Merge changes between r12643 and r12752 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@12753 7b3dc134-2b1b-0410-93df-9e9f96275f8d

35 files changed, 928 insertions, 485 deletions

diff --git a/libc/ChangeLog b/libc/ChangeLog
index d3ae8bc94..6b6e6ac20 100644
--- a/libc/ChangeLog
+++ b/libc/ChangeLog
@@ -1,3 +1,56 @@
+2011-02-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #12460]
+	* config.make.in (config-cflags-novzeroupper): Define.
+	* configure.in: Substitute libc_cv_cc_novzeroupper.
+	* elf/Makefile (AVX-CFLAGS): Define.
+	(CFLAGS-tst-audit4.c): Replace -mavx with $(AVX-CFLAGS).
+	(CFLAGS-tst-auditmod4a.c): Likewise.
+	(CFLAGS-tst-auditmod4b.c): Likewise.
+	(CFLAGS-tst-auditmod6b.c): Likewise.
+	(CFLAGS-tst-auditmod6c.c): Likewise.
+	(CFLAGS-tst-auditmod7b.c): Likewise.
+	* sysdeps/i386/configure.in: Check -mno-vzeroupper.
+
+2011-02-02  Ulrich Drepper  <drepper@gmail.com>
+
+	* elf/dl-runtime.c (_dl_call_pltexit): Pass correct address of the
+	function to the callback.
+	Patch partly by Jiri Olsa <jolsa@redhat.com>.
+
+2011-02-02  Andreas Schwab  <schwab@redhat.com>
+
+	* shadow/sgetspent.c: Check return value of __sgetspent_r instead
+	of errno.
+
+2011-01-19  Ulrich Drepper  <drepper@gmail.com>
+
+	[BZ #11724]
+	* elf/dl-deps.c (_dl_map_object_deps): Rewrite sorting determining order
+	of constructors.
+	* elf/dl-fini.c (_dl_sort_fini): Rewrite sorting determining order
+	of destructors.
+	(_dl_fini): Don't call _dl_sort_fini if there is only one object.
+
+	[BZ #11724]
+	* elf/Makefile: Add rules to build and run new test.
+	* elf/tst-initorder.c: New file.
+	* elf/tst-initorder.exp: New file.
+	* elf/tst-initordera1.c: New file.
+	* elf/tst-initordera2.c: New file.
+	* elf/tst-initordera3.c: New file.
+	* elf/tst-initordera4.c: New file.
+	* elf/tst-initorderb1.c: New file.
+	* elf/tst-initorderb2.c: New file.
+	* elf/tst-order-a1.c: New file.
+	* elf/tst-order-a2.c: New file.
+	* elf/tst-order-a3.c: New file.
+	* elf/tst-order-a4.c: New file.
+	* elf/tst-order-b1.c: New file.
+	* elf/tst-order-b2.c: New file.
+	* elf/tst-order-main.c: New file.
+	New test case by George Gensure <werkt0@gmail.com>.
+
 2010-10-01  Andreas Schwab  <schwab@redhat.com>
 
 	* sysdeps/posix/getaddrinfo.c (gaih_inet): Don't discard result of
diff --git a/libc/NEWS b/libc/NEWS
index 7444b9de6..836160d03 100644
--- a/libc/NEWS
+++ b/libc/NEWS
@@ -1,10 +1,16 @@
-GNU C Library NEWS -- history of user-visible changes.  2011-1-15
+GNU C Library NEWS -- history of user-visible changes.  2011-2-2
 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send GNU C library bug reports via <http://sources.redhat.com/bugzilla/>
 using `glibc' in the "product" field.
 
+Version 2.14
+
+* The following bugs are resolved with this release:
+
+  11724, 12460
+
 Version 2.13
 
 * The following bugs are resolved with this release:
diff --git a/libc/config.make.in b/libc/config.make.in
index 9080bccff..a0ea8135a 100644
--- a/libc/config.make.in
+++ b/libc/config.make.in
@@ -36,6 +36,7 @@ asflags-cpu = @libc_cv_cc_submachine@
 
 config-cflags-sse4 = @libc_cv_cc_sse4@
 config-cflags-avx = @libc_cv_cc_avx@
+config-cflags-novzeroupper = @libc_cv_cc_novzeroupper@
 config-asflags-i686 = @libc_cv_as_i686@
 
 defines = @DEFINES@
diff --git a/libc/configure b/libc/configure
index 23b2bacd0..02770496d 100755
--- a/libc/configure
+++ b/libc/configure
@@ -658,6 +658,7 @@ elf
 ldd_rewrite_script
 use_ldconfig
 libc_cv_as_i686
+libc_cv_cc_novzeroupper
 libc_cv_cc_avx
 libc_cv_cc_sse4
 libc_cv_cpp_asm_debuginfo
@@ -8812,6 +8813,7 @@ fi
 
 
 
+
 if test $elf = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_ELF 1
diff --git a/libc/configure.in b/libc/configure.in
index d58a6e380..d0ff587fa 100644
--- a/libc/configure.in
+++ b/libc/configure.in
@@ -2264,6 +2264,7 @@ dnl sysdeps/CPU/configure.in checks set this via arch-specific asm tests
 AC_SUBST(libc_cv_cpp_asm_debuginfo)
 AC_SUBST(libc_cv_cc_sse4)
 AC_SUBST(libc_cv_cc_avx)
+AC_SUBST(libc_cv_cc_novzeroupper)
 AC_SUBST(libc_cv_as_i686)
 
