1 if(COMMAND ocv_cmake_dump_vars) # include guard
5 include(CMakeParseArguments)
8 function(ocv_cmake_dump_vars)
9 set(OPENCV_SUPPRESS_DEPRECATIONS 1) # suppress deprecation warnings from variable_watch() guards
10 get_cmake_property(__variableNames VARIABLES)
11 cmake_parse_arguments(DUMP "" "TOFILE" "" ${ARGN})
12 set(regex "${DUMP_UNPARSED_ARGUMENTS}")
13 string(TOLOWER "${regex}" regex_lower)
15 foreach(__variableName ${__variableNames})
16 string(TOLOWER "${__variableName}" __variableName_lower)
17 if((__variableName MATCHES "${regex}" OR __variableName_lower MATCHES "${regex_lower}")
18 AND NOT __variableName_lower MATCHES "^__")
19 get_property(__value VARIABLE PROPERTY "${__variableName}")
20 set(__VARS "${__VARS}${__variableName}=${__value}\n")
24 file(WRITE ${CMAKE_BINARY_DIR}/${DUMP_TOFILE} "${__VARS}")
26 message(AUTHOR_WARNING "${__VARS}")
32 # CMake script hooks support
34 option(OPENCV_DUMP_HOOKS_FLOW "Dump called OpenCV hooks" OFF)
35 macro(ocv_cmake_hook_append hook_name)
36 set(__var_name "__OPENCV_CMAKE_HOOKS_${hook_name}")
37 set(__value "${${__var_name}}")
38 message(STATUS "Registering hook '${hook_name}': ${ARGN}")
39 list(APPEND __value ${ARGN})
40 set(${__var_name} "${__value}" CACHE INTERNAL "")
42 macro(ocv_cmake_hook hook_name)
43 set(__var_name "__OPENCV_CMAKE_HOOKS_${hook_name}")
44 if(OPENCV_DUMP_HOOKS_FLOW)
45 message(STATUS "Hook ${hook_name} ...")
47 foreach(__hook ${${__var_name}})
48 #message(STATUS "Hook ${hook_name}: calling '${__hook}' ...")
49 if(COMMAND "${__hook}")
50 message(FATAL_ERROR "Indirect calling of CMake commands is not supported yet")
56 macro(ocv_cmake_reset_hooks)
57 get_cmake_property(__variableNames VARIABLES)
58 foreach(__variableName ${__variableNames})
59 if(__variableName MATCHES "^__OPENCV_CMAKE_HOOKS_")
60 unset(${__variableName})
61 unset(${__variableName} CACHE)
65 macro(ocv_cmake_hook_register_dir dir)
66 file(GLOB hook_files RELATIVE "${dir}" "${dir}/*.cmake")
67 foreach(f ${hook_files})
68 if(f MATCHES "^(.+)\\.cmake$")
69 set(hook_name "${CMAKE_MATCH_1}")
70 ocv_cmake_hook_append(${hook_name} "${dir}/${f}")
76 function(ocv_cmake_eval var_name)
77 if(DEFINED ${var_name})
78 file(WRITE "${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake" ${${var_name}})
79 include("${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake")
81 if(";${ARGN};" MATCHES ";ONCE;")
82 unset(${var_name} CACHE)
86 macro(ocv_cmake_configure file_name var_name)
87 file(READ "${file_name}" __config)
88 string(CONFIGURE "${__config}" ${var_name} ${ARGN})
92 if(NOT DEFINED ${VAR})
93 if("x${ARGN}" STREQUAL "x")
99 #ocv_debug_message("Preserve old value for ${VAR}: ${${VAR}}")
103 function(_ocv_access_removed_variable VAR ACCESS)
104 if(ACCESS STREQUAL "MODIFIED_ACCESS")
105 set(OPENCV_SUPPRESS_MESSAGE_REMOVED_VARIABLE_${VAR} 1 PARENT_SCOPE)
108 if(ACCESS MATCHES "UNKNOWN_.*"
109 AND NOT OPENCV_SUPPRESS_MESSAGE_REMOVED_VARIABLE
110 AND NOT OPENCV_SUPPRESS_MESSAGE_REMOVED_VARIABLE_${VAR}
112 message(WARNING "OpenCV: Variable has been removed from CMake scripts: ${VAR}")
113 set(OPENCV_SUPPRESS_MESSAGE_REMOVED_VARIABLE_${VAR} 1 PARENT_SCOPE) # suppress similar messages
116 macro(ocv_declare_removed_variable VAR)
117 if(NOT DEFINED ${VAR}) # don't hit external variables
118 variable_watch(${VAR} _ocv_access_removed_variable)
121 macro(ocv_declare_removed_variables)
122 foreach(_var ${ARGN})
123 ocv_declare_removed_variable(${_var})
127 # Search packages for the host system instead of packages for the target system
128 # in case of cross compilation these macros should be defined by the toolchain file
129 if(NOT COMMAND find_host_package)
130 macro(find_host_package)
131 find_package(${ARGN})
134 if(NOT COMMAND find_host_program)
135 macro(find_host_program)
136 find_program(${ARGN})
141 # Note: it doesn't support lists in arguments
143 # ocv_assert(MyLib_FOUND)
144 # ocv_assert(DEFINED MyLib_INCLUDE_DIRS)
147 string(REPLACE ";" " " __assert_msg "${ARGN}")
148 message(AUTHOR_WARNING "Assertion failed: ${__assert_msg}")
152 macro(ocv_debug_message)
153 if(OPENCV_CMAKE_DEBUG_MESSAGES)
154 string(REPLACE ";" " " __msg "${ARGN}")
155 message(STATUS "${__msg}")
159 macro(ocv_check_environment_variables)
160 foreach(_var ${ARGN})
161 if(" ${${_var}}" STREQUAL " " AND DEFINED ENV{${_var}})
162 set(__value "$ENV{${_var}}")
163 file(TO_CMAKE_PATH "${__value}" __value) # Assume that we receive paths
164 set(${_var} "${__value}")
165 message(STATUS "Update variable ${_var} from environment: ${${_var}}")
170 macro(ocv_path_join result_var P1 P2_)
171 string(REGEX REPLACE "^[/]+" "" P2 "${P2_}")
172 if("${P1}" STREQUAL "" OR "${P1}" STREQUAL ".")
173 set(${result_var} "${P2}")
174 elseif("${P1}" STREQUAL "/")
175 set(${result_var} "/${P2}")
176 elseif("${P2}" STREQUAL "")
177 set(${result_var} "${P1}")
179 set(${result_var} "${P1}/${P2}")
181 string(REPLACE "\\\\" "\\" ${result_var} "${${result_var}}")
182 string(REPLACE "//" "/" ${result_var} "${${result_var}}")
183 string(REGEX REPLACE "(^|[/\\])[\\.][/\\]" "\\1" ${result_var} "${${result_var}}")
184 if("${${result_var}}" STREQUAL "")
185 set(${result_var} ".")
187 #message(STATUS "'${P1}' '${P2_}' => '${${result_var}}'")
191 # Used to parse Android SDK 'source.properties' files
193 # - '<var_name>=<value>' (with possible 'space' symbols around '=')
195 # Parsed values are saved into CMake variables:
196 # - '${var_prefix}_${var_name}'
198 # - 'CACHE_VAR <var1> <var2>' - put these properties into CMake internal cache
199 # - 'MSG_PREFIX <msg>' - prefix string for emitted messages
200 # - flag 'VALIDATE' - emit messages about missing values from required cached variables
201 # - flag 'WARNING' - emit CMake WARNING instead of STATUS messages
202 function(ocv_parse_properties_file file var_prefix)
203 cmake_parse_arguments(PARSE_PROPERTIES_PARAM "VALIDATE;WARNING" "" "CACHE_VAR;MSG_PREFIX" ${ARGN})
205 set(__msg_type STATUS)
206 if(PARSE_PROPERTIES_PARAM_WARNING)
207 set(__msg_type WARNING)
211 set(SOURCE_PROPERTIES_REGEX "^[ ]*([^=:\n\"' ]+)[ ]*=[ ]*(.*)$")
212 file(STRINGS "${file}" SOURCE_PROPERTIES_LINES REGEX "^[ ]*[^#].*$")
213 foreach(line ${SOURCE_PROPERTIES_LINES})
214 if(line MATCHES "${SOURCE_PROPERTIES_REGEX}")
215 set(__name "${CMAKE_MATCH_1}")
216 set(__value "${CMAKE_MATCH_2}")
217 string(REGEX REPLACE "[^a-zA-Z0-9_]" "_" __name ${__name})
218 if(";${PARSE_PROPERTIES_PARAM_CACHE_VAR};" MATCHES ";${__name};")
219 set(${var_prefix}_${__name} "${__value}" CACHE INTERNAL "from ${file}")
221 set(${var_prefix}_${__name} "${__value}" PARENT_SCOPE)
224 message(${__msg_type} "${PARSE_PROPERTIES_PARAM_MSG_PREFIX}Can't parse source property: '${line}' (from ${file})")
227 if(PARSE_PROPERTIES_PARAM_VALIDATE)
229 foreach(__name ${PARSE_PROPERTIES_PARAM_CACHE_VAR})
230 if(NOT DEFINED ${var_prefix}_${__name})
231 list(APPEND __missing ${__name})
235 message(${__msg_type} "${PARSE_PROPERTIES_PARAM_MSG_PREFIX}Can't read properties '${__missing}' from '${file}'")
239 message(${__msg_type} "${PARSE_PROPERTIES_PARAM_MSG_PREFIX}Can't find file: ${file}")
245 # rename modules target to world if needed
246 macro(_ocv_fix_target target_var)
247 if(BUILD_opencv_world)
248 if(OPENCV_MODULE_${${target_var}}_IS_PART_OF_WORLD)
249 set(${target_var} opencv_world)
255 # check if "sub" (file or dir) is below "dir"
256 function(ocv_is_subdir res dir sub )
257 get_filename_component(dir "${dir}" ABSOLUTE)
258 get_filename_component(sub "${sub}" ABSOLUTE)
259 file(TO_CMAKE_PATH "${dir}" dir)
260 file(TO_CMAKE_PATH "${sub}" sub)
262 string(LENGTH "${dir}" len)
263 string(LENGTH "${sub}" len_sub)
264 if(NOT len GREATER len_sub)
265 string(SUBSTRING "${sub}" 0 ${len} prefix)
267 if(prefix AND prefix STREQUAL dir)
268 set(${res} TRUE PARENT_SCOPE)
270 set(${res} FALSE PARENT_SCOPE)
275 function(ocv_is_opencv_directory result_var dir)
277 foreach(parent ${OpenCV_SOURCE_DIR} ${OpenCV_BINARY_DIR} ${OPENCV_EXTRA_MODULES_PATH})
278 ocv_is_subdir(result "${parent}" "${dir}")
283 set(${result_var} ${result} PARENT_SCOPE)
287 # adds include directories in such a way that directories from the OpenCV source tree go first
288 function(ocv_include_directories)
289 ocv_debug_message("ocv_include_directories( ${ARGN} )")
292 ocv_is_opencv_directory(__is_opencv_dir "${dir}")
294 list(APPEND __add_before "${dir}")
295 elseif(((CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0") OR CV_CLANG) AND
296 dir MATCHES "/usr/include$")
297 # workaround for GCC 6.x bug
299 include_directories(AFTER SYSTEM "${dir}")
302 include_directories(BEFORE ${__add_before})
305 function(ocv_append_target_property target prop)
306 get_target_property(val ${target} ${prop})
308 set(val "${val} ${ARGN}")
309 set_target_properties(${target} PROPERTIES ${prop} "${val}")
311 set_target_properties(${target} PROPERTIES ${prop} "${ARGN}")
315 if(DEFINED OPENCV_DEPENDANT_TARGETS_LIST)
316 foreach(v ${OPENCV_DEPENDANT_TARGETS_LIST})
319 unset(OPENCV_DEPENDANT_TARGETS_LIST CACHE)
322 function(ocv_append_dependant_targets target)
323 #ocv_debug_message("ocv_append_dependant_targets(${target} ${ARGN})")
324 _ocv_fix_target(target)
325 list(FIND OPENCV_DEPENDANT_TARGETS_LIST "OPENCV_DEPENDANT_TARGETS_${target}" __id)
327 list(APPEND OPENCV_DEPENDANT_TARGETS_LIST "OPENCV_DEPENDANT_TARGETS_${target}")
328 list(SORT OPENCV_DEPENDANT_TARGETS_LIST)
329 set(OPENCV_DEPENDANT_TARGETS_LIST "${OPENCV_DEPENDANT_TARGETS_LIST}" CACHE INTERNAL "")
331 set(OPENCV_DEPENDANT_TARGETS_${target} "${OPENCV_DEPENDANT_TARGETS_${target}};${ARGN}" CACHE INTERNAL "" FORCE)
334 # adds include directories in such a way that directories from the OpenCV source tree go first
335 function(ocv_target_include_directories target)
336 #ocv_debug_message("ocv_target_include_directories(${target} ${ARGN})")
337 _ocv_fix_target(target)
339 if(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
340 ";${ARGN};" MATCHES "/usr/include;")
341 return() # workaround for GCC 6.x bug
344 set(__system_params "")
345 set(__var_name __params)
347 if("${dir}" STREQUAL "SYSTEM")
348 set(__var_name __system_params)
350 get_filename_component(__abs_dir "${dir}" ABSOLUTE)
351 ocv_is_opencv_directory(__is_opencv_dir "${dir}")
353 list(APPEND ${__var_name} "${__abs_dir}")
355 list(APPEND ${__var_name} "${dir}")
359 if(HAVE_CUDA OR CMAKE_VERSION VERSION_LESS 2.8.11)
360 include_directories(${__params})
361 include_directories(SYSTEM ${__system_params})
365 target_include_directories(${target} PRIVATE ${__params})
366 if(OPENCV_DEPENDANT_TARGETS_${target})
367 foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
368 target_include_directories(${t} PRIVATE ${__params})
373 target_include_directories(${target} SYSTEM PRIVATE ${__system_params})
374 if(OPENCV_DEPENDANT_TARGETS_${target})
375 foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
376 target_include_directories(${t} SYSTEM PRIVATE ${__system_params})
382 set(__new_inc ${OCV_TARGET_INCLUDE_DIRS_${target}})
383 list(APPEND __new_inc ${__params})
384 set(OCV_TARGET_INCLUDE_DIRS_${target} "${__new_inc}" CACHE INTERNAL "")
387 set(__new_inc ${OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target}})
388 list(APPEND __new_inc ${__system_params})
389 set(OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target} "${__new_inc}" CACHE INTERNAL "")
395 # clears all passed variables
396 macro(ocv_clear_vars)
397 foreach(_var ${ARGN})
403 set(OCV_COMPILER_FAIL_REGEX
404 "argument '.*' is not valid" # GCC 9+
405 "command line option .* is valid for .* but not for C\\+\\+" # GNU
406 "command line option .* is valid for .* but not for C" # GNU
407 "unrecognized .*option" # GNU
408 "unknown .*option" # Clang
409 "ignoring unknown option" # MSVC
410 "warning D9002" # MSVC, any lang
411 "option .*not supported" # Intel
412 "[Uu]nknown option" # HP
413 "[Ww]arning: [Oo]ption" # SunPro
414 "command option .* is not recognized" # XL
415 "not supported in this configuration, ignored" # AIX (';' is replaced with ',')
416 "File with unknown suffix passed to linker" # PGI
417 "WARNING: unknown flag:" # Open64
420 MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
421 set(_fname "${ARGN}")
422 if(NOT DEFINED ${RESULT})
425 elseif("_${LANG}_" MATCHES "_CXX_")
426 set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx")
427 if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
428 FILE(WRITE "${_fname}" "int main() { return 0; }\n")
430 FILE(WRITE "${_fname}" "#pragma\nint main() { return 0; }\n")
432 elseif("_${LANG}_" MATCHES "_C_")
433 set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c")
434 if("${CMAKE_C_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_C_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
435 FILE(WRITE "${_fname}" "int main(void) { return 0; }\n")
437 FILE(WRITE "${_fname}" "#pragma\nint main(void) { return 0; }\n")
