From 2dd4fa8742fdac36468f8d8ea3e06e78215551f8 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@meta.com>
Date: Tue, 26 Sep 2023 12:42:37 -0700
Subject: [PATCH] Remove an ostream hack incompatible with libc++ 17

---
 include/fmt/ostream.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/include/fmt/ostream.h b/include/fmt/ostream.h
index e5ae9e18bb0d..7d194227c197 100644
--- a/include/fmt/ostream.h
+++ b/include/fmt/ostream.h
@@ -13,8 +13,6 @@
 #if defined(_WIN32) && defined(__GLIBCXX__)
 #  include <ext/stdio_filebuf.h>
 #  include <ext/stdio_sync_filebuf.h>
-#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
-#  include <__std_stream>
 #endif
 
 #include "format.h"
@@ -37,10 +35,6 @@ class file_access {
 template class file_access<file_access_tag, std::filebuf,
                            &std::filebuf::_Myfile>;
 auto get_file(std::filebuf&) -> FILE*;
-#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
-template class file_access<file_access_tag, std::__stdoutbuf<char>,
-                           &std::__stdoutbuf<char>::__file_>;
-auto get_file(std::__stdoutbuf<char>&) -> FILE*;
 #endif
 
 inline bool write_ostream_unicode(std::ostream& os, fmt::string_view data) {
@@ -57,9 +51,6 @@ inline bool write_ostream_unicode(std::ostream& os, fmt::string_view data) {
   else
     return false;
   if (c_file) return write_console(c_file, data);
-#elif defined(_WIN32) && defined(_LIBCPP_VERSION)
-  if (auto* buf = dynamic_cast<std::__stdoutbuf<char>*>(os.rdbuf()))
-    if (FILE* f = get_file(*buf)) return write_console(f, data);
 #else
   ignore_unused(os, data);
 #endif