Changes needed to get stdbuf to successfully preload libstdbuf.so

for both 32-bit and 64-bit applications. See comment in the patch

for more details.

--- coreutils-8.16/src/stdbuf.c.orig	2013-09-04 19:05:35.225857588 -0700

+++ coreutils-8.16/src/stdbuf.c	2013-09-04 19:11:51.945113130 -0700

@@ -195,37 +195,13 @@

      gcc stdbuf.c -Wl,-rpath,'$ORIGIN' -Wl,-rpath,$PKGLIBEXECDIR

      However we want the lookup done for the exec'd command not stdbuf.

-     Since we don't link against libstdbuf.so add it to PKGLIBEXECDIR

-     rather than to LIBDIR.  */

-  char const *const search_path[] = {

-    program_path,

-    PKGLIBEXECDIR,

-    NULL

-  };

+     Since we don't link against libstdbuf.so, we need to LD_PRELOAD it.

+     As libstdbuf.so lives in /usr/lib and /usr/lib/64, we just use

+     LD_PRELOAD=libstdbuf.so, and ld.so.1 finds the right one associated

+     with the process class. ie. we don't use full path names for the

+     preload names.  */

-  char const *const *path = search_path;

-  char *libstdbuf;

-

-  while (true)

-    {

-      struct stat sb;

-

-      if (!**path)              /* system default  */

-        {

-          libstdbuf = xstrdup (LIB_NAME);

-          break;

-        }

-      ret = asprintf (&libstdbuf, "%s/%s", *path, LIB_NAME);

-      if (ret < 0)

-        xalloc_die ();

-      if (stat (libstdbuf, &sb) == 0)   /* file_exists  */

-        break;

-      free (libstdbuf);

-

-      ++path;

-      if ( ! *path)

-        error (EXIT_CANCELED, 0, _("failed to find %s"), quote (LIB_NAME));

-    }

+  char *libstdbuf = xstrdup (LIB_NAME);

   /* FIXME: Do we need to support libstdbuf.dll, c:, '\' separators etc?  */