mirror of
https://github.com/opencv/opencv.git
synced 2024-12-15 09:49:13 +08:00
81eb4bd8be
Conflicts: doc/tutorials/features2d/feature_detection/feature_detection.rst modules/bioinspired/doc/retina/index.rst modules/core/include/opencv2/core/core.hpp modules/core/include/opencv2/core/mat.hpp modules/core/include/opencv2/core/operations.hpp modules/core/src/stat.cpp modules/features2d/include/opencv2/features2d/features2d.hpp modules/imgproc/src/filter.cpp modules/legacy/src/dpstereo.cpp modules/nonfree/src/surf.ocl.cpp modules/ocl/doc/image_processing.rst modules/ocl/doc/object_detection.rst modules/ocl/include/opencv2/ocl/ocl.hpp modules/ocl/include/opencv2/ocl/private/util.hpp modules/ocl/src/arithm.cpp modules/ocl/src/canny.cpp modules/ocl/src/filtering.cpp modules/ocl/src/imgproc.cpp modules/ocl/src/initialization.cpp modules/ocl/src/matrix_operations.cpp modules/ocl/src/pyrdown.cpp modules/ocl/src/pyrup.cpp modules/ocl/src/split_merge.cpp modules/ocl/test/test_objdetect.cpp modules/ocl/test/utility.hpp
361 lines
13 KiB
CMake
361 lines
13 KiB
CMake
# taken from http://public.kitware.com/Bug/view.php?id=1260 and slightly adjusted
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# - Try to find precompiled headers support for GCC 3.4 and 4.x
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# Once done this will define:
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#
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# Variable:
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# PCHSupport_FOUND
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#
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# Macro:
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# ADD_PRECOMPILED_HEADER _targetName _input _dowarn
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# ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use _dowarn
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# ADD_NATIVE_PRECOMPILED_HEADER _targetName _input _dowarn
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# GET_NATIVE_PRECOMPILED_HEADER _targetName _input
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IF(CMAKE_COMPILER_IS_GNUCXX)
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EXEC_PROGRAM(
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${CMAKE_CXX_COMPILER}
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ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
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OUTPUT_VARIABLE gcc_compiler_version)
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#MESSAGE("GCC Version: ${gcc_compiler_version}")
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IF(gcc_compiler_version VERSION_GREATER "4.2.-1")
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SET(PCHSupport_FOUND TRUE)
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ENDIF()
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SET(_PCH_include_prefix "-I")
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SET(_PCH_isystem_prefix "-isystem")
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SET(_PCH_define_prefix "-D")
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ELSEIF(CMAKE_GENERATOR MATCHES "^Visual.*$")
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SET(PCHSupport_FOUND TRUE)
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SET(_PCH_include_prefix "/I")
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SET(_PCH_isystem_prefix "/I")
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SET(_PCH_define_prefix "/D")
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ELSE()
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SET(PCHSupport_FOUND FALSE)
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ENDIF()
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MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
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STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
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SET(${_out_compile_flags} ${${_flags_var_name}} )
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IF(CMAKE_COMPILER_IS_GNUCXX)
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GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
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IF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
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LIST(APPEND ${_out_compile_flags} "-fPIC")
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ENDIF()
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GET_TARGET_PROPERTY(_target_definitions ${_PCH_current_target} COMPILE_DEFINITIONS)
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if(_target_definitions)
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foreach(_def ${_target_definitions})
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LIST(APPEND ${_out_compile_flags} "-D${_def}")
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endforeach()
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endif()
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ELSE()
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## TODO ... ? or does it work out of the box
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ENDIF()
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GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES )
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FOREACH(item ${DIRINC})
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if(item MATCHES "^${OpenCV_SOURCE_DIR}/modules/")
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LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}\"${item}\"")
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else()
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LIST(APPEND ${_out_compile_flags} "${_PCH_isystem_prefix}\"${item}\"")
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endif()
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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GET_DIRECTORY_PROPERTY(_global_definitions DIRECTORY ${OpenCV_SOURCE_DIR} DEFINITIONS)
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#MESSAGE("_directory_flags ${_directory_flags} ${_global_definitions}" )
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LIST(APPEND ${_out_compile_flags} ${_directory_flags})
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LIST(APPEND ${_out_compile_flags} ${_global_definitions})
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LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
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SEPARATE_ARGUMENTS(${_out_compile_flags})
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ENDMACRO(_PCH_GET_COMPILE_FLAGS)
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MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)
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SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx)
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IF(CMAKE_HOST_WIN32)
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ADD_CUSTOM_COMMAND(
