1 # Copyright (c) 2010-2011, Ethan Rublee
2 # Copyright (c) 2011-2014, Andrey Kamaev
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are met:
8 # 1. Redistributions of source code must retain the above copyright notice,
9 # this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright notice,
12 # this list of conditions and the following disclaimer in the documentation
13 # and/or other materials provided with the distribution.
15 # 3. Neither the name of the copyright holder nor the names of its
16 # contributors may be used to endorse or promote products derived from this
17 # software without specific prior written permission.
19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 # POSSIBILITY OF SUCH DAMAGE.
31 # ------------------------------------------------------------------------------
32 # Android CMake toolchain file, for use with the Android NDK r5-r10d
33 # Requires cmake 2.6.3 or newer (2.8.9 or newer is recommended).
34 # See home page: https://github.com/taka-no-me/android-cmake
37 # $ export ANDROID_NDK=/absolute/path/to/the/android-ndk
38 # $ mkdir build && cd build
39 # $ cmake -DCMAKE_TOOLCHAIN_FILE=path/to/the/android.toolchain.cmake ..
43 # You need native port of make to build your project.
44 # Android NDK r7 (and newer) already has make.exe on board.
45 # For older NDK you have to install it separately.
46 # For example, this one: http://gnuwin32.sourceforge.net/packages/make.htm
48 # $ SET ANDROID_NDK=C:\absolute\path\to\the\android-ndk
49 # $ mkdir build && cd build
50 # $ cmake.exe -G"MinGW Makefiles"
51 # -DCMAKE_TOOLCHAIN_FILE=path\to\the\android.toolchain.cmake
52 # -DCMAKE_MAKE_PROGRAM="%ANDROID_NDK%\prebuilt\windows\bin\make.exe" ..
53 # $ cmake.exe --build .
56 # Options (can be set as cmake parameters: -D<option_name>=<value>):
57 # ANDROID_NDK=/opt/android-ndk - path to the NDK root.
58 # Can be set as environment variable. Can be set only at first cmake run.
60 # ANDROID_ABI=armeabi-v7a - specifies the target Application Binary
61 # Interface (ABI). This option nearly matches to the APP_ABI variable
62 # used by ndk-build tool from Android NDK.
64 # Possible targets are:
65 # "armeabi" - ARMv5TE based CPU with software floating point operations
66 # "armeabi-v7a" - ARMv7 based devices with hardware FPU instructions
67 # this ABI target is used by default
68 # "armeabi-v7a-hard with NEON" - ARMv7 based devices with hardware FPU instructions and hardfp
69 # "armeabi-v7a with NEON" - same as armeabi-v7a, but
70 # sets NEON as floating-point unit
71 # "armeabi-v7a with VFPV3" - same as armeabi-v7a, but
72 # sets VFPV3 as floating-point unit (has 32 registers instead of 16)
73 # "armeabi-v6 with VFP" - tuned for ARMv6 processors having VFP
74 # "x86" - IA-32 instruction set
75 # "mips" - MIPS32 instruction set
77 # 64-bit ABIs for NDK r10 and newer:
78 # "arm64-v8a" - ARMv8 AArch64 instruction set
79 # "x86_64" - Intel64 instruction set (r1)
80 # "mips64" - MIPS64 instruction set (r6)
82 # ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for.
83 # Option is read-only when standalone toolchain is used.
84 # Note: building for "android-L" requires explicit configuration.
86 # ANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.9 - the name of compiler
87 # toolchain to be used. The list of possible values depends on the NDK
88 # version. For NDK r10c the possible values are:
90 # * aarch64-linux-android-4.9
91 # * aarch64-linux-android-clang3.4
92 # * aarch64-linux-android-clang3.5
93 # * arm-linux-androideabi-4.6
94 # * arm-linux-androideabi-4.8
95 # * arm-linux-androideabi-4.9 (default)
96 # * arm-linux-androideabi-clang3.4
97 # * arm-linux-androideabi-clang3.5
98 # * mips64el-linux-android-4.9
99 # * mips64el-linux-android-clang3.4
100 # * mips64el-linux-android-clang3.5
101 # * mipsel-linux-android-4.6
102 # * mipsel-linux-android-4.8
103 # * mipsel-linux-android-4.9
104 # * mipsel-linux-android-clang3.4
105 # * mipsel-linux-android-clang3.5
115 # ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions
116 # instead of Thumb. Is not available for "armeabi-v6 with VFP"
117 # (is forced to be ON) ABI.
119 # ANDROID_NO_UNDEFINED=ON - set ON to show all undefined symbols as linker
120 # errors even if they are not used.
122 # ANDROID_SO_UNDEFINED=OFF - set ON to allow undefined symbols in shared
123 # libraries. Automatically turned for NDK r5x and r6x due to GLESv2
126 # ANDROID_STL=gnustl_static - specify the runtime to use.
128 # Possible values are:
129 # none -> Do not configure the runtime.
130 # system -> Use the default minimal system C++ runtime library.
131 # Implies -fno-rtti -fno-exceptions.
132 # Is not available for standalone toolchain.
133 # system_re -> Use the default minimal system C++ runtime library.
134 # Implies -frtti -fexceptions.
135 # Is not available for standalone toolchain.
136 # gabi++_static -> Use the GAbi++ runtime as a static library.
137 # Implies -frtti -fno-exceptions.
138 # Available for NDK r7 and newer.
139 # Is not available for standalone toolchain.
140 # gabi++_shared -> Use the GAbi++ runtime as a shared library.
141 # Implies -frtti -fno-exceptions.
142 # Available for NDK r7 and newer.
143 # Is not available for standalone toolchain.
144 # stlport_static -> Use the STLport runtime as a static library.
145 # Implies -fno-rtti -fno-exceptions for NDK before r7.
146 # Implies -frtti -fno-exceptions for NDK r7 and newer.
147 # Is not available for standalone toolchain.
148 # stlport_shared -> Use the STLport runtime as a shared library.
149 # Implies -fno-rtti -fno-exceptions for NDK before r7.
150 # Implies -frtti -fno-exceptions for NDK r7 and newer.
151 # Is not available for standalone toolchain.
152 # gnustl_static -> Use the GNU STL as a static library.
153 # Implies -frtti -fexceptions.
154 # gnustl_shared -> Use the GNU STL as a shared library.
155 # Implies -frtti -fno-exceptions.
156 # Available for NDK r7b and newer.
157 # Silently degrades to gnustl_static if not available.
158 # c++_static -> Use the LLVM libc++ runtime as a static library.
159 # Implies -frtti -fexceptions.
160 # c++_shared -> Use the LLVM libc++ runtime as a static library.
161 # Implies -frtti -fno-exceptions.
163 # ANDROID_STL_FORCE_FEATURES=ON - turn rtti and exceptions support based on
164 # chosen runtime. If disabled, then the user is responsible for settings
168 # android-cmake toolchain searches for NDK/toolchain in the following order:
169 # ANDROID_NDK - cmake parameter
170 # ANDROID_NDK - environment variable
171 # ANDROID_STANDALONE_TOOLCHAIN - cmake parameter
172 # ANDROID_STANDALONE_TOOLCHAIN - environment variable
173 # ANDROID_NDK - default locations
174 # ANDROID_STANDALONE_TOOLCHAIN - default locations
176 # Make sure to do the following in your scripts:
177 # SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${my_cxx_flags}" )
178 # SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${my_cxx_flags}" )
179 # The flags will be prepopulated with critical flags, so don't loose them.
180 # Also be aware that toolchain also sets configuration-specific compiler
181 # flags and linker flags.
183 # ANDROID and BUILD_ANDROID will be set to true, you may test any of these
184 # variables to make necessary Android-specific configuration changes.
186 # Also ARMEABI or ARMEABI_V7A or ARMEABI_V7A_HARD or X86 or MIPS or ARM64_V8A or X86_64 or MIPS64
187 # will be set true, mutually exclusive. NEON option will be set true
188 # if VFP is set to NEON.
