feat: add libexecinfo to support Lambda containers based on Alpine 3.19

kubezero/libexecinfo/10-execinfo.patch

@@ -0,0 +1,64 @@
+--- a/execinfo.c.orig
++++ b/execinfo.c
+@@ -69,7 +69,8 @@
+ char **
+ backtrace_symbols(void *const *buffer, int size)
+ {
+-    int i, clen, alen, offset;
++    size_t clen, alen;
++    int i, offset;
+     char **rval;
+     char *cp;
+     Dl_info info;
+@@ -78,7 +79,6 @@
+     rval = malloc(clen);
+     if (rval == NULL)
+         return NULL;
+-    (char **)cp = &(rval[size]);
+     for (i = 0; i < size; i++) {
+         if (dladdr(buffer[i], &info) != 0) {
+             if (info.dli_sname == NULL)
+@@ -92,14 +92,14 @@
+                    2 +                      /* " <" */
+                    strlen(info.dli_sname) + /* "function" */
+                    1 +                      /* "+" */
+-                   D10(offset) +            /* "offset */
++                   10 +                     /* "offset */
+                    5 +                      /* "> at " */
+                    strlen(info.dli_fname) + /* "filename" */
+                    1;                       /* "\0" */
+             rval = realloc_safe(rval, clen + alen);
+             if (rval == NULL)
+                 return NULL;
+-            snprintf(cp, alen, "%p <%s+%d> at %s",
++            snprintf((char *) rval + clen, alen, "%p <%s+%d> at %s",
+               buffer[i], info.dli_sname, offset, info.dli_fname);
+         } else {
+             alen = 2 +                      /* "0x" */
+@@ -108,12 +108,15 @@
+             rval = realloc_safe(rval, clen + alen);
+             if (rval == NULL)
+                 return NULL;
+-            snprintf(cp, alen, "%p", buffer[i]);
++            snprintf((char *) rval + clen, alen, "%p", buffer[i]);
+         }
+-        rval[i] = cp;
+-        cp += alen;
++        rval[i] = (char *) clen;
++        clen += alen;
+     }
+ 
++    for (i = 0; i < size; i++)
++        rval[i] += (long) rval;
++
+     return rval;
+ }
+ 
+@@ -155,6 +158,6 @@
+                 return;
+             snprintf(buf, len, "%p\n", buffer[i]);
+         }
+-        write(fd, buf, len - 1);
++        write(fd, buf, strlen(buf));
+     }
+ }

kubezero/libexecinfo/20-define-gnu-source.patch

@@ -0,0 +1,24 @@
+--- a/execinfo.c.orig
++++ b/execinfo.c
+@@ -26,6 +26,7 @@
+  * $Id: execinfo.c,v 1.3 2004/07/19 05:21:09 sobomax Exp $
+  */
+ 
++#define _GNU_SOURCE
+ #include <sys/types.h>
+ #include <sys/uio.h>
+ #include <dlfcn.h>
+--- a/stacktraverse.c.orig
++++ b/stacktraverse.c
+@@ -1,3 +1,4 @@
++#define _GNU_SOURCE
+ #include <stddef.h>
+ 
+ #include "stacktraverse.h"
+--- a/test.c.orig
++++ b/test.c
+@@ -1,3 +1,4 @@
++#define _GNU_SOURCE
+ #include <stdio.h>
+ #include <stdlib.h>
+ 