439 elseif("_${LANG}_" MATCHES "_OBJCXX_")
440 set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.mm")
441 if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
442 FILE(WRITE "${_fname}" "int main() { return 0; }\n")
444 FILE(WRITE "${_fname}" "#pragma\nint main() { return 0; }\n")
450 if(NOT "x${ARGN}" STREQUAL "x")
451 file(RELATIVE_PATH __msg "${CMAKE_SOURCE_DIR}" "${ARGN}")
452 set(__msg " (check file: ${__msg})")
456 if(CMAKE_REQUIRED_LIBRARIES)
457 set(__link_libs LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
461 set(__cmake_flags "")
462 if(CMAKE_EXE_LINKER_FLAGS) # CMP0056 do this on new CMake
463 list(APPEND __cmake_flags "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_EXE_LINKER_FLAGS}")
466 # CMP0067 do this on new CMake
467 if(DEFINED CMAKE_CXX_STANDARD)
468 list(APPEND __cmake_flags "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}")
470 if(DEFINED CMAKE_CXX_STANDARD_REQUIRED)
471 list(APPEND __cmake_flags "-DCMAKE_CXX_STANDARD_REQUIRED=${CMAKE_CXX_STANDARD_REQUIRED}")
473 if(DEFINED CMAKE_CXX_EXTENSIONS)
474 list(APPEND __cmake_flags "-DCMAKE_CXX_EXTENSIONS=${CMAKE_CXX_EXTENSIONS}")
477 MESSAGE(STATUS "Performing Test ${RESULT}${__msg}")
478 TRY_COMPILE(${RESULT}
479 "${CMAKE_BINARY_DIR}"
481 CMAKE_FLAGS ${__cmake_flags}
482 COMPILE_DEFINITIONS "${FLAG}"
484 OUTPUT_VARIABLE OUTPUT)
487 string(REPLACE ";" "," OUTPUT_LINES "${OUTPUT}")
488 string(REPLACE "\n" ";" OUTPUT_LINES "${OUTPUT_LINES}")
489 foreach(_regex ${OCV_COMPILER_FAIL_REGEX})
493 foreach(_line ${OUTPUT_LINES})
494 if("${_line}" MATCHES "${_regex}")
495 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
496 "Build output check failed:\n"
497 " Regex: '${_regex}'\n"
498 " Output line: '${_line}'\n")
507 SET(${RESULT} 1 CACHE INTERNAL "Test ${RESULT}")
508 MESSAGE(STATUS "Performing Test ${RESULT} - Success")
510 MESSAGE(STATUS "Performing Test ${RESULT} - Failed")
511 SET(${RESULT} "" CACHE INTERNAL "Test ${RESULT}")
512 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
513 "Compilation failed:\n"
514 " source file: '${_fname}'\n"
515 " check option: '${FLAG}'\n"
516 "===== BUILD LOG =====\n"
518 "===== END =====\n\n")
526 macro(ocv_check_flag_support lang flag varname base_options)
528 set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
531 if("_${lang}_" MATCHES "_CXX_")
533 elseif("_${lang}_" MATCHES "_C_")
535 elseif("_${lang}_" MATCHES "_OBJCXX_")
541 string(TOUPPER "${flag}" ${varname})
542 string(REGEX REPLACE "^(/|-)" "HAVE_${_lang}_" ${varname} "${${varname}}")
543 string(REGEX REPLACE " -|-|=| |\\." "_" ${varname} "${${varname}}")
545 ocv_check_compiler_flag("${_lang}" "${base_options} ${flag}" ${${varname}} ${ARGN})
548 macro(ocv_check_runtime_flag flag result)
549 set(_fname "${ARGN}")
550 if(NOT DEFINED ${result})
551 file(RELATIVE_PATH _rname "${CMAKE_SOURCE_DIR}" "${_fname}")
552 message(STATUS "Performing Runtime Test ${result} (check file: ${_rname})")
553 try_run(exec_return compile_result
554 "${CMAKE_BINARY_DIR}"
556 CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_EXE_LINKER_FLAGS}" # CMP0056 do this on new CMake
557 COMPILE_DEFINITIONS "${flag}"
558 OUTPUT_VARIABLE OUTPUT)
560 if(${compile_result})
561 if(exec_return EQUAL 0)
562 set(${result} 1 CACHE INTERNAL "Runtime Test ${result}")
563 message(STATUS "Performing Runtime Test ${result} - Success")
565 message(STATUS "Performing Runtime Test ${result} - Failed(${exec_return})")
566 set(${result} 0 CACHE INTERNAL "Runtime Test ${result}")
569 set(${result} 0 CACHE INTERNAL "Runtime Test ${result}")
570 message(STATUS "Performing Runtime Test ${result} - Compiling Failed")
574 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
575 "Runtime Test failed:\n"
576 " source file: '${_fname}'\n"
577 " check option: '${flag}'\n"
578 " exec return: ${exec_return}\n"
579 "===== BUILD AND RUNTIME LOG =====\n"
581 "===== END =====\n\n")
587 macro(ocv_warnings_disable)
588 if(NOT ENABLE_NOISY_WARNINGS)
590 set(_msvc_warnings "")
591 set(_gxx_warnings "")
592 set(_icc_warnings "")
594 if(arg MATCHES "^CMAKE_")
595 list(APPEND _flag_vars ${arg})
596 elseif(arg MATCHES "^/wd")
597 list(APPEND _msvc_warnings ${arg})
598 elseif(arg MATCHES "^-W")
599 list(APPEND _gxx_warnings ${arg})
600 elseif(arg MATCHES "^-wd" OR arg MATCHES "^-Qwd" OR arg MATCHES "^/Qwd")
601 list(APPEND _icc_warnings ${arg})
604 if(MSVC AND _msvc_warnings AND _flag_vars)
605 foreach(var ${_flag_vars})
606 foreach(warning ${_msvc_warnings})
607 set(${var} "${${var}} ${warning}")
610 elseif(((CV_GCC OR CV_CLANG) OR (UNIX AND CV_ICC)) AND _gxx_warnings AND _flag_vars)
611 foreach(var ${_flag_vars})
612 foreach(warning ${_gxx_warnings})
613 if(NOT warning MATCHES "^-Wno-")
614 string(REGEX REPLACE "(^|[ ]+)${warning}(=[^ ]*)?([ ]+|$)" " " ${var} "${${var}}")
615 string(REPLACE "-W" "-Wno-" warning "${warning}")
617 ocv_check_flag_support(${var} "${warning}" _varname "")
619 set(${var} "${${var}} ${warning}")
624 if(CV_ICC AND _icc_warnings AND _flag_vars)
625 foreach(var ${_flag_vars})
626 foreach(warning ${_icc_warnings})
628 string(REPLACE "-Qwd" "-wd" warning "${warning}")
630 string(REPLACE "-wd" "-Qwd" warning "${warning}")
632 ocv_check_flag_support(${var} "${warning}" _varname "")
634 set(${var} "${${var}} ${warning}")
640 unset(_msvc_warnings)
643 endif(NOT ENABLE_NOISY_WARNINGS)
646 macro(ocv_append_source_file_compile_definitions source)
647 get_source_file_property(_value "${source}" COMPILE_DEFINITIONS)
649 set(_value ${_value} ${ARGN})
653 set_source_files_properties("${source}" PROPERTIES COMPILE_DEFINITIONS "${_value}")
656 macro(add_apple_compiler_options the_module)
657 ocv_check_flag_support(OBJCXX "-fobjc-exceptions" HAVE_OBJC_EXCEPTIONS "")
658 if(HAVE_OBJC_EXCEPTIONS)
659 foreach(source ${OPENCV_MODULE_${the_module}_SOURCES})
660 if("${source}" MATCHES "\\.mm$")
661 get_source_file_property(flags "${source}" COMPILE_FLAGS)
663 set(flags "${_flags} -fobjc-exceptions")
665 set(flags "-fobjc-exceptions")
668 set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${flags}")
674 # Provides an option that the user can optionally select.
675 # Can accept condition to control when option is available for user.
677 # option(<option_variable>
678 # "help string describing the option"
679 # <initial value or boolean expression>
680 # [VISIBLE_IF <condition>]
681 # [VERIFY <condition>])
682 macro(OCV_OPTION variable description value)
683 set(__value ${value})
686 set(__varname "__value")
688 if(arg STREQUAL "IF" OR arg STREQUAL "if" OR arg STREQUAL "VISIBLE_IF")
689 set(__varname "__condition")
690 elseif(arg STREQUAL "VERIFY")
691 set(__varname "__verification")
693 list(APPEND ${__varname} ${arg})
697 if(__condition STREQUAL "")
698 set(__condition 2 GREATER 1)
702 if(__value MATCHES ";")
704 option(${variable} "${description}" ON)
706 option(${variable} "${description}" OFF)
708 elseif(DEFINED ${__value})
710 option(${variable} "${description}" ON)
712 option(${variable} "${description}" OFF)
715 option(${variable} "${description}" ${__value})
718 if(DEFINED ${variable} AND "${${variable}}" # emit warnings about turned ON options only.
719 AND NOT (OPENCV_HIDE_WARNING_UNSUPPORTED_OPTION OR "$ENV{OPENCV_HIDE_WARNING_UNSUPPORTED_OPTION}")
721 message(WARNING "Unexpected option: ${variable} (=${${variable}})\nCondition: IF (${__condition})")
723 if(OPENCV_UNSET_UNSUPPORTED_OPTION)
724 unset(${variable} CACHE)
728 set(OPENCV_VERIFY_${variable} "${__verification}") # variable containing condition to verify
729 list(APPEND OPENCV_VERIFICATIONS "${variable}") # list of variable names (WITH_XXX;WITH_YYY;...)
