From f1da075d9a0373c08af32e31dcbf0809ae4aec2f Mon Sep 17 00:00:00 2001
From: Thomas Munro
Date: Wed, 27 Nov 2024 22:34:03 +1300
Subject: Remove configure check for _configthreadlocale().

All modern Windows systems have _configthreadlocale().  It was first
introduced in msvcr80.dll from Visual Studio 2005.  Historically, MinGW
was stuck on even older msvcrt.dll, but added its own dummy
implementation of the function when using msvcrt.dll years ago anyway,
effectively rendering the configure test useless.  In practice we don't
encounter the dummy anymore because modern MinGW uses ucrt.

Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/CWZBBRR6YA8D.8EHMDRGLCKCD%40neon.tech
---
 configure.ac | 1 -
 1 file changed, 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 4f56bb5062e..8c3367bd545 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1820,7 +1820,6 @@ fi
 
 # Win32 (really MinGW) support
 if test "$PORTNAME" = "win32"; then
-  AC_CHECK_FUNCS(_configthreadlocale)
   AC_LIBOBJ(dirmod)
   AC_LIBOBJ(kill)
   AC_LIBOBJ(open)
-- 
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