diff --git a/pkg-config-lib64-excludes.patch b/pkg-config-lib64-excludes.patch
new file mode 100644
index 0000000..702a32f
--- /dev/null
+++ b/pkg-config-lib64-excludes.patch
@@ -0,0 +1,63 @@
+=== modified file 'pkg.c'
+--- pkg.c	2008-03-23 20:39:07 +0000
++++ pkg.c	2008-06-06 18:49:58 +0000
+@@ -936,31 +936,44 @@
+   g_slist_foreach (system_directories, (GFunc) g_free, NULL);
+   g_slist_free (system_directories);
+ 
++
++  system_directories = g_slist_prepend (NULL, "/usr/lib");
+ #ifdef PREFER_LIB64
+-#define SYSTEM_LIBDIR "/usr/lib64"
+-#else
+-#define SYSTEM_LIBDIR "/usr/lib"
++  system_directories = g_slist_prepend (system_directories, "/usr/lib64");
+ #endif
+   count = 0;
+   iter = pkg->L_libs;
+   while (iter != NULL)
+     {
+-      if (strcmp (iter->data, "-L" SYSTEM_LIBDIR) == 0 ||
+-          strcmp (iter->data, "-L " SYSTEM_LIBDIR) == 0)
++      GSList *subiter = system_directories;
++      while (subiter != NULL)
+         {
+-          debug_spew ("Package %s has -L" SYSTEM_LIBDIR " in Libs\n",
+-                      pkg->name);
+-          if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_LIBS") == NULL)
+-            {              
+-              iter->data = NULL;
+-              ++count;
+-              debug_spew ("Removing -L" SYSTEM_LIBDIR " from libs for %s\n", pkg->key);
++          gboolean is_system = FALSE;
++          const char *linker_arg = iter->data;
++          const char *system_libpath = subiter->data;
++          if (strncmp (linker_arg, "-L ", 3) == 0 &&
++              strcmp (linker_arg + 3, system_libpath) == 0)
++            is_system = TRUE;
++          else if (strncmp (linker_arg, "-L", 2) == 0 &&
++              strcmp (linker_arg + 2, system_libpath) == 0)
++            is_system = TRUE;
++          if (is_system)
++            {
++              debug_spew ("Package %s has -L %s in Libs\n",
++                          pkg->name, system_libpath);
++              if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_LIBS") == NULL)
++                {              
++                  iter->data = NULL;
++                  ++count;
++                  debug_spew ("Removing -L %s from libs for %s\n", system_libpath, pkg->key);
++                  break;
++                }
+             }
++          subiter = subiter->next;
+         }
+-
+       iter = iter->next;
+     }
+-#undef SYSTEM_LIBDIR
++  g_slist_free (system_directories);
+ 
+   while (count)
+     {
+