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-rw-r--r--Modules/TestForANSIForScope.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/TestForANSIForScope.cmake b/Modules/TestForANSIForScope.cmake
index de4b1f1..78fff9f 100644
--- a/Modules/TestForANSIForScope.cmake
+++ b/Modules/TestForANSIForScope.cmake
@@ -24,7 +24,7 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
-if("CMAKE_ANSI_FOR_SCOPE" MATCHES "^CMAKE_ANSI_FOR_SCOPE$")
+if(NOT DEFINED CMAKE_ANSI_FOR_SCOPE)
message(STATUS "Check for ANSI scope")
try_compile(CMAKE_ANSI_FOR_SCOPE ${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx