live-bootstrap/steps/musl-1.1.24/patches/va_list.patch
fosslinux a67db8fcbd Make patches relative to where tarballs are extracted
Ever since an old patch version, it has (for reasonable security
reasons) not supported patched with ../ in the filename.
Many of our patches have been relying on this behaviour being OK,
because we start off with an ancient patch version that didn't perform
such checks. As soon as we need this behaviour after we build a newer
patch though, we will have problems.

So, let's change the policy.
Patches are relative to where tarballs are extracted, rather than the
"working directory" - e.g. have patches for `coreutils-9.4/src/cp.c`
instead of `src/cp.c`.
Keeping this consistent has a few implications;
- patches are applied from the build/ directory in bash era now, with
  `-p0`
- when patches are manually applied in the bash era, use `-p` as
  required, usually `-p1`
- in kaem era where patches are always manually applied, `-p1` is used
2024-12-23 15:20:42 +11:00

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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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