190 # ------------------------------------------------------------------------------
192 cmake_minimum_required( VERSION 2.6.3 )
194 if( DEFINED CMAKE_CROSSCOMPILING )
195 # subsequent toolchain loading is not really needed
199 if( CMAKE_TOOLCHAIN_FILE )
200 # touch toolchain variable to suppress "unused variable" warning
203 # inherit settings in recursive loads
204 get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
205 if( _CMAKE_IN_TRY_COMPILE )
206 include( "${CMAKE_CURRENT_SOURCE_DIR}/../android.toolchain.config.cmake" OPTIONAL )
209 # this one is important
210 if( CMAKE_VERSION VERSION_GREATER "3.0.99" )
211 set( CMAKE_SYSTEM_NAME Android )
213 set( CMAKE_SYSTEM_NAME Linux )
216 # this one not so much
217 set( CMAKE_SYSTEM_VERSION 1 )
219 # rpath makes low sense for Android
220 set( CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "" )
221 set( CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries." )
224 set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r10d -r10c -r10b -r10 -r9d -r9c -r9b -r9 -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" )
225 if( NOT DEFINED ANDROID_NDK_SEARCH_PATHS )
226 if( CMAKE_HOST_WIN32 )
227 file( TO_CMAKE_PATH "$ENV{PROGRAMFILES}" ANDROID_NDK_SEARCH_PATHS )
228 set( ANDROID_NDK_SEARCH_PATHS "${ANDROID_NDK_SEARCH_PATHS}" "$ENV{SystemDrive}/NVPACK" )
230 file( TO_CMAKE_PATH "$ENV{HOME}" ANDROID_NDK_SEARCH_PATHS )
231 set( ANDROID_NDK_SEARCH_PATHS /opt "${ANDROID_NDK_SEARCH_PATHS}/NVPACK" )
234 if( NOT DEFINED ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH )
235 set( ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH /opt/android-toolchain )
239 set( ANDROID_SUPPORTED_ABIS_arm "armeabi-v7a;armeabi;armeabi-v7a with NEON;armeabi-v7a-hard with NEON;armeabi-v7a with VFPV3;armeabi-v6 with VFP" )
240 set( ANDROID_SUPPORTED_ABIS_arm64 "arm64-v8a" )
241 set( ANDROID_SUPPORTED_ABIS_x86 "x86" )
242 set( ANDROID_SUPPORTED_ABIS_x86_64 "x86_64" )
243 set( ANDROID_SUPPORTED_ABIS_mips "mips" )
244 set( ANDROID_SUPPORTED_ABIS_mips64 "mips64" )
247 set( ANDROID_DEFAULT_NDK_API_LEVEL 9 )
248 set( ANDROID_DEFAULT_NDK_API_LEVEL_arm64 21 )
249 set( ANDROID_DEFAULT_NDK_API_LEVEL_x86 9 )
250 set( ANDROID_DEFAULT_NDK_API_LEVEL_x86_64 21 )
251 set( ANDROID_DEFAULT_NDK_API_LEVEL_mips 9 )
252 set( ANDROID_DEFAULT_NDK_API_LEVEL_mips64 21 )
255 macro( __LIST_FILTER listvar regex )
257 foreach( __val ${${listvar}} )
258 if( __val MATCHES "${regex}" )
259 list( REMOVE_ITEM ${listvar} "${__val}" )
265 macro( __INIT_VARIABLE var_name )
267 foreach( __var ${ARGN} )
268 if( __var STREQUAL "PATH" )
274 if( __test_path AND NOT EXISTS "${${var_name}}" )
275 unset( ${var_name} CACHE )
278 if( " ${${var_name}}" STREQUAL " " )
280 foreach( __var ${ARGN} )
281 if( __var STREQUAL "VALUES" )
283 elseif( NOT __var STREQUAL "PATH" )
284 if( __var MATCHES "^ENV_.*$" )
285 string( REPLACE "ENV_" "" __var "${__var}" )
286 set( __value "$ENV{${__var}}" )
287 elseif( DEFINED ${__var} )
288 set( __value "${${__var}}" )
290 set( __value "${__var}" )
295 if( NOT " ${__value}" STREQUAL " " AND (NOT __test_path OR EXISTS "${__value}") )
296 set( ${var_name} "${__value}" )
306 file( TO_CMAKE_PATH "${${var_name}}" ${var_name} )
311 macro( __DETECT_NATIVE_API_LEVEL _var _path )
312 set( __ndkApiLevelRegex "^[\t ]*#define[\t ]+__ANDROID_API__[\t ]+([0-9]+)[\t ]*.*$" )
313 file( STRINGS ${_path} __apiFileContent REGEX "${__ndkApiLevelRegex}" )
314 if( NOT __apiFileContent )
315 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." )
317 string( REGEX REPLACE "${__ndkApiLevelRegex}" "\\1" ${_var} "${__apiFileContent}" )
318 unset( __apiFileContent )
319 unset( __ndkApiLevelRegex )
322 macro( __DETECT_TOOLCHAIN_MACHINE_NAME _var _root )
323 if( EXISTS "${_root}" )
324 file( GLOB __gccExePath RELATIVE "${_root}/bin/" "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" )
325 __LIST_FILTER( __gccExePath "^[.].*" )
326 list( LENGTH __gccExePath __gccExePathsCount )
327 if( NOT __gccExePathsCount EQUAL 1 AND NOT _CMAKE_IN_TRY_COMPILE )
328 message( WARNING "Could not determine machine name for compiler from ${_root}" )
331 get_filename_component( __gccExeName "${__gccExePath}" NAME_WE )
332 string( REPLACE "-gcc" "" ${_var} "${__gccExeName}" )
334 unset( __gccExePath )
335 unset( __gccExePathsCount )
336 unset( __gccExeName )
343 # fight against cygwin
344 set( ANDROID_FORBID_SYGWIN TRUE CACHE BOOL "Prevent cmake from working under cygwin and using cygwin tools")
345 mark_as_advanced( ANDROID_FORBID_SYGWIN )
346 if( ANDROID_FORBID_SYGWIN )
348 message( FATAL_ERROR "Android NDK and android-cmake toolchain are not welcome Cygwin. It is unlikely that this cmake toolchain will work under cygwin. But if you want to try then you can set cmake variable ANDROID_FORBID_SYGWIN to FALSE and rerun cmake." )
351 if( CMAKE_HOST_WIN32 )
352 # remove cygwin from PATH
353 set( __new_path "$ENV{PATH}")
354 __LIST_FILTER( __new_path "cygwin" )
355 set(ENV{PATH} "${__new_path}")
361 # detect current host platform
362 if( NOT DEFINED ANDROID_NDK_HOST_X64 AND (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64" OR CMAKE_HOST_APPLE) )
363 set( ANDROID_NDK_HOST_X64 1 CACHE BOOL "Try to use 64-bit compiler toolchain" )
364 mark_as_advanced( ANDROID_NDK_HOST_X64 )
367 set( TOOL_OS_SUFFIX "" )
368 if( CMAKE_HOST_APPLE )
369 set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86_64" )
370 set( ANDROID_NDK_HOST_SYSTEM_NAME2 "darwin-x86" )
371 elseif( CMAKE_HOST_WIN32 )
372 set( ANDROID_NDK_HOST_SYSTEM_NAME "windows-x86_64" )
373 set( ANDROID_NDK_HOST_SYSTEM_NAME2 "windows" )
374 set( TOOL_OS_SUFFIX ".exe" )
375 elseif( CMAKE_HOST_UNIX )
376 set( ANDROID_NDK_HOST_SYSTEM_NAME "linux-x86_64" )
377 set( ANDROID_NDK_HOST_SYSTEM_NAME2 "linux-x86" )
379 message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" )
382 if( NOT ANDROID_NDK_HOST_X64 )
383 set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} )
386 # see if we have path to Android NDK
387 if( NOT ANDROID_NDK AND NOT ANDROID_STANDALONE_TOOLCHAIN )
388 __INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK )
390 if( NOT ANDROID_NDK )
391 # see if we have path to Android standalone toolchain
392 __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN )
394 if( NOT ANDROID_STANDALONE_TOOLCHAIN )
395 #try to find Android NDK in one of the the default locations
396 set( __ndkSearchPaths )
397 foreach( __ndkSearchPath ${ANDROID_NDK_SEARCH_PATHS} )
398 foreach( suffix ${ANDROID_SUPPORTED_NDK_VERSIONS} )
399 list( APPEND __ndkSearchPaths "${__ndkSearchPath}/android-ndk${suffix}" )
402 __INIT_VARIABLE( ANDROID_NDK PATH VALUES ${__ndkSearchPaths} )
403 unset( __ndkSearchPaths )
406 message( STATUS "Using default path for Android NDK: ${ANDROID_NDK}" )
407 message( STATUS " If you prefer to use a different location, please define a cmake or environment variable: ANDROID_NDK" )
409 #try to find Android standalone toolchain in one of the the default locations
410 __INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH )
412 if( ANDROID_STANDALONE_TOOLCHAIN )
413 message( STATUS "Using default path for standalone toolchain ${ANDROID_STANDALONE_TOOLCHAIN}" )
414 message( STATUS " If you prefer to use a different location, please define the variable: ANDROID_STANDALONE_TOOLCHAIN" )
415 endif( ANDROID_STANDALONE_TOOLCHAIN )
417 endif( NOT ANDROID_STANDALONE_TOOLCHAIN )
418 endif( NOT ANDROID_NDK )
420 # remember found paths
422 get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE )
423 set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE )
424 set( BUILD_WITH_ANDROID_NDK True )
425 if( EXISTS "${ANDROID_NDK}/RELEASE.TXT" )
426 file( STRINGS "${ANDROID_NDK}/RELEASE.TXT" ANDROID_NDK_RELEASE_FULL LIMIT_COUNT 1 REGEX "r[0-9]+[a-z]?" )
427 string( REGEX MATCH "r([0-9]+)([a-z]?)" ANDROID_NDK_RELEASE "${ANDROID_NDK_RELEASE_FULL}" )
429 set( ANDROID_NDK_RELEASE "r1x" )
430 set( ANDROID_NDK_RELEASE_FULL "unreleased" )
432 string( REGEX REPLACE "r([0-9]+)([a-z]?)" "\\1*1000" ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE}" )
433 string( FIND " abcdefghijklmnopqastuvwxyz" "${CMAKE_MATCH_2}" __ndkReleaseLetterNum )
434 math( EXPR ANDROID_NDK_RELEASE_NUM "${ANDROID_NDK_RELEASE_NUM}+${__ndkReleaseLetterNum}" )
435 elseif( ANDROID_STANDALONE_TOOLCHAIN )
436 get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE )
437 # try to detect change
439 string( LENGTH "${ANDROID_STANDALONE_TOOLCHAIN}" __length )
440 string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidStandaloneToolchainPreviousPath )
441 if( NOT __androidStandaloneToolchainPreviousPath STREQUAL ANDROID_STANDALONE_TOOLCHAIN )
442 message( FATAL_ERROR "It is not possible to change path to the Android standalone toolchain on subsequent run." )
444 unset( __androidStandaloneToolchainPreviousPath )
447 set( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" CACHE INTERNAL "Path of the Android standalone toolchain" FORCE )
448 set( BUILD_WITH_STANDALONE_TOOLCHAIN True )
450 list(GET ANDROID_NDK_SEARCH_PATHS 0 ANDROID_NDK_SEARCH_PATH)
451 message( FATAL_ERROR "Could not find neither Android NDK nor Android standalone toolchain.
452 You should either set an environment variable:
453 export ANDROID_NDK=~/my-android-ndk
455 export ANDROID_STANDALONE_TOOLCHAIN=~/my-android-toolchain
456 or put the toolchain or NDK in the default path:
457 sudo ln -s ~/my-android-ndk ${ANDROID_NDK_SEARCH_PATH}/android-ndk
458 sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" )
462 if( BUILD_WITH_ANDROID_NDK )
463 if( NOT DEFINED ANDROID_NDK_LAYOUT )
464 # try to automatically detect the layout
465 if( EXISTS "${ANDROID_NDK}/RELEASE.TXT")
466 set( ANDROID_NDK_LAYOUT "RELEASE" )
467 elseif( EXISTS "${ANDROID_NDK}/../../linux-x86/toolchain/" )
468 set( ANDROID_NDK_LAYOUT "LINARO" )
469 elseif( EXISTS "${ANDROID_NDK}/../../gcc/" )
470 set( ANDROID_NDK_LAYOUT "ANDROID" )
473 set( ANDROID_NDK_LAYOUT "${ANDROID_NDK_LAYOUT}" CACHE STRING "The inner layout of NDK" )
474 mark_as_advanced( ANDROID_NDK_LAYOUT )
475 if( ANDROID_NDK_LAYOUT STREQUAL "LINARO" )
476 set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment
477 set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" )
478 set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" )
479 set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" )
480 elseif( ANDROID_NDK_LAYOUT STREQUAL "ANDROID" )
481 set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment
482 set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../gcc/${ANDROID_NDK_HOST_SYSTEM_NAME}/arm" )
483 set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" )
484 set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" )
485 else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE"
486 set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" )
487 set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" )
488 set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" )
490 get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE )
492 # try to detect change of NDK
494 string( LENGTH "${ANDROID_NDK_TOOLCHAINS_PATH}" __length )
495 string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath )
496 if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK_TOOLCHAINS_PATH )
497 message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first.
