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-rw-r--r--Modules/Compiler/GNU-CXX-FeatureTests.cmake1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/Compiler/GNU-CXX-FeatureTests.cmake b/Modules/Compiler/GNU-CXX-FeatureTests.cmake
index 94a31c8..d1bd4a0 100644
--- a/Modules/Compiler/GNU-CXX-FeatureTests.cmake
+++ b/Modules/Compiler/GNU-CXX-FeatureTests.cmake
@@ -29,6 +29,7 @@ set(_cmake_feature_test_cxx_user_literals "${GNU47_CXX11}")
# TODO: Should be supported by GNU 4.6
set(GNU46_CXX11 "${_oldestSupported} && __cplusplus >= 201103L")
set(_cmake_feature_test_cxx_constexpr "${GNU46_CXX11}")
+set(_cmake_feature_test_cxx_enum_forward_declarations "${GNU46_CXX11}")
set(_cmake_feature_test_cxx_nullptr "${GNU46_CXX11}")
set(_cmake_feature_test_cxx_range_for "${GNU46_CXX11}")
set(_cmake_feature_test_cxx_unrestricted_unions "${GNU46_CXX11}")