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authorSebastian Leske <sebastian.leske@sleske.name>2014-09-10 06:35:49 (GMT)
committerBrad King <brad.king@kitware.com>2014-09-11 12:55:26 (GMT)
commit908c74399a737d878e18823e00730964896d1184 (patch)
tree830fbd1030f8f12bc4b4b97065ede39c3e10799e /Modules/CheckFunctionExists.cmake
parent0a92b23c52675bf8fe93cb9959266a49ab509ac1 (diff)
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Help: Document that the CHECK_* macros create cache variables
Otherwise callers may expect to be able to re-use result variables.
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diff --git a/Modules/CheckFunctionExists.cmake b/Modules/CheckFunctionExists.cmake
index 4c4334f..d277c32 100644
--- a/Modules/CheckFunctionExists.cmake
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@@ -10,6 +10,7 @@
# store the result in a <variable>. This does not verify that any
# system header file declares the function, only that it can be found at
# link time (consider using CheckSymbolExists).
+# <variable> will be created as an internal cache variable.
#
# The following variables may be set before calling this macro to modify
# the way the check is run: