Update.

2003-07-03  Ulrich Drepper  <drepper@redhat.com>

	* configure.in: Also check for .cfi_rel_offset pseudo-op.

6 files changed, 157 insertions, 389 deletions

diff --git a/ChangeLog b/ChangeLog
index ed3a53667c..13bceac711 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-03  Ulrich Drepper  <drepper@redhat.com>
+
+	* configure.in: Also check for .cfi_rel_offset pseudo-op.
+
 2003-07-03  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/prof-freq.c (__profile_frequency): Fix a
diff --git a/configure b/configure
index 56836e9d88..2087db5046 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.in CVSid.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.57 for GNU C Library (see version.h).
+# Generated by GNU Autoconf 2.54 for GNU C Library (see version.h).
 #
 # Report bugs to <glibc>.
 #
@@ -39,10 +39,7 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
+for as_var in LANG LANGUAGE LC_ALL LC_COLLATE LC_CTYPE LC_NUMERIC LC_MESSAGES LC_TIME
 do
   if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
@@ -88,15 +85,15 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+  echo "#! /bin/sh" >conftest.sh
+  echo  "exit 0"   >>conftest.sh
+  chmod +x conftest.sh
+  if (PATH="/nonexistent;."; conftest.sh) >/dev/null 2>&1; then
     PATH_SEPARATOR=';'
   else
     PATH_SEPARATOR=:
   fi
-  rm -f conf$$.sh
+  rm -f conftest.sh
 fi
 
 
@@ -979,7 +976,7 @@ test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
 GNU C Library configure (see version.h)
-generated by GNU Autoconf 2.57
+generated by GNU Autoconf 2.54
 
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
 Free Software Foundation, Inc.
@@ -994,7 +991,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by GNU C Library $as_me (see version.h), which was
-generated by GNU Autoconf 2.57.  Invocation command line was
+generated by GNU Autoconf 2.54.  Invocation command line was
 
   $ $0 $@
 
@@ -1046,54 +1043,24 @@ _ACEOF
 
 # Keep a trace of the command line.
 # Strip out --no-create and --no-recursion so they do not pile up.
-# Strip out --silent because we don't want to record it for future runs.
 # Also quote any args containing shell meta-characters.
-# Make two passes to allow for proper duplicate-argument suppression.
 ac_configure_args=
-ac_configure_args0=
-ac_configure_args1=
 ac_sep=
-ac_must_keep_next=false
-for ac_pass in 1 2
+for ac_arg
 do
-  for ac_arg
-  do
-    case $ac_arg in
-    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
-    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
-    | -silent | --silent | --silen | --sile | --sil)
-      continue ;;
-    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    esac
-    case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
-    2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
-      if test $ac_must_keep_next = true; then
-        ac_must_keep_next=false # Got value, back to normal.
-      else
-        case $ac_arg in
-          *=* | --config-cache | -C | -disable-* | --disable-* \
-          | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
-          | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
-          | -with-* | --with-* | -without-* | --without-* | --x)
-            case "$ac_configure_args0 " in
-              "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
-            esac
-            ;;
-          -* ) ac_must_keep_next=true ;;
-        esac
-      fi
-      ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
-      # Get rid of the leading space.
-      ac_sep=" "
-      ;;
-    esac
-  done
+  case $ac_arg in
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n ) continue ;;
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    continue ;;
+  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
+    ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+  # Get rid of the leading space.
+  ac_sep=" "
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -2525,10 +2492,8 @@ fi
 fi
 
 
-test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH" >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH" >&2;}
    { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
@@ -2559,11 +2524,7 @@ if test "${ac_cv_objext+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -2588,12 +2549,9 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
 done
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
+cat conftest.$ac_ext >&5
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile" >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
@@ -2610,11 +2568,7 @@ if test "${ac_cv_c_compiler_gnu+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -2642,8 +2596,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_compiler_gnu=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -2663,11 +2616,7 @@ if test "${ac_cv_prog_cc_g+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -2692,8 +2641,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_cv_prog_cc_g=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_cv_prog_cc_g=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -2724,11 +2672,7 @@ else
 ac_save_CC=$CC
 cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
@@ -2791,8 +2735,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
 break
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 fi
 rm -f conftest.$ac_objext
 done
@@ -2843,11 +2786,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
 do
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
 int
@@ -2873,18 +2812,13 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   :
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 continue
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_declaration
 int
 main ()
@@ -2909,8 +2843,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   break
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 done
@@ -2923,8 +2856,7 @@ fi
 
