File 0004-Use-mingw-setjmp-on-ucrt.patch of Package mingw-w64-postgresql

From 7c16cbd4fb320e35e31e84364704a9888dd283cf Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Sat, 24 May 2025 22:56:44 +0200
Subject: [PATCH 4/4] Use mingw setjmp on ucrt

---
 src/include/c.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/include/c.h b/src/include/c.h
index bc26c6aa7f1..a655fe0d033 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -1355,15 +1355,15 @@ extern int	fdatasync(int fildes);
  * so on that toolchain we cheat and use gcc's builtins.
  */
 #ifdef WIN32
-#ifdef __MINGW64__
+#if defined(__MINGW64__) && !defined(_UCRT)
 typedef intptr_t sigjmp_buf[5];
 #define sigsetjmp(x,y) __builtin_setjmp(x)
 #define siglongjmp __builtin_longjmp
-#else							/* !__MINGW64__ */
+#else							/* !defined(__MINGW64__) || defined(_UCRT) */
 #define sigjmp_buf jmp_buf
 #define sigsetjmp(x,y) setjmp(x)
 #define siglongjmp longjmp
-#endif							/* __MINGW64__ */
+#endif							/* defined(__MINGW64__) && !defined(_UCRT) */
 #endif							/* WIN32 */
 
 /* /port compatibility functions */
-- 
2.49.0