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-rw-r--r--libstdc++-v3/include/std/complex4
1 files changed, 4 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/complex b/libstdc++-v3/include/std/complex
index 45450e8ca01..d156d3249a7 100644
--- a/libstdc++-v3/include/std/complex
+++ b/libstdc++-v3/include/std/complex
@@ -47,6 +47,10 @@
// Get rid of a macro possibly defined in <complex.h>
#undef complex
+#if __cplusplus > 201703L
+# define __cpp_lib_constexpr_complex 201711L
+#endif
+
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION