diff --git a/cmake/AndroidToolchain.cmake b/cmake/AndroidToolchain.cmake index 9216bf55d..9eeb7beaf 100644 --- a/cmake/AndroidToolchain.cmake +++ b/cmake/AndroidToolchain.cmake @@ -1,5 +1,5 @@ # Copyright (c) 2010-2011, Ethan Rublee -# Copyright (c) 2011-2012, Andrey Kamaev +# Copyright (c) 2011-2013, Andrey Kamaev # All rights reserved. # # Redistribution and use in source and binary forms, with or without @@ -35,7 +35,6 @@ # # The file is mantained by the OpenCV project. The latest version can be get at # http://code.opencv.org/projects/opencv/repository/revisions/master/changes/android/android.toolchain.cmake -# Git commit: 084b1c796900b0825fc4e0593ab3143da3f3a90e # # Usage Linux: # $ export ANDROID_NDK=/absolute/path/to/the/android-ndk @@ -282,8 +281,19 @@ # [+] updated for NDK r8c # [+] added support for clang compiler # - December 2012 +# [+] suppress warning about unused CMAKE_TOOLCHAIN_FILE variable +# [+] adjust API level to closest compatible as NDK does # [~] fixed ccache full path search # [+] updated for NDK r8d +# [~] compiler options are aligned with NDK r8d +# - March 2013 +# [+] updated for NDK r8e (x86 version) +# [+] support x86_64 version of NDK +# - April 2013 +# [+] support non-release NDK layouts (from Linaro git and Android git) +# [~] automatically detect if explicit link to crtbegin_*.o is needed +# - June 2013 +# [~] fixed stl include path for standalone toolchain made by NDK >= r8c # ------------------------------------------------------------------------------ cmake_minimum_required( VERSION 2.6.3 ) @@ -293,6 +303,10 @@ if( DEFINED CMAKE_CROSSCOMPILING ) return() endif() +if( CMAKE_TOOLCHAIN_FILE ) + # touch toolchain variable only to suppress "unused variable" warning +endif() + get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE ) if( _CMAKE_IN_TRY_COMPILE ) include( "${CMAKE_CURRENT_SOURCE_DIR}/../android.toolchain.config.cmake" OPTIONAL ) @@ -312,7 +326,7 @@ endif() # rpath makes low sence for Android set( CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries." ) -set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" ) +set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r9 -r8e -r8d -r8c -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" ) if(NOT DEFINED ANDROID_NDK_SEARCH_PATHS) if( CMAKE_HOST_WIN32 ) file( TO_CMAKE_PATH "$ENV{PROGRAMFILES}" ANDROID_NDK_SEARCH_PATHS ) @@ -456,19 +470,32 @@ 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") + 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" ) + 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" ) + 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" ) + 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 ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) +endif() + # see if we have path to Android NDK __INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK ) if( NOT ANDROID_NDK ) @@ -500,35 +527,19 @@ if( NOT ANDROID_NDK ) endif( ANDROID_NDK ) endif( NOT ANDROID_STANDALONE_TOOLCHAIN ) endif( NOT ANDROID_NDK ) + # remember found paths if( ANDROID_NDK ) get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE ) - # try to detect change - if( CMAKE_AR ) - string( LENGTH "${ANDROID_NDK}" __length ) - string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) - if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK ) - message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first. - " ) - endif() - unset( __androidNdkPreviousPath ) - unset( __length ) - endif() set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE ) set( BUILD_WITH_ANDROID_NDK True ) - file( STRINGS "${ANDROID_NDK}/RELEASE.TXT" ANDROID_NDK_RELEASE_TXT LIMIT_COUNT 1 REGEX r[0-9]+[a-z]? ) - - if(${ANDROID_NDK_RELEASE_TXT} MATCHES "^r[0-9]+[a-z] \([^ ]+\)$") - string( REGEX REPLACE "^(r[0-9]+[a-z]) \(([^ ]+)\)$" "\\1" ANDROID_NDK_RELEASE "${ANDROID_NDK_RELEASE_TXT}" ) - string( REGEX REPLACE "^(r[0-9]+[a-z]) \(([^ ]+)\)$" "\\2" ANDROID_NDK_RELEASE_EXTRA "${ANDROID_NDK_RELEASE_TXT}" ) - - set( ANDROID_NDK_64BIT True) - set( ANDROID_NDK_HOST_SYSTEM_NAME "${ANDROID_NDK_HOST_SYSTEM_NAME}_64" ) - + if( EXISTS "${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 "${ANDROID_NDK_RELEASE_TXT}" ) + set( ANDROID_NDK_RELEASE "r1x" ) + set( ANDROID_NDK_RELEASE_FULL "unreleased" ) endif() - elseif( ANDROID_STANDALONE_TOOLCHAIN ) get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE ) # try to detect change @@ -555,6 +566,51 @@ else() sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" ) endif() +# android NDK layout +if( BUILD_WITH_ANDROID_NDK ) + if( NOT DEFINED ANDROID_NDK_LAYOUT ) + # try to automatically detect the layout + if( EXISTS "${ANDROID_NDK}/RELEASE.TXT") + set( ANDROID_NDK_LAYOUT "RELEASE" ) + elseif( EXISTS "${ANDROID_NDK}/../../linux-x86/toolchain/" ) + set( ANDROID_NDK_LAYOUT "LINARO" ) + elseif( EXISTS "${ANDROID_NDK}/../../gcc/" ) + set( ANDROID_NDK_LAYOUT "ANDROID" ) + endif() + endif() + set( ANDROID_NDK_LAYOUT "${ANDROID_NDK_LAYOUT}" CACHE STRING "The inner layout of NDK" ) + mark_as_advanced( ANDROID_NDK_LAYOUT ) + if( ANDROID_NDK_LAYOUT STREQUAL "LINARO" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + elseif( ANDROID_NDK_LAYOUT STREQUAL "ANDROID" ) + set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../gcc/${ANDROID_NDK_HOST_SYSTEM_NAME}/arm" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" ) + else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE" + set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" ) + endif() + get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE ) + + # try to detect change of NDK + if( CMAKE_AR ) + string( LENGTH "${ANDROID_NDK_TOOLCHAINS_PATH}" __length ) + string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath ) + if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK_TOOLCHAINS_PATH ) + message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first. + " ) + endif() + unset( __androidNdkPreviousPath ) + unset( __length ) + endif() +endif() + + # get all the details about standalone toolchain if( BUILD_WITH_STANDALONE_TOOLCHAIN ) __DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" ) @@ -582,22 +638,27 @@ if( BUILD_WITH_STANDALONE_TOOLCHAIN ) endif() endif() -macro( __GLOB_NDK_TOOLCHAINS __availableToolchainsVar ) - foreach( __toolchain ${${__availableToolchainsVar}} ) - if( "${__toolchain}" MATCHES "-clang3[.][0-9]$" AND NOT EXISTS "${ANDROID_NDK}/toolchains/${__toolchain}/prebuilt/" ) +macro( __GLOB_NDK_TOOLCHAINS __availableToolchainsVar __availableToolchainsLst __toolchain_subpath ) + foreach( __toolchain ${${__availableToolchainsLst}} ) + if( "${__toolchain}" MATCHES "-clang3[.][0-9]$" AND NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/${__toolchain}${__toolchain_subpath}" ) string( REGEX REPLACE "-clang3[.][0-9]$" "-4.6" __gcc_toolchain "${__toolchain}" ) else() set( __gcc_toolchain "${__toolchain}" ) endif() - __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK}/toolchains/${__gcc_toolchain}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + __DETECT_TOOLCHAIN_MACHINE_NAME( __machine "${ANDROID_NDK_TOOLCHAINS_PATH}/${__gcc_toolchain}${__toolchain_subpath}" ) if( __machine ) - string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9]+)?$" __version "${__gcc_toolchain}" ) - string( REGEX MATCH "^[^-]+" __arch "${__gcc_toolchain}" ) + string( REGEX MATCH "[0-9]+[.][0-9]+([.][0-9x]+)?