500 unset( __androidNdkPreviousPath )
506 # get all the details about standalone toolchain
507 if( BUILD_WITH_STANDALONE_TOOLCHAIN )
508 __DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" )
509 set( ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} )
510 set( __availableToolchains "standalone" )
511 __DETECT_TOOLCHAIN_MACHINE_NAME( __availableToolchainMachines "${ANDROID_STANDALONE_TOOLCHAIN}" )
512 if( NOT __availableToolchainMachines )
513 message( FATAL_ERROR "Could not determine machine name of your toolchain. Probably your Android standalone toolchain is broken." )
515 if( __availableToolchainMachines MATCHES x86_64 )
516 set( __availableToolchainArchs "x86_64" )
517 elseif( __availableToolchainMachines MATCHES i686 )
518 set( __availableToolchainArchs "x86" )
519 elseif( __availableToolchainMachines MATCHES aarch64 )
520 set( __availableToolchainArchs "arm64" )
521 elseif( __availableToolchainMachines MATCHES arm )
522 set( __availableToolchainArchs "arm" )
523 elseif( __availableToolchainMachines MATCHES mips64el )
524 set( __availableToolchainArchs "mips64" )
525 elseif( __availableToolchainMachines MATCHES mipsel )
526 set( __availableToolchainArchs "mips" )
528 execute_process( COMMAND "${ANDROID_STANDALONE_TOOLCHAIN}/bin/${__availableToolchainMachines}-gcc${TOOL_OS_SUFFIX}" -dumpversion
529 OUTPUT_VARIABLE __availableToolchainCompilerVersions OUTPUT_STRIP_TRAILING_WHITESPACE )
530 string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9]+)?" __availableToolchainCompilerVersions "${__availableToolchainCompilerVersions}" )
531 if( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/bin/clang${TOOL_OS_SUFFIX}" )
532 list( APPEND __availableToolchains "standalone-clang" )
533 list( APPEND __availableToolchainMachines ${__availableToolchainMachines} )
534 list( APPEND __availableToolchainArchs ${__availableToolchainArchs} )
535 list( APPEND __availableToolchainCompilerVersions ${__availableToolchainCompilerVersions} )
539 macro( __GLOB_NDK_TOOLCHAINS __availableToolchainsVar __availableToolchainsLst __toolchain_subpath )
540 foreach( __toolchain ${${__availableToolchainsLst}} )
541 if( "${__toolchain}" MATCHES "-clang3[.][0-9]$" AND NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}${__toolchain_subpath}" )
542 SET( __toolchainVersionRegex "^TOOLCHAIN_VERSION[\t ]+:=[\t ]+(.*)$" )
543 FILE( STRINGS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}/setup.mk" __toolchainVersionStr REGEX "${__toolchainVersionRegex}" )
544 if( __toolchainVersionStr )
545 string( REGEX REPLACE "${__toolchainVersionRegex}" "\\1" __toolchainVersionStr "${__toolchainVersionStr}" )
546 string( REGEX REPLACE "-clang3[.][0-9]$" "-${__toolchainVersionStr}" __gcc_toolchain "${__toolchain}" )
548 string( REGEX REPLACE "-clang3[.][0-9]$" "-4.6" __gcc_toolchain "${__toolchain}" )
550 unset( __toolchainVersionStr )
551 unset( __toolchainVersionRegex )
553 set( __gcc_toolchain "${__toolchain}" )
555 __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK_TOOLCHAINS_PATH}/${__gcc_toolchain}${__toolchain_subpath}" )
557 string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9x]+)?$" __version "${__gcc_toolchain}" )
558 if( __machine MATCHES x86_64 )
559 set( __arch "x86_64" )
560 elseif( __machine MATCHES i686 )
562 elseif( __machine MATCHES aarch64 )
563 set( __arch "arm64" )
564 elseif( __machine MATCHES arm )
566 elseif( __machine MATCHES mips64el )
567 set( __arch "mips64" )
568 elseif( __machine MATCHES mipsel )
573 #message("machine: !${__machine}!\narch: !${__arch}!\nversion: !${__version}!\ntoolchain: !${__toolchain}!\n")
575 list( APPEND __availableToolchainMachines "${__machine}" )
576 list( APPEND __availableToolchainArchs "${__arch}" )
577 list( APPEND __availableToolchainCompilerVersions "${__version}" )
578 list( APPEND ${__availableToolchainsVar} "${__toolchain}" )
581 unset( __gcc_toolchain )
585 # get all the details about NDK
586 if( BUILD_WITH_ANDROID_NDK )
587 file( GLOB ANDROID_SUPPORTED_NATIVE_API_LEVELS RELATIVE "${ANDROID_NDK}/platforms" "${ANDROID_NDK}/platforms/android-*" )
588 string( REPLACE "android-" "" ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_SUPPORTED_NATIVE_API_LEVELS}" )
589 set( __availableToolchains "" )
590 set( __availableToolchainMachines "" )
591 set( __availableToolchainArchs "" )
592 set( __availableToolchainCompilerVersions "" )
593 if( ANDROID_TOOLCHAIN_NAME AND EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_TOOLCHAIN_NAME}/" )
594 # do not go through all toolchains if we know the name
595 set( __availableToolchainsLst "${ANDROID_TOOLCHAIN_NAME}" )
596 __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" )
597 if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 )
598 __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" )
599 if( __availableToolchains )
600 set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} )
604 if( NOT __availableToolchains )
605 file( GLOB __availableToolchainsLst RELATIVE "${ANDROID_NDK_TOOLCHAINS_PATH}" "${ANDROID_NDK_TOOLCHAINS_PATH}/*" )
606 if( __availableToolchainsLst )
607 list(SORT __availableToolchainsLst) # we need clang to go after gcc
609 __LIST_FILTER( __availableToolchainsLst "^[.]" )
610 __LIST_FILTER( __availableToolchainsLst "llvm" )
611 __LIST_FILTER( __availableToolchainsLst "renderscript" )
612 __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" )
613 if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 )
614 __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" )
615 if( __availableToolchains )
616 set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} )
620 if( NOT __availableToolchains )
621 message( FATAL_ERROR "Could not find any working toolchain in the NDK. Probably your Android NDK is broken." )
625 # build list of available ABIs
626 set( ANDROID_SUPPORTED_ABIS "" )
627 set( __uniqToolchainArchNames ${__availableToolchainArchs} )
628 list( REMOVE_DUPLICATES __uniqToolchainArchNames )
629 list( SORT __uniqToolchainArchNames )
630 foreach( __arch ${__uniqToolchainArchNames} )
631 list( APPEND ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${__arch}} )
633 unset( __uniqToolchainArchNames )
634 if( NOT ANDROID_SUPPORTED_ABIS )
635 message( FATAL_ERROR "No one of known Android ABIs is supported by this cmake toolchain." )
639 __INIT_VARIABLE( ANDROID_ABI VALUES ${ANDROID_SUPPORTED_ABIS} )
640 # verify that target ABI is supported
641 list( FIND ANDROID_SUPPORTED_ABIS "${ANDROID_ABI}" __androidAbiIdx )
642 if( __androidAbiIdx EQUAL -1 )
643 string( REPLACE ";" "\", \"" PRINTABLE_ANDROID_SUPPORTED_ABIS "${ANDROID_SUPPORTED_ABIS}" )
644 message( FATAL_ERROR "Specified ANDROID_ABI = \"${ANDROID_ABI}\" is not supported by this cmake toolchain or your NDK/toolchain.