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OUTPUT "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "#include \\\"${_include_file}\\\"" > "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "int testfunction();" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "int testfunction()" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "{" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo " return 0;" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "}" >> "${${_dephelp}}"
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DEPENDS "${_include_file}"
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)
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else()
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ADD_CUSTOM_COMMAND(
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OUTPUT "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "\\#include \\\"${_include_file}\\\"" > "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "int testfunction\\(\\)\\;" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "int testfunction\\(\\)" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "{" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo " \\return 0\\;" >> "${${_dephelp}}"
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COMMAND ${CMAKE_COMMAND} -E echo "}" >> "${${_dephelp}}"
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DEPENDS "${_include_file}"
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)
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endif()
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ENDMACRO(_PCH_WRITE_PCHDEP_CXX )
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MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
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FILE(TO_NATIVE_PATH ${_input} _native_input)
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FILE(TO_NATIVE_PATH ${_output} _native_output)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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IF(CMAKE_CXX_COMPILER_ARG1)
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# remove leading space in compiler argument
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STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ELSE(CMAKE_CXX_COMPILER_ARG1)
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ENDIF(CMAKE_CXX_COMPILER_ARG1)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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SET(_dummy_str "#include <${_input}>")
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FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str})
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} /c /Fp${_native_output} /Yc${_native_input} pch_dummy.cpp
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)
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#/out:${_output}
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDMACRO(_PCH_GET_COMPILE_COMMAND )
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MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
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FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
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# on all remote machines set
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# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
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# if you want warnings for invalid header files (which is very inconvenient
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# if you have different versions of the headers for different build types
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# you may set _pch_dowarn
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IF (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_header_name}\" -Winvalid-pch " )
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ELSE (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_header_name}\" " )
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ENDIF (_dowarn)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
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MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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GET_FILENAME_COMPONENT(_path ${_input} PATH)
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SET(${_output} "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.gch")
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ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
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MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
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# to do: test whether compiler flags match between target _targetName
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# and _pch_output_to_use
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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IF(ARGN STREQUAL "0")
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SET(_dowarn 0)
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ELSE()
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SET(_dowarn 1)
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ENDIF()
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_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
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#MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
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GET_TARGET_PROPERTY(_sources ${_targetName} SOURCES)
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FOREACH(src ${_sources})
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if(NOT "${src}" MATCHES "\\.mm$")
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get_source_file_property(_flags "${src}" COMPILE_FLAGS)
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if(_flags)
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set(_flags "${_flags} ${_target_cflags}")
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else()
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set(_flags "${_target_cflags}")
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endif()
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set_source_files_properties("${src}" PROPERTIES COMPILE_FLAGS "${_flags}")
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endif()
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ENDFOREACH()
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ADD_CUSTOM_TARGET(pch_Generate_${_targetName}
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DEPENDS ${_pch_output_to_use}
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)
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ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName} )
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ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
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MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
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SET(_PCH_current_target ${_targetName})
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IF(NOT CMAKE_BUILD_TYPE)
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MESSAGE(FATAL_ERROR
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"This is the ADD_PRECOMPILED_HEADER macro. "
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"You must set CMAKE_BUILD_TYPE!"
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)
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ENDIF()
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IF(ARGN STREQUAL "0")
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SET(_dowarn 0)
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ELSE()
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SET(_dowarn 1)
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ENDIF()
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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GET_FILENAME_COMPONENT(_path ${_input} PATH)
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GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output)
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_PCH_WRITE_PCHDEP_CXX(${_targetName} "${_input}" _pch_dephelp_cxx)
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ADD_LIBRARY(${_targetName}_pch_dephelp STATIC "${_pch_dephelp_cxx}" "${_input}" )
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set_target_properties(${_targetName}_pch_dephelp PROPERTIES
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DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
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ARCHIVE_OUTPUT_DIRECTORY "${LIBRARY_OUTPUT_PATH}"
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)
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_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
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get_target_property(type ${_targetName} TYPE)
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if(type STREQUAL "SHARED_LIBRARY")
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get_target_property(__DEFINES ${_targetName} DEFINE_SYMBOL)
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if(NOT __DEFINES MATCHES __DEFINES-NOTFOUND)
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list(APPEND _compile_FLAGS "${_PCH_define_prefix}${__DEFINES}")
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endif()
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endif()
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#MESSAGE("_compile_FLAGS: ${_compile_FLAGS}")
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#message("COMMAND ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}")
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ADD_CUSTOM_COMMAND(
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_name}"
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COMMAND ${CMAKE_COMMAND} -E copy "${_input}" "${CMAKE_CURRENT_BINARY_DIR}/${_name}" # ensure same directory! Required by gcc
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DEPENDS "${_input}"
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)
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#message("_command ${_input} ${_output}")
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_PCH_GET_COMPILE_COMMAND(_command ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_output} )
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GET_FILENAME_COMPONENT(_outdir ${_output} PATH)
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ADD_CUSTOM_COMMAND(
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OUTPUT "${_output}"
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COMMAND ${CMAKE_COMMAND} -E make_directory "${_outdir}"
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COMMAND ${_command}
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DEPENDS "${_input}"
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/${_name}"
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DEPENDS ${_targetName}_pch_dephelp
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)
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ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn})
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ENDMACRO(ADD_PRECOMPILED_HEADER)
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# Generates the use of precompiled in a target,
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# without using depency targets (2 extra for each target)
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# Using Visual, must also add ${_targetName}_pch to sources
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# Not needed by Xcode
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MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
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if(CMAKE_GENERATOR MATCHES "^Visual.*$")
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set(_dummy_str "#include \"${_input}\"\n")
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set(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cpp)
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if(EXISTS ${${_targetName}_pch})
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# Check if contents is the same, if not rewrite
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# todo
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else()
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FILE(WRITE ${${_targetName}_pch} ${_dummy_str})
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endif()
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endif()
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ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER)
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MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
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IF(ARGN STREQUAL "0")
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SET(_dowarn 0)
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ELSE()
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SET(_dowarn 1)
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ENDIF()
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if(CMAKE_GENERATOR MATCHES "^Visual.*$")
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# Auto include the precompile (useful for moc processing, since the use of
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# precompiled is specified at the target level
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# and I don't want to specifiy /F- for each moc/res/ui generated files (using Qt)
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GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
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if (oldProps MATCHES NOTFOUND)
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SET(oldProps "")
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endif()
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SET(newProperties "${oldProps} /Yu\"${_input}\" /FI\"${_input}\"")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
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#also inlude ${oldProps} to have the same compile options
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SET_SOURCE_FILES_PROPERTIES(${${_targetName}_pch} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_input}\"")
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elseif (CMAKE_GENERATOR MATCHES Xcode)
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# For Xcode, cmake needs my patch to process
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# GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties
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# When buiding out of the tree, precompiled may not be located
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# Use full path instead.
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GET_FILENAME_COMPONENT(fullPath ${_input} ABSOLUTE)
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${fullPath}")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
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else()
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#Fallback to the "old" precompiled suppport
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#ADD_PRECOMPILED_HEADER(${_targetName} ${_input} ${_dowarn})
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endif()
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ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
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macro(ocv_add_precompiled_header_to_target the_target pch_header)
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if(PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS AND EXISTS "${pch_header}")
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if(CMAKE_GENERATOR MATCHES "^Visual" OR CMAKE_GENERATOR MATCHES Xcode)
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add_native_precompiled_header(${the_target} ${pch_header})
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elseif(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
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add_precompiled_header(${the_target} ${pch_header})
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endif()
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endif()
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endmacro()
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