Original patch from Gentoo:

 gentoo/src/patchsets/binutils/2.19/42_all_012_check_ldrunpath_length.patch

 Originaly from Debian:

 ## 012_check_ldrunpath_length.dpatch by Chris Chimelis <chris@debian.org>

 ##

 ## All lines beginning with `## DP:' are a description of the patch.

 ## DP: Only generate an RPATH entry if LD_RUN_PATH is not empty, for

 ## DP: cases where -rpath isn't specified. (#151024)

 diff -durN binutils-2.19.orig/ld/emultempl/elf32.em binutils-2.19/ld/emultempl/elf32.em

 --- binutils-2.19.orig/ld/emultempl/elf32.em	2008-09-07 06:02:31.000000000 +0200

 +++ binutils-2.19/ld/emultempl/elf32.em	2008-11-23 16:25:51.000000000 +0100

 @@ -1219,6 +1219,8 @@

  	      && command_line.rpath == NULL)

  	    {

  	      lib_path = (const char *) getenv ("LD_RUN_PATH");

 +	      if ((lib_path) && (strlen (lib_path) == 0))

 +		  lib_path = NULL;

  	      if (gld${EMULATION_NAME}_search_needed (lib_path, &n,

  						      force))

  		break;

 @@ -1404,6 +1406,8 @@

    rpath = command_line.rpath;

    if (rpath == NULL)

      rpath = (const char *) getenv ("LD_RUN_PATH");

 +  if ((rpath) && (strlen (rpath) == 0))

 +      rpath = NULL;

    if (! (bfd_elf_size_dynamic_sections

  	 (link_info.output_bfd, command_line.soname, rpath,

  	  command_line.filter_shlib,