645 Supported values are: \"${PRINTABLE_ANDROID_SUPPORTED_ABIS}\"
648 unset( __androidAbiIdx )
650 # set target ABI options
651 if( ANDROID_ABI STREQUAL "x86" )
653 set( ANDROID_NDK_ABI_NAME "x86" )
654 set( ANDROID_ARCH_NAME "x86" )
655 set( ANDROID_LLVM_TRIPLE "i686-none-linux-android" )
656 set( CMAKE_SYSTEM_PROCESSOR "i686" )
657 elseif( ANDROID_ABI STREQUAL "x86_64" )
660 set( ANDROID_NDK_ABI_NAME "x86_64" )
661 set( ANDROID_ARCH_NAME "x86_64" )
662 set( CMAKE_SYSTEM_PROCESSOR "x86_64" )
663 set( ANDROID_LLVM_TRIPLE "x86_64-none-linux-android" )
664 elseif( ANDROID_ABI STREQUAL "mips64" )
666 set( ANDROID_NDK_ABI_NAME "mips64" )
667 set( ANDROID_ARCH_NAME "mips64" )
668 set( ANDROID_LLVM_TRIPLE "mips64el-none-linux-android" )
669 set( CMAKE_SYSTEM_PROCESSOR "mips64" )
670 elseif( ANDROID_ABI STREQUAL "mips" )
672 set( ANDROID_NDK_ABI_NAME "mips" )
673 set( ANDROID_ARCH_NAME "mips" )
674 set( ANDROID_LLVM_TRIPLE "mipsel-none-linux-android" )
675 set( CMAKE_SYSTEM_PROCESSOR "mips" )
676 elseif( ANDROID_ABI STREQUAL "arm64-v8a" )
677 set( ARM64_V8A true )
678 set( ANDROID_NDK_ABI_NAME "arm64-v8a" )
679 set( ANDROID_ARCH_NAME "arm64" )
680 set( ANDROID_LLVM_TRIPLE "aarch64-none-linux-android" )
681 set( CMAKE_SYSTEM_PROCESSOR "aarch64" )
684 elseif( ANDROID_ABI STREQUAL "armeabi" )
686 set( ANDROID_NDK_ABI_NAME "armeabi" )
687 set( ANDROID_ARCH_NAME "arm" )
688 set( ANDROID_LLVM_TRIPLE "armv5te-none-linux-androideabi" )
689 set( CMAKE_SYSTEM_PROCESSOR "armv5te" )
690 elseif( ANDROID_ABI STREQUAL "armeabi-v6 with VFP" )
691 set( ARMEABI_V6 true )
692 set( ANDROID_NDK_ABI_NAME "armeabi" )
693 set( ANDROID_ARCH_NAME "arm" )
694 set( ANDROID_LLVM_TRIPLE "armv5te-none-linux-androideabi" )
695 set( CMAKE_SYSTEM_PROCESSOR "armv6" )
696 # need always fallback to older platform
698 elseif( ANDROID_ABI STREQUAL "armeabi-v7a")
699 set( ARMEABI_V7A true )
700 set( ANDROID_NDK_ABI_NAME "armeabi-v7a" )
701 set( ANDROID_ARCH_NAME "arm" )
702 set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" )
703 set( CMAKE_SYSTEM_PROCESSOR "armv7-a" )
704 elseif( ANDROID_ABI STREQUAL "armeabi-v7a with VFPV3" )
705 set( ARMEABI_V7A true )
706 set( ANDROID_NDK_ABI_NAME "armeabi-v7a" )
707 set( ANDROID_ARCH_NAME "arm" )
708 set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" )
709 set( CMAKE_SYSTEM_PROCESSOR "armv7-a" )
711 elseif( ANDROID_ABI STREQUAL "armeabi-v7a with NEON" )
712 set( ARMEABI_V7A true )
713 set( ANDROID_NDK_ABI_NAME "armeabi-v7a" )
714 set( ANDROID_ARCH_NAME "arm" )
715 set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" )
716 set( CMAKE_SYSTEM_PROCESSOR "armv7-a" )
719 elseif( ANDROID_ABI STREQUAL "armeabi-v7a-hard with NEON" )
720 set( ARMEABI_V7A_HARD true )
721 set( ANDROID_NDK_ABI_NAME "armeabi-v7a-hard" )
722 set( ANDROID_ARCH_NAME "arm" )
723 set( ANDROID_LLVM_TRIPLE "armv7-none-linux-androideabi" )
724 set( CMAKE_SYSTEM_PROCESSOR "armv7-a" )
728 message( SEND_ERROR "Unknown ANDROID_ABI=\"${ANDROID_ABI}\" is specified." )
731 if( CMAKE_BINARY_DIR AND EXISTS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" )
733 # it is not possible to change CMAKE_SYSTEM_PROCESSOR after the first run...
734 file( APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" "SET(CMAKE_SYSTEM_PROCESSOR \"${CMAKE_SYSTEM_PROCESSOR}\")\n" )
737 if( ANDROID_ARCH_NAME STREQUAL "arm" AND NOT ARMEABI_V6 )
738 __INIT_VARIABLE( ANDROID_FORCE_ARM_BUILD VALUES OFF )
739 set( ANDROID_FORCE_ARM_BUILD ${ANDROID_FORCE_ARM_BUILD} CACHE BOOL "Use 32-bit ARM instructions instead of Thumb-1" FORCE )
740 mark_as_advanced( ANDROID_FORCE_ARM_BUILD )
742 unset( ANDROID_FORCE_ARM_BUILD CACHE )
746 if( ANDROID_TOOLCHAIN_NAME )
747 list( FIND __availableToolchains "${ANDROID_TOOLCHAIN_NAME}" __toolchainIdx )
748 if( __toolchainIdx EQUAL -1 )
749 list( SORT __availableToolchains )
750 string( REPLACE ";" "\n * " toolchains_list "${__availableToolchains}" )
751 set( toolchains_list " * ${toolchains_list}")
752 message( FATAL_ERROR "Specified toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is missing in your NDK or broken. Please verify that your NDK is working or select another compiler toolchain.
753 To configure the toolchain set CMake variable ANDROID_TOOLCHAIN_NAME to one of the following values:\n${toolchains_list}\n" )
755 list( GET __availableToolchainArchs ${__toolchainIdx} __toolchainArch )
756 if( NOT __toolchainArch STREQUAL ANDROID_ARCH_NAME )
757 message( SEND_ERROR "Selected toolchain \"${ANDROID_TOOLCHAIN_NAME}\" is not able to compile binaries for the \"${ANDROID_ARCH_NAME}\" platform." )
760 set( __toolchainIdx -1 )
761 set( __applicableToolchains "" )
762 set( __toolchainMaxVersion "0.0.0" )
763 list( LENGTH __availableToolchains __availableToolchainsCount )
764 math( EXPR __availableToolchainsCount "${__availableToolchainsCount}-1" )
765 foreach( __idx RANGE ${__availableToolchainsCount} )
766 list( GET __availableToolchainArchs ${__idx} __toolchainArch )
767 if( __toolchainArch STREQUAL ANDROID_ARCH_NAME )
768 list( GET __availableToolchainCompilerVersions ${__idx} __toolchainVersion )
769 string( REPLACE "x" "99" __toolchainVersion "${__toolchainVersion}")
770 if( __toolchainVersion VERSION_GREATER __toolchainMaxVersion )
771 set( __toolchainMaxVersion "${__toolchainVersion}" )
772 set( __toolchainIdx ${__idx} )
776 unset( __availableToolchainsCount )
777 unset( __toolchainMaxVersion )
778 unset( __toolchainVersion )
780 unset( __toolchainArch )
781 if( __toolchainIdx EQUAL -1 )
782 message( FATAL_ERROR "No one of available compiler toolchains is able to compile for ${ANDROID_ARCH_NAME} platform." )
784 list( GET __availableToolchains ${__toolchainIdx} ANDROID_TOOLCHAIN_NAME )
785 list( GET __availableToolchainMachines ${__toolchainIdx} ANDROID_TOOLCHAIN_MACHINE_NAME )
786 list( GET __availableToolchainCompilerVersions ${__toolchainIdx} ANDROID_COMPILER_VERSION )
788 unset( __toolchainIdx )
789 unset( __availableToolchains )
790 unset( __availableToolchainMachines )
791 unset( __availableToolchainArchs )
792 unset( __availableToolchainCompilerVersions )
794 # choose native API level
795 __INIT_VARIABLE( ANDROID_NATIVE_API_LEVEL ENV_ANDROID_NATIVE_API_LEVEL ANDROID_API_LEVEL ENV_ANDROID_API_LEVEL ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME} ANDROID_DEFAULT_NDK_API_LEVEL )
796 string( REPLACE "android-" "" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" )
797 string( STRIP "${ANDROID_NATIVE_API_LEVEL}" ANDROID_NATIVE_API_LEVEL )
799 set( __real_api_level ${ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME}} )
800 foreach( __level ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} )
801 if( (__level LESS ANDROID_NATIVE_API_LEVEL OR __level STREQUAL ANDROID_NATIVE_API_LEVEL) AND NOT __level LESS __real_api_level )
802 set( __real_api_level ${__level} )
805 if( __real_api_level AND NOT ANDROID_NATIVE_API_LEVEL STREQUAL __real_api_level )
806 message( STATUS "Adjusting Android API level 'android-${ANDROID_NATIVE_API_LEVEL}' to 'android-${__real_api_level}'")
807 set( ANDROID_NATIVE_API_LEVEL ${__real_api_level} )
809 unset(__real_api_level)
811 list( FIND ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_NATIVE_API_LEVEL}" __levelIdx )
812 if( __levelIdx EQUAL -1 )
813 message( SEND_ERROR "Specified Android native API level 'android-${ANDROID_NATIVE_API_LEVEL}' is not supported by your NDK/toolchain." )
815 if( BUILD_WITH_ANDROID_NDK )
816 __DETECT_NATIVE_API_LEVEL( __realApiLevel "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}/usr/include/android/api-level.h" )
817 if( NOT __realApiLevel EQUAL ANDROID_NATIVE_API_LEVEL AND NOT __realApiLevel GREATER 9000 )
818 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." )
820 unset( __realApiLevel )
822 set( ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" CACHE STRING "Android API level for native code" FORCE )
823 set( CMAKE_ANDROID_API ${ANDROID_NATIVE_API_LEVEL} )
824 if( CMAKE_VERSION VERSION_GREATER "2.8" )
825 list( SORT ANDROID_SUPPORTED_NATIVE_API_LEVELS )
826 set_property( CACHE ANDROID_NATIVE_API_LEVEL PROPERTY STRINGS ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} )
832 # remember target ABI
833 set( ANDROID_ABI "${ANDROID_ABI}" CACHE STRING "The target ABI for Android. If arm, then armeabi-v7a is recommended for hardware floating point." FORCE )
834 if( CMAKE_VERSION VERSION_GREATER "2.8" )
835 list( SORT ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME} )
836 set_property( CACHE ANDROID_ABI PROPERTY STRINGS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_NAME}} )
840 # runtime choice (STL, rtti, exceptions)
841 if( NOT ANDROID_STL )
842 set( ANDROID_STL gnustl_static )
844 set( ANDROID_STL "${ANDROID_STL}" CACHE STRING "C++ runtime" )
845 set( ANDROID_STL_FORCE_FEATURES ON CACHE BOOL "automatically configure rtti and exceptions support based on C++ runtime" )
846 mark_as_advanced( ANDROID_STL ANDROID_STL_FORCE_FEATURES )
848 if( BUILD_WITH_ANDROID_NDK )
849 if( NOT "${ANDROID_STL}" MATCHES "^(none|system|system_re|gabi\\+\\+_static|gabi\\+\\+_shared|stlport_static|stlport_shared|gnustl_static|gnustl_shared|c\\+\\+_static|c\\+\\+_shared)$")
850 message( FATAL_ERROR "ANDROID_STL is set to invalid value \"${ANDROID_STL}\".
851 The possible values are:
852 none -> Do not configure the runtime.
853 system -> Use the default minimal system C++ runtime library.
854 system_re -> Same as system but with rtti and exceptions.
855 gabi++_static -> Use the GAbi++ runtime as a static library.
856 gabi++_shared -> Use the GAbi++ runtime as a shared library.
857 stlport_static -> Use the STLport runtime as a static library.
858 stlport_shared -> Use the STLport runtime as a shared library.
