Provide missing defines which otherwise are available on glibc system headers

Alter the error API to match posix version
use qsort instead of qsort_r which is glibc specific API

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Inappropriate [workaround for musl]
--- a/src/arlib.h
+++ b/src/arlib.h
@@ -29,6 +29,12 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#if !defined(ALLPERMS)
+# define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO) /* 07777 */
+#endif
+#if !defined(DEFFILEMODE)
+# define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)/* 0666*/
+#endif
 
 /* State of -D/-U flags.  */
 extern bool arlib_deterministic_output;
--- a/src/elfcompress.c
+++ b/src/elfcompress.c
@@ -37,6 +37,13 @@
 #include "libeu.h"
 #include "printversion.h"
 
+#if !defined(ALLPERMS)
+# define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO) /* 07777 */
+#endif
+#if !defined(FNM_EXTMATCH)
+# define FNM_EXTMATCH (0)
+#endif
+
 /* Name and version of program.  */
 ARGP_PROGRAM_VERSION_HOOK_DEF = print_version;
 
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -4792,10 +4792,11 @@ listptr_base (struct listptr *p)
   return cudie_base (&cu);
 }
 
+static const char *listptr_name;
+
 static int
-compare_listptr (const void *a, const void *b, void *arg)
+compare_listptr (const void *a, const void *b)
 {
-  const char *name = arg;
   struct listptr *p1 = (void *) a;
   struct listptr *p2 = (void *) b;
 
@@ -4811,21 +4812,21 @@ compare_listptr (const void *a, const vo
 	  p1->warned = p2->warned = true;
 	  error (0, 0,
 		 gettext ("%s %#" PRIx64 " used with different address sizes"),
-		 name, (uint64_t) p1->offset);
+		 listptr_name, (uint64_t) p1->offset);
 	}
       if (p1->dwarf64 != p2->dwarf64)
 	{
 	  p1->warned = p2->warned = true;
 	  error (0, 0,
 		 gettext ("%s %#" PRIx64 " used with different offset sizes"),
-		 name, (uint64_t) p1->offset);
+		 listptr_name, (uint64_t) p1->offset);
 	}
       if (listptr_base (p1) != listptr_base (p2))
 	{
 	  p1->warned = p2->warned = true;
 	  error (0, 0,
 		 gettext ("%s %#" PRIx64 " used with different base addresses"),
-		 name, (uint64_t) p1->offset);
+		 listptr_name, (uint64_t) p1->offset);
 	}
       if (p1->attr != p2 ->attr)
 	{
@@ -4833,7 +4834,7 @@ compare_listptr (const void *a, const vo
 	  error (0, 0,
 		 gettext ("%s %#" PRIx64
 			  " used with different attribute %s and %s"),
-		 name, (uint64_t) p1->offset, dwarf_attr_name (p2->attr),
+		 listptr_name, (uint64_t) p1->offset, dwarf_attr_name (p2->attr),
 		 dwarf_attr_name (p2->attr));
 	}
     }
@@ -4905,8 +4906,11 @@ static void
 sort_listptr (struct listptr_table *table, const char *name)
 {
   if (table->n > 0)
-    qsort_r (table->table, table->n, sizeof table->table[0],
-	     &compare_listptr, (void *) name);
+    {
+      listptr_name = name;
+      qsort (table->table, table->n, sizeof table->table[0],
+	    &compare_listptr);
+    }
 }
 
 static bool
--- a/src/strip.c
+++ b/src/strip.c
@@ -46,6 +46,13 @@
 #include <system.h>
 #include <printversion.h>
 
+#if !defined(ACCESSPERMS)
+# define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
+#endif
+#if !defined(FNM_EXTMATCH)
+# define FNM_EXTMATCH (0)
+#endif
+
 typedef uint8_t GElf_Byte;
 
 /* Name and version of program.  */
--- a/src/unstrip.c
+++ b/src/unstrip.c
@@ -56,6 +56,15 @@
 # define _(str) gettext (str)
 #endif
 
+#ifndef strndupa
+#define strndupa(s, n) \
+       ({const char *__in = (s); \
+         size_t __len = strnlen (__in, (n)) + 1; \
+         char *__out = (char *) alloca (__len); \
+         __out[__len-1] = '\0'; \
+         (char *) memcpy (__out, __in, __len-1);})
+#endif
+
 /* Name and version of program.  */
 ARGP_PROGRAM_VERSION_HOOK_DEF = print_version;