 AC_SUBST(use_ldconfig)
diff --git a/libc/elf/Makefile b/libc/elf/Makefile
index 279ed193a..e97f565d9 100644
--- a/libc/elf/Makefile
+++ b/libc/elf/Makefile
@@ -118,7 +118,10 @@ distribute	:= rtld-Rules \
 		   ifuncmain7.c ifuncmain7pic.c ifuncmain7picstatic.c \
 		   ifuncmain7pie.c ifuncmain7static.c \
 		   tst-unique1.c tst-unique1mod1.c tst-unique1mod2.c \
-		   tst-unique2.c tst-unique2mod1.c tst-unique2mod2.c
+		   tst-unique2.c tst-unique2mod1.c tst-unique2mod2.c \
+			 tst-initordera1.c tst-initordera2.c tst-initorderb1.c \
+			 tst-initorderb2.c tst-initordera3.c tst-initordera4.c \
+			 tst-initorder.c
 
 CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
@@ -199,7 +202,8 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
 	 unload3 unload4 unload5 unload6 unload7 tst-global1 order2 \
 	 tst-audit1 tst-audit2 \
 	 tst-stackguard1 tst-addr1 tst-thrlock \
-	 tst-unique1 tst-unique2
+	 tst-unique1 tst-unique2 \
+	 tst-initorder
 #	 reldep9
 test-srcs = tst-pathopt
 tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog
@@ -251,7 +255,10 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
 		unload7mod1 unload7mod2 \
 		order2mod1 order2mod2 order2mod3 order2mod4 \
 		tst-unique1mod1 tst-unique1mod2 \
-		tst-unique2mod1 tst-unique2mod2
+		tst-unique2mod1 tst-unique2mod2 \
+		tst-initordera1 tst-initorderb1 \
+		tst-initordera2 tst-initorderb2 \
+		tst-initordera3 tst-initordera4
 ifeq (yes,$(have-initfini-array))
 modules-names += tst-array2dep tst-array5dep
 endif
@@ -534,6 +541,11 @@ $(objpfx)unload6mod2.so: $(libdl)
 $(objpfx)unload6mod3.so: $(libdl)
 $(objpfx)unload7mod1.so: $(libdl)
 $(objpfx)unload7mod2.so: $(objpfx)unload7mod1.so
+$(objpfx)tst-initordera2.so: $(objpfx)tst-initordera1.so
+$(objpfx)tst-initorderb2.so: $(objpfx)tst-initorderb1.so $(objpfx)tst-initordera2.so
+$(objpfx)tst-initordera3.so: $(objpfx)tst-initorderb2.so $(objpfx)tst-initorderb1.so
+$(objpfx)tst-initordera4.so: $(objpfx)tst-initordera3.so
+$(objpfx)tst-initorder: $(objpfx)tst-initordera4.so $(objpfx)tst-initordera1.so $(objpfx)tst-initorderb2.so
 
 LDFLAGS-tst-tlsmod5.so = -nostdlib
 LDFLAGS-tst-tlsmod6.so = -nostdlib
@@ -1178,11 +1190,21 @@ $(objpfx)tst-unique1.out: $(objpfx)tst-unique1mod1.so \
 $(objpfx)tst-unique2: $(libdl) $(objpfx)tst-unique2mod1.so
 $(objpfx)tst-unique2.out: $(objpfx)tst-unique2mod2.so
 