859 gnustl_static -> (default) Use the GNU STL as a static library.
860 gnustl_shared -> Use the GNU STL as a shared library.
861 c++_shared -> Use the LLVM libc++ runtime as a shared library.
862 c++_static -> Use the LLVM libc++ runtime as a static library.
865 elseif( BUILD_WITH_STANDALONE_TOOLCHAIN )
866 if( NOT "${ANDROID_STL}" MATCHES "^(none|gnustl_static|gnustl_shared|c\\+\\+_static|c\\+\\+_shared)$")
867 message( FATAL_ERROR "ANDROID_STL is set to invalid value \"${ANDROID_STL}\".
868 The possible values are:
869 none -> Do not configure the runtime.
870 gnustl_static -> (default) Use the GNU STL as a static library.
871 gnustl_shared -> Use the GNU STL as a shared library.
872 c++_shared -> Use the LLVM libc++ runtime as a shared library.
873 c++_static -> Use the LLVM libc++ runtime as a static library.
878 unset( ANDROID_RTTI )
879 unset( ANDROID_EXCEPTIONS )
880 unset( ANDROID_STL_INCLUDE_DIRS )
884 if( NOT _CMAKE_IN_TRY_COMPILE AND ANDROID_NDK_RELEASE STREQUAL "r7b" AND ARMEABI_V7A AND NOT VFPV3 AND ANDROID_STL MATCHES "gnustl" )
885 message( WARNING "The GNU STL armeabi-v7a binaries from NDK r7b can crash non-NEON devices. The files provided with NDK r7b were not configured properly, resulting in crashes on Tegra2-based devices and others when trying to use certain floating-point functions (e.g., cosf, sinf, expf).
886 You are strongly recommended to switch to another NDK release.
890 if( NOT _CMAKE_IN_TRY_COMPILE AND X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" )
891 message( WARNING "The x86 system header file from NDK r6 has incorrect definition for ptrdiff_t. You are recommended to upgrade to a newer NDK release or manually patch the header:
892 See https://android.googlesource.com/platform/development.git f907f4f9d4e56ccc8093df6fee54454b8bcab6c2
893 diff --git a/ndk/platforms/android-9/arch-x86/include/machine/_types.h b/ndk/platforms/android-9/arch-x86/include/machine/_types.h
894 index 5e28c64..65892a1 100644
895 --- a/ndk/platforms/android-9/arch-x86/include/machine/_types.h
896 +++ b/ndk/platforms/android-9/arch-x86/include/machine/_types.h
897 @@ -51,7 +51,11 @@ typedef long int ssize_t;
901 -typedef long ptrdiff_t;
903 + typedef int ptrdiff_t;
905 + typedef long ptrdiff_t;
912 # setup paths and STL for standalone toolchain
913 if( BUILD_WITH_STANDALONE_TOOLCHAIN )
914 set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" )
915 set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" )
916 set( ANDROID_SYSROOT "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot" )
918 if( NOT ANDROID_STL STREQUAL "none" )
919 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/include/c++/${ANDROID_COMPILER_VERSION}" )
920 if( NOT EXISTS "${ANDROID_STL_INCLUDE_DIRS}" )
921 # old location ( pre r8c )
922 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}" )
924 if( (ARMEABI_V7A OR ARMEABI_V7A_HARD) AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}/bits" )
925 list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/${CMAKE_SYSTEM_PROCESSOR}" )
926 elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb/bits" )
927 list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb" )
929 list( APPEND ANDROID_STL_INCLUDE_DIRS "${ANDROID_STL_INCLUDE_DIRS}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" )
931 # always search static GNU STL to get the location of libsupc++.a
932 if( (ARMEABI_V7A OR ARMEABI_V7A_HARD) AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libstdc++.a" )
933 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb" )
934 elseif( (ARMEABI_V7A OR ARMEABI_V7A_HARD) AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libstdc++.a" )
935 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}" )
936 elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libstdc++.a" )
937 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb" )
938 elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libstdc++.a" )
939 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib" )
942 set( __libsupcxx "${__libstl}/libsupc++.a" )
943 set( __libstl "${__libstl}/libstdc++.a" )
945 if( NOT EXISTS "${__libsupcxx}" )
946 message( FATAL_ERROR "The required libstdsupc++.a is missing in your standalone toolchain.
947 Usually it happens because of bug in make-standalone-toolchain.sh script from NDK r7, r7b and r7c.
948 You need to either upgrade to newer NDK or manually copy
949 $ANDROID_NDK/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a
954 if( ANDROID_STL STREQUAL "gnustl_shared" )
955 if( (ARMEABI_V7A OR ARMEABI_V7A_HARD) AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" )
956 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libgnustl_shared.so" )
957 elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD AND EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" )
958 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libgnustl_shared.so" )
959 elseif( EXISTS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" )
960 set( __libstl "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libgnustl_shared.so" )
967 if( "${ANDROID_TOOLCHAIN_NAME}" STREQUAL "standalone-clang" )
968 set( ANDROID_COMPILER_IS_CLANG 1 )
969 execute_process( COMMAND "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/clang${TOOL_OS_SUFFIX}" --version OUTPUT_VARIABLE ANDROID_CLANG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE )
970 string( REGEX MATCH "[0-9]+[.][0-9]+" ANDROID_CLANG_VERSION "${ANDROID_CLANG_VERSION}")
971 elseif( "${ANDROID_TOOLCHAIN_NAME}" MATCHES "-clang3[.][0-9]?$" )
972 string( REGEX MATCH "3[.][0-9]$" ANDROID_CLANG_VERSION "${ANDROID_TOOLCHAIN_NAME}")
973 string( REGEX REPLACE "-clang${ANDROID_CLANG_VERSION}$" "-${ANDROID_COMPILER_VERSION}" ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" )
974 if( NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}/bin/clang${TOOL_OS_SUFFIX}" )
975 message( FATAL_ERROR "Could not find the Clang compiler driver" )
977 set( ANDROID_COMPILER_IS_CLANG 1 )
978 set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" )
980 set( ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" )
981 unset( ANDROID_COMPILER_IS_CLANG CACHE )
984 string( REPLACE "." "" _clang_name "clang${ANDROID_CLANG_VERSION}" )
985 if( NOT EXISTS "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" )
986 set( _clang_name "clang" )
990 # setup paths and STL for NDK
991 if( BUILD_WITH_ANDROID_NDK )
992 set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" )
993 set( ANDROID_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}" )
995 if( ANDROID_STL STREQUAL "none" )
997 elseif( ANDROID_STL STREQUAL "system" )
998 set( ANDROID_RTTI OFF )
999 set( ANDROID_EXCEPTIONS OFF )
1000 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" )
1001 elseif( ANDROID_STL STREQUAL "system_re" )
1002 set( ANDROID_RTTI ON )
1003 set( ANDROID_EXCEPTIONS ON )
1004 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/system/include" )
1005 elseif( ANDROID_STL MATCHES "gabi" )
1006 if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7
1007 message( FATAL_ERROR "gabi++ is not available in your NDK. You have to upgrade to NDK r7 or newer to use gabi++.")
1009 set( ANDROID_RTTI ON )
1010 set( ANDROID_EXCEPTIONS OFF )
1011 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/gabi++/include" )
1012 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gabi++/libs/${ANDROID_NDK_ABI_NAME}/libgabi++_static.a" )
1013 elseif( ANDROID_STL MATCHES "stlport" )
1014 if( NOT ANDROID_NDK_RELEASE_NUM LESS 8004 ) # before r8d
1015 set( ANDROID_EXCEPTIONS ON )
1017 set( ANDROID_EXCEPTIONS OFF )
1019 if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7
1020 set( ANDROID_RTTI OFF )
1022 set( ANDROID_RTTI ON )
1024 set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_NDK}/sources/cxx-stl/stlport/stlport" )
1025 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/stlport/libs/${ANDROID_NDK_ABI_NAME}/libstlport_static.a" )
1026 elseif( ANDROID_STL MATCHES "gnustl" )
1027 set( ANDROID_EXCEPTIONS ON )
1028 set( ANDROID_RTTI ON )
1029 if( EXISTS "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" )
1030 if( ARMEABI_V7A AND ANDROID_COMPILER_VERSION VERSION_EQUAL "4.7" AND ANDROID_NDK_RELEASE STREQUAL "r8d" )
1031 # gnustl binary for 4.7 compiler is buggy :(
1032 # TODO: look for right fix
1033 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/4.6" )
1035 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" )
1038 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++" )
1040 set( ANDROID_STL_INCLUDE_DIRS "${__libstl}/include" "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/include" "${__libstl}/include/backward" )
1041 if( EXISTS "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" )
1042 set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libgnustl_static.a" )
1044 set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libstdc++.a" )
1046 elseif( ANDROID_STL MATCHES "c\\+\\+" )
1047 set( ANDROID_EXCEPTIONS ON )
1048 set( ANDROID_RTTI ON )
1049 set( __libstl "${ANDROID_NDK}/sources/cxx-stl/llvm-libc++" )
1050 set( __libstl "${__libstl}/libs/${ANDROID_NDK_ABI_NAME}/libc++_static.a" )
1051 set( __libgnustl "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}" )
1052 set( ANDROID_STL_INCLUDE_DIRS "${__libgnustl}/include" "${__libgnustl}/libs/${ANDROID_NDK_ABI_NAME}/include" "${__libgnustl}/include/backward" )
1054 message( FATAL_ERROR "Unknown runtime: ${ANDROID_STL}" )
1057 # find libsupc++.a - rtti & exceptions
1058 if( ANDROID_STL STREQUAL "system_re" OR ANDROID_STL MATCHES "gnustl" )
1059 set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) # r8b or newer
1060 if( NOT EXISTS "${__libsupcxx}" )
1061 set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) # r7-r8
1063 if( NOT EXISTS "${__libsupcxx}" ) # before r7
1065 if( ANDROID_FORCE_ARM_BUILD )
1066 set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/libsupc++.a" )
1068 set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libsupc++.a" )
1070 elseif( ARMEABI AND NOT ANDROID_FORCE_ARM_BUILD )
1071 set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/thumb/libsupc++.a" )
1073 set( __libsupcxx "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" )
1076 if( NOT EXISTS "${__libsupcxx}")
1077 message( ERROR "Could not find libsupc++.a for a chosen platform. Either your NDK is not supported or is broken.")
1083 # case of shared STL linkage
1084 if( ANDROID_STL MATCHES "shared" AND DEFINED __libstl )
1085 string( REPLACE "_static.a" "_shared.so" __libstl "${__libstl}" )
1086 if( NOT EXISTS "${__libstl}" )
1087 message( FATAL_ERROR "Unable to find shared library ${__libstl}" )
1093 __INIT_VARIABLE( _ndk_ccache NDK_CCACHE ENV_NDK_CCACHE )
1095 if( DEFINED NDK_CCACHE AND NOT EXISTS NDK_CCACHE )
1096 unset( NDK_CCACHE CACHE )
1098 find_program( NDK_CCACHE "${_ndk_ccache}" DOC "The path to ccache binary")
1100 unset( NDK_CCACHE CACHE )
1102 unset( _ndk_ccache )
1105 # setup the cross-compiler
1106 if( NOT CMAKE_C_COMPILER )
1107 if( NDK_CCACHE AND NOT ANDROID_SYSROOT MATCHES "[ ;\"]" )
1108 set( CMAKE_C_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C compiler" )
1109 set( CMAKE_CXX_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C++ compiler" )
1110 if( ANDROID_COMPILER_IS_CLANG )
1111 set( CMAKE_C_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler")
1112 set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler")
1114 set( CMAKE_C_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler")
1115 set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler")
1118 if( ANDROID_COMPILER_IS_CLANG )
1119 set( CMAKE_C_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}${TOOL_OS_SUFFIX}" CACHE PATH "C compiler")
1120 set( CMAKE_CXX_COMPILER "${ANDROID_CLANG_TOOLCHAIN_ROOT}/bin/${_clang_name}++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler")
1122 set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "C compiler" )
1123 set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "C++ compiler" )
1126 set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "assembler" )
1127 set( CMAKE_STRIP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" )
1128 if( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc-ar${TOOL_OS_SUFFIX}" )
1129 # Use gcc-ar if we have it for better LTO support.
1130 set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" )
1132 set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" )
1134 set( CMAKE_LINKER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" )
1135 set( CMAKE_NM "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-nm${TOOL_OS_SUFFIX}" CACHE PATH "nm" )
1136 set( CMAKE_OBJCOPY "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-objcopy${TOOL_OS_SUFFIX}" CACHE PATH "objcopy" )
1137 set( CMAKE_OBJDUMP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-objdump${TOOL_OS_SUFFIX}" CACHE PATH "objdump" )
1138 set( CMAKE_RANLIB "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ranlib${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" )
1141 set( _CMAKE_TOOLCHAIN_PREFIX "${ANDROID_TOOLCHAIN_MACHINE_NAME}-" )
1142 if( CMAKE_VERSION VERSION_LESS 2.8.5 )
1143 set( CMAKE_ASM_COMPILER_ARG1 "-c" )
1146 find_program( CMAKE_INSTALL_NAME_TOOL NAMES install_name_tool )
1147 if( NOT CMAKE_INSTALL_NAME_TOOL )
1148 message( FATAL_ERROR "Could not find install_name_tool, please check your installation." )
1150 mark_as_advanced( CMAKE_INSTALL_NAME_TOOL )
1153 # Force set compilers because standard identification works badly for us
1154 include( CMakeForceCompiler )
1155 CMAKE_FORCE_C_COMPILER( "${CMAKE_C_COMPILER}" GNU )
1156 if( ANDROID_COMPILER_IS_CLANG )
1157 set( CMAKE_C_COMPILER_ID Clang )
1159 set( CMAKE_C_PLATFORM_ID Linux )
1160 if( X86_64 OR MIPS64 OR ARM64_V8A )
1161 set( CMAKE_C_SIZEOF_DATA_PTR 8 )
1163 set( CMAKE_C_SIZEOF_DATA_PTR 4 )
1165 set( CMAKE_C_HAS_ISYSROOT 1 )
1166 set( CMAKE_C_COMPILER_ABI ELF )
1167 CMAKE_FORCE_CXX_COMPILER( "${CMAKE_CXX_COMPILER}" GNU )
1168 if( ANDROID_COMPILER_IS_CLANG )
1169 set( CMAKE_CXX_COMPILER_ID Clang)
1171 set( CMAKE_CXX_PLATFORM_ID Linux )
1172 set( CMAKE_CXX_SIZEOF_DATA_PTR ${CMAKE_C_SIZEOF_DATA_PTR} )
1173 set( CMAKE_CXX_HAS_ISYSROOT 1 )
1174 set( CMAKE_CXX_COMPILER_ABI ELF )
1175 set( CMAKE_CXX_SOURCE_FILE_EXTENSIONS cc cp cxx cpp CPP c++ C )
1176 # force ASM compiler (required for CMake < 2.8.5)
1177 set( CMAKE_ASM_COMPILER_ID_RUN TRUE )
1178 set( CMAKE_ASM_COMPILER_ID GNU )
1179 set( CMAKE_ASM_COMPILER_WORKS TRUE )
1180 set( CMAKE_ASM_COMPILER_FORCED TRUE )
1181 set( CMAKE_COMPILER_IS_GNUASM 1)
1182 set( CMAKE_ASM_SOURCE_FILE_EXTENSIONS s S asm )
1184 foreach( lang C CXX ASM )
1185 if( ANDROID_COMPILER_IS_CLANG )
1186 set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_CLANG_VERSION} )
1188 set( CMAKE_${lang}_COMPILER_VERSION ${ANDROID_COMPILER_VERSION} )
1192 # flags and definitions
1193 remove_definitions( -DANDROID )
1194 add_definitions( -DANDROID )
1196 if( ANDROID_SYSROOT MATCHES "[ ;\"]" )
1197 if( CMAKE_HOST_WIN32 )
1198 # try to convert path to 8.3 form
1199 file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "@echo %~s1" )
1200 execute_process( COMMAND "$ENV{ComSpec}" /c "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "${ANDROID_SYSROOT}"
1201 OUTPUT_VARIABLE __path OUTPUT_STRIP_TRAILING_WHITESPACE
1202 RESULT_VARIABLE __result ERROR_QUIET )
1203 if( __result EQUAL 0 )
1204 file( TO_CMAKE_PATH "${__path}" ANDROID_SYSROOT )
1205 set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" )
1207 set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" )
1210 set( ANDROID_CXX_FLAGS "'--sysroot=${ANDROID_SYSROOT}'" )
1212 if( NOT _CMAKE_IN_TRY_COMPILE )
1213 # quotes can break try_compile and compiler identification
1214 message(WARNING "Path to your Android NDK (or toolchain) has non-alphanumeric symbols.\nThe build might be broken.\n")
1217 set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" )
1222 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" )
1223 set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" )
1224 set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" )
1225 if( NOT ANDROID_COMPILER_IS_CLANG )
1226 set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" )
1228 elseif( ARMEABI OR ARMEABI_V7A OR ARMEABI_V7A_HARD)
1229 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" )
1230 if( NOT ANDROID_FORCE_ARM_BUILD AND NOT ARMEABI_V6 )
1231 set( ANDROID_CXX_FLAGS_RELEASE "-mthumb -fomit-frame-pointer -fno-strict-aliasing" )
1232 set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" )
1233 if( NOT ANDROID_COMPILER_IS_CLANG )
1234 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -finline-limit=64" )
1237 # always compile ARMEABI_V6 in arm mode; otherwise there is no difference from ARMEABI
1238 set( ANDROID_CXX_FLAGS_RELEASE "-marm -fomit-frame-pointer -fstrict-aliasing" )
1239 set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" )
1240 if( NOT ANDROID_COMPILER_IS_CLANG )
1241 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" )
1244 elseif( X86 OR X86_64 )
1245 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" )
1246 if( NOT ANDROID_COMPILER_IS_CLANG )
1247 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" )
1249 set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" )
1250 set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" )
1251 elseif( MIPS OR MIPS64 )
1252 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-strict-aliasing -finline-functions -funwind-tables -fmessage-length=0" )
1253 set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer" )
1254 set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer" )
1255 if( NOT ANDROID_COMPILER_IS_CLANG )
1256 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" )
1257 set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" )
1260 set( ANDROID_CXX_FLAGS_RELEASE "" )
1261 set( ANDROID_CXX_FLAGS_DEBUG "" )
1264 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) # good/necessary when porting desktop libraries
1266 if( NOT X86 AND NOT ANDROID_COMPILER_IS_CLANG )
1267 set( ANDROID_CXX_FLAGS "-Wno-psabi ${ANDROID_CXX_FLAGS}" )
1270 if( NOT ANDROID_COMPILER_VERSION VERSION_LESS "4.6" )
1271 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -no-canonical-prefixes" ) # see https://android-review.googlesource.com/#/c/47564/
1274 # ABI-specific flags
1275 if( ARMEABI_V7A_HARD )
1276 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mfloat-abi=hard -mhard-float -D_NDK_MATH_NO_SOFTFP=1" )
1278 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" )
1280 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3" )
1282 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3-d16" )
1284 elseif( ARMEABI_V7A )
1285 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mfloat-abi=softfp" )
1287 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=neon" )
1289 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3" )
1291 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -mfpu=vfpv3-d16" )
1294 elseif( ARMEABI_V6 )
1295 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv6 -mfloat-abi=softfp -mfpu=vfp" ) # vfp == vfpv2
1297 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv5te -mtune=xscale -msoft-float" )
1300 if( ANDROID_STL MATCHES "gnustl" AND (EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}") )
1301 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>" )
1302 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>" )
1303 set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
1305 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>" )
1306 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>" )
1307 set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
1311 if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" )
1312 if( EXISTS "${__libstl}" )
1313 set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libstl}\"" )
1314 set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libstl}\"" )
1315 set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libstl}\"" )
1317 if( EXISTS "${__libsupcxx}" )
1318 set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" )
1319 set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" )
1320 set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} \"${__libsupcxx}\"" )
1322 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>" )
1323 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>" )
1324 set( CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
1325 set( CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY} \"${__libsupcxx}\"" )
1326 set( CMAKE_C_CREATE_SHARED_MODULE "${CMAKE_C_CREATE_SHARED_MODULE} \"${__libsupcxx}\"" )
1327 set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} \"${__libsupcxx}\"" )
1329 if( ANDROID_STL MATCHES "gnustl" )
1330 if( NOT EXISTS "${ANDROID_LIBM_PATH}" )
1331 set( ANDROID_LIBM_PATH -lm )
1333 set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${ANDROID_LIBM_PATH}" )
1334 set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${ANDROID_LIBM_PATH}" )
1335 set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${ANDROID_LIBM_PATH}" )
1339 # variables controlling optional build flags
1340 if( ANDROID_NDK_RELEASE_NUM LESS 7000 ) # before r7
1341 # libGLESv2.so in NDK's prior to r7 refers to missing external symbols.