736 # Check that each variable stored in OPENCV_VERIFICATIONS list
737 # is consistent with actual detection result (stored as condition in OPENCV_VERIFY_...) variables
738 function(ocv_verify_config)
740 foreach(var ${OPENCV_VERIFICATIONS})
742 if(${OPENCV_VERIFY_${var}})
745 status("Verifying ${var}=${${var}} => '${OPENCV_VERIFY_${var}}'=${evaluated}")
746 if (${var} AND NOT evaluated)
747 list(APPEND broken_options ${var})
749 "Option ${var} is enabled but corresponding dependency "
750 "have not been found: \"${OPENCV_VERIFY_${var}}\" is FALSE")
751 elseif(NOT ${var} AND evaluated)
752 list(APPEND broken_options ${var})
754 "Option ${var} is disabled or unset but corresponding dependency "
755 "have been explicitly turned on: \"${OPENCV_VERIFY_${var}}\" is TRUE")
759 string(REPLACE ";" "\n" broken_options "${broken_options}")
761 "Some dependencies have not been found or have been forced, "
762 "unset ENABLE_CONFIG_VERIFICATION option to ignore these failures "
763 "or change following options:\n${broken_options}")
767 # Usage: ocv_append_build_options(HIGHGUI FFMPEG)
768 macro(ocv_append_build_options var_prefix pkg_prefix)
769 foreach(suffix INCLUDE_DIRS LIBRARIES LIBRARY_DIRS LINK_LIBRARIES)
770 if(${pkg_prefix}_${suffix})
771 list(APPEND ${var_prefix}_${suffix} ${${pkg_prefix}_${suffix}})
772 list(REMOVE_DUPLICATES ${var_prefix}_${suffix})
777 function(ocv_append_source_files_cxx_compiler_options files_var)
778 set(__flags "${ARGN}")
779 ocv_check_flag_support(CXX "${__flags}" __HAVE_COMPILER_OPTIONS_VAR "")
780 if(${__HAVE_COMPILER_OPTIONS_VAR})
781 foreach(source ${${files_var}})
782 if("${source}" MATCHES "\\.(cpp|cc|cxx)$")
783 get_source_file_property(flags "${source}" COMPILE_FLAGS)
785 set(flags "${flags} ${__flags}")
787 set(flags "${__flags}")
789 set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${flags}")
795 # Usage is similar to CMake 'pkg_check_modules' command
796 # It additionally controls HAVE_${define} and ${define}_${modname}_FOUND variables
797 macro(ocv_check_modules define)
798 unset(HAVE_${define})
800 if (m MATCHES "(.*[^><])(>=|=|<=)(.*)")
801 set(__modname "${CMAKE_MATCH_1}")
803 set(__modname "${m}")
805 unset(${define}_${__modname}_FOUND)
807 if(PKG_CONFIG_FOUND OR PkgConfig_FOUND)
808 pkg_check_modules(${define} ${ARGN})
811 set(HAVE_${define} 1)
814 if (m MATCHES "(.*[^><])(>=|=|<=)(.*)")
815 set(__modname "${CMAKE_MATCH_1}")
817 set(__modname "${m}")
819 if(NOT DEFINED ${define}_${__modname}_FOUND AND ${define}_FOUND)
820 set(${define}_${__modname}_FOUND 1)
823 if(${define}_FOUND AND ${define}_LIBRARIES)
824 if(${define}_LINK_LIBRARIES_XXXXX) # CMake 3.12+: https://gitlab.kitware.com/cmake/cmake/merge_requests/2068
825 set(${define}_LIBRARIES "${${define}_LINK_LIBRARIES}" CACHE INTERNAL "")
827 unset(_libs) # absolute paths
828 unset(_libs_paths) # -L args
829 foreach(flag ${${define}_LDFLAGS})
830 if(flag MATCHES "^-L(.*)")
831 list(APPEND _libs_paths ${CMAKE_MATCH_1})
832 elseif(IS_ABSOLUTE "${flag}")
833 list(APPEND _libs "${flag}")
834 elseif(flag MATCHES "^-l(.*)")
835 set(_lib "${CMAKE_MATCH_1}")
837 find_library(pkgcfg_lib_${define}_${_lib} NAMES ${_lib}
838 HINTS ${_libs_paths} NO_DEFAULT_PATH)
840 find_library(pkgcfg_lib_${define}_${_lib} NAMES ${_lib})
841 mark_as_advanced(pkgcfg_lib_${define}_${_lib})
842 if(pkgcfg_lib_${define}_${_lib})
843 list(APPEND _libs "${pkgcfg_lib_${define}_${_lib}}")
845 message(WARNING "ocv_check_modules(${define}): can't find library '${_lib}'. Specify 'pkgcfg_lib_${define}_${_lib}' manually")
846 list(APPEND _libs "${_lib}")
850 #message(WARNING "ocv_check_modules(${define}): unknown LDFLAG '${flag}'")
853 set(${define}_LINK_LIBRARIES "${_libs}")
854 set(${define}_LIBRARIES "${_libs}" CACHE INTERNAL "")
864 if(NOT DEFINED CMAKE_ARGC) # Guard CMake standalone invocations
866 # Use this option carefully, CMake's install() will install symlinks instead of real files
867 # It is fine for development, but should not be used by real installations
868 set(__symlink_default OFF) # preprocessing is required for old CMake like 2.8.12
869 if(DEFINED ENV{BUILD_USE_SYMLINKS})
870 set(__symlink_default $ENV{BUILD_USE_SYMLINKS})
872 OCV_OPTION(BUILD_USE_SYMLINKS "Use symlinks instead of files copying during build (and !!INSTALL!!)" (${__symlink_default}) IF (UNIX OR DEFINED __symlink_default))
874 if(CMAKE_VERSION VERSION_LESS "3.2")
875 macro(ocv_cmake_byproducts var_name)
876 set(${var_name}) # nothing
879 macro(ocv_cmake_byproducts var_name)
880 set(${var_name} BYPRODUCTS ${ARGN})
884 set(OPENCV_DEPHELPER "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/dephelper" CACHE INTERNAL "")
885 file(MAKE_DIRECTORY ${OPENCV_DEPHELPER})
887 if(BUILD_USE_SYMLINKS)
888 set(__file0 "${CMAKE_CURRENT_LIST_FILE}")
889 set(__file1 "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/symlink_test")
890 if(NOT IS_SYMLINK "${__file1}")
891 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${__file0}" "${__file1}"
892 RESULT_VARIABLE SYMLINK_RESULT)
893 if(NOT SYMLINK_RESULT EQUAL 0)
894 file(REMOVE "${__file1}")
896 if(NOT IS_SYMLINK "${__file1}")
897 set(BUILD_USE_SYMLINKS 0 CACHE INTERNAL "")
900 if(NOT BUILD_USE_SYMLINKS)
901 message(STATUS "Build symlinks are not available (disabled)")
905 set(OPENCV_BUILD_INFO_STR "" CACHE INTERNAL "")
906 function(ocv_output_status msg)
907 message(STATUS "${msg}")
908 string(REPLACE "\\" "\\\\" msg "${msg}")
909 string(REPLACE "\"" "\\\"" msg "${msg}")
910 string(REGEX REPLACE "^\n+|\n+$" "" msg "${msg}")
912 message(WARNING "String to be inserted to version_string.inc has an unexpected line break: '${msg}'")
913 string(REPLACE "\n" "\\n" msg "${msg}")
915 set(OPENCV_BUILD_INFO_STR "${OPENCV_BUILD_INFO_STR}\"${msg}\\n\"\n" CACHE INTERNAL "")
918 macro(ocv_finalize_status)
919 set(OPENCV_BUILD_INFO_FILE "${CMAKE_BINARY_DIR}/version_string.tmp")
920 if(EXISTS "${OPENCV_BUILD_INFO_FILE}")
921 file(READ "${OPENCV_BUILD_INFO_FILE}" __content)
925 if("${__content}" STREQUAL "${OPENCV_BUILD_INFO_STR}")
926 #message(STATUS "${OPENCV_BUILD_INFO_FILE} contains the same content")
928 file(WRITE "${OPENCV_BUILD_INFO_FILE}" "${OPENCV_BUILD_INFO_STR}")
931 unset(OPENCV_BUILD_INFO_STR CACHE)
933 if(NOT OPENCV_SKIP_STATUS_FINALIZATION)
934 if(DEFINED OPENCV_MODULE_opencv_core_BINARY_DIR)
935 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${OPENCV_BUILD_INFO_FILE}" "${OPENCV_MODULE_opencv_core_BINARY_DIR}/version_string.inc" OUTPUT_QUIET)
940 install(FILES "${OpenCV_SOURCE_DIR}/platforms/scripts/valgrind.supp"
941 "${OpenCV_SOURCE_DIR}/platforms/scripts/valgrind_3rdparty.supp"
942 DESTINATION "${OPENCV_OTHER_INSTALL_PATH}" COMPONENT "dev")
947 # Status report function.
948 # Automatically align right column and selects text based on condition.
951 # status(<heading> <value1> [<value2> ...])
