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# FIND_PACKAGE_HANDLE_STANDARD_ARGS(NAME (DEFAULT_MSG|"Custom failure message") VAR1 ... ) |
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# This macro is intended to be used in FindXXX.cmake modules files. |
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# It handles the REQUIRED and QUIET argument to FIND_PACKAGE() and |
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# it also sets the <UPPERCASED_NAME>_FOUND variable. |
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# The package is found if all variables listed are TRUE. |
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# Example: |
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# |
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# FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibXml2 DEFAULT_MSG LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR) |
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# |
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# LibXml2 is considered to be found, if both LIBXML2_LIBRARIES and |
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# LIBXML2_INCLUDE_DIR are valid. Then also LIBXML2_FOUND is set to TRUE. |
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# If it is not found and REQUIRED was used, it fails with FATAL_ERROR, |
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# independent whether QUIET was used or not. |
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# If it is found, the location is reported using the VAR1 argument, so |
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# here a message "Found LibXml2: /usr/lib/libxml2.so" will be printed out. |
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# If the second argument is DEFAULT_MSG, the message in the failure case will |
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# be "Could NOT find LibXml2", if you don't like this message you can specify |
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# your own custom failure message there. |
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MACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS _NAME _FAIL_MSG _VAR1 ) |
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IF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG") |
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IF (${_NAME}_FIND_REQUIRED) |
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SET(_FAIL_MESSAGE "Could not find REQUIRED package ${_NAME}") |
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ELSE (${_NAME}_FIND_REQUIRED) |
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SET(_FAIL_MESSAGE "Could not find OPTIONAL package ${_NAME}") |
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ENDIF (${_NAME}_FIND_REQUIRED) |
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ELSE("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG") |
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SET(_FAIL_MESSAGE "${_FAIL_MSG}") |
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ENDIF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG") |
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STRING(TOUPPER ${_NAME} _NAME_UPPER) |
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SET(${_NAME_UPPER}_FOUND TRUE) |
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IF(NOT ${_VAR1}) |
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SET(${_NAME_UPPER}_FOUND FALSE) |
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ENDIF(NOT ${_VAR1}) |
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FOREACH(_CURRENT_VAR ${ARGN}) |
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IF(NOT ${_CURRENT_VAR}) |
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SET(${_NAME_UPPER}_FOUND FALSE) |
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ENDIF(NOT ${_CURRENT_VAR}) |
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ENDFOREACH(_CURRENT_VAR) |
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IF (${_NAME_UPPER}_FOUND) |
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IF (NOT ${_NAME}_FIND_QUIETLY) |
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MESSAGE(STATUS "Found ${_NAME}: ${${_VAR1}}") |
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ENDIF (NOT ${_NAME}_FIND_QUIETLY) |
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ELSE (${_NAME_UPPER}_FOUND) |
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IF (${_NAME}_FIND_REQUIRED) |
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MESSAGE(FATAL_ERROR "${_FAIL_MESSAGE}") |
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ELSE (${_NAME}_FIND_REQUIRED) |
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IF (NOT ${_NAME}_FIND_QUIETLY) |
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MESSAGE(STATUS "${_FAIL_MESSAGE}") |
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ENDIF (NOT ${_NAME}_FIND_QUIETLY) |
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ENDIF (${_NAME}_FIND_REQUIRED) |
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ENDIF (${_NAME_UPPER}_FOUND) |
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ENDMACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS) |
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