$" __version "${__gcc_toolchain}" ) + if( __machine MATCHES i686 ) + set( __arch "x86" ) + elseif( __machine MATCHES arm ) + set( __arch "arm" ) + elseif( __machine MATCHES mipsel ) + set( __arch "mipsel" ) + endif() list( APPEND __availableToolchainMachines "${__machine}" ) list( APPEND __availableToolchainArchs "${__arch}" ) list( APPEND __availableToolchainCompilerVersions "${__version}" ) - else() - list( REMOVE_ITEM ${__availableToolchainsVar} "${__toolchain}" ) + list( APPEND ${__availableToolchainsVar} "${__toolchain}" ) endif() unset( __gcc_toolchain ) endforeach() @@ -611,19 +672,31 @@ if( BUILD_WITH_ANDROID_NDK ) set( __availableToolchainMachines "" ) set( __availableToolchainArchs "" ) set( __availableToolchainCompilerVersions "" ) - if( ANDROID_TOOLCHAIN_NAME AND EXISTS "${ANDROID_NDK}/toolchains/${ANDROID_TOOLCHAIN_NAME}/" ) + 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( __availableToolchains "${ANDROID_TOOLCHAIN_NAME}" ) - __GLOB_NDK_TOOLCHAINS( __availableToolchains ) + set( __availableToolchainsLst "${ANDROID_TOOLCHAIN_NAME}" ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) + if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" ) + if( __availableToolchains ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) + endif() + endif() endif() if( NOT __availableToolchains ) - file( GLOB __availableToolchains RELATIVE "${ANDROID_NDK}/toolchains" "${ANDROID_NDK}/toolchains/*" ) + file( GLOB __availableToolchainsLst RELATIVE "${ANDROID_NDK_TOOLCHAINS_PATH}" "${ANDROID_NDK_TOOLCHAINS_PATH}/*" ) if( __availableToolchains ) - list(SORT __availableToolchains) # we need clang to go after gcc + list(SORT __availableToolchainsLst) # we need clang to go after gcc + endif() + __LIST_FILTER( __availableToolchainsLst "^[.]" ) + __LIST_FILTER( __availableToolchainsLst "llvm" ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) + if( NOT __availableToolchains AND NOT ANDROID_NDK_TOOLCHAINS_SUBPATH STREQUAL ANDROID_NDK_TOOLCHAINS_SUBPATH2 ) + __GLOB_NDK_TOOLCHAINS( __availableToolchains __availableToolchainsLst "${ANDROID_NDK_TOOLCHAINS_SUBPATH2}" ) + if( __availableToolchains ) + set( ANDROID_NDK_TOOLCHAINS_SUBPATH ${ANDROID_NDK_TOOLCHAINS_SUBPATH2} ) + endif() endif() - __LIST_FILTER( __availableToolchains "^[.]" ) - __LIST_FILTER( __availableToolchains "llvm" ) - __GLOB_NDK_TOOLCHAINS( __availableToolchains ) endif() if( NOT __availableToolchains ) message( FATAL_ERROR "Could not find any working toolchain in the NDK. Probably your Android NDK is broken." ) @@ -636,11 +709,11 @@ set( __uniqToolchainArchNames ${__availableToolchainArchs} ) list( REMOVE_DUPLICATES __uniqToolchainArchNames ) list( SORT __uniqToolchainArchNames ) foreach( __arch ${__uniqToolchainArchNames} ) -list( APPEND ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${__arch}} ) + 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." ) + message( FATAL_ERROR "No one of known Android ABIs is supported by this cmake toolchain." ) endif() # choose target ABI @@ -752,6 +825,7 @@ else() list( GET __availableToolchainArchs ${__idx} __toolchainArch ) if( __toolchainArch STREQUAL ANDROID_ARCH_FULLNAME ) list( GET __availableToolchainCompilerVersions ${__idx} __toolchainVersion ) + string( REPLACE "x" "99" __toolchainVersion "${__toolchainVersion}") if( __toolchainVersion VERSION_GREATER __toolchainMaxVersion ) set( __toolchainMaxVersion "${__toolchainVersion}" ) set( __toolchainIdx ${__idx} ) @@ -779,11 +853,22 @@ unset( __availableToolchainCompilerVersions ) # choose native API level __INIT_VARIABLE( ANDROID_NATIVE_API_LEVEL ENV_ANDROID_NATIVE_API_LEVEL ANDROID_API_LEVEL ENV_ANDROID_API_LEVEL ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME} ANDROID_DEFAULT_NDK_API_LEVEL ) string( REGEX MATCH "[0-9]+" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" ) -# TODO: filter out unsupported levels +# adjust API level +set( __real_api_level ${ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME}} ) +foreach( __level ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} ) + if( NOT __level GREATER ANDROID_NATIVE_API_LEVEL AND NOT __level LESS __real_api_level ) + set( __real_api_level ${__level} ) + endif() +endforeach() +if( __real_api_level AND NOT ANDROID_NATIVE_API_LEVEL EQUAL __real_api_level ) + message( STATUS "Adjusting Android API level 'android-${ANDROID_NATIVE_API_LEVEL}' to 'android-${__real_api_level}'") + set( ANDROID_NATIVE_API_LEVEL ${__real_api_level} ) +endif() +unset(__real_api_level) # validate list( FIND ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_NATIVE_API_LEVEL}" __levelIdx ) if( __levelIdx EQUAL -1 ) - message( SEND_ERROR "Specified Android native API level (${ANDROID_NATIVE_API_LEVEL}) is not supported by your NDK/toolchain." ) + message( SEND_ERROR "Specified Android native API level 'android-${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-${ANDROID_ARCH_NAME}/usr/include/android/api-level.h" ) @@ -893,7 +978,11 @@ if( BUILD_WITH_STANDALONE_TOOLCHAIN ) set( ANDROID_SYSROOT "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot" ) if( NOT ANDROID_STL STREQUAL "none" ) - set( ANDROID_STL_INCLUDE_DIRS "${ANDROID_STANDALONE_TOOLCHAIN}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}" ) + set( ANDROID_STL_INCLUDE_DIRS "${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}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/thumb/bits" ) @@ -944,11 +1033,11 @@ if( "${ANDROID_TOOLCHAIN_NAME}" STREQUAL "standalone-clang" ) elseif( "${ANDROID_TOOLCHAIN_NAME}" MATCHES "-clang3[.][0-9]?$" ) string( REGEX MATCH "3[.][0-9]$" ANDROID_CLANG_VERSION "${ANDROID_TOOLCHAIN_NAME}") string( REGEX REPLACE "-clang${ANDROID_CLANG_VERSION}$" "-4.6" ANDROID_GCC_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" ) - if( NOT EXISTS "${ANDROID_NDK}/toolchains/llvm-${ANDROID_CLANG_VERSION}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}/bin/clang${TOOL_OS_SUFFIX}" ) - message( FATAL_ERROR "Could not find the " ) + if( NOT EXISTS "${ANDROID_NDK_TOOLCHAINS_PATH}/llvm-${ANDROID_CLANG_VERSION}${ANDROID_NDK_TOOLCHAINS_SUBPATH}/bin/clang${TOOL_OS_SUFFIX}" ) + message( FATAL_ERROR "Could not find the Clang compiler driver" ) endif() set( ANDROID_COMPILER_IS_CLANG 1 ) - set( ANDROID_CLANG_TOOLCHAIN_ROOT "${ANDROID_NDK}/toolchains/llvm-${ANDROID_CLANG_VERSION}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + 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 ) @@ -962,7 +1051,7 @@ endif() # setup paths and STL for NDK if( BUILD_WITH_ANDROID_NDK ) - set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK}/toolchains/${ANDROID_GCC_TOOLCHAIN_NAME}/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" ) + set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}${ANDROID_NDK_TOOLCHAINS_SUBPATH}" ) set( ANDROID_SYSROOT "${ANDROID_NDK}/platforms/android-${ANDROID_NATIVE_API_LEVEL}/arch-${ANDROID_ARCH_NAME}" ) if( ANDROID_STL STREQUAL "none" ) @@ -1021,11 +1110,11 @@ if( BUILD_WITH_ANDROID_NDK ) endif() # find libsupc++.a - rtti & exceptions if( ANDROID_STL STREQUAL "system_re" OR ANDROID_STL MATCHES "gnustl" ) - if( ANDROID_NDK_RELEASE STRGREATER "r8" ) # r8b - set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${ANDROID_COMPILER_VERSION}/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) - elseif( NOT ANDROID_NDK_RELEASE STRLESS "r7" AND ANDROID_NDK_RELEASE STRLESS "r8b") - set( __libsupcxx "${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/libs/${ANDROID_NDK_ABI_NAME}/libsupc++.a" ) - else( ANDROID_NDK_RELEASE STRLESS "r7" ) + 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" ) @@ -1075,7 +1164,7 @@ unset( _ndk_ccache ) # setup the cross-compiler if( NOT CMAKE_C_COMPILER ) - if( NDK_CCACHE ) + 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 ) @@ -1147,11 +1236,25 @@ set( CMAKE_ASM_SOURCE_FILE_EXTENSIONS s S asm ) remove_definitions( -DANDROID ) add_definitions( -DANDROID ) -if(ANDROID_SYSROOT MATCHES "[ ;\"]") - set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" ) +if( ANDROID_SYSROOT MATCHES "[ ;\"]" ) + if( CMAKE_HOST_WIN32 ) + # try to convert path to 8.3 form + file( WRITE "${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=${ANDROID_SYSROOT}'" ) + endif() if( NOT _CMAKE_IN_TRY_COMPILE ) - # quotes will break try_compile and compiler identification - message(WARNING "Your Android system root has non-alphanumeric symbols. It can break compiler features detection and the whole build.") + # quotes can break try_compile and compiler identification + message(WARNING "Path to your Android NDK (or toolchain) has non-alphanumeric symbols.