From 23b866da5c2bbfb571902b833098937949a40a2b Mon Sep 17 00:00:00 2001
From: t-wiser <twiser.public@gmail.com>
Date: Mon, 31 Aug 2020 21:29:23 -0400
Subject: [PATCH] Allow use of <fcntl.h> in Linux when __has_include is not
 available.

---
 include/fmt/os.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/fmt/os.h b/include/fmt/os.h
index fec540d8..caf6a4b2 100644
--- a/include/fmt/os.h
+++ b/include/fmt/os.h
@@ -29,7 +29,8 @@
 #if FMT_HAS_INCLUDE("winapifamily.h")
 #  include <winapifamily.h>
 #endif
-#if (FMT_HAS_INCLUDE(<fcntl.h>) || defined(__APPLE__)) && \
+#if (FMT_HAS_INCLUDE(<fcntl.h>) || defined(__APPLE__) || \
+     defined(__linux__)) &&                              \
     (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
 #  include <fcntl.h>  // for O_RDONLY
 #  define FMT_USE_FCNTL 1