mirror of
https://github.com/opencv/opencv.git
synced 2024-11-25 11:40:44 +08:00
985bfea556
We don't really need it, it makes the code longer, and it can lead to inconsistent paths when OpenCV is itself inside a symlink.
511 lines
16 KiB
CMake
511 lines
16 KiB
CMake
# Search packages for host system instead of packages for target system
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# in case of cross compilation thess macro should be defined by toolchain file
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if(NOT COMMAND find_host_package)
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macro(find_host_package)
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find_package(${ARGN})
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endmacro()
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endif()
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if(NOT COMMAND find_host_program)
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macro(find_host_program)
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find_program(${ARGN})
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endmacro()
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endif()
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# adds include directories in such way that directories from the OpenCV source tree go first
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function(ocv_include_directories)
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set(__add_before "")
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foreach(dir ${ARGN})
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get_filename_component(__abs_dir "${dir}" ABSOLUTE)
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if("${__abs_dir}" MATCHES "^${OpenCV_SOURCE_DIR}" OR "${__abs_dir}" MATCHES "^${OpenCV_BINARY_DIR}")
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list(APPEND __add_before "${dir}")
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else()
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include_directories(AFTER SYSTEM "${dir}")
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endif()
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endforeach()
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include_directories(BEFORE ${__add_before})
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endfunction()
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# clears all passed variables
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macro(ocv_clear_vars)
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foreach(_var ${ARGN})
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unset(${_var} CACHE)
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endforeach()
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endmacro()
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set(OCV_COMPILER_FAIL_REGEX
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"command line option .* is valid for .* but not for C\\+\\+" # GNU
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"command line option .* is valid for .* but not for C" # GNU
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"unrecognized .*option" # GNU
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"unknown .*option" # Clang
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"ignoring unknown option" # MSVC
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"warning D9002" # MSVC, any lang
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"option .*not supported" # Intel
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"[Uu]nknown option" # HP
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"[Ww]arning: [Oo]ption" # SunPro
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"command option .* is not recognized" # XL
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"not supported in this configuration; ignored" # AIX
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"File with unknown suffix passed to linker" # PGI
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"WARNING: unknown flag:" # Open64
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)
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MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
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if(NOT DEFINED ${RESULT})
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if("_${LANG}_" MATCHES "_CXX_")
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set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx")
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if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
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FILE(WRITE "${_fname}" "int main() { return 0; }\n")
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else()
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FILE(WRITE "${_fname}" "#pragma\nint main() { return 0; }\n")
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endif()
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elseif("_${LANG}_" MATCHES "_C_")
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set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c")
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if("${CMAKE_C_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_C_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
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FILE(WRITE "${_fname}" "int main(void) { return 0; }\n")
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else()
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FILE(WRITE "${_fname}" "#pragma\nint main(void) { return 0; }\n")
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endif()
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elseif("_${LANG}_" MATCHES "_OBJCXX_")
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set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.mm")
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if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
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FILE(WRITE "${_fname}" "int main() { return 0; }\n")
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else()
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FILE(WRITE "${_fname}" "#pragma\nint main() { return 0; }\n")
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endif()
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else()
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unset(_fname)
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endif()
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if(_fname)
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MESSAGE(STATUS "Performing Test ${RESULT}")
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TRY_COMPILE(${RESULT}
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${CMAKE_BINARY_DIR}
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"${_fname}"
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COMPILE_DEFINITIONS "${FLAG}"
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OUTPUT_VARIABLE OUTPUT)
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FOREACH(_regex ${OCV_COMPILER_FAIL_REGEX})
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IF("${OUTPUT}" MATCHES "${_regex}")
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SET(${RESULT} 0)
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break()
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ENDIF()
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ENDFOREACH()
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IF(${RESULT})
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SET(${RESULT} 1 CACHE INTERNAL "Test ${RESULT}")
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MESSAGE(STATUS "Performing Test ${RESULT} - Success")
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ELSE(${RESULT})
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MESSAGE(STATUS "Performing Test ${RESULT} - Failed")
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SET(${RESULT} "" CACHE INTERNAL "Test ${RESULT}")
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ENDIF(${RESULT})
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else()
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SET(${RESULT} 0)
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endif()
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endif()
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ENDMACRO()
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macro(ocv_check_flag_support lang flag varname)
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if("_${lang}_" MATCHES "_CXX_")
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set(_lang CXX)
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elseif("_${lang}_" MATCHES "_C_")
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set(_lang C)
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elseif("_${lang}_" MATCHES "_OBJCXX_")
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set(_lang OBJCXX)
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else()
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set(_lang ${lang})
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endif()
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string(TOUPPER "${flag}" ${varname})
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string(REGEX REPLACE "^(/|-)" "HAVE_${_lang}_" ${varname} "${${varname}}")
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string(REGEX REPLACE " -|-|=| |\\." "_" ${varname} "${${varname}}")
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ocv_check_compiler_flag("${_lang}" "${ARGN} ${flag}" ${${varname}})
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endmacro()
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# turns off warnings
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macro(ocv_warnings_disable)
