From 141380172f05adff3cc4e565e577d73c4b9220d6 Mon Sep 17 00:00:00 2001
From: Vladislav Shchapov <vladislav@shchapov.ru>
Date: Mon, 9 Dec 2024 20:13:24 +0500
Subject: [PATCH] Allow disabling <filesystem> by define
 FMT_CPP_LIB_FILESYSTEM=0 (#4259)

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
---
 include/fmt/std.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/fmt/std.h b/include/fmt/std.h
index 82fa5278..b00e4022 100644
--- a/include/fmt/std.h
+++ b/include/fmt/std.h
@@ -27,6 +27,10 @@
 
 // Check FMT_CPLUSPLUS to suppress a bogus warning in MSVC.
 #  if FMT_CPLUSPLUS >= 201703L
+#    if FMT_HAS_INCLUDE(<filesystem>) && \
+        (!defined(FMT_CPP_LIB_FILESYSTEM) || FMT_CPP_LIB_FILESYSTEM != 0)
+#      include <filesystem>
+#    endif
 #    if FMT_HAS_INCLUDE(<variant>)
 #      include <variant>
 #    endif
@@ -76,7 +80,6 @@
 #endif
 
 #if FMT_CPP_LIB_FILESYSTEM
-#  include <filesystem>
 FMT_BEGIN_NAMESPACE
 
 namespace detail {