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Annotation of embedaddon/pcre/cmake/FindPackageHandleStandardArgs.cmake, revision 1.1.1.1

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)