+$(objpfx)tst-initorder.out: $(objpfx)tst-initorder
+	$(elf-objpfx)${rtld-installed-name} \
+	  --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+	  $< > $@
+	cmp $@ tst-initorder.exp > /dev/null
+
 ifeq (yes,$(config-cflags-avx))
-CFLAGS-tst-audit4.c += -mavx
-CFLAGS-tst-auditmod4a.c += -mavx
-CFLAGS-tst-auditmod4b.c += -mavx
-CFLAGS-tst-auditmod6b.c += -mavx
-CFLAGS-tst-auditmod6c.c += -mavx
-CFLAGS-tst-auditmod7b.c += -mavx
+AVX-CFLAGS=-mavx
+ifeq (yes,$(config-cflags-novzeroupper))
+AVX-CFLAGS+=-mno-vzeroupper
+endif
+CFLAGS-tst-audit4.c += $(AVX-CFLAGS)
+CFLAGS-tst-auditmod4a.c += $(AVX-CFLAGS)
+CFLAGS-tst-auditmod4b.c += $(AVX-CFLAGS)
+CFLAGS-tst-auditmod6b.c += $(AVX-CFLAGS)
+CFLAGS-tst-auditmod6c.c += $(AVX-CFLAGS)
+CFLAGS-tst-auditmod7b.c += $(AVX-CFLAGS)
 endif
diff --git a/libc/elf/dl-deps.c b/libc/elf/dl-deps.c
index e4dea1aa1..524d76ee1 100644
--- a/libc/elf/dl-deps.c
+++ b/libc/elf/dl-deps.c
@@ -1,5 +1,5 @@
 /* Load the dependencies of a mapped object.
-   Copyright (C) 1996-2003, 2004, 2005, 2006, 2007, 2010
+   Copyright (C) 1996-2003, 2004, 2005, 2006, 2007, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -591,7 +591,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
 	    /* Need to allocate new array of relocation dependencies.  */
 	    struct link_map_reldeps *l_reldeps;
 	    l_reldeps = malloc (sizeof (*l_reldeps)
-	    			+ map->l_reldepsmax
+				+ map->l_reldepsmax
 				  * sizeof (struct link_map *));
 	    if (l_reldeps == NULL)
 	      /* Bad luck, keep the reldeps duplicated between
@@ -616,48 +616,60 @@ Filters not supported with LD_TRACE_PRELINKING"));
   /* Now determine the order in which the initialization has to happen.  */
   memcpy (l_initfini, map->l_searchlist.r_list,
 	  nlist * sizeof (struct link_map *));
+
   /* We can skip looking for the binary itself which is at the front
-     of the search list.  Look through the list backward so that circular
-     dependencies are not changing the order.  */
-  for (i = 1; i < nlist; ++i)
+     of the search list.  */
+  assert (nlist > 1);
+  i = 1;
+  bool seen[nlist];
+  memset (seen, false, nlist * sizeof (seen[0]));
+  while (1)
     {
-      struct link_map *l = map->l_searchlist.r_list[i];
-      unsigned int j;
-      unsigned int k;
-
-      /* Find the place in the initfini list where the map is currently
-	 located.  */
-      for (j = 1; l_initfini[j] != l; ++j)
-	;
-
-      /* Find all object for which the current one is a dependency and
-	 move the found object (if necessary) in front.  */
-      for (k = j + 1; k < nlist; ++k)
+      /* Keep track of which object we looked at this round.  */
+      seen[i] = true;
+      struct link_map *thisp = l_initfini[i];
+
+      /* Find the last object in the list for which the current one is
+	 a dependency and move the current object behind the object
+	 with the dependency.  */
+      unsigned int k = nlist - 1;
+      while (k > i)
 	{
-	  struct link_map **runp;
-
-	  runp = l_initfini[k]->l_initfini;
+	  struct link_map **runp = l_initfini[k]->l_initfini;
 	  if (runp != NULL)
-	    {
-	      while (*runp != NULL)
-		if (__builtin_expect (*runp++ == l, 0))
-		  {
-		    struct link_map *here = l_initfini[k];
-
-		    /* Move it now.  */
-		    memmove (&l_initfini[j] + 1, &l_initfini[j],
-			     (k - j) * sizeof (struct link_map *));
-		    l_initfini[j] = here;
+	    /* Look through the dependencies of the object.  */
+	    while (*runp != NULL)
+	      if (__builtin_expect (*runp++ == thisp, 0))
+		{
+		  /* Move the current object to the back past the last
+		     object with it as the dependency.  */
+		  memmove (&l_initfini[i], &l_initfini[i + 1],
+			   (k - i) * sizeof (l_initfini[0]));
+		  l_initfini[k] = thisp;
+
+		  if (seen[i + 1])
+		    {
+		      ++i;
+		      goto next_clear;
+		    }
+
+		  memmove (&seen[i], &seen[i + 1], (k - i) * sizeof (seen[0]));
+		  seen[k] = true;
+
+		  goto next;
+		}
+
+	  --k;
+	}
 
-		    /* Don't insert further matches before the last
-		       entry moved to the front.  */
-		    ++j;
+      if (++i == nlist)
+	break;
+    next_clear:
+      memset (&seen[i], false, (nlist - i) * sizeof (seen[0]));
 
-		    break;
-		  }
-	    }
-	}
+    next:;
     }
+
   /* Terminate the list of dependencies.  */
   l_initfini[nlist] = NULL;
   atomic_write_barrier ();
diff --git a/libc/elf/dl-fini.c b/libc/elf/dl-fini.c
index dfd55c9da..c8c9a52d6 100644
--- a/libc/elf/dl-fini.c
+++ b/libc/elf/dl-fini.c
@@ -1,5 +1,6 @@
 /* Call the termination functions of loaded shared objects.
-   Copyright (C) 1995,96,1998-2002,2004-2005,2009 Free Software Foundation, Inc.
+   Copyright (C) 1995,96,1998-2002,2004-2005,2009,2011
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -32,86 +33,84 @@ internal_function
 _dl_sort_fini (struct link_map *l, struct link_map **maps, size_t nmaps,
 	       char *used, Lmid_t ns)
 {
-  if (ns == LM_ID_BASE)
-    /* The main executable always comes first.  */
-    l = l->l_next;
-
-  for (; l != NULL; l = l->l_next)
-    /* Do not handle ld.so in secondary namespaces and object which
-       are not removed.  */
-    if (l == l->l_real && l->l_idx != -1)
-      {
-	/* Find the place in the 'maps' array.  */
-	unsigned int j;
-	for (j = ns == LM_ID_BASE ? 1 : 0; maps[j] != l; ++j)
-	  assert (j < nmaps);
-
-	/* Find all object for which the current one is a dependency
-	   and move the found object (if necessary) in front.  */
-	for (unsigned int k = j + 1; k < nmaps; ++k)
-	  {
-	    struct link_map **runp = maps[k]->l_initfini;
-	    if (runp != NULL)
-	      {
-		while (*runp != NULL)
-		  if (*runp == l)
+  /* We can skip looking for the binary itself which is at the front
+     of the search list for the main namespace.  */
+  assert (nmaps > 1);
+  unsigned int i = ns == LM_ID_BASE;
+  bool seen[nmaps];
+  memset (seen, false, nmaps * sizeof (seen[0]));
+  while (1)
+    {
+      /* Keep track of which object we looked at this round.  */
+      seen[i] = true;
+      struct link_map *thisp = maps[i];
+
+      /* Do not handle ld.so in secondary namespaces and object which
+	 are not removed.  */
+      if (thisp != thisp->l_real || thisp->l_idx == -1)
+	goto skip;
+
+      /* Find the last object in the list for which the current one is
+	 a dependency and move the current object behind the object
+	 with the dependency.  */
+      unsigned int k = nmaps - 1;
+      while (k > i)
+	{
+	  struct link_map **runp = maps[k]->l_initfini;
+	  if (runp != NULL)
+	    /* Look through the dependencies of the object.  */
+	    while (*runp != NULL)
+	      if (__builtin_expect (*runp++ == thisp, 0))
+		{
+		move:
+		  /* Move the current object to the back past the last
+		     object with it as the dependency.  */
+		  memmove (&maps[i], &maps[i + 1],
+			   (k - i) * sizeof (maps[0]));
+		  maps[k] = thisp;
+
+		  if (used != NULL)
 		    {
-		      struct link_map *here = maps[k];
+		      char here_used = used[i];
+		      memmove (&used[i], &used[i + 1],
+			       (k - i) * sizeof (used[0]));
+		      used[k] = here_used;
+		    }
 
