mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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518 lines
16 KiB
518 lines
16 KiB
# 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" ${LIBNAME}_VERSION_MAJOR "${${LIBNAME}_H}") |
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${${LIBNAME}_H}") |
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${${LIBNAME}_H}") |
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set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN}) |
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set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN}) |
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set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN}) |
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}") |
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# append a TWEAK version if it exists: |
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set(${LIBNAME}_VERSION_TWEAK "") |
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if("${${LIBNAME}_H}" MATCHES "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$") |
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set(${LIBNAME}_VERSION_TWEAK "${CMAKE_MATCH_1}" ${ARGN}) |
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endif() |
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if(${LIBNAME}_VERSION_TWEAK) |
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}.${${LIBNAME}_VERSION_TWEAK}" ${ARGN}) |
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else() |
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}" ${ARGN}) |
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endif() |
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endif() |
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endmacro() |
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# read single version info from the pkg file |
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macro(ocv_parse_pkg LIBNAME PKG_PATH SCOPE) |
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if(EXISTS "${PKG_PATH}/${LIBNAME}.pc") |
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file(STRINGS "${PKG_PATH}/${LIBNAME}.pc" line_to_parse REGEX "^Version:[ \t]+[0-9.]*.*$" LIMIT_COUNT 1) |
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STRING(REGEX REPLACE ".*Version: ([^ ]+).*" "\\1" ALIASOF_${LIBNAME}_VERSION "${line_to_parse}" ) |
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endif() |
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endmacro() |
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|
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################################################################################################ |
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# short command to setup source group |
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function(ocv_source_group group) |
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cmake_parse_arguments(OCV_SOURCE_GROUP "" "" "GLOB" ${ARGN}) |
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file(GLOB srcs ${OCV_SOURCE_GROUP_GLOB}) |
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source_group(${group} FILES ${srcs}) |
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endfunction()
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