952 # status(<heading> <condition> THEN <text for TRUE> ELSE <text for FALSE> )
953 function(status text)
958 set(status_current_name "cond")
960 if(arg STREQUAL "THEN")
961 set(status_current_name "then")
962 elseif(arg STREQUAL "ELSE")
963 set(status_current_name "else")
965 list(APPEND status_${status_current_name} ${arg})
969 if(DEFINED status_cond)
970 set(status_placeholder_length 32)
971 string(RANDOM LENGTH ${status_placeholder_length} ALPHABET " " status_placeholder)
972 string(LENGTH "${text}" status_text_length)
973 if(status_text_length LESS status_placeholder_length)
974 string(SUBSTRING "${text}${status_placeholder}" 0 ${status_placeholder_length} status_text)
975 elseif(DEFINED status_then OR DEFINED status_else)
976 ocv_output_status("${text}")
977 set(status_text "${status_placeholder}")
979 set(status_text "${text}")
982 if(DEFINED status_then OR DEFINED status_else)
984 string(REPLACE ";" " " status_then "${status_then}")
985 string(REGEX REPLACE "^[ \t]+" "" status_then "${status_then}")
986 ocv_output_status("${status_text} ${status_then}")
988 string(REPLACE ";" " " status_else "${status_else}")
989 string(REGEX REPLACE "^[ \t]+" "" status_else "${status_else}")
990 ocv_output_status("${status_text} ${status_else}")
993 string(REPLACE ";" " " status_cond "${status_cond}")
994 string(REGEX REPLACE "^[ \t]+" "" status_cond "${status_cond}")
995 ocv_output_status("${status_text} ${status_cond}")
998 ocv_output_status("${text}")
1002 endif() # NOT DEFINED CMAKE_ARGC
1005 # Generate a list of enabled features basing on conditions:
1006 # IF <cond> THEN <title>: check condition and append title to the result if it is true
1007 # ELSE <title>: return provided value instead of empty result
1008 # EXCLUSIVE: break after first successful condition
1011 # ocv_build_features_string(out [EXCLUSIVE] [IF feature THEN title] ... [ELSE title])
1013 function(ocv_build_features_string out)
1015 list(REMOVE_AT ARGV 0)
1016 foreach(arg ${ARGV})
1017 if(arg STREQUAL "EXCLUSIVE")
1019 elseif(arg STREQUAL "IF")
1022 elseif(arg STREQUAL "THEN")
1025 elseif(arg STREQUAL "ELSE")
1031 list(APPEND result "${arg}")
1038 set(result "${arg}")
1041 list(APPEND cond ${arg})
1045 set(${out} ${result} PARENT_SCOPE)
1049 # remove all matching elements from the list
1050 macro(ocv_list_filterout lst regex)
1051 foreach(item ${${lst}})
1052 if(item MATCHES "${regex}")
1053 list(REMOVE_ITEM ${lst} "${item}")
1058 # filter matching elements from the list
1059 macro(ocv_list_filter lst regex)
1064 set(__result ${${lst}})
1065 foreach(item ${__result})
1066 if(NOT item MATCHES "${regex}")
1067 list(REMOVE_ITEM __result "${item}")
1070 set(${dst} ${__result})
1074 # stable & safe duplicates removal macro
1075 macro(ocv_list_unique __lst)
1077 list(REMOVE_DUPLICATES ${__lst})
1082 # safe list reversal macro
1083 macro(ocv_list_reverse __lst)
1085 list(REVERSE ${__lst})
1090 # safe list sorting macro
1091 macro(ocv_list_sort __lst)
1098 # add prefix to each item in the list
1099 macro(ocv_list_add_prefix LST PREFIX)
1101 foreach(item ${${LST}})
1102 list(APPEND __tmp "${PREFIX}${item}")
1104 set(${LST} ${__tmp})
1109 # add suffix to each item in the list
1110 macro(ocv_list_add_suffix LST SUFFIX)
1112 foreach(item ${${LST}})
1113 list(APPEND __tmp "${item}${SUFFIX}")
1115 set(${LST} ${__tmp})
1120 # gets and removes the first element from the list
1121 macro(ocv_list_pop_front LST VAR)
1123 list(GET ${LST} 0 ${VAR})
1124 list(REMOVE_AT ${LST} 0)
1130 # Get list of duplicates in the list of input items.
1131 # ocv_get_duplicates(<output list> <element> [<element> ...])
1132 function(ocv_get_duplicates res)
1134 message(FATAL_ERROR "Invalid call to ocv_get_duplicates")
1139 foreach(item ${lst})
1140 if(item STREQUAL prev_item)
1141 list(APPEND dups ${item})
1143 set(prev_item ${item})
1145 set(${res} ${dups} PARENT_SCOPE)
1148 # simple regex escaping routine (does not cover all cases!!!)
1149 macro(ocv_regex_escape var regex)
1150 string(REGEX REPLACE "([+.*^$])" "\\\\1" ${var} "${regex}")
1154 # convert list of paths to full paths
1155 macro(ocv_convert_to_full_paths VAR)
1158 foreach(path ${${VAR}})
1159 get_filename_component(${VAR} "${path}" ABSOLUTE)
1160 list(APPEND __tmp "${${VAR}}")
1162 set(${VAR} ${__tmp})
1168 # convert list of paths to libraries names without lib prefix
1169 function(ocv_convert_to_lib_name var)
1171 foreach(path ${ARGN})
1172 get_filename_component(tmp_name "${path}" NAME)
1173 ocv_get_libname(tmp_name "${tmp_name}")
1174 list(APPEND tmp "${tmp_name}")
1176 set(${var} ${tmp} PARENT_SCOPE)
1180 # add install command
1181 function(ocv_install_target)
1182 if(APPLE_FRAMEWORK AND BUILD_SHARED_LIBS)
1183 install(TARGETS ${ARGN} FRAMEWORK DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH})
1185 install(TARGETS ${ARGN})
1192 if(NOT DEFINED __target)
1193 set(__target "${e}")
1195 if(isPackage EQUAL 1)
1196 set(__package "${e}")
1199 if(e STREQUAL "EXPORT")
1204 if(DEFINED __package)
1205 list(APPEND ${__package}_TARGETS ${__target})
1206 set(${__package}_TARGETS "${${__package}_TARGETS}" CACHE INTERNAL "List of ${__package} targets")
1210 set(__target "${ARGV0}")
1212 # don't move this into global scope of this file: compiler settings (like MSVC variable) are not available during processing
1213 if(BUILD_SHARED_LIBS) # no defaults for static libs (modern CMake is required)
1214 if(NOT CMAKE_VERSION VERSION_LESS 3.6.0)
1215 option(INSTALL_PDB_COMPONENT_EXCLUDE_FROM_ALL "Don't install PDB files by default" ON)
1216 option(INSTALL_PDB "Add install PDB rules" ON)
1217 elseif(NOT CMAKE_VERSION VERSION_LESS 3.1.0)
1218 option(INSTALL_PDB_COMPONENT_EXCLUDE_FROM_ALL "Don't install PDB files by default (not supported)" OFF)
1219 option(INSTALL_PDB "Add install PDB rules" OFF)
1223 if(INSTALL_PDB AND NOT INSTALL_IGNORE_PDB
1224 AND NOT OPENCV_${__target}_PDB_SKIP
1226 set(__location_key "ARCHIVE") # static libs
1227 get_target_property(__target_type ${__target} TYPE)
1228 if("${__target_type}" STREQUAL "SHARED_LIBRARY")
1229 set(__location_key "RUNTIME") # shared libs (.DLL)
1240 if(processDst EQUAL 1 AND e STREQUAL "DESTINATION")
1243 if(e STREQUAL "${__location_key}")
1250 # message(STATUS "Process ${__target} dst=${__dst}...")