-		      /* Move it now.  */
-		      memmove (&maps[j] + 1,
-			       &maps[j], (k - j) * sizeof (struct link_map *));
-		      maps[j] = here;
+		  if (seen[i + 1])
+		    {
+		      ++i;
+		      goto next_clear;
+		    }
 
-		      if (used != NULL)
-			{
-			  char here_used = used[k];
+		  memmove (&seen[i], &seen[i + 1], (k - i) * sizeof (seen[0]));
+		  seen[k] = true;
 
-			  memmove (&used[j] + 1,
-				   &used[j], (k - j) * sizeof (char));
-			  used[j] = here_used;
-			}
+		  goto next;
+		}
 
-		      ++j;
+	  if (__builtin_expect (maps[k]->l_reldeps != NULL, 0))
+	    {
+	      unsigned int m = maps[k]->l_reldeps->act;
+	      struct link_map **relmaps = &maps[k]->l_reldeps->list[0];
 
-		      break;
-		    }
-		  else
-		    ++runp;
-	      }
-
-	    if (__builtin_expect (maps[k]->l_reldeps != NULL, 0))
-	      {
-		unsigned int m = maps[k]->l_reldeps->act;
-		struct link_map **relmaps = &maps[k]->l_reldeps->list[0];
-
-		while (m-- > 0)
-		  {
-		    if (relmaps[m] == l)
-		      {
-			struct link_map *here = maps[k];
-
-			/* Move it now.  */
-			memmove (&maps[j] + 1,
-				 &maps[j],
-				 (k - j) * sizeof (struct link_map *));
-			maps[j] = here;
-
-			if (used != NULL)
-			  {
-			    char here_used = used[k];
-
-			    memmove (&used[j] + 1,
-				     &used[j], (k - j) * sizeof (char));
-			    used[j] = here_used;
-			  }
-
-			break;
-		      }
-		  }
-	      }
-	  }
-      }
+	    /* Look through the relocation dependencies of the object.  */
+	      while (m-- > 0)
+		if (__builtin_expect (relmaps[m] == thisp, 0))
+		  goto move;
+	    }
+
+	  --k;
+	}
+
+    skip:
+      if (++i == nmaps)
+	break;
+    next_clear:
+      memset (&seen[i], false, (nmaps - i) * sizeof (seen[0]));
+
+    next:;
+    }
 }
 
 
@@ -196,7 +195,7 @@ _dl_fini (void)
       assert (ns == LM_ID_BASE || i == nloaded || i == nloaded - 1);
       nmaps = i;
 
-      if (nmaps != 0)
+      if (nmaps > 1)
 	/* Now we have to do the sorting.  */
 	_dl_sort_fini (GL(dl_ns)[ns]._ns_loaded, maps, nmaps, NULL, ns);
 
diff --git a/libc/elf/dl-runtime.c b/libc/elf/dl-runtime.c
index 6847edafc..ae2d05c77 100644
--- a/libc/elf/dl-runtime.c
+++ b/libc/elf/dl-runtime.c
@@ -1,5 +1,5 @@
 /* On-demand PLT fixup for shared objects.
-   Copyright (C) 1995-2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 1995-2009, 2010, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -446,6 +446,7 @@ _dl_call_pltexit (struct link_map *l, ElfW(Word) reloc_arg,
 
   /* Set up the sym parameter.  */
   ElfW(Sym) sym = *defsym;
+  sym.st_value = DL_FIXUP_VALUE_ADDR (reloc_result->addr);
 
