# Requires cmake 2.6.3 or newer (2.8.5 or newer is recommended).
# See home page: http://code.google.com/p/android-cmake/
#
-# The file is mantained by the OpenCV project. And also can be found at
+# The file is mantained by the OpenCV project. The latest version can be get at
# http://code.opencv.org/projects/opencv/repository/revisions/master/changes/android/android.toolchain.cmake
#
# Usage Linux:
# $ cmake.exe -G"MinGW Makefiles"
# -DCMAKE_TOOLCHAIN_FILE=path\to\the\android.toolchain.cmake
# -DCMAKE_MAKE_PROGRAM="%ANDROID_NDK%\prebuilt\windows\bin\make.exe" ..
-# $ "%ANDROID_NDK%\prebuilt\windows\bin\make.exe"
+# $ cmake.exe --build .
#
#
# Options (can be set as cmake parameters: -D<option_name>=<value>):
# (ignored if ANDROID_NDK is set).
# Can be set as environment variable. Can be set only at first cmake run.
#
-# ANDROID_ABI=armeabi-v7a - specifies the target Application Binary
+# ANDROID_ABI=armeabi-v7a - specifies the target Application Binary
# Interface (ABI). This option nearly matches to the APP_ABI variable
# used by ndk-build tool from Android NDK.
#
# "x86" - matches to the NDK ABI with the same name.
# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation.
# "mips" - matches to the NDK ABI with the same name
-# (not testes on real devices)
+# (It is not tested on real devices by the authos of this toolchain)
+# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation.
#
# ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for.
-# Option is read-only when standalone toolchain used.
+# Option is read-only when standalone toolchain is used.
#
-# ANDROID_FORCE_ARM_BUILD=OFF - set true to generate 32-bit ARM instructions
-# instead of Thumb-1. Is not available for "x86" (inapplicable) and
-# "armeabi-v6 with VFP" (forced) ABIs.
+# ANDROID_FORCE_ARM_BUILD=OFF - set ON to generate 32-bit ARM instructions
+# instead of Thumb. Is not available for "x86" (inapplicable) and
+# "armeabi-v6 with VFP" (is forced to be ON) ABIs.
#
-# ANDROID_NO_UNDEFINED=ON - set true to show all undefined symbols as linker
+# ANDROID_NO_UNDEFINED=ON - set ON to show all undefined symbols as linker
# errors even if they are not used.
#
-# ANDROID_SO_UNDEFINED=OFF - set true to allow undefined symbols in shared
-# libraries. Automatically turned on for NDK r5x and r6x due to GLESv2
+# ANDROID_SO_UNDEFINED=OFF - set ON to allow undefined symbols in shared
+# libraries. Automatically turned for NDK r5x and r6x due to GLESv2
# problems.
#
# LIBRARY_OUTPUT_PATH_ROOT=${CMAKE_SOURCE_DIR} - where to output binary
# files. See additional details below.
#
-# ANDROID_SET_OBSOLETE_VARIABLES=ON - it set, then toolchain defines some
-# obsolete variables which were set by previous versions of this file for
+# ANDROID_SET_OBSOLETE_VARIABLES=ON - if set, then toolchain defines some
+# obsolete variables which were used by previous versions of this file for
# backward compatibility.
#
#
# Make sure to do the following in your scripts:
# SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${my_cxx_flags}" )
# SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${my_cxx_flags}" )
-# The flags will be prepopulated with critical flags, so don't loose them.
-# Also be aware that toolchain also sets configuration-specific compiler
-# flags and linker flags.
+# The flags will be prepopulated with critical flags, so don't loose them.
+# Also be aware that toolchain also sets configuration-specific compiler
+# flags and linker flags.
#
# ANDROID and BUILD_ANDROID will be set to true, you may test any of these
# variables to make necessary Android-specific configuration changes.
#
-# Also ARMEABI or ARMEABI_V7A or X86 will be set true, mutually exclusive.
-# NEON option will be set true if VFP is set to NEON.
+# Also ARMEABI or ARMEABI_V7A or X86 or MIPS will be set true, mutually
+# exclusive. NEON option will be set true if VFP is set to NEON.
#
# LIBRARY_OUTPUT_PATH_ROOT should be set in cache to determine where Android
# libraries will be installed.
# [+] added mips architecture support
# - modified August 2012
# [+] updated for NDK r8b
-# [~] all intermediate files generated by toolchain are moved into CMakeFiles
+# [~] all intermediate files generated by toolchain are moved to CMakeFiles
# [~] libstdc++ and libsupc are removed from explicit link libraries
# [+] added CCache support (via NDK_CCACHE environment or cmake variable)
# [+] added gold linker support for NDK r8b
return()
endif()
-get_property(_CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if( _CMAKE_IN_TRY_COMPILE )
include( "${CMAKE_CURRENT_SOURCE_DIR}/../android.toolchain.config.cmake" OPTIONAL )
endif()
if( NOT "${__value}" STREQUAL "" )
if( __test_path )
if( EXISTS "${__value}" )
- set( ${var_name} "${__value}" )
- if( __obsolete )
+ file( TO_CMAKE_PATH "${__value}" ${var_name} )
+ if( __obsolete AND NOT _CMAKE_IN_TRY_COMPILE )
message( WARNING "Using value of obsolete variable ${__var} as initial value for ${var_name}. Please note, that ${__var} can be completely removed in future versions of the toolchain." )
endif()
break()
endif()
else()
set( ${var_name} "${__value}" )
- if( __obsolete )
+ if( __obsolete AND NOT _CMAKE_IN_TRY_COMPILE )
message( WARNING "Using value of obsolete variable ${__var} as initial value for ${var_name}. Please note, that ${__var} can be completely removed in future versions of the toolchain." )
endif()
break()
unset( __value )
unset( __values )
unset( __obsolete )
+ elseif( __test_path )
+ file( TO_CMAKE_PATH "${${var_name}}" ${var_name} )
endif()
unset( __test_path )
endmacro()
endmacro()
macro( __DETECT_TOOLCHAIN_MACHINE_NAME _var _root )
- file( GLOB __gccExePath "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" )
- __LIST_FILTER( __gccExePath "bin/[.].*-gcc${TOOL_OS_SUFFIX}$" )
- list( LENGTH __gccExePath __gccExePathsCount )
- if( NOT __gccExePathsCount EQUAL 1 )
- message( WARNING "Could not uniquely determine machine name for compiler from ${_root}." )
- set( ${_var} "" )
+ if( EXISTS "${_root}" )
+ file( GLOB __gccExePath "${_root}/bin/*-gcc${TOOL_OS_SUFFIX}" )
+ __LIST_FILTER( __gccExePath "bin/[.].*-gcc${TOOL_OS_SUFFIX}$" )
+ list( LENGTH __gccExePath __gccExePathsCount )
+ if( NOT __gccExePathsCount EQUAL 1 AND NOT _CMAKE_IN_TRY_COMPILE )
+ message( WARNING "Could not determine machine name for compiler from ${_root}" )
+ set( ${_var} "" )
+ else()
+ get_filename_component( __gccExeName "${__gccExePath}" NAME_WE )
+ string( REPLACE "-gcc" "" ${_var} "${__gccExeName}" )
+ endif()
+ unset( __gccExePath )
+ unset( __gccExePathsCount )
+ unset( __gccExeName )
else()
- get_filename_component( __gccExeName "${__gccExePath}" NAME_WE )
- string( REPLACE "-gcc" "" ${_var} "${__gccExeName}" )
+ set( ${_var} "" )
endif()
- unset( __gccExePath )
- unset( __gccExePathsCount )
- unset( __gccExeName )
endmacro()
macro( __COPY_IF_DIFFERENT _source _destination )
endif( ANDROID_NDK )
endif( NOT ANDROID_STANDALONE_TOOLCHAIN )
endif( NOT ANDROID_NDK )
-
# remember found paths
if( ANDROID_NDK )
get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE )
string( LENGTH "${ANDROID_NDK}" __length )
string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath )
if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK )
- message( FATAL_ERROR "It is not possible to change path to the NDK on subsequent run." )
+ message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all files from your build folder first.