1342 # So this flag option is required for all projects using OpenGL from native.
1343 __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES ON )
1345 __INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF )
1347 __INIT_VARIABLE( ANDROID_NO_UNDEFINED VALUES ON )
1348 __INIT_VARIABLE( ANDROID_FUNCTION_LEVEL_LINKING VALUES ON )
1349 __INIT_VARIABLE( ANDROID_GOLD_LINKER VALUES ON )
1350 __INIT_VARIABLE( ANDROID_NOEXECSTACK VALUES ON )
1351 __INIT_VARIABLE( ANDROID_RELRO VALUES ON )
1353 set( ANDROID_NO_UNDEFINED ${ANDROID_NO_UNDEFINED} CACHE BOOL "Show all undefined symbols as linker errors" )
1354 set( ANDROID_SO_UNDEFINED ${ANDROID_SO_UNDEFINED} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" )
1355 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" )
1356 set( ANDROID_GOLD_LINKER ${ANDROID_GOLD_LINKER} CACHE BOOL "Enables gold linker" )
1357 set( ANDROID_NOEXECSTACK ${ANDROID_NOEXECSTACK} CACHE BOOL "Allows or disallows undefined symbols in shared libraries" )
1358 set( ANDROID_RELRO ${ANDROID_RELRO} CACHE BOOL "Enables RELRO - a memory corruption mitigation technique" )
1359 mark_as_advanced( ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_FUNCTION_LEVEL_LINKING ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO )
1362 set( ANDROID_LINKER_FLAGS "" )
1365 # this is *required* to use the following linker flags that routes around
1366 # a CPU bug in some Cortex-A8 implementations:
1367 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--fix-cortex-a8" )
1370 if( ARMEABI_V7A_HARD )
1371 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-warn-mismatch -lm_hard" )
1374 if( ANDROID_NO_UNDEFINED )
1376 # there is some sysroot-related problem in mips linker...
1377 if( NOT ANDROID_SYSROOT MATCHES "[ ;\"]" )
1378 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib" )
1381 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" )
1385 if( ANDROID_SO_UNDEFINED )
1386 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-allow-shlib-undefined" )
1389 if( ANDROID_FUNCTION_LEVEL_LINKING )
1390 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fdata-sections -ffunction-sections" )
1391 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--gc-sections" )
1394 if( ANDROID_COMPILER_VERSION VERSION_EQUAL "4.6" )
1395 if( ANDROID_GOLD_LINKER AND (CMAKE_HOST_UNIX OR ANDROID_NDK_RELEASE_NUM GREATER 8002) AND (ARMEABI OR ARMEABI_V7A OR ARMEABI_V7A_HARD OR X86) )
1396 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=gold" )
1397 elseif( ANDROID_NDK_RELEASE_NUM GREATER 8002 ) # after r8b
1398 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=bfd" )
1399 elseif( ANDROID_NDK_RELEASE STREQUAL "r8b" AND ARMEABI AND NOT _CMAKE_IN_TRY_COMPILE )
1400 message( WARNING "The default bfd linker from arm GCC 4.6 toolchain can fail with 'unresolvable R_ARM_THM_CALL relocation' error message. See https://code.google.com/p/android/issues/detail?id=35342
1401 On Linux and OS X host platform you can workaround this problem using gold linker (default).
1402 Rerun cmake with -DANDROID_GOLD_LINKER=ON option in case of problems.
1405 endif() # version 4.6
1407 if( ANDROID_NOEXECSTACK )
1408 if( ANDROID_COMPILER_IS_CLANG )
1409 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Xclang -mnoexecstack" )
1411 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -Wa,--noexecstack" )
1413 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,noexecstack" )
1417 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,-z,relro -Wl,-z,now" )
1420 if( ANDROID_COMPILER_IS_CLANG )
1421 set( ANDROID_CXX_FLAGS "-target ${ANDROID_LLVM_TRIPLE} -Qunused-arguments ${ANDROID_CXX_FLAGS}" )
1422 if( BUILD_WITH_ANDROID_NDK )
1423 set( ANDROID_CXX_FLAGS "-gcc-toolchain ${ANDROID_TOOLCHAIN_ROOT} ${ANDROID_CXX_FLAGS}" )
1428 set( CMAKE_CXX_FLAGS "" CACHE STRING "c++ flags" )
1429 set( CMAKE_C_FLAGS "" CACHE STRING "c flags" )
1430 set( CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c++ Release flags" )
1431 set( CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "c Release flags" )
1432 set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c++ Debug flags" )
1433 set( CMAKE_C_FLAGS_DEBUG "-O0 -g -DDEBUG -D_DEBUG" CACHE STRING "c Debug flags" )
1434 set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared linker flags" )
1435 set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags" )
1436 set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker flags" )
1438 # put flags to cache (for debug purpose only)
1439 set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Android specific c/c++ flags" )
1440 set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE}" CACHE INTERNAL "Android specific c/c++ Release flags" )
1441 set( ANDROID_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG}" CACHE INTERNAL "Android specific c/c++ Debug flags" )
1442 set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Android specific c/c++ linker flags" )
1445 set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" )
1446 set( CMAKE_C_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_C_FLAGS}" )
1447 set( CMAKE_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_RELEASE}" )
1448 set( CMAKE_C_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} ${CMAKE_C_FLAGS_RELEASE}" )
1449 set( CMAKE_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_DEBUG}" )
1450 set( CMAKE_C_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} ${CMAKE_C_FLAGS_DEBUG}" )
1451 set( CMAKE_SHARED_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}" )
1452 set( CMAKE_MODULE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}" )
1453 set( CMAKE_EXE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" )
1455 if( MIPS AND BUILD_WITH_ANDROID_NDK AND ANDROID_NDK_RELEASE STREQUAL "r8" )
1456 set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_SHARED_LINKER_FLAGS}" )
1457 set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_MODULE_LINKER_FLAGS}" )
1458 set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.x ${CMAKE_EXE_LINKER_FLAGS}" )
1462 if( NOT (ANDROID_NATIVE_API_LEVEL LESS 16) AND (NOT DEFINED ANDROID_APP_PIE OR ANDROID_APP_PIE) AND (CMAKE_VERSION VERSION_GREATER 2.8.8) )
1463 set( CMAKE_POSITION_INDEPENDENT_CODE TRUE )
1464 set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fPIE -pie")
1466 set( CMAKE_POSITION_INDEPENDENT_CODE FALSE )
1467 set( CMAKE_CXX_FLAGS "-fpic ${CMAKE_CXX_FLAGS}" )
1468 set( CMAKE_C_FLAGS "-fpic ${CMAKE_C_FLAGS}" )
1472 if( DEFINED ANDROID_RTTI AND ANDROID_STL_FORCE_FEATURES )
1474 set( CMAKE_CXX_FLAGS "-frtti ${CMAKE_CXX_FLAGS}" )
1476 set( CMAKE_CXX_FLAGS "-fno-rtti ${CMAKE_CXX_FLAGS}" )
1480 # configure exceptios
1481 if( DEFINED ANDROID_EXCEPTIONS AND ANDROID_STL_FORCE_FEATURES )
1482 if( ANDROID_EXCEPTIONS )
1483 set( CMAKE_CXX_FLAGS "-fexceptions ${CMAKE_CXX_FLAGS}" )
1484 set( CMAKE_C_FLAGS "-fexceptions ${CMAKE_C_FLAGS}" )
1486 set( CMAKE_CXX_FLAGS "-fno-exceptions ${CMAKE_CXX_FLAGS}" )
1487 set( CMAKE_C_FLAGS "-fno-exceptions ${CMAKE_C_FLAGS}" )
1491 # global includes and link directories
1492 include_directories( SYSTEM "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} )
1493 get_filename_component(__android_install_path "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ABSOLUTE) # avoid CMP0015 policy warning
1494 link_directories( "${__android_install_path}" )
1496 # detect if need link crtbegin_so.o explicitly
1497 if( NOT DEFINED ANDROID_EXPLICIT_CRT_LINK )
1498 set( __cmd "${CMAKE_CXX_CREATE_SHARED_LIBRARY}" )
1499 string( REPLACE "<CMAKE_CXX_COMPILER>" "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" )
1500 string( REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" )
1501 string( REPLACE "<CMAKE_SHARED_LIBRARY_CXX_FLAGS>" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" )
1502 string( REPLACE "<LANGUAGE_COMPILE_FLAGS>" "" __cmd "${__cmd}" )
1503 string( REPLACE "<LINK_FLAGS>" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" )
1504 string( REPLACE "<CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS>" "-shared" __cmd "${__cmd}" )
1505 string( REPLACE "<CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG>" "" __cmd "${__cmd}" )
1506 string( REPLACE "<TARGET_SONAME>" "" __cmd "${__cmd}" )
1507 string( REPLACE "<TARGET>" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" )
1508 string( REPLACE "<OBJECTS>" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" )
1509 string( REPLACE "<LINK_LIBRARIES>" "" __cmd "${__cmd}" )
1510 separate_arguments( __cmd )
1511 foreach( __var ANDROID_NDK ANDROID_NDK_TOOLCHAINS_PATH ANDROID_STANDALONE_TOOLCHAIN )
1513 set( __tmp "${${__var}}" )
1514 separate_arguments( __tmp )
1515 string( REPLACE "${__tmp}" "${${__var}}" __cmd "${__cmd}")
1518 string( REPLACE "'" "" __cmd "${__cmd}" )
1519 string( REPLACE "\"" "" __cmd "${__cmd}" )
1520 execute_process( COMMAND ${__cmd} RESULT_VARIABLE __cmd_result OUTPUT_QUIET ERROR_QUIET )