1252 if(NOT CMAKE_VERSION VERSION_LESS 3.1.0)
1253 set(__pdb_install_component "pdb")
1254 if(DEFINED INSTALL_PDB_COMPONENT AND INSTALL_PDB_COMPONENT)
1255 set(__pdb_install_component "${INSTALL_PDB_COMPONENT}")
1257 set(__pdb_exclude_from_all "")
1258 if(INSTALL_PDB_COMPONENT_EXCLUDE_FROM_ALL)
1259 if(NOT CMAKE_VERSION VERSION_LESS 3.6.0)
1260 set(__pdb_exclude_from_all EXCLUDE_FROM_ALL)
1262 message(WARNING "INSTALL_PDB_COMPONENT_EXCLUDE_FROM_ALL requires CMake 3.6+")
1266 # message(STATUS "Adding PDB file installation rule: target=${__target} dst=${__dst} component=${__pdb_install_component}")
1267 if("${__target_type}" STREQUAL "SHARED_LIBRARY" OR "${__target_type}" STREQUAL "MODULE_LIBRARY")
1268 install(FILES "$<TARGET_PDB_FILE:${__target}>" DESTINATION "${__dst}"
1269 COMPONENT ${__pdb_install_component} OPTIONAL ${__pdb_exclude_from_all})
1271 # There is no generator expression similar to TARGET_PDB_FILE and TARGET_PDB_FILE can't be used: https://gitlab.kitware.com/cmake/cmake/issues/16932
1272 # However we still want .pdb files like: 'lib/Debug/opencv_core341d.pdb' or '3rdparty/lib/zlibd.pdb'
1273 install(FILES "$<TARGET_PROPERTY:${__target},ARCHIVE_OUTPUT_DIRECTORY>/$<CONFIG>/$<IF:$<BOOL:$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME_DEBUG>>,$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME_DEBUG>,$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME>>.pdb"
1274 DESTINATION "${__dst}" CONFIGURATIONS Debug
1275 COMPONENT ${__pdb_install_component} OPTIONAL ${__pdb_exclude_from_all})
1276 install(FILES "$<TARGET_PROPERTY:${__target},ARCHIVE_OUTPUT_DIRECTORY>/$<CONFIG>/$<IF:$<BOOL:$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME_RELEASE>>,$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME_RELEASE>,$<TARGET_PROPERTY:${__target},COMPILE_PDB_NAME>>.pdb"
1277 DESTINATION "${__dst}" CONFIGURATIONS Release
1278 COMPONENT ${__pdb_install_component} OPTIONAL ${__pdb_exclude_from_all})
1281 message(WARNING "PDB files installation is not supported (need CMake >= 3.1.0)")
1288 # ocv_install_3rdparty_licenses(<library-name> <filename1> [<filename2> ..])
1289 function(ocv_install_3rdparty_licenses library)
1290 foreach(filename ${ARGN})
1291 set(filepath "${filename}")
1292 if(NOT IS_ABSOLUTE "${filepath}")
1293 set(filepath "${CMAKE_CURRENT_LIST_DIR}/${filepath}")
1295 get_filename_component(name "${filename}" NAME)
1298 DESTINATION "${OPENCV_LICENSES_INSTALL_PATH}"
1300 RENAME "${library}-${name}"
1305 # read set of version defines from the header file
1306 macro(ocv_parse_header FILENAME FILE_VAR)
1308 set(__parnet_scope OFF)
1309 set(__add_cache OFF)
1310 foreach(name ${ARGN})
1311 if(${name} STREQUAL "PARENT_SCOPE")
1312 set(__parnet_scope ON)
1313 elseif(${name} STREQUAL "CACHE")
1316 set(vars_regex "${vars_regex}|${name}")
1318 set(vars_regex "${name}")
1321 if(EXISTS "${FILENAME}")
1322 file(STRINGS "${FILENAME}" ${FILE_VAR} REGEX "#define[ \t]+(${vars_regex})[ \t]+[0-9]+" )
1326 foreach(name ${ARGN})
1327 if(NOT ${name} STREQUAL "PARENT_SCOPE" AND NOT ${name} STREQUAL "CACHE")
1329 if(${FILE_VAR} MATCHES ".+[ \t]${name}[ \t]+([0-9]+).*")
1330 string(REGEX REPLACE ".+[ \t]${name}[ \t]+([0-9]+).*" "\\1" ${name} "${${FILE_VAR}}")
1335 set(${name} ${${name}} CACHE INTERNAL "${name} parsed from ${FILENAME}" FORCE)
1336 elseif(__parnet_scope)
1337 set(${name} "${${name}}" PARENT_SCOPE)
1340 unset(${name} CACHE)
1346 # read single version define from the header file
1347 macro(ocv_parse_header2 LIBNAME HDR_PATH VARNAME)
1348 ocv_clear_vars(${LIBNAME}_VERSION_MAJOR
1349 ${LIBNAME}_VERSION_MAJOR
1350 ${LIBNAME}_VERSION_MINOR
1351 ${LIBNAME}_VERSION_PATCH
1352 ${LIBNAME}_VERSION_TWEAK
1353 ${LIBNAME}_VERSION_STRING)
1354 set(${LIBNAME}_H "")
1355 if(EXISTS "${HDR_PATH}")
1356 file(STRINGS "${HDR_PATH}" ${LIBNAME}_H REGEX "^#define[ \t]+${VARNAME}[ \t]+\"[^\"]*\".*$" LIMIT_COUNT 1)
1360 string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MAJOR "${${LIBNAME}_H}")
1361 string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${${LIBNAME}_H}")
1362 string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${${LIBNAME}_H}")
1363 set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN})
1364 set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN})
1365 set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN})
1366 set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}")
1368 # append a TWEAK version if it exists:
1369 set(${LIBNAME}_VERSION_TWEAK "")
1370 if("${${LIBNAME}_H}" MATCHES "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$")
1371 set(${LIBNAME}_VERSION_TWEAK "${CMAKE_MATCH_1}" ${ARGN})
1373 if(${LIBNAME}_VERSION_TWEAK)
1374 set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}.${${LIBNAME}_VERSION_TWEAK}" ${ARGN})
1376 set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}" ${ARGN})
1382 # read single version info from the pkg file
1383 macro(ocv_parse_pkg ver_varname LIBNAME PKG_PATH)
1384 if(EXISTS "${PKG_PATH}/${LIBNAME}.pc")
1385 file(STRINGS "${PKG_PATH}/${LIBNAME}.pc" line_to_parse REGEX "^Version:[ \t]+[0-9.]*.*$" LIMIT_COUNT 1)
1386 STRING(REGEX REPLACE ".*Version: ([^ ]+).*" "\\1" ${ver_varname} "${line_to_parse}" )
1390 ################################################################################################
1391 # short command to setup source group
1392 function(ocv_source_group group)
1393 if(BUILD_opencv_world AND OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD)
1394 set(group "${the_module}\\${group}")
1396 cmake_parse_arguments(SG "" "DIRBASE" "GLOB;GLOB_RECURSE;FILES" ${ARGN})
1399 list(APPEND files ${SG_FILES})
1402 file(GLOB srcs ${SG_GLOB})
1403 list(APPEND files ${srcs})
1406 file(GLOB_RECURSE srcs ${SG_GLOB_RECURSE})
1407 list(APPEND files ${srcs})
1411 file(RELATIVE_PATH fpart "${SG_DIRBASE}" "${f}")
1412 if(fpart MATCHES "^\\.\\.")