\nThe build might be broken.\n") endif() else() set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" ) @@ -1159,38 +1262,52 @@ endif() # NDK flags if( ARMEABI OR ARMEABI_V7A ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -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). - set( ANDROID_CXX_FLAGS_RELEASE "-mthumb" ) - set( ANDROID_CXX_FLAGS_DEBUG "-marm -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 "${ANDROID_CXX_FLAGS} -finline-limit=64" ) + endif() else() # always compile ARMEABI_V6 in arm mode; otherwise there is no difference from ARMEABI - # O3 instead of O2/Os in release mode - like cmake sets for desktop gcc - set( ANDROID_CXX_FLAGS_RELEASE "-marm" ) - set( ANDROID_CXX_FLAGS_DEBUG "-marm -finline-limit=300" ) + set( ANDROID_CXX_FLAGS_RELEASE "-marm -fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-marm -fno-omit-frame-pointer -fno-strict-aliasing" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) + endif() endif() elseif( X86 ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) - set( ANDROID_CXX_FLAGS_RELEASE "" ) - set( ANDROID_CXX_FLAGS_DEBUG "-finline-limit=300" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funwind-tables" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -funswitch-loops -finline-limit=300" ) + else() + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fPIC" ) + endif() + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer -fstrict-aliasing" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer -fno-strict-aliasing" ) elseif( MIPS ) - set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -frename-registers" ) - set( ANDROID_CXX_FLAGS_RELEASE "-finline-limit=300 -fno-strict-aliasing" ) - set( ANDROID_CXX_FLAGS_DEBUG "-finline-functions -fgcse-after-reload -frerun-cse-after-loop" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fpic -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0" ) + set( ANDROID_CXX_FLAGS_RELEASE "-fomit-frame-pointer" ) + set( ANDROID_CXX_FLAGS_DEBUG "-fno-omit-frame-pointer" ) + if( NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" ) + set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -funswitch-loops -finline-limit=300" ) + endif() elseif() set( ANDROID_CXX_FLAGS_RELEASE "" ) set( ANDROID_CXX_FLAGS_DEBUG "" ) endif() -if( NOT X86 ) - set( ANDROID_CXX_FLAGS "-Wno-psabi ${ANDROID_CXX_FLAGS}" ) +set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) # good/necessary when porting desktop libraries + +if( NOT X86 AND NOT ANDROID_COMPILER_IS_CLANG ) + set( ANDROID_CXX_FLAGS "-Wno-psabi ${ANDROID_CXX_FLAGS}" ) endif() -set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" ) # good/necessary when porting desktop libraries -set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE} -fomit-frame-pointer" ) -set( ANDROID_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer" ) +if( NOT ANDROID_COMPILER_VERSION VERSION_LESS "4.6" ) + set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -no-canonical-prefixes" ) # see https://android-review.googlesource.com/#/c/47564/ +endif() # ABI-specific flags if( ARMEABI_V7A ) @@ -1208,22 +1325,18 @@ elseif( ARMEABI ) set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv5te -mtune=xscale -msoft-float" ) endif() +if( ANDROID_STL MATCHES "gnustl" AND (EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}") ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) + set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) + set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) +else() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) + set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) + set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) +endif() + # STL