SPDX-FileCopyrightText: 2019 Giovanni Mascellani <gio@debian.org>

SPDX-License-Identifier: MIT

From 1642f5982009e110615a29745f9cafd51a5c1597 Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gio@debian.org>
Date: Tue, 11 Jun 2019 11:20:07 +0200
Subject: [PATCH] stdarg.h: add support for tcc.

---
 arch/i386/bits/alltypes.h.in | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/i386/bits/alltypes.h.in b/arch/i386/bits/alltypes.h.in
index 1a8432d3..44cb5987 100644
--- musl-1.1.24/arch/i386/bits/alltypes.h.in
+++ musl-1.1.24/arch/i386/bits/alltypes.h.in
@@ -2,7 +2,19 @@
 #define _Int64 long long
 #define _Reg int
 
-#if __GNUC__ >= 3
+#ifdef __TINYC__
+typedef char *__builtin_va_list;
+#define __builtin_va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
+#define __builtin_va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
+#define __builtin_va_copy(dest, src) (dest) = (src)
+#define __builtin_va_end(ap)
+#ifndef __TINYC_redefine_va_list
+#define __TINYC_redefine_va_list
+#undef __DEFINED_va_list
+#endif
+#endif
+
+#if __GNUC__ >= 3 || defined(__TINYC__)
 TYPEDEF __builtin_va_list va_list;
 TYPEDEF __builtin_va_list __isoc_va_list;
 #else
-- 
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