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libsdl: Fix build with musl

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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Khem Raj 2024-05-18 18:16:16 -07:00
parent 4ce72171a0
commit 47bda4da57
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2 changed files with 53 additions and 0 deletions
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52
meta-oe/recipes-graphics/libsdl/libsdl-1.2.15/0001-stdlib-Make-iconv-use-portable-across-glibc-musl.patch Normal file
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@ -0,0 +1,52 @@
From 6c35fc94ca30a4d0662479f7ef8a704d97aa7352 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 18 May 2024 18:13:30 -0700
Subject: [PATCH] stdlib: Make iconv use portable across glibc/musl
This is a backport from libsdl2
Upstream-Status: Backport [https://github.com/libsdl-org/SDL/blob/main/src/stdlib/SDL_iconv.c#L49C1-L51C1]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/stdlib/SDL_iconv.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/src/stdlib/SDL_iconv.c b/src/stdlib/SDL_iconv.c
index fa56a99..087b6ec 100644
--- a/src/stdlib/SDL_iconv.c
+++ b/src/stdlib/SDL_iconv.c
@@ -28,27 +28,16 @@
#ifdef HAVE_ICONV
-/* Depending on which standard the iconv() was implemented with,
- iconv() may or may not use const char ** for the inbuf param.
- If we get this wrong, it's just a warning, so no big deal.
-*/
-#if defined(_XGP6) || \
- defined(__GLIBC__) && ((__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
-#define ICONV_INBUF_NONCONST
-#endif
-
#include <errno.h>
size_t SDL_iconv(SDL_iconv_t cd,
const char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft)
{
- size_t retCode;
-#ifdef ICONV_INBUF_NONCONST
- retCode = iconv(cd, (char **)inbuf, inbytesleft, outbuf, outbytesleft);
-#else
- retCode = iconv(cd, inbuf, inbytesleft, outbuf, outbytesleft);
-#endif
+ /* iconv's second parameter may or may not be `const char const *` depending on the
+ C runtime's whims. Casting to void * seems to make everyone happy, though. */
+
+ const size_t retCode = iconv((iconv_t)((uintptr_t)cd), (void *)inbuf, inbytesleft, outbuf, outbytesleft);
if ( retCode == (size_t)-1 ) {
switch(errno) {
case E2BIG:
--
2.45.1

1
meta-oe/recipes-graphics/libsdl/libsdl_1.2.15.bb
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@ -15,6 +15,7 @@ SRC_URI = "http://www.libsdl.org/release/SDL-${PV}.tar.gz \
file://libsdl-1.2.15-xdata32.patch \
file://pkgconfig.patch \
file://0001-build-Pass-tag-CC-explictly-when-using-libtool.patch \
file://0001-stdlib-Make-iconv-use-portable-across-glibc-musl.patch \
file://CVE-2019-7577.patch \
file://CVE-2019-7574.patch \
file://CVE-2019-7572.patch \