO_UNDEFINED ${ANDROID_SO_UNDEFINED} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" ) +set( ANDROID_FUNCTION_LEVEL_LINKING ${ANDROID_FUNCTION_LEVEL_LINKING} CACHE BOOL "Put each function in separate section and enable garbage collection of unused input sections at link time" ) +set( ANDROID_GOLD_LINKER ${ANDROID_GOLD_LINKER} CACHE BOOL "Enables gold linker" ) +set( ANDROID_NOEXECSTACK ${ANDROID_NOEXECSTACK} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" ) +set( ANDROID_RELRO ${ANDROID_RELRO} CACHE BOOL "Enables RELRO - a memory corruption mitigation technique" ) +mark_as_advanced( ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_FUNCTION_LEVEL_LINKING ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO ) -# other linker flags -__INIT_VARIABLE( ANDROID_NO_UNDEFINED OBSOLETE_NO_UNDEFINED VALUES ON ) -set( ANDROID_NO_UNDEFINED ${ANDROID_NO_UNDEFINED} CACHE BOOL "Show all undefined symbols as linker errors" FORCE ) -mark_as_advanced( ANDROID_NO_UNDEFINED ) -if( ANDROID_NO_UNDEFINED ) - set( ANDROID_LINKER_FLAGS "-Wl,--no-undefined ${ANDROID_LINKER_FLAGS}" ) +# linker flags +set( ANDROID_LINKER_FLAGS "" ) + +if( ARMEABI_V7A ) + # this is *required* to use the following linker flags that routes around + # a CPU bug in some Cortex-A8 implementations: + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--fix-cortex-a8" ) endif() -if (ANDROID_NDK MATCHES "-r[56].?$") - # libGLESv2.so in NDK's prior to r7 refers to exteranal symbols. So this flag option is required for all projects using OpenGL from native. - __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES ON ) -else() - __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF ) +if( ANDROID_NO_UNDEFINED ) + if( MIPS ) + # there is some sysroot-related problem in mips linker... + if( NOT ANDROID_SYSROOT MATCHES "[ ;\"]" ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib" ) + endif() + else() + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" ) + endif() endif() -set( ANDROID_SO_UNDEFINED ${ANDROID_SO_UNDEFINED} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" FORCE ) -mark_as_advanced( ANDROID_SO_UNDEFINED ) if( ANDROID_SO_UNDEFINED ) set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-allow-shlib-undefined" ) endif() -__INIT_VARIABLE( ANDROID_FUNCTION_LEVEL_LINKING VALUES ON ) -set( ANDROID_FUNCTION_LEVEL_LINKING ON CACHE BOOL "Allows or disallows undefined symbols in shared libraries" FORCE ) -mark_as_advanced( ANDROID_FUNCTION_LEVEL_LINKING ) if( ANDROID_FUNCTION_LEVEL_LINKING ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fdata-sections -ffunction-sections" ) - set( ANDROID_LINKER_FLAGS "-Wl,--gc-sections ${ANDROID_LINKER_FLAGS}" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fdata-sections -ffunction-sections" ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--gc-sections" ) endif() -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 "-Wl,--fix-cortex-a8 ${ANDROID_LINKER_FLAGS}" ) +if( ANDROID_COMPILER_VERSION VERSION_EQUAL "4.6" ) + if( ANDROID_GOLD_LINKER AND (CMAKE_HOST_UNIX OR ANDROID_NDK_RELEASE_NUM GREATER 8002) AND (ARMEABI OR ARMEABI_V7A OR X86) ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=gold" ) + elseif( ANDROID_NDK_RELEASE_NUM GREATER 8002 ) # after r8b + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=bfd" ) + elseif( ANDROID_NDK_RELEASE STREQUAL "r8b" AND ARMEABI AND NOT _CMAKE_IN_TRY_COMPILE ) + message( WARNING "The default bfd linker from arm GCC 4.6 toolchain can fail with 'unresolvable R_ARM_THM_CALL relocation' error message. See https://code.google.com/p/android/issues/detail?id=35342 + On Linux and OS X host platform you can workaround this problem using gold linker (default). + Rerun cmake with -DANDROID_GOLD_LINKER=ON option in case of problems. +" ) + endif() +endif() # version 4.6 + +if( ANDROID_NOEXECSTACK ) + if( ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Xclang -mnoexecstack" ) + else() + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Wa,--noexecstack" ) + endif() + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,noexecstack" ) +endif() + +if( ANDROID_RELRO ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,relro -Wl,-z,now" ) +endif() + +if( ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "-target ${ANDROID_LLVM_TRIPLE} -Qunused-arguments ${ANDROID_CXX_FLAGS}" ) + if( BUILD_WITH_ANDROID_NDK ) + set( ANDROID_CXX_FLAGS "-gcc-toolchain ${ANDROID_TOOLCHAIN_ROOT} ${ANDROID_CXX_FLAGS}" ) + endif() endif() # cache flags -set( CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" ) -set( CMAKE_C_FLAGS "${_CMAKE_C_FLAGS}" CACHE STRING "c flags" ) -set( CMAKE_CXX_FLAGS_RELEASE "${_CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "c++ Release flags" ) -set( CMAKE_C_FLAGS_RELEASE "${_CMAKE_C_FLAGS_RELEASE}" CACHE STRING "c Release flags" ) -set( CMAKE_CXX_FLAGS_DEBUG "${_CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "c++ Debug flags" ) -set( CMAKE_C_FLAGS_DEBUG "${_CMAKE_C_FLAGS_DEBUG}" CACHE STRING "c Debug flags" ) -set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "linker flags" ) -set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "linker flags" ) -set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "linker flags" ) - -include_directories( SYSTEM ${ANDROID_SYSTEM_INCLUDE_DIRS} ) -link_directories( ${ANDROID_SYSTEM_LIB_DIRS} ) +set( CMAKE_CXX_FLAGS "" CACHE STRING "c++ flags" ) +set( CMAKE_C_FLAGS "" CACHE STRING "c flags" ) +set( CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c++ Release flags" ) +set( CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c Release flags" ) +set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c++ Debug flags" ) +set( CMAKE_C_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c Debug flags" ) +set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared linker flags" ) +set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags" ) +set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker flags" ) + +# put flags to cache (for debug purpose only) +set( ANDROID_CXX_FLAGS "${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 "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Android specific c/c++ linker flags" ) # finish flags -set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Extra Android compiler flags") -set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Extra Android linker flags") set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_C_FLAGS}" ) -if( MIPS AND BUILD_WITH_ANDROID_NDK ) - set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf32btsmip.xsc ${ANDROID_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}" ) - set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf32btsmip.xsc ${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}" ) - set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf32btsmip.x ${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" ) - # todo: should we use elf64btsmip.xsc on x64 host platforms ? - #set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf64btsmip.xsc ${ANDROID_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}" ) - #set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf64btsmip.xsc ${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}" ) - #set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/mipsel-linux-android/lib/ldscripts/elf64btsmip.x ${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" ) +set( CMAKE_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_RELEASE}" ) +set( CMAKE_C_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_C_FLAGS_RELEASE}" ) +set( CMAKE_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_DEBUG}" ) +set( CMAKE_C_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_C_FLAGS_DEBUG}" ) +set( CMAKE_SHARED_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}" ) +set( CMAKE_MODULE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}" ) +set( CMAKE_EXE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" ) + +if( MIPS AND BUILD_WITH_ANDROID_NDK AND ANDROID_NDK_RELEASE STREQUAL "r8" ) + set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_SHARED_LINKER_FLAGS}" ) + set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_MODULE_LINKER_FLAGS}" ) + set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.x ${CMAKE_EXE_LINKER_FLAGS}" ) +endif() + +# pie/pic +if( NOT (ANDROID_NATIVE_API_LEVEL LESS 16) AND (NOT DEFINED ANDROID_APP_PIE OR ANDROID_APP_PIE) AND (CMAKE_VERSION VERSION_GREATER 2.8.8) ) + set( CMAKE_POSITION_INDEPENDENT_CODE TRUE ) + set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fPIE -pie") else() - set( CMAKE_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}" ) + set( CMAKE_POSITION_INDEPENDENT_CODE FALSE ) + set( CMAKE_CXX_FLAGS "-fpic ${CMAKE_CXX_FLAGS}" ) + set( CMAKE_C_FLAGS "-fpic ${CMAKE_C_FLAGS}" ) +endif() + +# configure rtti +if( DEFINED ANDROID_RTTI AND ANDROID_STL_FORCE_FEATURES ) + if( ANDROID_RTTI ) + set( CMAKE_CXX_FLAGS "-frtti ${CMAKE_CXX_FLAGS}" ) + else() + set( CMAKE_CXX_FLAGS "-fno-rtti ${CMAKE_CXX_FLAGS}" ) + endif() +endif() + +# configure exceptios +if( DEFINED ANDROID_EXCEPTIONS AND ANDROID_STL_FORCE_FEATURES ) + if( ANDROID_EXCEPTIONS ) + set( CMAKE_CXX_FLAGS "-fexceptions ${CMAKE_CXX_FLAGS}" ) + set( CMAKE_C_FLAGS "-fexceptions ${CMAKE_C_FLAGS}" ) + else() + set( CMAKE_CXX_FLAGS "-fno-exceptions ${CMAKE_CXX_FLAGS}" ) + set( CMAKE_C_FLAGS "-fno-exceptions ${CMAKE_C_FLAGS}" ) + endif() +endif() + +# global includes and link directories +include_directories( SYSTEM "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} ) +get_filename_component(__android_install_path "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ABSOLUTE) # avoid CMP0015 policy warning +link_directories( "${__android_install_path}" ) + +# detect if need link crtbegin_so.o explicitly +if( NOT DEFINED ANDROID_EXPLICIT_CRT_LINK ) + set( __cmd "${CMAKE_CXX_CREATE_SHARED_LIBRARY}" ) + string( REPLACE "<CMAKE_CXX_COMPILER>" "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_CXX_FLAGS>" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "<LANGUAGE_COMPILE_FLAGS>" "" __cmd "${__cmd}" ) + string( REPLACE "<LINK_FLAGS>" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS>" "-shared" __cmd "${__cmd}" ) + string( REPLACE "<CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG>" "" __cmd "${__cmd}" ) + string( REPLACE "<TARGET_SONAME>" "" __cmd "${__cmd}" ) + string( REPLACE "<TARGET>" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" ) + string( REPLACE "<OBJECTS>" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" ) + string( REPLACE "<LINK_LIBRARIES>" "" __cmd "${__cmd}" ) + separate_arguments( __cmd ) + foreach( __var ANDROID_NDK ANDROID_NDK_TOOLCHAINS_PATH ANDROID_STANDALONE_TOOLCHAIN ) + if( ${__var} ) + set( __tmp "${${__var}}" ) + separate_arguments( __tmp ) + string( REPLACE "${__tmp}" "${${__var}}" __cmd "${__cmd}") + endif() + endforeach() + string( REPLACE "'" "" __cmd "${__cmd}" ) + string( REPLACE "\"" "" __cmd "${__cmd}" ) + execute_process( COMMAND ${__cmd} RESULT_VARIABLE __cmd_result OUTPUT_QUIET ERROR_QUIET ) + if( __cmd_result EQUAL 0 ) + set( ANDROID_EXPLICIT_CRT_LINK ON ) + else() + set( ANDROID_EXPLICIT_CRT_LINK OFF ) + endif() +endif() + +if( ANDROID_EXPLICIT_CRT_LINK ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) endif() +# setup output directories +set( CMAKE_INSTALL_PREFIX "${ANDROID_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" ) + +if( DEFINED LIBRARY_OUTPUT_PATH_ROOT + OR EXISTS "${CMAKE_SOURCE_DIR}/AndroidManifest.xml" + OR (EXISTS "${CMAKE_SOURCE_DIR}/../AndroidManifest.xml" AND EXISTS "${CMAKE_SOURCE_DIR}/../jni/") ) + set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "Root for binaries output, set this to change where Android libs are installed to" ) + if( NOT _CMAKE_IN_TRY_COMPILE ) + if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" ) + set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for applications" ) + else() + set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications" ) + endif() + set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for Android libs" ) + endif() +endif() + +# copy shaed stl library