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Added CCache support to Android build

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To speed up rebuilds, define the NDK_CCACHE environment or CMake variable
to the path to your ccache binary. When declared, the android.cmake.toolchain
automatically uses CCache when compiling any C/C++ source file. For example:

export NDK_CCACHE=ccache
This commit is contained in:
Andrey Kamaev 2012-08-27 18:22:00 +04:00
parent 5c01d13f38
commit bcf8dd510f
3 changed files with 26 additions and 7 deletions
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4
CMakeLists.txt
View File

@ -517,10 +517,10 @@ endif()
status("") status("")
status(" C/C++:") status(" C/C++:")
status(" Built as dynamic libs?:" BUILD_SHARED_LIBS THEN YES ELSE NO) status(" Built as dynamic libs?:" BUILD_SHARED_LIBS THEN YES ELSE NO)
status(" C++ Compiler:" CMAKE_COMPILER_IS_GNUCXX THEN "${CMAKE_CXX_COMPILER} (ver ${CMAKE_GCC_REGEX_VERSION})" ELSE "${CMAKE_CXX_COMPILER}" ) status(" C++ Compiler:" CMAKE_COMPILER_IS_GNUCXX THEN "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_GCC_REGEX_VERSION})" ELSE "${CMAKE_CXX_COMPILER}" )
status(" C++ flags (Release):" ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}) status(" C++ flags (Release):" ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE})
status(" C++ flags (Debug):" ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}) status(" C++ flags (Debug):" ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG})
status(" C Compiler:" ${CMAKE_C_COMPILER}) status(" C Compiler:" ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
status(" C flags (Release):" ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_RELEASE}) status(" C flags (Release):" ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_RELEASE})
status(" C flags (Debug):" ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_DEBUG}) status(" C flags (Debug):" ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_DEBUG})
if(WIN32) if(WIN32)

25
android/android.toolchain.cmake
View File

@ -187,6 +187,7 @@
# [+] updated for NDK r8b # [+] updated for NDK r8b
# [~] all intermediate files generated by toolchain are moved into CMakeFiles # [~] all intermediate files generated by toolchain are moved into CMakeFiles
# [~] libstdc++ and libsupc are removed from explicit link libraries # [~] libstdc++ and libsupc are removed from explicit link libraries
# [+] added ccache support (via NDK_CCACHE environment or cmake variable)
# ------------------------------------------------------------------------------ # ------------------------------------------------------------------------------
cmake_minimum_required( VERSION 2.6.3 ) cmake_minimum_required( VERSION 2.6.3 )
@ -686,9 +687,25 @@ if( BUILD_WITH_ANDROID_NDK )
endif() endif()
endif() endif()
# ccache support
__INIT_VARIABLE( NDK_CCACHE ENV_NDK_CCACHE )
if( NDK_CCACHE )
get_filename_component(NDK_CCACHE "${NDK_CCACHE}" ABSOLUTE)
set( NDK_CCACHE "${NDK_CCACHE}" CACHE PATH "The path to ccache binary" FORCE )
else()
unset( NDK_CCACHE )
endif()
# specify the cross compiler # specify the cross compiler
set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" ) if( NDK_CCACHE )
set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++" ) set( CMAKE_C_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C compiler" )
set( CMAKE_CXX_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C++ compiler" )
set( CMAKE_C_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc")
set( CMAKE_CXX_COMPILER_ARG1 "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++")
else()
set( CMAKE_C_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" )
set( CMAKE_CXX_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-g++${TOOL_OS_SUFFIX}" CACHE PATH "g++" )
endif()
set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "Assembler" ) set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-gcc${TOOL_OS_SUFFIX}" CACHE PATH "Assembler" )
if( CMAKE_VERSION VERSION_LESS 2.8.5 ) if( CMAKE_VERSION VERSION_LESS 2.8.5 )
set( CMAKE_ASM_COMPILER_ARG1 "-c" ) set( CMAKE_ASM_COMPILER_ARG1 "-c" )
@ -1039,7 +1056,9 @@ endmacro()
# export toolchain settings for the try_compile() command # export toolchain settings for the try_compile() command
if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" ) if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" )
set( __toolchain_config "") set( __toolchain_config "")
foreach( __var ANDROID_ABI ANDROID_FORCE_ARM_BUILD ANDROID_NATIVE_API_LEVEL ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_SET_OBSOLETE_VARIABLES LIBRARY_OUTPUT_PATH_ROOT ANDROID_USE_STLPORT ANDROID_FORBID_SYGWIN ANDROID_NDK ANDROID_STANDALONE_TOOLCHAIN ANDROID_FUNCTION_LEVEL_LINKING __ndklibspath ) foreach( __var NDK_CCACHE ANDROID_ABI ANDROID_FORCE_ARM_BUILD ANDROID_NATIVE_API_LEVEL ANDROID_NO_UNDEFINED
ANDROID_SO_UNDEFINED ANDROID_SET_OBSOLETE_VARIABLES LIBRARY_OUTPUT_PATH_ROOT ANDROID_USE_STLPORT
ANDROID_FORBID_SYGWIN ANDROID_NDK ANDROID_STANDALONE_TOOLCHAIN ANDROID_FUNCTION_LEVEL_LINKING __ndklibspath )
if( DEFINED ${__var} ) if( DEFINED ${__var} )
if( "${__var}" MATCHES " ") if( "${__var}" MATCHES " ")
set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" CACHE INTERNAL \"\" )\n" ) set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" CACHE INTERNAL \"\" )\n" )

4
cmake/OpenCVDetectCXXCompiler.cmake
View File

@ -54,11 +54,11 @@ endif()
# Detect GNU version: # Detect GNU version:
# ---------------------------------------------------------------------------- # ----------------------------------------------------------------------------
if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_COMPILER_IS_GNUCXX)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} --version
OUTPUT_VARIABLE CMAKE_OPENCV_GCC_VERSION_FULL OUTPUT_VARIABLE CMAKE_OPENCV_GCC_VERSION_FULL
OUTPUT_STRIP_TRAILING_WHITESPACE) OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -v execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -v
ERROR_VARIABLE CMAKE_OPENCV_GCC_INFO_FULL ERROR_VARIABLE CMAKE_OPENCV_GCC_INFO_FULL
OUTPUT_STRIP_TRAILING_WHITESPACE) OUTPUT_STRIP_TRAILING_WHITESPACE)