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
@@ -2999,22 +2931,12 @@ for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include "confdefs.h"
+#include <assert.h>
                      Syntax error
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3037,8 +2959,7 @@ if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  cat conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
@@ -3048,11 +2969,7 @@ rm -f conftest.err conftest.$ac_ext
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3076,8 +2993,7 @@ if test -z "$ac_cpp_err"; then
 continue
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  cat conftest.$ac_ext >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -3106,22 +3022,12 @@ for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include "confdefs.h"
+#include <assert.h>
                      Syntax error
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3144,8 +3050,7 @@ if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  cat conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
@@ -3155,11 +3060,7 @@ rm -f conftest.err conftest.$ac_ext
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3183,8 +3084,7 @@ if test -z "$ac_cpp_err"; then
 continue
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  cat conftest.$ac_ext >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -3197,10 +3097,8 @@ rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then
   :
 else
-  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check" >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
@@ -3331,11 +3229,7 @@ if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -3363,8 +3257,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_compiler_gnu=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3384,11 +3277,7 @@ if test "${ac_cv_prog_cxx_g+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -3413,8 +3302,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_cv_prog_cxx_g=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_cv_prog_cxx_g=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3447,11 +3335,7 @@ for ac_declaration in \
 do
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
 int
@@ -3477,18 +3361,13 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   :
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 continue
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_declaration
 int
 main ()
@@ -3513,8 +3392,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   break
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 done
@@ -4662,11 +4540,7 @@ if test "${libc_cv_friendly_stddef+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #define __need_size_t
 #define __need_wchar_t
 #include <stddef.h>
@@ -4699,8 +4573,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   libc_cv_friendly_stddef=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_friendly_stddef=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -5436,11 +5309,7 @@ if test "${libc_cv_have_initfini+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 int
 main ()
@@ -5467,8 +5336,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   libc_cv_have_initfini=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_have_initfini=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -5528,11 +5396,7 @@ if test "${libc_cv_asm_underscores+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 asm ("_glibc_foobar:");
 int
 main ()
@@ -5557,8 +5421,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   libc_cv_asm_underscores=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_asm_underscores=no
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
@@ -5737,6 +5600,7 @@ else
 func:
         .cfi_startproc
 	.cfi_remember_state
+	.cfi_rel_offset 1, 0
         .cfi_endproc
 EOF
 if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
@@ -5881,11 +5745,7 @@ if test "${libc_cv_c_asmcr0_bug+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 int tester(int x) { asm ("" : : : "cc"); return x & 123; }
 int
 main ()
@@ -5910,8 +5770,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   libc_cv_c_asmcr0_bug='no'
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_c_asmcr0_bug='yes'
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -6239,11 +6098,7 @@ if test "$with_gd" != "no"; then
   LIBS="$LIBS -lgd -lpng -lz -lm"
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <gd.h>
 int
 main ()
@@ -6268,8 +6123,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   LIBGD=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 LIBGD=no
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
@@ -6306,54 +6160,43 @@ if test "${ac_cv_header_stdc+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
 #include <float.h>
 
-int
-main ()
-{
-
-  ;
-  return 0;
-}
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   ac_cv_header_stdc=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_header_stdc=no
+  cat conftest.$ac_ext >&5
+  ac_cv_header_stdc=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err 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
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <string.h>
 
 _ACEOF
@@ -6371,11 +6214,7 @@ 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
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <stdlib.h>
 
 _ACEOF
@@ -6396,18 +6235,13 @@ if test $ac_cv_header_stdc = yes; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <ctype.h>
 #if ((' ' & 0x0FF) == 0x020)
 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 #else
-# define ISLOWER(c) \
-                   (('a' <= (c) && (c) <= 'i') \
+# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
                      || ('j' <= (c) && (c) <= 'r') \
                      || ('s' <= (c) && (c) <= 'z'))
 # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
@@ -6440,8 +6274,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ( exit $ac_status )
 ac_cv_header_stdc=no
 fi
@@ -6480,11 +6313,7 @@ if eval "test \"\${$as_ac_Header+set}\" = set"; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 
 #include <$ac_header>
@@ -6504,8 +6333,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 eval "$as_ac_Header=no"
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -6529,11 +6357,7 @@ if test "${ac_cv_type_long_double+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6561,8 +6385,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_cv_type_long_double=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_cv_type_long_double=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -6584,11 +6407,7 @@ else
   # Depending upon the size, compute the lo and hi bounds.
 cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6616,11 +6435,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   while :; do
     cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6647,8 +6462,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_hi=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_lo=`expr $ac_mid + 1`
                     if test $ac_lo -le $ac_mid; then
                       ac_lo= ac_hi=
@@ -6660,15 +6474,10 @@ rm -f conftest.$ac_objext conftest.$ac_ext
   done
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6696,11 +6505,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   while :; do
     cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6727,8 +6532,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_lo=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_hi=`expr '(' $ac_mid ')' - 1`
                        if test $ac_mid -le $ac_hi; then
                          ac_lo= ac_hi=
@@ -6740,8 +6544,7 @@ rm -f conftest.$ac_objext conftest.$ac_ext
   done
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_lo= ac_hi=
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -6752,11 +6555,7 @@ while test "x$ac_lo" != "x$ac_hi"; do
   ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 int
 main ()
@@ -6783,35 +6582,26 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_hi=$ac_mid
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ac_lo=`expr '(' $ac_mid ')' + 1`
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 done
 case $ac_lo in
 ?*) ac_cv_sizeof_long_double=$ac_lo;;
-'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (long double), 77
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (long double), 77
-See \`config.log' for more details." >&2;}
+'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (long double), 77" >&5
+echo "$as_me: error: cannot compute sizeof (long double), 77" >&2;}
    { (exit 1); exit 1; }; } ;;
 esac
 else
   if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
+  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling" >&5
+echo "$as_me: error: cannot run test program while cross compiling" >&2;}
    { (exit 1); exit 1; }; }
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 $ac_includes_default
 long longval () { return (long) (sizeof (long double)); }
 unsigned long ulongval () { return (long) (sizeof (long double)); }
@@ -6859,13 +6649,10 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 ( exit $ac_status )
-{ { echo "$as_me:$LINENO: error: cannot compute sizeof (long double), 77
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (long double), 77
-See \`config.log' for more details." >&2;}
+{ { echo "$as_me:$LINENO: error: cannot compute sizeof (long double), 77" >&5
+echo "$as_me: error: cannot compute sizeof (long double), 77" >&2;}
    { (exit 1); exit 1; }; }
 fi
 rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
@@ -7164,7 +6951,7 @@ _ACEOF
      t end
      /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
      : end' >>confcache
-if diff $cache_file confcache >/dev/null 2>&1; then :; else
+if cmp -s $cache_file confcache; then :; else
   if test -w $cache_file; then
     test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
     cat confcache >$cache_file
@@ -7224,8 +7011,6 @@ cat >$CONFIG_STATUS <<_ACEOF
 # configure, is in config.log if it exists.
 
 debug=false
-ac_cs_recheck=false
-ac_cs_silent=false
 SHELL=\${CONFIG_SHELL-$SHELL}
 _ACEOF
 
@@ -7260,10 +7045,7 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
+for as_var in LANG LANGUAGE LC_ALL LC_COLLATE LC_CTYPE LC_NUMERIC LC_MESSAGES LC_TIME
 do
   if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
@@ -7309,15 +7091,15 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+  echo "#! /bin/sh" >conftest.sh
+  echo  "exit 0"   >>conftest.sh
+  chmod +x conftest.sh
+  if (PATH="/nonexistent;."; conftest.sh) >/dev/null 2>&1; then
     PATH_SEPARATOR=';'
   else
     PATH_SEPARATOR=:
   fi
-  rm -f conf$$.sh
+  rm -f conftest.sh
 fi
 
 
@@ -7480,7 +7262,7 @@ _ASBOX
 cat >&5 <<_CSEOF
 
 This file was extended by GNU C Library $as_me (see version.h), which was
-generated by GNU Autoconf 2.57.  Invocation command line was
+generated by GNU Autoconf 2.54.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7520,7 +7302,6 @@ Usage: $0 [OPTIONS] [FILE]...
 
   -h, --help       print this help, then exit
   -V, --version    print version number, then exit
-  -q, --quiet      do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
   --file=FILE[:TEMPLATE]
@@ -7543,7 +7324,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 GNU C Library config.status (see version.h)
-configured by $0, generated by GNU Autoconf 2.57,
+configured by $0, generated by GNU Autoconf 2.54,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
@@ -7580,9 +7361,12 @@ do
   case $ac_option in
   # Handling of the options.
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
-    ac_cs_recheck=: ;;
+    echo "running $SHELL $0 " $ac_configure_args " --no-create --no-recursion"
+    exec $SHELL $0 $ac_configure_args --no-create --no-recursion ;;
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
   --version | --vers* | -V )
     echo "$ac_cs_version"; exit 0 ;;
   --he | --h)
@@ -7604,9 +7388,6 @@ Try \`$0 --help' for more information." >&2;}
     $ac_shift
     CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
     ac_need_defaults=false;;
-  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
-  | -silent | --silent | --silen | --sile | --sil | --si | --s)
-    ac_cs_silent=: ;;
 
   # This is an error.
   -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
@@ -7621,20 +7402,6 @@ Try \`$0 --help' for more information." >&2;}
   shift
 done
 
-ac_configure_extra_args=
-
-if $ac_cs_silent; then
-  exec 6>/dev/null
-  ac_configure_extra_args="$ac_configure_extra_args --silent"
-fi
-
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
-if \$ac_cs_recheck; then
-  echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-  exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
-fi
-
 _ACEOF
 
 cat >>$CONFIG_STATUS <<_ACEOF
@@ -7675,9 +7442,6 @@ if $ac_need_defaults; then
   test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
 fi
 
-# Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason to put it here, and in addition,
-# creating and moving files from /tmp can sometimes cause problems.
 # Create a temporary directory, and hook for its removal unless debugging.
 $debug ||
 {
@@ -7686,17 +7450,17 @@ $debug ||
 }
 
 # Create a (secure) tmp directory for tmp files.
-
+: ${TMPDIR=/tmp}
 {
-  tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
+  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/csXXXXXX") 2>/dev/null` &&
   test -n "$tmp" && test -d "$tmp"
 }  ||
 {
-  tmp=./confstat$$-$RANDOM
+  tmp=$TMPDIR/cs$$-$RANDOM
   (umask 077 && mkdir $tmp)
 } ||
 {
-   echo "$me: cannot create a temporary directory in ." >&2
+   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
    { (exit 1); exit 1; }
 }
 
@@ -8226,7 +7990,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF
   cat $tmp/in >>$tmp/config.h
   rm -f $tmp/in
   if test x"$ac_file" != x-; then
-    if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
+    if cmp -s $ac_file $tmp/config.h 2>/dev/null; then
       { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
 echo "$as_me: $ac_file is unchanged" >&6;}
     else
@@ -8359,11 +8123,8 @@ ac_clean_files=$ac_clean_files_save
 # need to make the FD available again.
 if test "$no_create" != yes; then
   ac_cs_success=:
-  ac_config_status_args=
-  test "$silent" = yes &&
-    ac_config_status_args="$ac_config_status_args --quiet"
   exec 5>/dev/null
-  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  $SHELL $CONFIG_STATUS || ac_cs_success=false
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
diff --git a/configure.in b/configure.in
index e30c7ba4db..91d903f591 100644
--- a/configure.in
+++ b/configure.in
@@ -1530,6 +1530,7 @@ cat > conftest.s <<EOF
 func:
         .cfi_startproc
 	.cfi_remember_state
+	.cfi_rel_offset 1, 0
         .cfi_endproc
 EOF
 if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 0b016b095f..b80879e54e 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,7 @@
 2003-07-03  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/pthread/configure.in: Require CFI directives.
+
 	* sysdeps/pthread/librt-cancellation.c (__pthread_unwind): Remove
 	definition.
 	* pthreadP.h (__pthread_unwind): Add hidden_proto if used in
diff --git a/nptl/sysdeps/pthread/configure b/nptl/sysdeps/pthread/configure
index f0c3da139d..39182cbb6c 100755
--- a/nptl/sysdeps/pthread/configure
+++ b/nptl/sysdeps/pthread/configure
@@ -6,6 +6,12 @@ echo "$as_me: error: compiler support for __thread is required" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
+if test "x$libc_cv_asm_cfi_directives" != xyes; then
+  { { echo "$as_me:$LINENO: error: CFI directive support in assembler is required" >&5
+echo "$as_me: error: CFI directive support in assembler is required" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 
 echo "$as_me:$LINENO: checking for forced unwind support" >&5
 echo $ECHO_N "checking for forced unwind support... $ECHO_C" >&6
@@ -14,11 +20,7 @@ if test "${libc_cv_forced_unwind+set}" = set; then
 else
   cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 #include <unwind.h>
 int
 main ()
@@ -46,8 +48,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   libc_cv_forced_unwind=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_forced_unwind=no
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
@@ -68,11 +69,7 @@ if test "${libc_cv_c_cleanup+set}" = set; then
 else
     cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+#include "confdefs.h"
 
 #include <stdio.h>
 void cl (void *a) { }
@@ -102,8 +99,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   libc_cv_c_cleanup=yes
 else
   echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+cat conftest.$ac_ext >&5
 libc_cv_c_cleanup=no
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
diff --git a/nptl/sysdeps/pthread/configure.in b/nptl/sysdeps/pthread/configure.in
index 922741e723..e0fb10b67c 100644
--- a/nptl/sysdeps/pthread/configure.in
+++ b/nptl/sysdeps/pthread/configure.in
@@ -5,6 +5,10 @@ if test "x$libc_cv_gcc___thread" != xyes; then
   AC_MSG_ERROR(compiler support for __thread is required)
 fi
 
+if test "x$libc_cv_asm_cfi_directives" != xyes; then
+  AC_MSG_ERROR(CFI directive support in assembler is required)
+fi
+
 dnl Iff <unwind.h> is available, make sure it is the right one and it
 dnl contains struct _Unwind_Exception.
 AC_CACHE_CHECK(dnl