Update to musl 1.2.4.

sysa/musl-1.2.4/musl-1.2.4.sh

@@ -0,0 +1,33 @@
+# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_get() {
+    # Before the last pass the tar file is moved before
+    # the linux build removes all distfiles to save space.
+    if [ -e "../${pkg}.tar.gz" ]; then
+        mkdir "${DISTFILES}"
+        mv "../${pkg}.tar.gz" "${DISTFILES}"
+    else
+        default
+    fi
+}
+
+src_configure() {
+    CC=gcc ./configure \
+        --host=i386-unknown-linux-musl \
+        --disable-shared \
+        --prefix="${PREFIX}" \
+        --libdir="${LIBDIR}" \
+        --includedir="${PREFIX}/include/"
+
+    # configure script creates this file
+    if test -f /dev/null; then
+        rm /dev/null
+        mknod -m 666 /dev/null c 1 3
+    fi
+}
+
+src_compile() {
+    make "${MAKEJOBS}" CROSS_COMPILE=
+}

sysa/musl-1.2.4/patches/avoid_set_thread_area.patch

@@ -0,0 +1,50 @@
+# SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
+# SPDX-License-Identifier: MIT
+diff -r -u musl-1.2.3.orig/arch/i386/pthread_arch.h musl-1.2.3/arch/i386/pthread_arch.h
+--- arch/i386/pthread_arch.h	2022-04-07 17:12:40.000000000 +0000
++++ arch/i386/pthread_arch.h	2023-04-07 12:07:07.929132587 +0000
+@@ -1,8 +1,7 @@
++extern uintptr_t g_pthread;
+ static inline uintptr_t __get_tp()
+ {
+-	uintptr_t tp;
+-	__asm__ ("movl %%gs:0,%0" : "=r" (tp) );
+-	return tp;
++	return g_pthread;
+ }
+ 
+ #define MC_PC gregs[REG_EIP]
+diff -r -u musl-1.2.3.orig/arch/i386/syscall_arch.h musl-1.2.3/arch/i386/syscall_arch.h
+--- arch/i386/syscall_arch.h	2022-04-07 17:12:40.000000000 +0000
++++ arch/i386/syscall_arch.h	2022-12-20 17:28:21.734839560 +0000
+@@ -1,3 +1,4 @@
++#define SYSCALL_NO_TLS 1
+ #define __SYSCALL_LL_E(x) \
+ ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
+ ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
+diff -r -u musl-1.2.3.orig/src/env/__init_tls.c musl-1.2.3/src/env/__init_tls.c
+--- src/env/__init_tls.c	2022-04-07 17:12:40.000000000 +0000
++++ src/env/__init_tls.c	2023-04-07 12:07:38.677133193 +0000
+@@ -10,20 +10,19 @@
+ #include "syscall.h"
+ 
+ volatile int __thread_list_lock;
++uintptr_t g_pthread;
+ 
+ int __init_tp(void *p)
+ {
+ 	pthread_t td = p;
+ 	td->self = td;
+-	int r = __set_thread_area(TP_ADJ(p));
+-	if (r < 0) return -1;
+-	if (!r) libc.can_do_threads = 1;
+ 	td->detach_state = DT_JOINABLE;
+ 	td->tid = __syscall(SYS_set_tid_address, &__thread_list_lock);
+ 	td->locale = &libc.global_locale;
+ 	td->robust_list.head = &td->robust_list.head;
+ 	td->sysinfo = __sysinfo;
+ 	td->next = td->prev = td;
++	g_pthread = (uintptr_t) td;
+ 	return 0;
+ }
+ 

sysa/musl-1.2.4/patches/avoid_sys_clone.patch

@@ -0,0 +1,18 @@
+# SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
+# SPDX-License-Identifier: MIT
+--- src/process/posix_spawn.c	2022-04-07 17:12:40.000000000 +0000
++++ src/process/posix_spawn.c	2023-04-07 12:01:57.217126467 +0000
+@@ -190,8 +190,11 @@
+ 		goto fail;
+ 	}
+ 
+-	pid = __clone(child, stack+sizeof stack,
+-		CLONE_VM|CLONE_VFORK|SIGCHLD, &args);
++	pid = fork();
++	if (pid == 0) {
++		_exit(child(&args));
++	}
++
+ 	close(args.p[1]);
+ 	UNLOCK(__abort_lock);
+ 

sysa/musl-1.2.4/sources

@@ -0,0 +1 @@
+https://musl.libc.org/releases/musl-1.2.4.tar.gz 7a35eae33d5372a7c0da1188de798726f68825513b7ae3ebe97aaaa52114f039