diff options
Diffstat (limited to 'Utilities/cmcurl/CMake/Utilities.cmake')
| -rw-r--r-- | Utilities/cmcurl/CMake/Utilities.cmake | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Utilities/cmcurl/CMake/Utilities.cmake b/Utilities/cmcurl/CMake/Utilities.cmake new file mode 100644 index 0000000..005b166 --- /dev/null +++ b/Utilities/cmcurl/CMake/Utilities.cmake @@ -0,0 +1,44 @@ +# File containing various utilities + +# Converts a CMake list to a string containing elements separated by spaces +function(TO_LIST_SPACES _LIST_NAME OUTPUT_VAR) + set(NEW_LIST_SPACE) + foreach(ITEM ${${_LIST_NAME}}) + set(NEW_LIST_SPACE "${NEW_LIST_SPACE} ${ITEM}") + endforeach() + string(STRIP ${NEW_LIST_SPACE} NEW_LIST_SPACE) + set(${OUTPUT_VAR} "${NEW_LIST_SPACE}" PARENT_SCOPE) +endfunction() + +# Appends a lis of item to a string which is a space-separated list, if they don't already exist. +function(LIST_SPACES_APPEND_ONCE LIST_NAME) + string(REPLACE " " ";" _LIST ${${LIST_NAME}}) + list(APPEND _LIST ${ARGN}) + list(REMOVE_DUPLICATES _LIST) + to_list_spaces(_LIST NEW_LIST_SPACE) + set(${LIST_NAME} "${NEW_LIST_SPACE}" PARENT_SCOPE) +endfunction() + +# Convenience function that does the same as LIST(FIND ...) but with a TRUE/FALSE return value. +# Ex: IN_STR_LIST(MY_LIST "Searched item" WAS_FOUND) +function(IN_STR_LIST LIST_NAME ITEM_SEARCHED RETVAL) + list(FIND ${LIST_NAME} ${ITEM_SEARCHED} FIND_POS) + if(${FIND_POS} EQUAL -1) + set(${RETVAL} FALSE PARENT_SCOPE) + else() + set(${RETVAL} TRUE PARENT_SCOPE) + endif() +endfunction() + +# Returns a list of arguments that evaluate to true +function(collect_true output_var output_count_var) + set(${output_var}) + foreach(option_var IN LISTS ARGN) + if(${option_var}) + list(APPEND ${output_var} ${option_var}) + endif() + endforeach() + set(${output_var} ${${output_var}} PARENT_SCOPE) + list(LENGTH ${output_var} ${output_count_var}) + set(${output_count_var} ${${output_count_var}} PARENT_SCOPE) +endfunction() |