if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" ) - if( ANDROID_STL MATCHES "gnustl" ) - set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) - set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) - set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) - else() - set( CMAKE_CXX_CREATE_SHARED_LIBRARY " -o " ) - set( CMAKE_CXX_CREATE_SHARED_MODULE " -o " ) - set( CMAKE_CXX_LINK_EXECUTABLE " -o " ) - endif() - if ( X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" ) - # workaround "undefined reference to `__dso_handle'" problem - set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) - set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) - endif() if( EXISTS "${__libstl}" ) set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libstl}\"" ) set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libstl}\"" ) @@ -1242,9 +1355,12 @@ if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" ) set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} \"${__libsupcxx}\"" ) endif() if( ANDROID_STL MATCHES "gnustl" ) - set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} -lm" ) - set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} -lm" ) - set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lm" ) + if( NOT EXISTS "${ANDROID_LIBM_PATH}" ) + set( ANDROID_LIBM_PATH -lm ) + endif() + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${ANDROID_LIBM_PATH}" ) + set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${ANDROID_LIBM_PATH}" ) endif() endif() @@ -1280,7 +1396,14 @@ if( ARMEABI_V7A ) endif() if( ANDROID_NO_UNDEFINED ) - set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" ) + if( MIPS ) + # there is some sysroot-related problem in mips linker... + if( NOT ANDROID_SYSROOT MATCHES "[ ;\"]" ) + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib" ) + endif() + else() + set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" ) + endif() endif() if( ANDROID_SO_UNDEFINED ) @@ -1327,9 +1450,6 @@ if( ANDROID_COMPILER_IS_CLANG ) set( ANDROID_CXX_FLAGS "-target ${ANDROID_LLVM_TRIPLE} ${ANDROID_CXX_FLAGS}" ) endif() if( BUILD_WITH_ANDROID_NDK ) - if(ANDROID_ARCH_NAME STREQUAL "arm" ) - set( ANDROID_CXX_FLAGS "-isystem ${ANDROID_CLANG_TOOLCHAIN_ROOT}/lib/clang/${ANDROID_CLANG_VERSION}/include ${ANDROID_CXX_FLAGS}" ) - endif() set( ANDROID_CXX_FLAGS "-gcc-toolchain ${ANDROID_TOOLCHAIN_ROOT} ${ANDROID_CXX_FLAGS}" ) endif() endif() @@ -1345,6 +1465,12 @@ set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared li set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags" ) set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker flags" ) +# put flags to cache (for debug purpose only) +set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Android specific c/c++ flags" ) +set( ANDROID_CXX_FLAGS_RELEASE "${ANDROID_CXX_FLAGS_RELEASE}" CACHE INTERNAL "Android specific c/c++ Release flags" ) +set( ANDROID_CXX_FLAGS_DEBUG "${ANDROID_CXX_FLAGS_DEBUG}" CACHE INTERNAL "Android specific c/c++ Debug flags" ) +set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Android specific c/c++ linker flags" ) + # finish flags set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" ) set( CMAKE_C_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_C_FLAGS}" ) @@ -1357,9 +1483,9 @@ set( CMAKE_MODULE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FL set( CMAKE_EXE_LINKER_FLAGS "${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/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_SHARED_LINKER_FLAGS}" ) - set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_MODULE_LINKER_FLAGS}" ) - set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK}/toolchains/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.x ${CMAKE_EXE_LINKER_FLAGS}" ) + set( CMAKE_SHARED_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_SHARED_LINKER_FLAGS}" ) + set( CMAKE_MODULE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.xsc ${CMAKE_MODULE_LINKER_FLAGS}" ) + set( CMAKE_EXE_LINKER_FLAGS "-Wl,-T,${ANDROID_NDK_TOOLCHAINS_PATH}/${ANDROID_GCC_TOOLCHAIN_NAME}/mipself.x ${CMAKE_EXE_LINKER_FLAGS}" ) endif() # configure rtti @@ -1386,6 +1512,43 @@ endif() include_directories( SYSTEM "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} ) link_directories( "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" ) +# detect if need link crtbegin_so.o explicitly +if( NOT DEFINED ANDROID_EXPLICIT_CRT_LINK ) + set( __cmd "${CMAKE_CXX_CREATE_SHARED_LIBRARY}" ) + string( REPLACE "" "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" ) + string( REPLACE "" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "" "" __cmd "${__cmd}" ) + string( REPLACE "" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" ) + string( REPLACE "" "-shared" __cmd "${__cmd}" ) + string( REPLACE "" "" __cmd "${__cmd}" ) + string( REPLACE "" "" __cmd "${__cmd}" ) + string( REPLACE "" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" ) + string( REPLACE "" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" ) + string( REPLACE "" "" __cmd "${__cmd}" ) + separate_arguments( __cmd ) + foreach( __var ANDROID_NDK ANDROID_NDK_TOOLCHAINS_PATH ANDROID_STANDALONE_TOOLCHAIN ) + if( ${__var} ) + set( __tmp "${${__var}}" ) + separate_arguments( __tmp ) + string( REPLACE "${__tmp}" "${${__var}}" __cmd "${__cmd}") + endif() + endforeach() + string( REPLACE "'" "" __cmd "${__cmd}" ) + string( REPLACE "\"" "" __cmd "${__cmd}" ) + execute_process( COMMAND ${__cmd} RESULT_VARIABLE __cmd_result OUTPUT_QUIET ERROR_QUIET ) + if( __cmd_result EQUAL 0 ) + set( ANDROID_EXPLICIT_CRT_LINK ON ) + else() + set( ANDROID_EXPLICIT_CRT_LINK OFF ) + endif() +endif() + +if( ANDROID_EXPLICIT_CRT_LINK ) + set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) + set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" ) +endif() + # setup output directories set( 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" ) @@ -1475,7 +1638,9 @@ endmacro() if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) set( __toolchain_config "") foreach( __var NDK_CCACHE LIBRARY_OUTPUT_PATH_ROOT ANDROID_FORBID_SYGWIN ANDROID_SET_OBSOLETE_VARIABLES + ANDROID_NDK_HOST_X64 ANDROID_NDK + ANDROID_NDK_LAYOUT ANDROID_STANDALONE_TOOLCHAIN ANDROID_TOOLCHAIN_NAME ANDROID_ABI @@ -1489,6 +1654,8 @@ if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) ANDROID_GOLD_LINKER ANDROID_NOEXECSTACK ANDROID_RELRO + ANDROID_LIBM_PATH + ANDROID_EXPLICIT_CRT_LINK ) if( DEFINED ${__var} ) if( "${__var}" MATCHES " ") @@ -1531,6 +1698,8 @@ endif() # ANDROID_NDK # ANDROID_STANDALONE_TOOLCHAIN # ANDROID_TOOLCHAIN_NAME : the NDK name of compiler toolchain +# ANDROID_NDK_HOST_X64 : try to use x86_64 toolchain (default for x64 host systems) +# ANDROID_NDK_LAYOUT : the inner NDK structure (RELEASE, LINARO, ANDROID) # LIBRARY_OUTPUT_PATH_ROOT : # NDK_CCACHE : # Obsolete: @@ -1553,7 +1722,7 @@ endif() # 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", "linux-x86_64" or "darwin-x86" depending on host platform +# ANDROID_NDK_HOST_SYSTEM_NAME : "windows", "linux-x86" or "darwin-x86" depending on host platform # ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a", "x86" or "mips" depending on ANDROID_ABI # ANDROID_NDK_RELEASE : one of r5, r5b, r5c, r6, r6b, r7, r7b, r7c, r8, r8b, r8c, r8d, r8e; set only for NDK # ANDROID_ARCH_NAME : "arm" or "x86" or "mips" depending on ANDROID_ABI @@ -1576,6 +1745,7 @@ endif() # ANDROID_EXCEPTIONS : if exceptions are enabled by the runtime # ANDROID_GCC_TOOLCHAIN_NAME : read-only, differs from ANDROID_TOOLCHAIN_NAME only if clang is used # ANDROID_CLANG_VERSION : version of clang compiler if clang is used +# ANDROID_LIBM_PATH : path to libm.so (set to something like $(TOP)/out/target/product//obj/lib/libm.so) to workaround unresolved `sincos` # # Defaults: # ANDROID_DEFAULT_NDK_API_LEVEL