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Annotation of embedaddon/pcre/cmake/FindPackageHandleStandardArgs.cmake, revision 1.1

1.1     ! misho       1: # FIND_PACKAGE_HANDLE_STANDARD_ARGS(NAME (DEFAULT_MSG|"Custom failure message") VAR1 ... )
        !             2: #    This macro is intended to be used in FindXXX.cmake modules files.
        !             3: #    It handles the REQUIRED and QUIET argument to FIND_PACKAGE() and
        !             4: #    it also sets the <UPPERCASED_NAME>_FOUND variable.
        !             5: #    The package is found if all variables listed are TRUE.
        !             6: #    Example:
        !             7: #
        !             8: #    FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibXml2 DEFAULT_MSG LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR)
        !             9: #
        !            10: #    LibXml2 is considered to be found, if both LIBXML2_LIBRARIES and 
        !            11: #    LIBXML2_INCLUDE_DIR are valid. Then also LIBXML2_FOUND is set to TRUE.
        !            12: #    If it is not found and REQUIRED was used, it fails with FATAL_ERROR, 
        !            13: #    independent whether QUIET was used or not.
        !            14: #    If it is found, the location is reported using the VAR1 argument, so 
        !            15: #    here a message "Found LibXml2: /usr/lib/libxml2.so" will be printed out.
        !            16: #    If the second argument is DEFAULT_MSG, the message in the failure case will 
        !            17: #    be "Could NOT find LibXml2", if you don't like this message you can specify
        !            18: #    your own custom failure message there.
        !            19: 
        !            20: MACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS _NAME _FAIL_MSG _VAR1 )
        !            21: 
        !            22:   IF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
        !            23:     IF (${_NAME}_FIND_REQUIRED)
        !            24:       SET(_FAIL_MESSAGE "Could not find REQUIRED package ${_NAME}")
        !            25:     ELSE (${_NAME}_FIND_REQUIRED)
        !            26:       SET(_FAIL_MESSAGE "Could not find OPTIONAL package ${_NAME}")
        !            27:     ENDIF (${_NAME}_FIND_REQUIRED)
        !            28:   ELSE("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
        !            29:     SET(_FAIL_MESSAGE "${_FAIL_MSG}")
        !            30:   ENDIF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
        !            31: 
        !            32:   STRING(TOUPPER ${_NAME} _NAME_UPPER)
        !            33: 
        !            34:   SET(${_NAME_UPPER}_FOUND TRUE)
        !            35:   IF(NOT ${_VAR1})
        !            36:     SET(${_NAME_UPPER}_FOUND FALSE)
        !            37:   ENDIF(NOT ${_VAR1})
        !            38: 
        !            39:   FOREACH(_CURRENT_VAR ${ARGN})
        !            40:     IF(NOT ${_CURRENT_VAR})
        !            41:       SET(${_NAME_UPPER}_FOUND FALSE)
        !            42:     ENDIF(NOT ${_CURRENT_VAR})
        !            43:   ENDFOREACH(_CURRENT_VAR)
        !            44: 
        !            45:   IF (${_NAME_UPPER}_FOUND)
        !            46:     IF (NOT ${_NAME}_FIND_QUIETLY)
        !            47:         MESSAGE(STATUS "Found ${_NAME}: ${${_VAR1}}")
        !            48:     ENDIF (NOT ${_NAME}_FIND_QUIETLY)
        !            49:   ELSE (${_NAME_UPPER}_FOUND)
        !            50:     IF (${_NAME}_FIND_REQUIRED)
        !            51:         MESSAGE(FATAL_ERROR "${_FAIL_MESSAGE}")
        !            52:     ELSE (${_NAME}_FIND_REQUIRED)
        !            53:       IF (NOT ${_NAME}_FIND_QUIETLY)
        !            54:         MESSAGE(STATUS "${_FAIL_MESSAGE}")
        !            55:       ENDIF (NOT ${_NAME}_FIND_QUIETLY)
        !            56:     ENDIF (${_NAME}_FIND_REQUIRED)
        !            57:   ENDIF (${_NAME_UPPER}_FOUND)
        !            58: ENDMACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS)