binutils/binutils-skip-rpaths.patch

Index: ld/emultempl/elf32.em
===================================================================
--- ld/emultempl/elf32.em.orig	2009-11-23 14:02:48.000000000 +0100
+++ ld/emultempl/elf32.em	2009-11-23 14:03:07.000000000 +0100
@@ -1394,15 +1394,46 @@ if test x"$LDEMUL_BEFORE_ALLOCATION" !=
   else
     ELF_INTERPRETER_SET_DEFAULT=
   fi
+
+  libpath_nl=
+  for path in $NATIVE_LIB_DIRS; do
+    libpath_nl="$libpath_nl\n$path"
+  done
+
 fragment <<EOF
 
+static int
+gld${EMULATION_NAME}_is_contained (const char *path, const char *dc)
+{
+  while (*dc) 
+    {
+      const char *pc = path;
+
+      while (*dc && *pc && *dc == *pc && *dc != '\n'
+	     && *pc != ':' && *dc != '=') 
+	{
+	  dc++;
+	  pc++;
+	}
+      if ((*pc == 0 || *pc == ':') && (*dc == '\n' || *dc == '=' || *dc == 0))
+	return 1;
+
+      while (*dc && *dc != '\n')
+	dc++;
+      if (*dc == '\n')
+	dc++;
+    }
+
+  return 0;
+}
+
 /* This is called after the sections have been attached to output
    sections, but before any sizes or addresses have been set.  */
 
 static void
 gld${EMULATION_NAME}_before_allocation (void)
 {
-  const char *rpath;
+  char *rpath;
   asection *sinterp;
 
   if (link_info.hash->type == bfd_link_elf_hash_table)
@@ -1417,7 +1448,66 @@ gld${EMULATION_NAME}_before_allocation (
      by dynamic linking.  */
   rpath = command_line.rpath;
   if (rpath == NULL)
-    rpath = (const char *) getenv ("LD_RUN_PATH");
+    rpath = getenv ("LD_RUN_PATH");
+
+  if (rpath != NULL && getenv ("SUSE_IGNORED_RPATHS")) 
+    {
+      char *dirs = 0;
+      FILE *ldso = fopen (getenv ("SUSE_IGNORED_RPATHS"), "r");
+      if (ldso) 
+	{
+	  off_t endcur = 0;
+	  fseek (ldso, 0, SEEK_END);
+	  endcur = ftell (ldso);
+	  fseek (ldso, 0, SEEK_SET);
+	  dirs = xmalloc (endcur);
+	  if (fread (dirs, 1, endcur, ldso) != (size_t) endcur)
+	    {
+	      free (dirs);
+	      dirs = NULL;
+	    }
+	}
+      if (dirs)
+	{
+	  char *cr;
+	  rpath = xstrdup (rpath);
+	  cr = rpath; /* cursor read */
+
+	  while (*cr) 
+            {
+	      if (gld${EMULATION_NAME}_is_contained (cr, dirs)
+		  || gld${EMULATION_NAME}_is_contained (cr, "$libpath_nl")) 
+	        { 
+		  char *cc = cr, *cw = cr;
+		  while (*cc && *cc != ':')
+		    cc++;
+		  if (*cc == ':') 
+                    {
+		      cc++;
+		      for (; *cc; cc++, cw++)
+		        *cw = *cc;
+                    }
+                  else if (cw > rpath)
+                     cw[-1] = 0;
+
+		  *cw = 0;
+	        } 
+	      else 
+		{
+		  while (*cr && *cr != ':')
+		    cr++;
+		  if (*cr == ':')
+		    cr++;
+		}
+	    }
+	  if (*rpath == '\0') 
+	    {
+	      free (rpath);
+	      rpath = NULL;
+	    }	
+	}
+    }
+
   if (! (bfd_elf_size_dynamic_sections
 	 (link_info.output_bfd, command_line.soname, rpath,
 	  command_line.filter_shlib,