From 7e9f7659b3a042098a281d1ffc4ec8f04bc9cfcf Mon Sep 17 00:00:00 2001
From: Benoit Neil <suky0001@free.fr>
Date: Thu, 9 Apr 2009 21:16:28 +0000
Subject: (Minor update) Moved some utilities to a separate file.

---
 CMake/Utilities.cmake | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 CMake/Utilities.cmake

(limited to 'CMake/Utilities.cmake')

diff --git a/CMake/Utilities.cmake b/CMake/Utilities.cmake
new file mode 100644
index 000000000..4edf8b6d9
--- /dev/null
+++ b/CMake/Utilities.cmake
@@ -0,0 +1,31 @@
+# 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()
+
+# Convinience 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()
-- 
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