   /* Get the symbol name.  */
   const char *strtab = (const void *) D_PTR (reloc_result->bound,
diff --git a/libc/elf/tst-initorder.c b/libc/elf/tst-initorder.c
new file mode 100644
index 000000000..963838210
--- /dev/null
+++ b/libc/elf/tst-initorder.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int
+main( int argc, char *argv[] )
+{
+  printf( "main\n" );
+}
diff --git a/libc/elf/tst-initorder.exp b/libc/elf/tst-initorder.exp
new file mode 100644
index 000000000..8718f6576
--- /dev/null
+++ b/libc/elf/tst-initorder.exp
@@ -0,0 +1,13 @@
+start_a1
+start_a2
+start_b1
+start_b2
+start_a3
+start_a4
+main
+finish_a4
+finish_a3
+finish_b2
+finish_b1
+finish_a2
+finish_a1
diff --git a/libc/elf/tst-initordera1.c b/libc/elf/tst-initordera1.c
new file mode 100644
index 000000000..f16125714
--- /dev/null
+++ b/libc/elf/tst-initordera1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a1( void ) __attribute__((constructor));
+extern void finish_a1( void ) __attribute__((destructor));
+
+void
+start_a1( void )
+{
+  printf( "start_a1\n" );
+}
+
+void
+finish_a1( void )
+{
+  printf( "finish_a1\n" );
+}
diff --git a/libc/elf/tst-initordera2.c b/libc/elf/tst-initordera2.c
new file mode 100644
index 000000000..a5a9b42ff
--- /dev/null
+++ b/libc/elf/tst-initordera2.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a2( void ) __attribute__((constructor));
+extern void finish_a2( void ) __attribute__((destructor));
+
+void
+start_a2( void )
+{
+  printf( "start_a2\n" );
+}
+
+void
+finish_a2( void )
+{
+  printf( "finish_a2\n" );
+}
diff --git a/libc/elf/tst-initordera3.c b/libc/elf/tst-initordera3.c
new file mode 100644
index 000000000..1c7f496e9
--- /dev/null
+++ b/libc/elf/tst-initordera3.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a3( void ) __attribute__((constructor));
+extern void finish_a3( void ) __attribute__((destructor));
+
+void
+start_a3( void )
+{
+  printf( "start_a3\n" );
+}
+
+void
+finish_a3( void )
+{
+  printf( "finish_a3\n" );
+}
diff --git a/libc/elf/tst-initordera4.c b/libc/elf/tst-initordera4.c
new file mode 100644
index 000000000..70b9f5e39
--- /dev/null
+++ b/libc/elf/tst-initordera4.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a4( void ) __attribute__((constructor));
+extern void finish_a4( void ) __attribute__((destructor));
+
+void
+start_a4( void )
+{
+  printf( "start_a4\n" );
+}
+
+void
+finish_a4( void )
+{
+  printf( "finish_a4\n" );
+}
diff --git a/libc/elf/tst-initorderb1.c b/libc/elf/tst-initorderb1.c
new file mode 100644
index 000000000..993ea3fe3
--- /dev/null
+++ b/libc/elf/tst-initorderb1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_b1( void ) __attribute__((constructor));
+extern void finish_b1( void ) __attribute__((destructor));
+
+void
+start_b1( void )
+{
+  printf( "start_b1\n" );
+}
+
+void
+finish_b1( void )
+{
+  printf( "finish_b1\n" );
+}
diff --git a/libc/elf/tst-initorderb2.c b/libc/elf/tst-initorderb2.c
new file mode 100644
index 000000000..3334dda0a
--- /dev/null
+++ b/libc/elf/tst-initorderb2.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_b2( void ) __attribute__((constructor));
+extern void finish_b2( void ) __attribute__((destructor));
+
+void
+start_b2( void )
+{
+  printf( "start_b2\n" );
+}
+
+void
+finish_b2( void )
+{
+  printf( "finish_b2\n" );
+}
diff --git a/libc/elf/tst-order-a1.c b/libc/elf/tst-order-a1.c
new file mode 100644
index 000000000..f16125714
--- /dev/null
+++ b/libc/elf/tst-order-a1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a1( void ) __attribute__((constructor));
+extern void finish_a1( void ) __attribute__((destructor));
+
+void
+start_a1( void )
+{
+  printf( "start_a1\n" );
+}
+
+void
+finish_a1( void )
+{
+  printf( "finish_a1\n" );
+}
diff --git a/libc/elf/tst-order-a2.c b/libc/elf/tst-order-a2.c
new file mode 100644
index 000000000..a5a9b42ff
--- /dev/null
+++ b/libc/elf/tst-order-a2.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a2( void ) __attribute__((constructor));
+extern void finish_a2( void ) __attribute__((destructor));
+
+void
+start_a2( void )
+{
+  printf( "start_a2\n" );
+}
+
+void
+finish_a2( void )
+{
+  printf( "finish_a2\n" );
+}
diff --git a/libc/elf/tst-order-a3.c b/libc/elf/tst-order-a3.c
new file mode 100644
index 000000000..1c7f496e9
--- /dev/null
+++ b/libc/elf/tst-order-a3.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a3( void ) __attribute__((constructor));
+extern void finish_a3( void ) __attribute__((destructor));
+
+void
+start_a3( void )
+{
+  printf( "start_a3\n" );
+}
+
+void
+finish_a3( void )
+{
+  printf( "finish_a3\n" );
+}
diff --git a/libc/elf/tst-order-a4.c b/libc/elf/tst-order-a4.c
new file mode 100644
index 000000000..70b9f5e39
--- /dev/null
+++ b/libc/elf/tst-order-a4.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_a4( void ) __attribute__((constructor));
+extern void finish_a4( void ) __attribute__((destructor));
+
+void
+start_a4( void )
+{
+  printf( "start_a4\n" );
+}
+
+void
+finish_a4( void )
+{
+  printf( "finish_a4\n" );
+}
diff --git a/libc/elf/tst-order-b1.c b/libc/elf/tst-order-b1.c
new file mode 100644
index 000000000..993ea3fe3
--- /dev/null
+++ b/libc/elf/tst-order-b1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_b1( void ) __attribute__((constructor));
+extern void finish_b1( void ) __attribute__((destructor));
+
+void
+start_b1( void )
+{
+  printf( "start_b1\n" );
+}
+
+void
+finish_b1( void )
+{
+  printf( "finish_b1\n" );
+}
diff --git a/libc/elf/tst-order-b2.c b/libc/elf/tst-order-b2.c
new file mode 100644
index 000000000..3334dda0a
--- /dev/null
+++ b/libc/elf/tst-order-b2.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+extern void start_b2( void ) __attribute__((constructor));
+extern void finish_b2( void ) __attribute__((destructor));
+
+void
+start_b2( void )
+{
+  printf( "start_b2\n" );
+}
+
+void
+finish_b2( void )
+{
+  printf( "finish_b2\n" );
+}
diff --git a/libc/elf/tst-order-main.c b/libc/elf/tst-order-main.c
new file mode 100644
index 000000000..80f4f6be1
--- /dev/null
+++ b/libc/elf/tst-order-main.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+int
+main( int argc, char *argv[] )
+{
+  printf( "main\n" );
+  exit(EXIT_SUCCESS);
+}
diff --git a/libc/shadow/sgetspent.c b/libc/shadow/sgetspent.c
index ec7f384fa..f3dce53ea 100644
--- a/libc/shadow/sgetspent.c
+++ b/libc/shadow/sgetspent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -49,8 +49,8 @@ sgetspent (const char *string)
     }
 
   while (buffer != NULL
-	 && __sgetspent_r (string, &resbuf, buffer, buffer_size, &result) != 0
-	 && errno == ERANGE)
+	 && (__sgetspent_r (string, &resbuf, buffer, buffer_size, &result)
+	     == ERANGE))
     {
       char *new_buf;
       buffer_size += BUFLEN_SPWD;
diff --git a/libc/sysdeps/i386/configure b/libc/sysdeps/i386/configure
index 21225cd9c..adffe3f9a 100755
--- a/libc/sysdeps/i386/configure
+++ b/libc/sysdeps/i386/configure
@@ -1,3 +1,102 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
@@ -34,14 +133,249 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval "test \"\${$3+set}\"" = set; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval "test \"\${$3+set}\"" = set; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval "test \"\${$3+set}\"" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval "test \"\${$3+set}\"" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_compile
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/i386.
 
 
 
-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -52,7 +386,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in grep ggrep; do
+    for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
@@ -72,7 +406,7 @@ case `"$ac_path_GREP" --version 2>&1` in
     $as_echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_GREP="$ac_path_GREP"
@@ -87,26 +421,24 @@ esac
       $ac_path_GREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 $as_echo "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then
+if test "${ac_cv_path_EGREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -120,7 +452,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in egrep; do
+    for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
@@ -140,7 +472,7 @@ case `"$ac_path_EGREP" --version 2>&1` in
     $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_EGREP="$ac_path_EGREP"
@@ -155,12 +487,10 @@ esac
       $ac_path_EGREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -168,21 +498,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 $as_echo "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -197,48 +523,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -248,18 +549,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -269,14 +566,10 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -303,118 +596,33 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-ac_cv_header_stdc=no
+else
+  ac_cv_header_stdc=no
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 $as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_Header=no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -424,146 +632,18 @@ fi
 done
 
 
-if test "${ac_cv_header_cpuid_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for cpuid.h" >&5
-$as_echo_n "checking for cpuid.h... " >&6; }
-if test "${ac_cv_header_cpuid_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_cpuid_h" >&5
-$as_echo "$ac_cv_header_cpuid_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking cpuid.h usability" >&5
-$as_echo_n "checking cpuid.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <cpuid.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
+ac_fn_c_check_header_mongrel "$LINENO" "cpuid.h" "ac_cv_header_cpuid_h" "$ac_includes_default"
+if test "x$ac_cv_header_cpuid_h" = x""yes; then :
 
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking cpuid.h presence" >&5
-$as_echo_n "checking cpuid.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <cpuid.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
+  as_fn_error $? "gcc must provide the <cpuid.h> header" "$LINENO" 5
 fi
 
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: cpuid.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: cpuid.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: cpuid.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: cpuid.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: cpuid.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: cpuid.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: cpuid.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: cpuid.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: cpuid.h: in the future, the compiler will take precedence" >&2;}
 
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for cpuid.h" >&5
-$as_echo_n "checking for cpuid.h... " >&6; }
-if test "${ac_cv_header_cpuid_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_cpuid_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_cpuid_h" >&5
-$as_echo "$ac_cv_header_cpuid_h" >&6; }
 