+ " )
endif()
unset( __androidNdkPreviousPath )
unset( __length )
endif()
- set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" )
+ set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE )
set( BUILD_WITH_ANDROID_NDK True )
elseif( ANDROID_STANDALONE_TOOLCHAIN )
get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE )
unset( __androidStandaloneToolchainPreviousPath )
unset( __length )
endif()
- set( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" CACHE INTERNAL "Path of the Android standalone toolchain" )
+ set( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" CACHE INTERNAL "Path of the Android standalone toolchain" FORCE )
set( BUILD_WITH_STANDALONE_TOOLCHAIN True )
else()
list(GET ANDROID_NDK_SEARCH_PATHS 0 ANDROID_NDK_SEARCH_PATH)
file( APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" "SET(CMAKE_SYSTEM_PROCESSOR \"${CMAKE_SYSTEM_PROCESSOR}\")\n" )
endif()
-set( ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME}} CACHE INTERNAL "ANDROID_ABI can be changed only to one of these ABIs. Changing to any other ABI requires to reset cmake cache." )
+set( ANDROID_SUPPORTED_ABIS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME}} CACHE INTERNAL "ANDROID_ABI can be changed only to one of these ABIs. Changing to any other ABI requires to reset cmake cache." FORCE )
if( CMAKE_VERSION VERSION_GREATER "2.8" )
list( SORT ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME} )
set_property( CACHE ANDROID_ABI PROPERTY STRINGS ${ANDROID_SUPPORTED_ABIS_${ANDROID_ARCH_FULLNAME}} )
list( GET __availableToolchains ${__toolchainIdx} ANDROID_TOOLCHAIN_NAME )
list( GET __availableToolchainMachines ${__toolchainIdx} ANDROID_TOOLCHAIN_MACHINE_NAME )
list( GET __availableToolchainCompilerVersions ${__toolchainIdx} ANDROID_COMPILER_VERSION )
-set( ANDROID_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" CACHE INTERNAL "Name of toolchain used" )
-set( ANDROID_COMPILER_VERSION "${ANDROID_COMPILER_VERSION}" CACHE INTERNAL "compiler version from selected toolchain" )
+set( ANDROID_TOOLCHAIN_NAME "${ANDROID_TOOLCHAIN_NAME}" CACHE INTERNAL "Name of toolchain used" FORCE )
+set( ANDROID_COMPILER_VERSION "${ANDROID_COMPILER_VERSION}" CACHE INTERNAL "compiler version from selected toolchain" FORCE )
unset( __toolchainIdx )
unset( __availableToolchains )
unset( __availableToolchainMachines )
# flags and definitions
if(ANDROID_SYSROOT MATCHES "[ ;\"]")
set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" )
- # quotes will break try_compile and compiler identification
- message(WARNING "Your Android system root has non-alphanumeric symbols. It can break compiler features detection and the whole build.")
+ if( NOT _CMAKE_IN_TRY_COMPILE )
+ # quotes will break try_compile and compiler identification
+ message(WARNING "Your Android system root has non-alphanumeric symbols. It can break compiler features detection and the whole build.")
+ endif()
else()
set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" )
endif()
link_directories( ${ANDROID_SYSTEM_LIB_DIRS} )
# finish flags
-set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Extra Android compiler flags")
-set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Extra Android linker flags")
+set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Extra Android compiler flags" )
+set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Extra Android linker flags" )
set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" )
set( CMAKE_C_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_C_FLAGS}" )
if( MIPS AND BUILD_WITH_ANDROID_NDK AND ANDROID_NDK MATCHES "-r8$" )
# NEON : TRUE if NEON unit is enabled
# VFPV3 : TRUE if VFP version 3 is enabled
# X86 : TRUE if configured for x86
+# MIPS : TRUE if configured for mips
# BUILD_ANDROID : always TRUE
# BUILD_WITH_ANDROID_NDK : TRUE if NDK is used
# BUILD_WITH_STANDALONE_TOOLCHAIN : TRUE if standalone toolchain is used
# ANDROID_NDK_HOST_SYSTEM_NAME : "windows", "linux-x86" or "darwin-x86" depending on host platform
-# ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a" or "x86" depending on ANDROID_ABI
+# ANDROID_NDK_ABI_NAME : "armeabi", "armeabi-v7a", "x86" or "mips" depending on ANDROID_ABI
# ANDROID_ARCH_NAME : "arm" or "x86" or "mips" depending on ANDROID_ABI
-# TOOL_OS_SUFFIX : "" or ".exe" depending on host platform
# ANDROID_SYSROOT : path to the compiler sysroot
# ANDROID_SYSTEM_INCLUDE_DIRS
# ANDROID_SYSTEM_LIB_DIRS
+# TOOL_OS_SUFFIX : "" or ".exe" depending on host platform
# Obsolete:
# ARMEABI_NDK_NAME : superseded by ANDROID_NDK_ABI_NAME
#
projects / profile / ivi / opencv.git / commitdiff