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Diffstat (limited to 'Modules/CheckVariableExists.cmake')
| -rw-r--r-- | Modules/CheckVariableExists.cmake | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/CheckVariableExists.cmake b/Modules/CheckVariableExists.cmake index fd5c36c..ab456d1 100644 --- a/Modules/CheckVariableExists.cmake +++ b/Modules/CheckVariableExists.cmake @@ -32,6 +32,8 @@ # CMAKE_REQUIRED_LIBRARIES = list of libraries to link # CMAKE_REQUIRED_QUIET = execute quietly without messages +include_guard(GLOBAL) + macro(CHECK_VARIABLE_EXISTS VAR VARIABLE) if(NOT DEFINED "${VARIABLE}") set(MACRO_CHECK_VARIABLE_DEFINITIONS |