kubezero/libexecinfo/30-linux-makefile.patch

@@ -0,0 +1,44 @@
+--- a/Makefile.orig
++++ b/Makefile
+@@ -23,24 +23,25 @@
+ # SUCH DAMAGE.
+ #
+ # $Id: Makefile,v 1.3 2004/07/19 05:19:55 sobomax Exp $
++#
++# Linux Makefile by Matt Smith <mcs@darkregion.net>, 2011/01/04
+ 
+-LIB=	execinfo
++CC=cc
++AR=ar
++EXECINFO_CFLAGS=$(CFLAGS) -O2 -pipe -fno-strict-aliasing -std=gnu99 -fstack-protector -c
++EXECINFO_LDFLAGS=$(LDFLAGS)
+ 
+-SRCS=	stacktraverse.c stacktraverse.h execinfo.c execinfo.h
++all: static dynamic
+ 
+-INCS=	execinfo.h
++static:
++	$(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c
++	$(CC) $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c
++	$(AR) rcs libexecinfo.a stacktraverse.o execinfo.o
+ 
+-SHLIB_MAJOR=	1
+-SHLIB_MINOR=	0
++dynamic:
++	$(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) stacktraverse.c -o stacktraverse.So
++	$(CC) -fpic -DPIC $(EXECINFO_CFLAGS) $(EXECINFO_LDFLAGS) execinfo.c -o execinfo.So
++	$(CC) -shared -Wl,-soname,libexecinfo.so.1 -o libexecinfo.so.1 stacktraverse.So execinfo.So
+ 
+-NOPROFILE=	yes
+-
+-DPADD=		${LIBM}
+-LDADD=		-lm
+-
+-#WARNS?=	4
+-
+-#stacktraverse.c: gen.py
+-#	./gen.py > stacktraverse.c
+-
+-.include <bsd.lib.mk>
++clean:
++	rm -rf *.o *.So *.a *.so

kubezero/libexecinfo/APKBUILD

@@ -0,0 +1,50 @@
+# Contributor: Philipp Andronov <filipp.andronov@gmail.com>
+# Maintainer: Matt Smith <mcs@darkregion.net>
+pkgname=libexecinfo
+pkgver=1.1
+pkgrel=1
+pkgdesc="A quick-n-dirty BSD licensed clone of the GNU libc backtrace facility."
+options="!check" # No testsuite
+url="https://www.freshports.org/devel/libexecinfo"
+arch="all"
+license="BSD-2-Clause"
+subpackages="$pkgname-static ${pkgname}-dev"
+source="http://distcache.freebsd.org/local-distfiles/itetcu/$pkgname-$pkgver.tar.bz2
+	10-execinfo.patch
+	20-define-gnu-source.patch
+	30-linux-makefile.patch
+	"
+
+build() {
+	cd "$builddir"
+	export CFLAGS="${CFLAGS} -fno-omit-frame-pointer"
+	make
+}
+
+package() {
+	cd "$builddir"
+
+	install -D -m755 "$builddir"/execinfo.h \
+		"$pkgdir"/usr/include/execinfo.h
+	install -D -m755 "$builddir"/stacktraverse.h \
+		"$pkgdir"/usr/include/stacktraverse.h
+	install -D -m755 "$builddir"/libexecinfo.a \
+		"$pkgdir"/usr/lib/libexecinfo.a
+	install -D -m755 "$builddir"/libexecinfo.so.1 \
+		"$pkgdir"/usr/lib/libexecinfo.so.1
+	ln -s /usr/lib/libexecinfo.so.1 \
+		"$pkgdir"/usr/lib/libexecinfo.so
+}
+
+static() {
+	depends=""
+	pkgdesc="$pkgdesc (static library)"
+
+	mkdir -p "$subpkgdir"/usr/lib
+	mv "$pkgdir"/usr/lib/*.a "$subpkgdir"/usr/lib
+}
+
+sha512sums="51fea7910ef6873061a25c22434ce4da724e9d8e37616a069ad0a58c0463755be4c6c7da88cd747484c2f3373909d7be4678b32a4bd91b6d9e0f74526094e92c  libexecinfo-1.1.tar.bz2
+cd35c9046d88b39b05bc36faffb1e71ae3b2140632da7da37f374fff671d4ad812eebd0581011ff9e3b25d3cb4bc962cf35957074f713817b3b617511425af1a  10-execinfo.patch
+c961b2f86cba291e8c69a507e3880354ad7369fd04c8948d54c4db0578fe30cca8f4250742cb63d1ab6e5875988f04c4729256197030369404f0e925f299a66c  20-define-gnu-source.patch
+13d3df88a6dabd78ee2cf50092511f5a10f0e5ff3d81dbacb182fcf85ceb0c13a5f0252397b4eb0ac57f8d8bd3fc3af6c05865d6398cbc1517f347210c5750da  30-linux-makefile.patch"