-fi
-if test "x$ac_cv_header_cpuid_h" = x""yes; then
-  :
-else
-  { { $as_echo "$as_me:$LINENO: error: gcc must provide the <cpuid.h> header" >&5
-$as_echo "$as_me: error: gcc must provide the <cpuid.h> header" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-
-
-{ $as_echo "$as_me:$LINENO: checking if -g produces usable source locations for assembler-with-cpp" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -g produces usable source locations for assembler-with-cpp" >&5
 $as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
-if test "${libc_cv_cpp_asm_debuginfo+set}" = set; then
+if test "${libc_cv_cpp_asm_debuginfo+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.S <<EOF
@@ -584,19 +664,19 @@ foo:
 	nop
 EOF
 if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } && {
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; } && {
    ac_pattern='conftest\.S'
    { ac_try='readelf --debug-dump=line conftest.o |
 		   grep $ac_pattern 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
   }; then
   libc_cv_cpp_asm_debuginfo=yes
 else
@@ -604,80 +684,93 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_cpp_asm_debuginfo" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cpp_asm_debuginfo" >&5
 $as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
 if test $libc_cv_cpp_asm_debuginfo = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_CPP_ASM_DEBUGINFO 1
-_ACEOF
+  $as_echo "#define HAVE_CPP_ASM_DEBUGINFO 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for SSE4 support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
 $as_echo_n "checking for SSE4 support... " >&6; }
-if test "${libc_cv_cc_sse4+set}" = set; then
+if test "${libc_cv_cc_sse4+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if { ac_try='${CC-cc} -msse4 -xc /dev/null -S -o /dev/null'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   libc_cv_cc_sse4=yes
 else
   libc_cv_cc_sse4=no
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_cc_sse4" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse4" >&5
 $as_echo "$libc_cv_cc_sse4" >&6; }
 if test $libc_cv_cc_sse4 = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_SSE4_SUPPORT 1
-_ACEOF
+  $as_echo "#define HAVE_SSE4_SUPPORT 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for assembler -mtune=i686 support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler -mtune=i686 support" >&5
 $as_echo_n "checking for assembler -mtune=i686 support... " >&6; }
-if test "${libc_cv_as_i686+set}" = set; then
+if test "${libc_cv_as_i686+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if { ac_try='${CC-cc} -Wa,-mtune=i686 -xc /dev/null -S -o /dev/null'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   libc_cv_as_i686=yes
 else
   libc_cv_as_i686=no
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_as_i686" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_i686" >&5
 $as_echo "$libc_cv_as_i686" >&6; }
 
-{ $as_echo "$as_me:$LINENO: checking for AVX support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX support" >&5
 $as_echo_n "checking for AVX support... " >&6; }
-if test "${libc_cv_cc_avx+set}" = set; then
+if test "${libc_cv_cc_avx+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   libc_cv_cc_avx=yes
 else
   libc_cv_cc_avx=no
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_cc_avx" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx" >&5
 $as_echo "$libc_cv_cc_avx" >&6; }
 if test $libc_cv_cc_avx = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_AVX_SUPPORT 1
-_ACEOF
+  $as_echo "#define HAVE_AVX_SUPPORT 1" >>confdefs.h
 
 fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
+$as_echo_n "checking for -mno-vzeroupper support... " >&6; }
+if test "${libc_cv_cc_novzeroupper+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if { ac_try='${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+  libc_cv_cc_novzeroupper=yes
+else
+  libc_cv_cc_novzeroupper=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
+$as_echo "$libc_cv_cc_novzeroupper" >&6; }
diff --git a/libc/sysdeps/i386/configure.in b/libc/sysdeps/i386/configure.in
index d8dd648f8..67fd1d7df 100644
--- a/libc/sysdeps/i386/configure.in
+++ b/libc/sysdeps/i386/configure.in
@@ -66,3 +66,11 @@ fi])
 if test $libc_cv_cc_avx = yes; then
   AC_DEFINE(HAVE_AVX_SUPPORT)
 fi
+
+dnl Check if -mno-vzeroupper works.
+AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
+if AC_TRY_COMMAND([${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null]); then
+  libc_cv_cc_novzeroupper=yes
+else
+  libc_cv_cc_novzeroupper=no
+fi])
diff --git a/libc/version.h b/libc/version.h
index 7cc6162c1..b6f9fcc4b 100644
--- a/libc/version.h
+++ b/libc/version.h
@@ -1,4 +1,4 @@
 /* This file just defines the current version number of libc.  */
 
-#define RELEASE "stable"
-#define VERSION "2.13"
+#define RELEASE "development"
+#define VERSION "2.13.90"
diff --git a/ports/ChangeLog b/ports/ChangeLog
index 361838721..e42182fda 100644
--- a/ports/ChangeLog
+++ b/ports/ChangeLog
@@ -1,23 +1,3 @@
-2010-09-03  Luis Machado  <luisgpm@br.ibm.com>
-
-	* sysdeps/powerpc/dl-procinfo.c: New file.
-	* sysdeps/powerpc/dl-procinfo.h: New file.
-	* sysdeps/powerpc/powerpc32/405/memcmp.S: New file.
-	* sysdeps/powerpc/powerpc32/405/memcpy.S: New file.
-	* sysdeps/powerpc/powerpc32/405/memset.S: New file.
-	* sysdeps/powerpc/powerpc32/405/strcmp.S: New file.
-	* sysdeps/powerpc/powerpc32/405/strcpy.S: New file.
-	* sysdeps/powerpc/powerpc32/405/strlen.S: New file.
-	* sysdeps/powerpc/powerpc32/405/strncmp.S: New file.
-	* sysdeps/powerpc/powerpc32/440/Implies: New file.
-	* sysdeps/powerpc/powerpc32/464/Implies: New file.
-	* sysdeps/powerpc/powerpc32/476/Implies: New file.
-	* sysdeps/powerpc/powerpc32/Makefile: New file.
-	* sysdeps/unix/sysv/linux/powerpc/powerpc32/405/Implies: New file.
-	* sysdeps/unix/sysv/linux/powerpc/powerpc32/440/Implies: New file.
-	* sysdeps/unix/sysv/linux/powerpc/powerpc32/464/Implies: New file.
-	* sysdeps/unix/sysv/linux/powerpc/powerpc32/476/Implies: New file.
-
 2010-04-14  Joseph Myers  <joseph@codesourcery.com>
 
 	* libc-abis: Remove.
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 8951801aa..8ea3b9e34 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,8 @@
+2011-01-25  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/arm/bits/mman.h (MADV_HUGEPAGE,
+	MADV_NOHUGEPAGE): Define.
+
 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/arm/eabi/fclrexcpt.c (__feclearexcept): Return zero if
diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index 0d933f390..0c2285f13 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,3 +1,13 @@
+2011-01-25  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/mips/bits/mman.h (MADV_HUGEPAGE,
+	MADV_NOHUGEPAGE): Define.
+
+2011-01-25  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/mips/bits/socket.h (AF_CAIF, AF_ALG,
+	PF_CAIF, PF_ALG): Define.
+
 2010-12-30  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/mips/init-first.c: Don't call __libc_global_ctors if
diff --git a/ports/ChangeLog.powerpc b/ports/ChangeLog.powerpc
index d8989b0b3..36a88d69d 100644
--- a/ports/ChangeLog.powerpc
+++ b/ports/ChangeLog.powerpc
@@ -1,3 +1,23 @@
+2010-09-03  Luis Machado  <luisgpm@br.ibm.com>
+
+	* sysdeps/powerpc/dl-procinfo.c: New file.
+	* sysdeps/powerpc/dl-procinfo.h: New file.
+	* sysdeps/powerpc/powerpc32/405/memcmp.S: New file.
+	* sysdeps/powerpc/powerpc32/405/memcpy.S: New file.
+	* sysdeps/powerpc/powerpc32/405/memset.S: New file.
+	* sysdeps/powerpc/powerpc32/405/strcmp.S: New file.
+	* sysdeps/powerpc/powerpc32/405/strcpy.S: New file.
+	* sysdeps/powerpc/powerpc32/405/strlen.S: New file.
+	* sysdeps/powerpc/powerpc32/405/strncmp.S: New file.
+	* sysdeps/powerpc/powerpc32/440/Implies: New file.
+	* sysdeps/powerpc/powerpc32/464/Implies: New file.
+	* sysdeps/powerpc/powerpc32/476/Implies: New file.
+	* sysdeps/powerpc/powerpc32/Makefile: New file.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/405/Implies: New file.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/440/Implies: New file.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/464/Implies: New file.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/476/Implies: New file.
+
 2010-10-11  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/powerpc/nofpu/feupdateenv.c (feupdateenv): Add
diff --git a/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h b/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
index 0240aed8a..058c7a0fb 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
+++ b/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/ARM version.
-   Copyright (C) 1997, 2000, 2003, 2005, 2006, 2009
+   Copyright (C) 1997, 2000, 2003, 2005, 2006, 2009, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -94,6 +94,8 @@
 # define MADV_DOFORK	  11	/* Do inherit across fork.  */
 # define MADV_MERGEABLE	  12	/* KSM may merge identical pages.  */
 # define MADV_UNMERGEABLE 13	/* KSM may not merge identical pages.  */
+# define MADV_HUGEPAGE	  14	/* Worth backing with hugepages.  */
+# define MADV_NOHUGEPAGE  15	/* Not worth backing with hugepages.  */
 # define MADV_HWPOISON	  100	/* Poison a page for testing.  */
 #endif
 
diff --git a/ports/sysdeps/unix/sysv/linux/mips/bits/mman.h b/ports/sysdeps/unix/sysv/linux/mips/bits/mman.h
index f639e0464..097cb8f15 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/bits/mman.h
+++ b/ports/sysdeps/unix/sysv/linux/mips/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997, 2000, 2003, 2004, 2005, 2006, 2009
+   Copyright (C) 1997, 2000, 2003, 2004, 2005, 2006, 2009, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -96,6 +96,8 @@
 # define MADV_DOFORK	  11	/* Do inherit across fork.  */
 # define MADV_MERGEABLE	  12	/* KSM may merge identical pages.  */
 # define MADV_UNMERGEABLE 13	/* KSM may not merge identical pages.  */
+# define MADV_HUGEPAGE	  14	/* Worth backing with hugepages.  */
+# define MADV_NOHUGEPAGE  15	/* Not worth backing with hugepages.  */
 # define MADV_HWPOISON	  100	/* Poison a page for testing.  */
 #endif
 
diff --git a/ports/sysdeps/unix/sysv/linux/mips/bits/socket.h b/ports/sysdeps/unix/sysv/linux/mips/bits/socket.h
index 9f90216c9..91af8b2f8 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/bits/socket.h
+++ b/ports/sysdeps/unix/sysv/linux/mips/bits/socket.h
@@ -1,6 +1,6 @@
 /* System-specific socket constants and types.  Linux/MIPS version.
    Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006, 2007, 2008,
-   2009, 2010 Free Software Foundation, Inc.
+   2009, 2010, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -109,7 +109,9 @@ enum __socket_type
 #define PF_ISDN		34	/* mISDN sockets.  */
 #define PF_PHONET	35	/* Phonet sockets.  */
 #define PF_IEEE802154	36	/* IEEE 802.15.4 sockets.  */
-#define	PF_MAX		37	/* For now..  */
+#define PF_CAIF		37	/* CAIF sockets.  */
+#define PF_ALG		38	/* Algorithm sockets.  */
+#define	PF_MAX		39	/* For now..  */
 
 /* Address families.  */
 #define	AF_UNSPEC	PF_UNSPEC
@@ -150,6 +152,8 @@ enum __socket_type
 #define AF_ISDN		PF_ISDN
 #define AF_PHONET	PF_PHONET
 #define AF_IEEE802154	PF_IEEE802154
+#define AF_CAIF		PF_CAIF
+#define AF_ALG		PF_ALG
 #define	AF_MAX		PF_MAX
 
 /* Socket level values.  Others are defined in the appropriate headers.