1413 message(AUTHOR_WARNING "Can't detect subpath for source_group command: Group=${group} FILE=${f} DIRBASE=${SG_DIRBASE}")
1416 get_filename_component(fpart "${fpart}" PATH)
1418 set(fpart "/${fpart}") # add '/'
1419 string(REPLACE "/" "\\" fpart "${fpart}")
1422 source_group("${group}${fpart}" FILES ${f})
1425 source_group(${group} FILES ${files})
1429 macro(__ocv_push_target_link_libraries)
1430 if(NOT TARGET ${target})
1431 if(NOT DEFINED OPENCV_MODULE_${target}_LOCATION)
1432 message(FATAL_ERROR "ocv_target_link_libraries: invalid target: '${target}'")
1434 set(OPENCV_MODULE_${target}_LINK_DEPS ${OPENCV_MODULE_${target}_LINK_DEPS} ${ARGN} CACHE INTERNAL "" FORCE)
1436 target_link_libraries(${target} ${ARGN})
1440 function(ocv_target_link_libraries target)
1441 set(LINK_DEPS ${ARGN})
1442 _ocv_fix_target(target)
1443 set(LINK_MODE "LINK_PRIVATE")
1444 set(LINK_PENDING "")
1445 foreach(dep ${LINK_DEPS})
1446 if(" ${dep}" STREQUAL " ${target}")
1447 # prevent "link to itself" warning (world problem)
1448 elseif(" ${dep}" STREQUAL " LINK_PRIVATE" OR " ${dep}" STREQUAL "LINK_PUBLIC")
1449 if(NOT LINK_PENDING STREQUAL "")
1450 __ocv_push_target_link_libraries(${LINK_MODE} ${LINK_PENDING})
1451 set(LINK_PENDING "")
1452 set(LINK_MODE "${dep}")
1455 if(BUILD_opencv_world)
1456 if(OPENCV_MODULE_${dep}_IS_PART_OF_WORLD)
1457 set(dep opencv_world)
1460 list(APPEND LINK_PENDING "${dep}")
1463 if(NOT LINK_PENDING STREQUAL "")
1464 __ocv_push_target_link_libraries(${LINK_MODE} ${LINK_PENDING})
1468 function(ocv_target_compile_definitions target)
1469 _ocv_fix_target(target)
1470 if(NOT TARGET ${target})
1471 if(NOT DEFINED OPENCV_MODULE_${target}_LOCATION)
1472 message(FATAL_ERROR "ocv_target_compile_definitions: invalid target: '${target}'")
1474 set(OPENCV_MODULE_${target}_COMPILE_DEFINITIONS ${OPENCV_MODULE_${target}_COMPILE_DEFINITIONS} ${ARGN} CACHE INTERNAL "" FORCE)
1476 target_compile_definitions(${target} ${ARGN})
1481 function(_ocv_append_target_includes target)
1482 if(DEFINED OCV_TARGET_INCLUDE_DIRS_${target})
1483 target_include_directories(${target} PRIVATE ${OCV_TARGET_INCLUDE_DIRS_${target}})
1484 if(OPENCV_DEPENDANT_TARGETS_${target})
1485 foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
1486 target_include_directories(${t} PRIVATE ${OCV_TARGET_INCLUDE_DIRS_${target}})
1489 unset(OCV_TARGET_INCLUDE_DIRS_${target} CACHE)
1492 if(DEFINED OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target})
1493 target_include_directories(${target} SYSTEM PRIVATE ${OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target}})
1494 if(OPENCV_DEPENDANT_TARGETS_${target})
1495 foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
1496 target_include_directories(${t} SYSTEM PRIVATE ${OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target}})
1499 unset(OCV_TARGET_INCLUDE_SYSTEM_DIRS_${target} CACHE)
1503 function(ocv_add_executable target)
1504 add_executable(${target} ${ARGN})
1505 _ocv_append_target_includes(${target})
1508 function(ocv_add_library target)
1509 if(HAVE_CUDA AND ARGN MATCHES "\\.cu")
1510 ocv_include_directories(${CUDA_INCLUDE_DIRS})
1511 ocv_cuda_compile(cuda_objs ${ARGN})
1512 set(OPENCV_MODULE_${target}_CUDA_OBJECTS ${cuda_objs} CACHE INTERNAL "Compiled CUDA object files")
1515 add_library(${target} ${ARGN} ${cuda_objs})
1517 if(APPLE_FRAMEWORK AND BUILD_SHARED_LIBS)
1518 message(STATUS "Setting Apple target properties for ${target}")
1520 set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG 1)
1522 set_target_properties(${target} PROPERTIES
1524 MACOSX_FRAMEWORK_IDENTIFIER org.opencv
1525 MACOSX_FRAMEWORK_INFO_PLIST ${CMAKE_BINARY_DIR}/ios/Info.plist
1526 # "current version" in semantic format in Mach-O binary file
1527 VERSION ${OPENCV_LIBVERSION}
1528 # "compatibility version" in semantic format in Mach-O binary file
1529 SOVERSION ${OPENCV_LIBVERSION}
1531 INSTALL_NAME_DIR "@rpath"
1532 BUILD_WITH_INSTALL_RPATH 1
1533 LIBRARY_OUTPUT_NAME "opencv2"
1534 XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY "1,2"
1535 #PUBLIC_HEADER "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h"
1536 #XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "iPhone Developer"
1540 _ocv_append_target_includes(${target})
1544 macro(ocv_get_libname var_name)
1545 get_filename_component(__libname "${ARGN}" NAME)
1546 # libopencv_core.so.3.3 -> opencv_core
1547 string(REGEX REPLACE "^lib(.+)\\.(a|so|dll)(\\.[.0-9]+)?$" "\\1" __libname "${__libname}")
1548 # MacOSX: libopencv_core.3.3.1.dylib -> opencv_core
1549 string(REGEX REPLACE "^lib(.+[^.0-9])\\.([.0-9]+\\.)?dylib$" "\\1" __libname "${__libname}")
1550 set(${var_name} "${__libname}")
1553 # build the list of opencv libs and dependencies for all modules
1554 # _modules - variable to hold list of all modules
1555 # _extra - variable to hold list of extra dependencies
1556 # _3rdparty - variable to hold list of prebuilt 3rdparty libraries
1557 macro(ocv_get_all_libs _modules _extra _3rdparty)
1560 set(${_3rdparty} "")
1561 foreach(m ${OPENCV_MODULES_PUBLIC})
1563 get_target_property(deps ${m} INTERFACE_LINK_LIBRARIES)
1570 set(_rev_deps "${deps};${m}")
1571 ocv_list_reverse(_rev_deps)
1572 foreach (dep ${_rev_deps})
1573 if(DEFINED OPENCV_MODULE_${dep}_LOCATION)
1574 list(INSERT ${_modules} 0 ${dep})
1577 foreach (dep ${deps} ${OPENCV_LINKER_LIBS})
1578 if (NOT DEFINED OPENCV_MODULE_${dep}_LOCATION)
1579 if(dep MATCHES "^\\$<LINK_ONLY:([^>]+)>$")
1580 set(dep "${CMAKE_MATCH_1}")
1582 if(dep MATCHES "^\\$<")
1583 message(WARNING "Unexpected CMake generator expression: ${dep}")
1586 get_target_property(_type ${dep} TYPE)
1587 if(_type STREQUAL "STATIC_LIBRARY" AND BUILD_SHARED_LIBS OR _type STREQUAL "INTERFACE_LIBRARY")
1590 get_target_property(_output ${dep} IMPORTED_LOCATION)
1592 get_target_property(_output ${dep} ARCHIVE_OUTPUT_DIRECTORY)
1593 get_target_property(_output_name ${dep} OUTPUT_NAME)
1594 if(NOT _output_name)
1595 set(_output_name "${dep}")
1598 get_filename_component(_output_name "${_output}" NAME)
1600 string(FIND "${_output}" "${CMAKE_BINARY_DIR}" _POS)
1602 ocv_get_libname(_libname "${_output_name}")
1603 list(INSERT ${_3rdparty} 0 ${dep})
1606 list(INSERT ${_extra} 0 ${_output})
1608 list(INSERT ${_extra} 0 ${dep})
1613 list(INSERT ${_extra} 0 ${dep})
1619 ocv_list_filterout(${_modules} "^[\$]<")
1620 ocv_list_filterout(${_3rdparty} "^[\$]<")
1621 ocv_list_filterout(${_extra} "^[\$]<")
1623 # convert CMake lists to makefile literals
1624 foreach(lst ${_modules} ${_3rdparty} ${_extra})
1625 ocv_list_unique(${lst})
1626 ocv_list_reverse(${lst})
1631 function(ocv_add_test_from_target test_name test_kind the_target)
1632 if(CMAKE_VERSION VERSION_GREATER "2.8" AND NOT CMAKE_CROSSCOMPILING)
1633 if(NOT "${test_kind}" MATCHES "^(Accuracy|Performance|Sanity)$")
1634 message(FATAL_ERROR "Unknown test kind : ${test_kind}")
1636 if(NOT TARGET "${the_target}")
1637 message(FATAL_ERROR "${the_target} is not a CMake target")
1640 string(TOLOWER "${test_kind}" test_kind_lower)
1641 set(test_report_dir "${CMAKE_BINARY_DIR}/test-reports/${test_kind_lower}")
1642 file(MAKE_DIRECTORY "${test_report_dir}")
1644 add_test(NAME "${test_name}"
1645 COMMAND "${the_target}"
1646 "--gtest_output=xml:${the_target}.xml"
1649 set_tests_properties("${test_name}" PROPERTIES
1650 LABELS "${OPENCV_MODULE_${the_module}_LABEL};${test_kind}"
