Accepting request 285070 from home:Andreas_Schwab:Factory

- Update to glibc 2.21 release.
  * A new semaphore algorithm has been implemented in generic C code for all
    machines
  * Added support for TSX lock elision of pthread mutexes on powerpc32,
    powerpc64 and powerpc64le
  * Optimized strcpy, stpcpy, strchrnul and strrchr implementations for
    AArch64
  * i386 memcpy functions optimized with SSE2 unaligned load/store
  * New locales: tu_IN, bh_IN, raj_IN, ce_RU
  * The obsolete sigvec function has been removed
- Patches from upstream removed
  * ifunc-x86-slow-sse4.patch
  * pthread-mutex-trylock-elision.patch
- o-tmpfile.patch: Fix value of O_TMPFILE for architectures with
  non-default O_DIRECTORY (BZ #17912)

OBS-URL: https://build.opensuse.org/request/show/285070
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=391

glibc-resolv-mdnshint.diff

@@ -1,12 +1,12 @@
-Index: glibc-2.17.90/resolv/res_hconf.c
+Index: glibc-2.20/resolv/res_hconf.c
 ===================================================================
---- glibc-2.17.90.orig/resolv/res_hconf.c
-+++ glibc-2.17.90/resolv/res_hconf.c
+--- glibc-2.20.orig/resolv/res_hconf.c
++++ glibc-2.20/resolv/res_hconf.c
 @@ -240,9 +240,12 @@ parse_line (const char *fname, int line_
    if (c == NULL)
      {
        char *buf;
-+      char *hint = "";
++      const char *hint = "";
  
 -      if (__asprintf (&buf, _("%s: line %d: bad command `%s'\n"),
 -		      fname, line_num, start) < 0)