to build directory +if( NOT _CMAKE_IN_TRY_COMPILE AND __libstl MATCHES "[.]so$" AND DEFINED LIBRARY_OUTPUT_PATH ) + get_filename_component( __libstlname "${__libstl}" NAME ) + execute_process( COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${__libstl}" "${LIBRARY_OUTPUT_PATH}/${__libstlname}" RESULT_VARIABLE __fileCopyProcess ) + if( NOT __fileCopyProcess EQUAL 0 OR NOT EXISTS "${LIBRARY_OUTPUT_PATH}/${__libstlname}") + message( SEND_ERROR "Failed copying of ${__libstl} to the ${LIBRARY_OUTPUT_PATH}/${__libstlname}" ) + endif() + unset( __fileCopyProcess ) + unset( __libstlname ) +endif() + + # set these global flags for cmake client scripts to change behavior set( ANDROID True ) set( BUILD_ANDROID True ) @@ -1051,25 +1594,32 @@ macro( find_host_program ) endmacro() -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" ) - else() - set( ${VAR} "unknown" ) - endif() -endmacro() - - # export toolchain settings for the try_compile() command -if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) +if( NOT _CMAKE_IN_TRY_COMPILE ) set( __toolchain_config "") - foreach( __var ANDROID_ABI ANDROID_FORCE_ARM_BUILD ANDROID_NATIVE_API_LEVEL ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_SET_OBSOLETE_VARIABLES LIBRARY_OUTPUT_PATH_ROOT ANDROID_USE_STLPORT ANDROID_FORBID_SYGWIN ANDROID_NDK ANDROID_STANDALONE_TOOLCHAIN ANDROID_FUNCTION_LEVEL_LINKING __ndklibspath ) + foreach( __var NDK_CCACHE LIBRARY_OUTPUT_PATH_ROOT ANDROID_FORBID_SYGWIN + ANDROID_NDK_HOST_X64 + ANDROID_NDK + ANDROID_NDK_LAYOUT + ANDROID_STANDALONE_TOOLCHAIN + ANDROID_TOOLCHAIN_NAME + ANDROID_ABI + ANDROID_NATIVE_API_LEVEL + ANDROID_STL + ANDROID_STL_FORCE_FEATURES + ANDROID_FORCE_ARM_BUILD + ANDROID_NO_UNDEFINED + ANDROID_SO_UNDEFINED + ANDROID_FUNCTION_LEVEL_LINKING + ANDROID_GOLD_LINKER + ANDROID_NOEXECSTACK + ANDROID_RELRO + ANDROID_LIBM_PATH + ANDROID_EXPLICIT_CRT_LINK + ANDROID_APP_PIE + ) if( DEFINED ${__var} ) - if( "${__var}" MATCHES " ") + 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" ) @@ -1078,79 +1628,85 @@ if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) endforeach() file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/android.toolchain.config.cmake" "${__toolchain_config}" ) unset( __toolchain_config ) - unset( __ndklibspath ) 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}" ) +# force cmake to produce / instead of \ in build commands for Ninja generator +if( CMAKE_GENERATOR MATCHES "Ninja" AND CMAKE_HOST_WIN32 ) + # it is a bad hack after all + # CMake generates Ninja makefiles with UNIX paths only if it thinks that we are going to build with MinGW + set( CMAKE_COMPILER_IS_MINGW TRUE ) # tell CMake that we are MinGW + set( CMAKE_CROSSCOMPILING TRUE ) # stop recursion + enable_language( C ) + enable_language( CXX ) + # unset( CMAKE_COMPILER_IS_MINGW ) # can't unset because CMake does not convert back-slashes in response files without it + unset( MINGW ) endif() -# don't leave libs/ directories in source directory -set(LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_LIBRARY_DIR}) # 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_SET_OBSOLETE_VARIABLES: ON/OFF -# ANDROID_USE_STLPORT: OFF/ON - EXPERIMENTAL!!! -# 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 -# Variables that takes effect only at first run: -# ANDROID_FORCE_ARM_BUILD: ON/OFF -# LIBRARY_OUTPUT_PATH_ROOT: <any valid path> +# ANDROID_ABI : "armeabi-v7a" (default), "armeabi", "armeabi-v7a with NEON", "armeabi-v7a with VFPV3", "armeabi-v6 with VFP", "x86", "mips", "arm64-v8a", "x86_64", "mips64" +# ANDROID_NATIVE_API_LEVEL : 3,4,5,8,9,14,15,16,17,18,19,21 (depends on NDK version) +# ANDROID_STL : gnustl_static/gnustl_shared/stlport_static/stlport_shared/gabi++_static/gabi++_shared/system_re/system/none +# ANDROID_FORBID_SYGWIN : ON/OFF +# ANDROID_NO_UNDEFINED : ON/OFF +# ANDROID_SO_UNDEFINED : OFF/ON (default depends on NDK version) +# ANDROID_FUNCTION_LEVEL_LINKING : ON/OFF +# ANDROID_GOLD_LINKER : ON/OFF +# ANDROID_NOEXECSTACK : ON/OFF +# ANDROID_RELRO : ON/OFF +# ANDROID_FORCE_ARM_BUILD : ON/OFF +# ANDROID_STL_FORCE_FEATURES : ON/OFF +# ANDROID_LIBM_PATH : path to libm.so (set to something like $(TOP)/out/target/product/<product_name>/obj/lib/libm.so) to workaround unresolved `sincos` # Can be set only at the first run: -# ANDROID_NDK +# ANDROID_NDK : path to your NDK install +# NDK_CCACHE : path to your ccache executable +# ANDROID_TOOLCHAIN_NAME : the NDK name of compiler toolchain +# ANDROID_NDK_HOST_X64 : try to use x86_64 toolchain (default for x64 host systems) +# ANDROID_NDK_LAYOUT : the inner NDK structure (RELEASE, LINARO, ANDROID) +# LIBRARY_OUTPUT_PATH_ROOT : <any valid path> # ANDROID_STANDALONE_TOOLCHAIN -# ANDROID_TOOLCHAIN_NAME: "arm-linux-androideabi-4.4.3" or "arm-linux-androideabi-4.6" or "mipsel-linux-android-4.4.3" or "mipsel-linux-android-4.6" or "x86-4.4.3" or "x86-4.6" -# 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_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 -# 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_HOST_SYSTEM_ARCH: "x86", "x64" depending on host platform -# ANDROID_NDK_ABI_NAME: "armeabi", "armeabi-v7a" or "x86" depending on ANDROID_ABI -# ANDROID_ARCH_NAME: "arm" or "x86" or "mips" depending on ANDROID_ABI -# TOOL_OS_SUFFIX: "" or ".exe" depending on host platform -# ANDROID_SYSROOT: path to the compiler sysroot -# ANDROID_SYSTEM_INCLUDE_DIRS -# ANDROID_SYSTEM_LIB_DIRS -# Obsolete: -# ARMEABI_NDK_NAME: superseded by ANDROID_NDK_ABI_NAME +# ANDROID : always TRUE +# ARMEABI : TRUE for arm v6 and older devices +# ARMEABI_V6 : TRUE for arm v6 +# ARMEABI_V7A : TRUE for arm v7a +# ARM64_V8A : TRUE for arm64-v8a +# NEON : TRUE if NEON unit is enabled +# VFPV3 : TRUE if VFP version 3 is enabled +# X86 : TRUE if configured for x86 +# X86_64 : TRUE if configured for x86_64 +# MIPS : TRUE if configured for mips +# MIPS64 : TRUE if configured for mips64 +# BUILD_WITH_ANDROID_NDK : TRUE if NDK is used +# BUILD_WITH_STANDALONE_TOOLCHAIN : TRUE if standalone toolchain is used +# ANDROID_NDK_HOST_SYSTEM_NAME : "windows", "linux-x86" or "darwin-x86" depending on host platform +# ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a", "x86", "mips", "arm64-v8a", "x86_64", "mips64" depending on ANDROID_ABI +# ANDROID_NDK_RELEASE : from r5 to r10d; set only for NDK +# ANDROID_NDK_RELEASE_NUM : numeric ANDROID_NDK_RELEASE version (1000*major+minor) +# ANDROID_ARCH_NAME : "arm", "x86", "mips", "arm64", "x86_64", "mips64" depending on ANDROID_ABI +# ANDROID_SYSROOT : path to the compiler sysroot +# TOOL_OS_SUFFIX : "" or ".exe" depending on host platform +# ANDROID_COMPILER_IS_CLANG : TRUE if clang compiler is used # # Secondary (less stable) read-only variables: -# ANDROID_COMPILER_VERSION: GCC version used -# 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_SUPPORTED_NATIVE_API_LEVELS: list of native API levels found inside NDK +# ANDROID_COMPILER_VERSION : GCC version used (not Clang version) +# ANDROID_CLANG_VERSION : version of clang compiler if clang is used +# ANDROID_CXX_FLAGS : C/C++ compiler flags required by Android platform +# ANDROID_SUPPORTED_ABIS : list of currently allowed values for ANDROID_ABI +# ANDROID_TOOLCHAIN_MACHINE_NAME : "arm-linux-androideabi", "arm-eabi" or "i686-android-linux" +# ANDROID_TOOLCHAIN_ROOT : path to the top level of toolchain (standalone or placed inside NDK) +# ANDROID_CLANG_TOOLCHAIN_ROOT : path to clang tools +# ANDROID_SUPPORTED_NATIVE_API_LEVELS : list of native API levels found inside NDK +# ANDROID_STL_INCLUDE_DIRS : stl include paths +# ANDROID_RTTI : if rtti is enabled by the runtime +# ANDROID_EXCEPTIONS : if exceptions are enabled by the runtime +# ANDROID_GCC_TOOLCHAIN_NAME : read-only, differs from ANDROID_TOOLCHAIN_NAME only if clang is used # # Defaults: # ANDROID_DEFAULT_NDK_API_LEVEL # ANDROID_DEFAULT_NDK_API_LEVEL_${ARCH} # ANDROID_NDK_SEARCH_PATHS -# ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH # ANDROID_SUPPORTED_ABIS_${ARCH} -# ANDROID_SUPPORTED_NDK_VERSIONS +# ANDROID_SUPPORTED_NDK_VERSIONS
\ No newline at end of file |