openwrt/package/libs/elfutils/patches/100-musl-compat.patch

https://sourceware.org/bugzilla/show_bug.cgi?id=21002

--- a/lib/system.h
+++ b/lib/system.h
@@ -30,7 +30,18 @@
 #define LIB_SYSTEM_H	1
 
 #include <errno.h>
-#include <error.h>
+#ifdef HAVE_ERROR_H
+#include "error.h"
+#else
+#include "err.h"
+#include <stdio.h>
+#define error(status, errno, ...) 		\
+	do {					\
+		fflush(stdout); 		\
+		warn(__VA_ARGS__);		\
+		if (status) exit(status);	\
+	 } while(0)
+#endif
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/param.h>
@@ -38,6 +49,10 @@
 #include <byteswap.h>
 #include <unistd.h>
 
+#ifndef __GLIBC__
+#define canonicalize_file_name(name) realpath(name,NULL)
+#endif
+
 #if __BYTE_ORDER == __LITTLE_ENDIAN
 # define LE32(n)	(n)
 # define LE64(n)	(n)
--- a/libdw/libdw_alloc.c
+++ b/libdw/libdw_alloc.c
@@ -73,5 +73,5 @@ __attribute ((noreturn)) attribute_hidde
 __libdw_oom (void)
 {
   while (1)
-    error (EXIT_FAILURE, ENOMEM, "libdw");
+    error (EXIT_FAILURE, errno, gettext ("cannot allocate memory"));
 }
--- a/libdwfl/dwfl_error.c
+++ b/libdwfl/dwfl_error.c
@@ -140,6 +140,7 @@ __libdwfl_seterrno (Dwfl_Error error)
 const char *
 dwfl_errmsg (int error)
 {
+  static __thread char s[64] = "";
   if (error == 0 || error == -1)
     {
       int last_error = global_error;
@@ -154,7 +155,8 @@ dwfl_errmsg (int error)
   switch (error &~ 0xffff)
     {
     case OTHER_ERROR (ERRNO):
-      return strerror_r (error & 0xffff, "bad", 0);
+      strerror_r (error & 0xffff, s, sizeof(s));
+      return s;
     case OTHER_ERROR (LIBELF):
       return elf_errmsg (error & 0xffff);
     case OTHER_ERROR (LIBDW):