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-rw-r--r--Modules/Compiler/GNU-C-FeatureTests.cmake4
1 files changed, 2 insertions, 2 deletions
diff --git a/Modules/Compiler/GNU-C-FeatureTests.cmake b/Modules/Compiler/GNU-C-FeatureTests.cmake
index ddac0e8..7e840aa 100644
--- a/Modules/Compiler/GNU-C-FeatureTests.cmake
+++ b/Modules/Compiler/GNU-C-FeatureTests.cmake
@@ -1,12 +1,12 @@
-set(_cmake_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 407")
+set(_cmake_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 406")
# GNU 4.7 correctly sets __STDC_VERSION__ to 201112L, but GNU 4.6 sets it
# to 201000L. As the former is strictly greater than the latter, test only
# for the latter. If in the future CMake learns about a C feature which was
# introduced with GNU 4.7, that should test for the correct version, similar
# to the distinction between __cplusplus and __GXX_EXPERIMENTAL_CXX0X__ tests.
-set(GNU46_C11 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201000L")
+set(GNU46_C11 "(__GNUC__ * 100 + __GNUC_MINOR__) >= 406 && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201000L")
set(_cmake_feature_test_c_static_assert "${GNU46_C11}")
# Since 4.4 at least:
set(GNU44_C99 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")