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-rw-r--r--absl/base/options.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/absl/base/options.h b/absl/base/options.h
index 592b33b..6868c77 100644
--- a/absl/base/options.h
+++ b/absl/base/options.h
@@ -66,7 +66,13 @@
// NOTE: the defaults within this file all assume that Abseil can select the
// proper Abseil implementation at compile-time, which will not be sufficient
// to guarantee ABI stability to package managers.
-//
+
+// Include a standard library header to allow configuration based on the
+// standard library in use.
+#ifdef __cplusplus
+#include <ciso646>
+#endif
+
// -----------------------------------------------------------------------------
// Type Compatibility Options
// -----------------------------------------------------------------------------
@@ -158,7 +164,6 @@
#define ABSL_OPTION_USE_STD_STRING_VIEW 2
-
// ABSL_OPTION_USE_STD_VARIANT
//
// This option controls whether absl::variant is implemented as an alias to