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if(NOT ENABLE_NOISY_WARNINGS)
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set(_flag_vars "")
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set(_msvc_warnings "")
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set(_gxx_warnings "")
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foreach(arg ${ARGN})
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if(arg MATCHES "^CMAKE_")
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list(APPEND _flag_vars ${arg})
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elseif(arg MATCHES "^/wd")
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list(APPEND _msvc_warnings ${arg})
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elseif(arg MATCHES "^-W")
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list(APPEND _gxx_warnings ${arg})
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endif()
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endforeach()
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if(MSVC AND _msvc_warnings AND _flag_vars)
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foreach(var ${_flag_vars})
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foreach(warning ${_msvc_warnings})
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set(${var} "${${var}} ${warning}")
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endforeach()
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endforeach()
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elseif((CMAKE_COMPILER_IS_GNUCXX OR (UNIX AND CV_ICC)) AND _gxx_warnings AND _flag_vars)
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foreach(var ${_flag_vars})
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foreach(warning ${_gxx_warnings})
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if(NOT warning MATCHES "^-Wno-")
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string(REPLACE "${warning}" "" ${var} "${${var}}")
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string(REPLACE "-W" "-Wno-" warning "${warning}")
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endif()
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ocv_check_flag_support(${var} "${warning}" _varname)
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if(${_varname})
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set(${var} "${${var}} ${warning}")
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endif()
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endforeach()
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endforeach()
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endif()
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unset(_flag_vars)
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unset(_msvc_warnings)
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unset(_gxx_warnings)
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endif(NOT ENABLE_NOISY_WARNINGS)
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endmacro()
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# Provides an option that the user can optionally select.
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# Can accept condition to control when option is available for user.
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# Usage:
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# option(<option_variable> "help string describing the option" <initial value or boolean expression> [IF <condition>])
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macro(OCV_OPTION variable description value)
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set(__value ${value})
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set(__condition "")
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set(__varname "__value")
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foreach(arg ${ARGN})
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if(arg STREQUAL "IF" OR arg STREQUAL "if")
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set(__varname "__condition")
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else()
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list(APPEND ${__varname} ${arg})
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endif()
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endforeach()
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unset(__varname)
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if("${__condition}" STREQUAL "")
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set(__condition 2 GREATER 1)
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endif()
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if(${__condition})
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if("${__value}" MATCHES ";")
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if(${__value})
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option(${variable} "${description}" ON)
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else()
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option(${variable} "${description}" OFF)
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endif()
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elseif(DEFINED ${__value})
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if(${__value})
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option(${variable} "${description}" ON)
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else()
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option(${variable} "${description}" OFF)
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endif()
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else()
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option(${variable} "${description}" ${__value})
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endif()
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else()
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unset(${variable} CACHE)
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endif()
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unset(__condition)
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unset(__value)
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endmacro()
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# Macros that checks if module have been installed.
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# After it adds module to build and define
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# constants passed as second arg
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macro(CHECK_MODULE module_name define)
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set(${define} 0)
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if(PKG_CONFIG_FOUND)
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set(ALIAS ALIASOF_${module_name})
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set(ALIAS_FOUND ${ALIAS}_FOUND)
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set(ALIAS_INCLUDE_DIRS ${ALIAS}_INCLUDE_DIRS)
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set(ALIAS_LIBRARY_DIRS ${ALIAS}_LIBRARY_DIRS)
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set(ALIAS_LIBRARIES ${ALIAS}_LIBRARIES)
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PKG_CHECK_MODULES(${ALIAS} ${module_name})
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if(${ALIAS_FOUND})
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set(${define} 1)
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foreach(P "${ALIAS_INCLUDE_DIRS}")
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if(${P})
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list(APPEND HIGHGUI_INCLUDE_DIRS ${${P}})
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endif()
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endforeach()
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foreach(P "${ALIAS_LIBRARY_DIRS}")
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if(${P})
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list(APPEND HIGHGUI_LIBRARY_DIRS ${${P}})
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endif()
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endforeach()
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list(APPEND HIGHGUI_LIBRARIES ${${ALIAS_LIBRARIES}})
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endif()
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endif()
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endmacro()
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set(OPENCV_BUILD_INFO_FILE "${OpenCV_BINARY_DIR}/version_string.tmp")
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file(REMOVE "${OPENCV_BUILD_INFO_FILE}")
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function(ocv_output_status msg)
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message(STATUS "${msg}")
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string(REPLACE "\\" "\\\\" msg "${msg}")
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string(REPLACE "\"" "\\\"" msg "${msg}")
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file(APPEND "${OPENCV_BUILD_INFO_FILE}" "\"${msg}\\n\"\n")
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endfunction()
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macro(ocv_finalize_status)
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if(NOT OPENCV_SKIP_STATUS_FINALIZATION)
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if(TARGET opencv_core)
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${OPENCV_BUILD_INFO_FILE}" "${opencv_core_BINARY_DIR}/version_string.inc" OUTPUT_QUIET)
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endif()
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endif()
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endmacro()
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# Status report function.
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# Automatically align right column and selects text based on condition.
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# Usage:
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# status(<text>)
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# status(<heading> <value1> [<value2> ...])
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# status(<heading> <condition> THEN <text for TRUE> ELSE <text for FALSE> )
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function(status text)
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set(status_cond)
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set(status_then)
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set(status_else)
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set(status_current_name "cond")
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foreach(arg ${ARGN})
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if(arg STREQUAL "THEN")
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set(status_current_name "then")
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elseif(arg STREQUAL "ELSE")
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set(status_current_name "else")
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else()
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list(APPEND status_${status_current_name} ${arg})
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endif()
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endforeach()
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if(DEFINED status_cond)
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set(status_placeholder_length 32)
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string(RANDOM LENGTH ${status_placeholder_length} ALPHABET " " status_placeholder)
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string(LENGTH "${text}" status_text_length)
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if(status_text_length LESS status_placeholder_length)
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string(SUBSTRING "${text}${status_placeholder}" 0 ${status_placeholder_length} status_text)
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elseif(DEFINED status_then OR DEFINED status_else)
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ocv_output_status("${text}")
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set(status_text "${status_placeholder}")
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else()
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set(status_text "${text}")
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endif()
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if(DEFINED status_then OR DEFINED status_else)
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if(${status_cond})
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string(REPLACE ";" " " status_then "${status_then}")
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string(REGEX REPLACE "^[ \t]+" "" status_then "${status_then}")
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ocv_output_status("${status_text} ${status_then}")
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else()
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string(REPLACE ";" " " status_else "${status_else}")
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string(REGEX REPLACE "^[ \t]+" "" status_else "${status_else}")
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ocv_output_status("${status_text} ${status_else}")
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endif()
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else()
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string(REPLACE ";" " " status_cond "${status_cond}")
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string(REGEX REPLACE "^[ \t]+" "" status_cond "${status_cond}")
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ocv_output_status("${status_text} ${status_cond}")
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endif()
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else()
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ocv_output_status("${text}")
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endif()
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endfunction()
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# splits cmake libraries list of format "general;item1;debug;item2;release;item3" to two lists
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macro(ocv_split_libs_list lst lstdbg lstopt)
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set(${lstdbg} "")
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set(${lstopt} "")
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set(perv_keyword "")
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foreach(word ${${lst}})
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if(word STREQUAL "debug" OR word STREQUAL "optimized")
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set(perv_keyword ${word})
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elseif(word STREQUAL "general")
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set(perv_keyword "")
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elseif(perv_keyword STREQUAL "debug")
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list(APPEND ${lstdbg} "${word}")
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set(perv_keyword "")
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elseif(perv_keyword STREQUAL "optimized")
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list(APPEND ${lstopt} "${word}")
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set(perv_keyword "")
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else()
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list(APPEND ${lstdbg} "${word}")
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list(APPEND ${lstopt} "${word}")
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set(perv_keyword "")
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endif()
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endforeach()
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endmacro()
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# remove all matching elements from the list
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macro(ocv_list_filterout lst regex)
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foreach(item ${${lst}})
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if(item MATCHES "${regex}")
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list(REMOVE_ITEM ${lst} "${item}")
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endif()
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endforeach()
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endmacro()
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# stable & safe duplicates removal macro
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macro(ocv_list_unique __lst)
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if(${__lst})
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list(REMOVE_DUPLICATES ${__lst})
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endif()
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endmacro()
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# safe list reversal macro
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macro(ocv_list_reverse __lst)
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if(${__lst})
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list(REVERSE ${__lst})
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endif()
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endmacro()
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# safe list sorting macro
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macro(ocv_list_sort __lst)
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if(${__lst})
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list(SORT ${__lst})
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endif()
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endmacro()
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# add prefix to each item in the list
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macro(ocv_list_add_prefix LST PREFIX)
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set(__tmp "")
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foreach(item ${${LST}})
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list(APPEND __tmp "${PREFIX}${item}")
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endforeach()
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set(${LST} ${__tmp})
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unset(__tmp)
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endmacro()
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# add suffix to each item in the list
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macro(ocv_list_add_suffix LST SUFFIX)
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set(__tmp "")
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foreach(item ${${LST}})
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list(APPEND __tmp "${item}${SUFFIX}")
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endforeach()
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set(${LST} ${__tmp})
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unset(__tmp)
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endmacro()
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# gets and removes the first element from list
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macro(ocv_list_pop_front LST VAR)
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if(${LST})
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list(GET ${LST} 0 ${VAR})
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list(REMOVE_AT ${LST} 0)
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else()
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set(${VAR} "")
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endif()
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endmacro()
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# simple regex escaping routine (does not cover all cases!!!)
