From f393335cb7410fc3a88f41dc5dd878c020213e0b Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Fri, 17 Nov 2023 13:33:15 -0800
Subject: Respect libc++ config option for disable of filesystem

- libc++ throws errors when filesystem is included when disabled

PiperOrigin-RevId: 583474609
Change-Id: I205edc5c508f12b84244912f9acc47308a8ca540
---
 absl/hash/internal/hash.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h
index c94a6214..fb17cc3c 100644
--- a/absl/hash/internal/hash.h
+++ b/absl/hash/internal/hash.h
@@ -61,7 +61,8 @@
 #include "absl/types/variant.h"
 #include "absl/utility/utility.h"
 
-#if ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L
+#if ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L && \
+    !defined(_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY)
 #include <filesystem>  // NOLINT
 #endif
 
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