1521 if( __cmd_result EQUAL 0 )
1522 set( ANDROID_EXPLICIT_CRT_LINK ON )
1524 set( ANDROID_EXPLICIT_CRT_LINK OFF )
1528 if( ANDROID_EXPLICIT_CRT_LINK )
1529 set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
1530 set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
1533 # setup output directories
1534 set( CMAKE_INSTALL_PREFIX "${ANDROID_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" )
1536 if( DEFINED LIBRARY_OUTPUT_PATH_ROOT
1537 OR EXISTS "${CMAKE_SOURCE_DIR}/AndroidManifest.xml"
1538 OR (EXISTS "${CMAKE_SOURCE_DIR}/../AndroidManifest.xml" AND EXISTS "${CMAKE_SOURCE_DIR}/../jni/") )
1539 set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "Root for binaries output, set this to change where Android libs are installed to" )
1540 if( NOT _CMAKE_IN_TRY_COMPILE )
1541 if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" )
1542 set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for applications" )
1544 set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications" )
1546 set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for Android libs" )
1550 # copy shaed stl library to build directory
1551 if( NOT _CMAKE_IN_TRY_COMPILE AND __libstl MATCHES "[.]so$" AND DEFINED LIBRARY_OUTPUT_PATH )
1552 get_filename_component( __libstlname "${__libstl}" NAME )
1553 execute_process( COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${__libstl}" "${LIBRARY_OUTPUT_PATH}/${__libstlname}" RESULT_VARIABLE __fileCopyProcess )
1554 if( NOT __fileCopyProcess EQUAL 0 OR NOT EXISTS "${LIBRARY_OUTPUT_PATH}/${__libstlname}")
1555 message( SEND_ERROR "Failed copying of ${__libstl} to the ${LIBRARY_OUTPUT_PATH}/${__libstlname}" )
1557 unset( __fileCopyProcess )
1558 unset( __libstlname )
1562 # set these global flags for cmake client scripts to change behavior
1564 set( BUILD_ANDROID True )
1566 # where is the target environment
1567 set( CMAKE_FIND_ROOT_PATH "${ANDROID_TOOLCHAIN_ROOT}/bin" "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" "${ANDROID_SYSROOT}" "${CMAKE_INSTALL_PREFIX}" "${CMAKE_INSTALL_PREFIX}/share" )
1569 # only search for libraries and includes in the ndk toolchain
1570 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
1571 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
1572 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
1575 # macro to find packages on the host OS
1576 macro( find_host_package )
1577 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
1578 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
1579 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER )
1580 if( CMAKE_HOST_WIN32 )
1583 elseif( CMAKE_HOST_APPLE )
1587 find_package( ${ARGN} )
1591 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
1592 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
1593 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
1597 # macro to find programs on the host OS
1598 macro( find_host_program )
1599 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
1600 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
1601 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER )
1602 if( CMAKE_HOST_WIN32 )
1605 elseif( CMAKE_HOST_APPLE )
1609 find_program( ${ARGN} )
1613 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
1614 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
1615 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
1619 # export toolchain settings for the try_compile() command
1620 if( NOT _CMAKE_IN_TRY_COMPILE )
1621 set( __toolchain_config "")
1622 foreach( __var NDK_CCACHE LIBRARY_OUTPUT_PATH_ROOT ANDROID_FORBID_SYGWIN
1623 ANDROID_NDK_HOST_X64
1626 ANDROID_STANDALONE_TOOLCHAIN
1627 ANDROID_TOOLCHAIN_NAME
1629 ANDROID_NATIVE_API_LEVEL
1631 ANDROID_STL_FORCE_FEATURES
1632 ANDROID_FORCE_ARM_BUILD
1633 ANDROID_NO_UNDEFINED
1634 ANDROID_SO_UNDEFINED
1635 ANDROID_FUNCTION_LEVEL_LINKING
1640 ANDROID_EXPLICIT_CRT_LINK
1643 if( DEFINED ${__var} )
1644 if( ${__var} MATCHES " ")
1645 set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" CACHE INTERNAL \"\" )\n" )
1647 set( __toolchain_config "${__toolchain_config}set( ${__var} ${${__var}} CACHE INTERNAL \"\" )\n" )
1651 file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/android.toolchain.config.cmake" "${__toolchain_config}" )
1652 unset( __toolchain_config )
1656 # force cmake to produce / instead of \ in build commands for Ninja generator
1657 if( CMAKE_GENERATOR MATCHES "Ninja" AND CMAKE_HOST_WIN32 )
1658 # it is a bad hack after all
1659 # CMake generates Ninja makefiles with UNIX paths only if it thinks that we are going to build with MinGW
1660 set( CMAKE_COMPILER_IS_MINGW TRUE ) # tell CMake that we are MinGW
1661 set( CMAKE_CROSSCOMPILING TRUE ) # stop recursion
1662 enable_language( C )
1663 enable_language( CXX )
1664 # unset( CMAKE_COMPILER_IS_MINGW ) # can't unset because CMake does not convert back-slashes in response files without it
1669 # Variables controlling behavior or set by cmake toolchain:
1670 # ANDROID_ABI : "armeabi-v7a" (default), "armeabi", "armeabi-v7a with NEON", "armeabi-v7a-hard with NEON", "armeabi-v7a with VFPV3", "armeabi-v6 with VFP", "x86", "mips", "arm64-v8a", "x86_64", "mips64"
1671 # ANDROID_NATIVE_API_LEVEL : 3,4,5,8,9,14,15,16,17,18,19,21 (depends on NDK version)
1672 # ANDROID_STL : gnustl_static/gnustl_shared/stlport_static/stlport_shared/gabi++_static/gabi++_shared/system_re/system/none
1673 # ANDROID_FORBID_SYGWIN : ON/OFF
1674 # ANDROID_NO_UNDEFINED : ON/OFF
1675 # ANDROID_SO_UNDEFINED : OFF/ON (default depends on NDK version)
1676 # ANDROID_FUNCTION_LEVEL_LINKING : ON/OFF
1677 # ANDROID_GOLD_LINKER : ON/OFF
1678 # ANDROID_NOEXECSTACK : ON/OFF
1679 # ANDROID_RELRO : ON/OFF
1680 # ANDROID_FORCE_ARM_BUILD : ON/OFF
1681 # ANDROID_STL_FORCE_FEATURES : ON/OFF
1682 # 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`
1683 # Can be set only at the first run:
1684 # ANDROID_NDK : path to your NDK install
1685 # NDK_CCACHE : path to your ccache executable
1686 # ANDROID_TOOLCHAIN_NAME : the NDK name of compiler toolchain
1687 # ANDROID_NDK_HOST_X64 : try to use x86_64 toolchain (default for x64 host systems)
1688 # ANDROID_NDK_LAYOUT : the inner NDK structure (RELEASE, LINARO, ANDROID)
1689 # LIBRARY_OUTPUT_PATH_ROOT : <any valid path>
1690 # ANDROID_STANDALONE_TOOLCHAIN
1692 # Primary read-only variables:
1693 # ANDROID : always TRUE
1694 # ARMEABI : TRUE for arm v6 and older devices
1695 # ARMEABI_V6 : TRUE for arm v6
1696 # ARMEABI_V7A : TRUE for arm v7a
1697 # ARMEABI_V7A_HARD : TRUE for arm v7a with hardfp
1698 # ARM64_V8A : TRUE for arm64-v8a
1699 # NEON : TRUE if NEON unit is enabled
1700 # VFPV3 : TRUE if VFP version 3 is enabled
1701 # X86 : TRUE if configured for x86
1702 # X86_64 : TRUE if configured for x86_64
1703 # MIPS : TRUE if configured for mips
1704 # MIPS64 : TRUE if configured for mips64
1705 # BUILD_WITH_ANDROID_NDK : TRUE if NDK is used
1706 # BUILD_WITH_STANDALONE_TOOLCHAIN : TRUE if standalone toolchain is used
1707 # ANDROID_NDK_HOST_SYSTEM_NAME : "windows", "linux-x86" or "darwin-x86" depending on host platform
1708 # ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a", "armeabi-v7a-hard", "x86", "mips", "arm64-v8a", "x86_64", "mips64" depending on ANDROID_ABI
1709 # ANDROID_NDK_RELEASE : from r5 to r10d; set only for NDK
1710 # ANDROID_NDK_RELEASE_NUM : numeric ANDROID_NDK_RELEASE version (1000*major+minor)
1711 # ANDROID_ARCH_NAME : "arm", "x86", "mips", "arm64", "x86_64", "mips64" depending on ANDROID_ABI
1712 # ANDROID_SYSROOT : path to the compiler sysroot
1713 # TOOL_OS_SUFFIX : "" or ".exe" depending on host platform
1714 # ANDROID_COMPILER_IS_CLANG : TRUE if clang compiler is used
1716 # Secondary (less stable) read-only variables:
1717 # ANDROID_COMPILER_VERSION : GCC version used (not Clang version)
1718 # ANDROID_CLANG_VERSION : version of clang compiler if clang is used
1719 # ANDROID_CXX_FLAGS : C/C++ compiler flags required by Android platform
1720 # ANDROID_SUPPORTED_ABIS : list of currently allowed values for ANDROID_ABI
1721 # ANDROID_TOOLCHAIN_MACHINE_NAME : "arm-linux-androideabi", "arm-eabi" or "i686-android-linux"
1722 # ANDROID_TOOLCHAIN_ROOT : path to the top level of toolchain (standalone or placed inside NDK)
1723 # ANDROID_CLANG_TOOLCHAIN_ROOT : path to clang tools
1724 # ANDROID_SUPPORTED_NATIVE_API_LEVELS : list of native API levels found inside NDK
1725 # ANDROID_STL_INCLUDE_DIRS : stl include paths
1726 # ANDROID_RTTI : if rtti is enabled by the runtime
1727 # ANDROID_EXCEPTIONS : if exceptions are enabled by the runtime
1728 # ANDROID_GCC_TOOLCHAIN_NAME : read-only, differs from ANDROID_TOOLCHAIN_NAME only if clang is used
1731 # ANDROID_DEFAULT_NDK_API_LEVEL
1732 # ANDROID_DEFAULT_NDK_API_LEVEL_${ARCH}
1733 # ANDROID_NDK_SEARCH_PATHS
1734 # ANDROID_SUPPORTED_ABIS_${ARCH}
1735 # ANDROID_SUPPORTED_NDK_VERSIONS