Hi,
in FindPackageHandleStandardArgs.cmake I have added the following function:
# Checks a list of strings (typically function/macro parameters) whether it
# contains a keyword
# (_keyword) and return the value(s) following this keyword in _outputVar.
# If _multipleValues is true, this can be more than one value.
# Then end of the values for a keyword is then determined by checking whether
# the next argument is contained in _allKeywordsList.
FUNCTION(FPHSA_GET_OPTION_VALUE _keyword _outputVar _allArgsList
_allKeywordsList _multipleValues)
...
Now I'd like to move that function out of this file into a separate file so it
can be used also by other modules. When I do this, this function needs a good
name.
Usage is like this:
# Set all known keyword names in the parameter list:
SET(_KEYWORDS FAIL_MESSAGE REQUIRED_VARS VERSION_VAR )
# Create a real variable which contains all arguments:
SET(ALL_ARGS ${ARGN})
# Call the function, if the keyword is present the value(s) following it will
# be returned in _FAIL_MESSAFE/_VERSION_VAR/_REQUIRED_VARS:
FPHSA_GET_OPTION_VALUE("FAIL_MESSAGE" _FAIL_MESSAGE ALL_ARGS _KEYWORDS FALSE)
FPHSA_GET_OPTION_VALUE("VERSION_VAR" _VERSION_VAR ALL_ARGS _KEYWORDS FALSE)
FPHSA_GET_OPTION_VALUE("REQUIRED_VARS" _REQUIRED_VARS ALL_ARGS _KEYWORDS TRUE)
# Check if anything is left in ALL_ARGS, error out if so:
IF(ALL_ARGS)
MESSAGE(FATAL_ERROR "Unknown keywords given to
FIND_PACKAGE_HANDLE_STANDARD_ARGS(): \"${ALL_ARGS}\"")
ENDIF(ALL_ARGS)
Currently the name would be GET_OPTION_VALUE(). Does this sound like a good
name ? Better suggestions ?
Alex
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