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Diffstat (limited to 'Modules/CheckFunctionExists.cmake')
| -rw-r--r-- | Modules/CheckFunctionExists.cmake | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/CheckFunctionExists.cmake b/Modules/CheckFunctionExists.cmake index ef08062..d00aa8a 100644 --- a/Modules/CheckFunctionExists.cmake +++ b/Modules/CheckFunctionExists.cmake @@ -38,6 +38,8 @@ # * ``check_function_exists()`` only verifies linking, it does not verify # that the function is declared in system headers. +include_guard(GLOBAL) + macro(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE) if(NOT DEFINED "${VARIABLE}" OR "x${${VARIABLE}}" STREQUAL "x${VARIABLE}") set(MACRO_CHECK_FUNCTION_DEFINITIONS |