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macro(ocv_regex_escape var regex)
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string(REGEX REPLACE "([+.*^$])" "\\\\1" ${var} "${regex}")
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endmacro()
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# convert list of paths to full paths
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macro(ocv_convert_to_full_paths VAR)
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if(${VAR})
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set(__tmp "")
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foreach(path ${${VAR}})
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get_filename_component(${VAR} "${path}" ABSOLUTE)
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list(APPEND __tmp "${${VAR}}")
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endforeach()
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set(${VAR} ${__tmp})
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unset(__tmp)
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endif()
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endmacro()
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# read set of version defines from the header file
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macro(ocv_parse_header FILENAME FILE_VAR)
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set(vars_regex "")
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set(__parnet_scope OFF)
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set(__add_cache OFF)
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foreach(name ${ARGN})
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if("${name}" STREQUAL "PARENT_SCOPE")
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set(__parnet_scope ON)
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elseif("${name}" STREQUAL "CACHE")
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set(__add_cache ON)
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elseif(vars_regex)
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set(vars_regex "${vars_regex}|${name}")
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else()
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set(vars_regex "${name}")
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endif()
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endforeach()
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if(EXISTS "${FILENAME}")
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file(STRINGS "${FILENAME}" ${FILE_VAR} REGEX "#define[ \t]+(${vars_regex})[ \t]+[0-9]+" )
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else()
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unset(${FILE_VAR})
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endif()
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foreach(name ${ARGN})
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if(NOT "${name}" STREQUAL "PARENT_SCOPE" AND NOT "${name}" STREQUAL "CACHE")
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if(${FILE_VAR})
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if(${FILE_VAR} MATCHES ".+[ \t]${name}[ \t]+([0-9]+).*")
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string(REGEX REPLACE ".+[ \t]${name}[ \t]+([0-9]+).*" "\\1" ${name} "${${FILE_VAR}}")
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else()
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set(${name} "")
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endif()
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if(__add_cache)
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set(${name} ${${name}} CACHE INTERNAL "${name} parsed from ${FILENAME}" FORCE)
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elseif(__parnet_scope)
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set(${name} "${${name}}" PARENT_SCOPE)
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endif()
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else()
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unset(${name} CACHE)
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endif()
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endif()
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endforeach()
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endmacro()
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# read single version define from the header file
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macro(ocv_parse_header2 LIBNAME HDR_PATH VARNAME)
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ocv_clear_vars(${LIBNAME}_VERSION_MAJOR
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${LIBNAME}_VERSION_MAJOR
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${LIBNAME}_VERSION_MINOR
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${LIBNAME}_VERSION_PATCH
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${LIBNAME}_VERSION_TWEAK
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${LIBNAME}_VERSION_STRING)
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set(${LIBNAME}_H "")
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if(EXISTS "${HDR_PATH}")
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file(STRINGS "${HDR_PATH}" ${LIBNAME}_H REGEX "^#define[ \t]+${VARNAME}[ \t]+\"[^\"]*\".*$" LIMIT_COUNT 1)
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endif()
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if(${LIBNAME}_H)
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MAJOR "${${LIBNAME}_H}")
|
|
string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${${LIBNAME}_H}")
|
|
string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${${LIBNAME}_H}")
|
|
set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN})
|
|
set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN})
|
|
set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN})
|
|
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}")
|
|
|
|
# append a TWEAK version if it exists:
|
|
set(${LIBNAME}_VERSION_TWEAK "")
|
|
if("${${LIBNAME}_H}" MATCHES "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$")
|
|
set(${LIBNAME}_VERSION_TWEAK "${CMAKE_MATCH_1}" ${ARGN})
|
|
endif()
|
|
if(${LIBNAME}_VERSION_TWEAK)
|
|
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}.${${LIBNAME}_VERSION_TWEAK}" ${ARGN})
|
|
else()
|
|
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}" ${ARGN})
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
|
|
################################################################################################
|
|
# short command to setup source group
|
|
function(ocv_source_group group)
|
|
cmake_parse_arguments(OCV_SOURCE_GROUP "" "" "GLOB" ${ARGN})
|
|
file(GLOB srcs ${OCV_SOURCE_GROUP_GLOB})
|
|
source_group(${group} FILES ${srcs})
|
|
endfunction() |