1651 WORKING_DIRECTORY "${test_report_dir}")
1653 if(OPENCV_TEST_DATA_PATH)
1654 set_tests_properties("${test_name}" PROPERTIES
1655 ENVIRONMENT "OPENCV_TEST_DATA_PATH=${OPENCV_TEST_DATA_PATH}")
1660 macro(ocv_add_testdata basedir dest_subdir)
1662 if(NOT CMAKE_CROSSCOMPILING AND NOT INSTALL_TESTS)
1663 file(COPY ${basedir}/
1664 DESTINATION ${CMAKE_BINARY_DIR}/${OPENCV_TEST_DATA_INSTALL_PATH}/${dest_subdir}
1669 install(DIRECTORY ${basedir}/
1670 DESTINATION ${OPENCV_TEST_DATA_INSTALL_PATH}/${dest_subdir}
1678 macro(ocv_generate_vs_version_file DESTINATION)
1679 cmake_parse_arguments(VS_VER "" "NAME;FILEDESCRIPTION;FILEVERSION;INTERNALNAME;COPYRIGHT;ORIGINALFILENAME;PRODUCTNAME;PRODUCTVERSION;COMMENTS;FILEVERSION_QUAD;PRODUCTVERSION_QUAD" "" ${ARGN})
1681 macro(__vs_ver_update_variable name)
1682 if(VS_VER_NAME AND DEFINED OPENCV_${VS_VER_NAME}_VS_VER_${name})
1683 set(OPENCV_VS_VER_${name} "${OPENCV_${VS_VER_NAME}_VS_VER_${name}}")
1684 elseif(VS_VER_${name})
1685 set(OPENCV_VS_VER_${name} "${VS_VER_${name}}")
1689 __vs_ver_update_variable(FILEVERSION_QUAD)
1690 __vs_ver_update_variable(PRODUCTVERSION_QUAD)
1692 macro(__vs_ver_update_str_variable name)
1693 if(VS_VER_NAME AND DEFINED OPENCV_${VS_VER_NAME}_VS_VER_${name})
1694 set(OPENCV_VS_VER_${name}_STR "${OPENCV_${VS_VER_NAME}_VS_VER_${name}}")
1695 elseif(VS_VER_${name})
1696 set(OPENCV_VS_VER_${name}_STR "${VS_VER_${name}}")
1700 __vs_ver_update_str_variable(FILEDESCRIPTION)
1701 __vs_ver_update_str_variable(FILEVERSION)
1702 __vs_ver_update_str_variable(INTERNALNAME)
1703 __vs_ver_update_str_variable(COPYRIGHT)
1704 __vs_ver_update_str_variable(ORIGINALFILENAME)
1705 __vs_ver_update_str_variable(PRODUCTNAME)
1706 __vs_ver_update_str_variable(PRODUCTVERSION)
1707 __vs_ver_update_str_variable(COMMENTS)
1709 if(OPENCV_VS_VER_COPYRIGHT_STR)
1710 set(OPENCV_VS_VER_HAVE_COPYRIGHT_STR 1)
1712 set(OPENCV_VS_VER_HAVE_COPYRIGHT_STR 0)
1715 if(OPENCV_VS_VER_COMMENTS_STR)
1716 set(OPENCV_VS_VER_HAVE_COMMENTS_STR 1)
1718 set(OPENCV_VS_VER_HAVE_COMMENTS_STR 0)
1721 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/vs_version.rc.in" "${DESTINATION}" @ONLY)
1724 macro(ocv_cmake_script_append_var content_var)
1725 foreach(var_name ${ARGN})
1726 set(${content_var} "${${content_var}}
1727 set(${var_name} \"${${var_name}}\")
1732 macro(ocv_copyfiles_append_file list_var src dst)
1733 list(LENGTH ${list_var} __id)
1734 list(APPEND ${list_var} ${__id})
1735 set(${list_var}_SRC_${__id} "${src}")
1736 set(${list_var}_DST_${__id} "${dst}")
1739 macro(ocv_copyfiles_append_dir list_var src dst)
1741 list(LENGTH ${list_var} __id)
1742 list(APPEND ${list_var} ${__id})
1743 set(${list_var}_SRC_${__id} "${src}")
1744 set(${list_var}_DST_${__id} "${dst}")
1745 set(${list_var}_MODE_${__id} "COPYDIR")
1747 set(${list_var}_GLOB_${__id} ${__glob})
1751 macro(ocv_copyfiles_make_config_string content_var list_var)
1752 set(var_name "${list_var}")
1753 set(${content_var} "${${content_var}}
1754 set(${var_name} \"${${var_name}}\")
1756 foreach(__id ${${list_var}})
1757 set(${content_var} "${${content_var}}
1758 set(${list_var}_SRC_${__id} \"${${list_var}_SRC_${__id}}\")
1759 set(${list_var}_DST_${__id} \"${${list_var}_DST_${__id}}\")
1761 if(DEFINED ${list_var}_MODE_${__id})
1762 set(${content_var} "${${content_var}}set(${list_var}_MODE_${__id} \"${${list_var}_MODE_${__id}}\")\n")
1764 if(DEFINED ${list_var}_GLOB_${__id})
1765 set(${content_var} "${${content_var}}set(${list_var}_GLOB_${__id} \"${${list_var}_GLOB_${__id}}\")\n")
1770 macro(ocv_copyfiles_make_config_file filename_var list_var)
1771 ocv_copyfiles_make_config_string(${list_var}_CONFIG ${list_var})
1772 set(${filename_var} "${CMAKE_CURRENT_BINARY_DIR}/copyfiles-${list_var}.cmake")
1773 file(WRITE "${${filename_var}}" "${${list_var}_CONFIG}")
1776 macro(ocv_copyfiles_add_forced_target target list_var comment_str)
1777 ocv_copyfiles_make_config_file(CONFIG_FILE ${list_var})
1778 ocv_cmake_byproducts(__byproducts BYPRODUCTS "${OPENCV_DEPHELPER}/${target}")
1779 add_custom_target(${target}
1780 ${__byproducts} # required for add_custom_target() by ninja
1781 COMMAND ${CMAKE_COMMAND}
1782 "-DCONFIG_FILE:PATH=${CONFIG_FILE}"
1783 "-DCOPYLIST_VAR:STRING=${list_var}"
1784 "-DDEPHELPER=${OPENCV_DEPHELPER}/${target}"
1785 -P "${OpenCV_SOURCE_DIR}/cmake/copy_files.cmake"
1786 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
1787 COMMENT "${comment_str}"
1788 DEPENDS "${OpenCV_SOURCE_DIR}/cmake/copy_files.cmake"
1789 # ninja warn about file(WRITE): "${SRC_COPY_CONFIG_FILE}"
1793 macro(ocv_copyfiles_add_target target list_var comment_str)
1795 ocv_copyfiles_make_config_file(CONFIG_FILE ${list_var})
1796 add_custom_command(OUTPUT "${OPENCV_DEPHELPER}/${target}"
1797 COMMAND ${CMAKE_COMMAND}
1798 "-DCONFIG_FILE:PATH=${CONFIG_FILE}"
1799 "-DCOPYLIST_VAR:STRING=${list_var}"
1800 "-DDEPHELPER=${OPENCV_DEPHELPER}/${target}"
1801 -P "${OpenCV_SOURCE_DIR}/cmake/copy_files.cmake"
1802 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
1803 COMMENT "${comment_str}"
1804 DEPENDS "${OpenCV_SOURCE_DIR}/cmake/copy_files.cmake" ${deps}
1805 # ninja warn about file(WRITE): "${SRC_COPY_CONFIG_FILE}"
1807 add_custom_target(${target} DEPENDS "${OPENCV_DEPHELPER}/${target}")
1810 macro(ocv_get_smart_file_name output_var fpath)
1811 ocv_is_subdir(__subir "${OpenCV_BINARY_DIR}" "${fpath}")
1813 file(RELATIVE_PATH ${output_var} "${OpenCV_BINARY_DIR}" "${fpath}")
1814 set(${output_var} "<BUILD>/${${output_var}}")
1816 ocv_is_subdir(__subir "${OpenCV_SOURCE_DIR}" "${fpath}")
1818 file(RELATIVE_PATH ${output_var} "${OpenCV_SOURCE_DIR}" "${fpath}")
1820 set(${output_var} "${fpath}")
1826 # Needed by install(DIRECTORY ...)
1827 if(NOT CMAKE_VERSION VERSION_LESS 3.1)
1828 set(compatible_MESSAGE_NEVER MESSAGE_NEVER)
1830 set(compatible_MESSAGE_NEVER "")
1834 macro(ocv_git_describe var_name path)
1836 execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --exact-match --dirty
1837 WORKING_DIRECTORY "${path}"
1838 OUTPUT_VARIABLE ${var_name}
1839 RESULT_VARIABLE GIT_RESULT
1841 OUTPUT_STRIP_TRAILING_WHITESPACE
1843 if(NOT GIT_RESULT EQUAL 0)
1844 execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --match "[0-9].[0-9].[0-9]*" --exclude "[^-]*-cvsdk"
1845 WORKING_DIRECTORY "${path}"
1846 OUTPUT_VARIABLE ${var_name}
1847 RESULT_VARIABLE GIT_RESULT
1849 OUTPUT_STRIP_TRAILING_WHITESPACE
1851 if(NOT GIT_RESULT EQUAL 0) # --exclude is not supported by 'git'
1852 # match only tags with complete OpenCV versions (ignores -alpha/-beta/-rc suffixes)
1853 execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --match "[0-9].[0-9]*[0-9]"
1854 WORKING_DIRECTORY "${path}"
1855 OUTPUT_VARIABLE ${var_name}
1856 RESULT_VARIABLE GIT_RESULT
1858 OUTPUT_STRIP_TRAILING_WHITESPACE
1860 if(NOT GIT_RESULT EQUAL 0)
1861 set(${var_name} "unknown")
1866 set(${var_name} "unknown")
1871 # ocv_update_file(filepath content [VERBOSE])
1872 # - write content to file
1873 # - will not change modification time in case when file already exists and content has not changed
1874 function(ocv_update_file filepath content)
1875 if(EXISTS "${filepath}")
1876 file(READ "${filepath}" actual_content)
1878 set(actual_content "")
1880 if("${actual_content}" STREQUAL "${content}")
1881 if(";${ARGN};" MATCHES ";VERBOSE;")
1882 message(STATUS "${filepath} contains the same content")
1885 file(WRITE "${filepath}" "${content}")