Fix feature test for ABSL_HAVE_STD_OPTIONAL

Fixes #1840 PiperOrigin-RevId: 728197023 Change-Id: I864164fc64512abac19ee6f9dc4e9562e68489a1
abseil · Feb 18, 2025 · a782d5c · a782d5c
1 parent fdc64e2
commit a782d5c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/absl/base/config.h b/absl/base/config.h
@@ -538,7 +538,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
 // Checks whether C++17 std::optional is available.
 #ifdef ABSL_HAVE_STD_OPTIONAL
 #error "ABSL_HAVE_STD_OPTIONAL cannot be directly set."
-#elif defined(__cpp_lib_optional) && __cpp_lib_optional >= 202106L
+#elif defined(__cpp_lib_optional) && __cpp_lib_optional >= 201606L
 #define ABSL_HAVE_STD_OPTIONAL 1
 #elif defined(ABSL_INTERNAL_CPLUSPLUS_LANG) && \
     ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L && \