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Regenerate sysdeps/mach/configure


When I tried regenerating all configure scripts in libc with autoconf
2.68 (the version used for the toplevel script; problems can arise if
the fragments use a different version from the main script) I got the
following diffs (plus the addition of trailing blank lines in
sysdeps/i386/configure, sysdeps/s390/s390-32/configure,
sysdeps/s390/s390-64/configure, sysdeps/sh/configure - but the
repository has a hook disallowing commit of such trailing blank lines
so forcing people to edit the generated files manually before commit).
Carlos, is this OK for master?  Do you get the same diffs?

2012-06-21  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/mach/configure: Regenerated.

diff --git a/sysdeps/mach/configure b/sysdeps/mach/configure
index 32763eb..b41449e 100644
--- a/sysdeps/mach/configure
+++ b/sysdeps/mach/configure
@@ -1,11 +1,176 @@
+
+# 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
+}
+
+
+# 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 $ac_status = 0; } > conftest.i && {
+	 test -z "$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; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_check_header_preproc LINENO HEADER VAR
+# ----------------------------------------------
+# Tests whether HEADER is present, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_preproc ()
+{
+  as_lineno=${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 \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f conftest.err conftest.i conftest.$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; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_preproc
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}mig", so it can be a program name with args.
 set dummy ${ac_tool_prefix}mig; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_MIG+set}" = set; then
+if ${ac_cv_prog_MIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$MIG"; then
@@ -16,24 +181,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_MIG="${ac_tool_prefix}mig"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 MIG=$ac_cv_prog_MIG
 if test -n "$MIG"; then
-  { $as_echo "$as_me:$LINENO: result: $MIG" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MIG" >&5
 $as_echo "$MIG" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -43,9 +208,9 @@ if test -z "$ac_cv_prog_MIG"; then
   ac_ct_MIG=$MIG
   # Extract the first word of "mig", so it can be a program name with args.
 set dummy mig; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_MIG+set}" = set; then
+if ${ac_cv_prog_ac_ct_MIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_MIG"; then
@@ -56,24 +221,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_MIG="mig"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_MIG=$ac_cv_prog_ac_ct_MIG
 if test -n "$ac_ct_MIG"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_MIG" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MIG" >&5
 $as_echo "$ac_ct_MIG" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -82,7 +247,7 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -93,129 +258,75 @@ else
 fi
 
 if test "x$MIG" = xMISSING; then
-  { { $as_echo "$as_me:$LINENO: error: cannot find required build tool mig" >&5
-$as_echo "$as_me: error: cannot find required build tool mig" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find required build tool mig" "$LINENO" 5
 fi
 
 ### Sanity checks for Mach header installation
 
 
-{ $as_echo "$as_me:$LINENO: checking for mach/mach_types.h" >&5
-$as_echo_n "checking for mach/mach_types.h... " >&6; }
-if test "${ac_cv_header_mach_mach_types_h+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.  */
-#include <mach/mach_types.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_cv_header_mach_mach_types_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+ac_fn_c_check_header_preproc "$LINENO" "mach/mach_types.h" "ac_cv_header_mach_mach_types_h"
+if test "x$ac_cv_header_mach_mach_types_h" = xyes; then :
 
-  ac_cv_header_mach_mach_types_h=no
+else
+  as_fn_error $? "cannot find Mach headers" "$LINENO" 5
 fi
 
-rm -f conftest.err conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_mach_mach_types_h" >&5
-$as_echo "$ac_cv_header_mach_mach_types_h" >&6; }
-if test "x$ac_cv_header_mach_mach_types_h" = x""yes; then
-  :
+
+ac_fn_c_check_header_preproc "$LINENO" "mach/mach_types.defs" "ac_cv_header_mach_mach_types_defs"
+if test "x$ac_cv_header_mach_mach_types_defs" = xyes; then :
+
 else
-  { { $as_echo "$as_me:$LINENO: error: cannot find Mach headers" >&5
-$as_echo "$as_me: error: cannot find Mach headers" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find Mach .defs files" "$LINENO" 5
 fi
 
 
-{ $as_echo "$as_me:$LINENO: checking for mach/mach_types.defs" >&5
-$as_echo_n "checking for mach/mach_types.defs... " >&6; }
-if test "${ac_cv_header_mach_mach_types_defs+set}" = set; then
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for task_t in mach/mach_types.h" >&5
+$as_echo_n "checking for task_t in mach/mach_types.h... " >&6; }
+if ${libc_cv_mach_task_t+:} false; 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.  */
-#include <mach/mach_types.defs>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
+
+# 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:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
   ac_status=$?
-  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" ||
+  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
-       }; then
-  ac_cv_header_mach_mach_types_defs=yes
+       } && 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_cv_header_mach_mach_types_defs=no
-fi
-
-rm -f conftest.err conftest.$ac_ext
+	ac_retval=1
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_mach_mach_types_defs" >&5
-$as_echo "$ac_cv_header_mach_mach_types_defs" >&6; }
-if test "x$ac_cv_header_mach_mach_types_defs" = x""yes; then
-  :
-else
-  { { $as_echo "$as_me:$LINENO: error: cannot find Mach .defs files" >&5
-$as_echo "$as_me: error: cannot find Mach .defs files" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
 
-
-
-
-{ $as_echo "$as_me:$LINENO: checking for task_t in mach/mach_types.h" >&5
-$as_echo_n "checking for task_t in mach/mach_types.h... " >&6; }
-if test "${libc_cv_mach_task_t+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
+} # ac_fn_c_try_compile
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <mach/mach_types.h>
 int
@@ -226,49 +337,24 @@ extern task_t foo;
   return 0;
 }
 _ACEOF
-rm -f conftest.$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 :
   libc_cv_mach_task_t=task_t
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mach_task_t=task_port_t
+  libc_cv_mach_task_t=task_port_t
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_task_t" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_task_t" >&5
 $as_echo "$libc_cv_mach_task_t" >&6; }
 if test $libc_cv_mach_task_t != task_t; then
   DEFINES="$DEFINES -Dtask_t=task_port_t"
 fi
-{ $as_echo "$as_me:$LINENO: checking for thread_t in mach/mach_types.h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for thread_t in mach/mach_types.h" >&5
 $as_echo_n "checking for thread_t in mach/mach_types.h... " >&6; }
-if test "${libc_cv_mach_thread_t+set}" = set; then
+if ${libc_cv_mach_thread_t+:} false; 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.$ac_ext
 /* end confdefs.h.  */
 #include <mach/mach_types.h>
 int
@@ -279,50 +365,25 @@ extern thread_t foo;
   return 0;
 }
 _ACEOF
-rm -f conftest.$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 :
   libc_cv_mach_thread_t=thread_t
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mach_thread_t=thread_port_t
+  libc_cv_mach_thread_t=thread_port_t
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_thread_t" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_thread_t" >&5
 $as_echo "$libc_cv_mach_thread_t" >&6; }
 if test $libc_cv_mach_thread_t != thread_t; then
   DEFINES="$DEFINES -Dthread_t=thread_port_t"
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for creation_time in task_basic_info" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for creation_time in task_basic_info" >&5
 $as_echo_n "checking for creation_time in task_basic_info... " >&6; }
-if test "${libc_cv_mach_task_creation_time+set}" = set; then
+if ${libc_cv_mach_task_creation_time+:} false; 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.$ac_ext
 /* end confdefs.h.  */
 #include <mach/task_info.h>
 int
@@ -336,40 +397,17 @@ long s = i->creation_time.seconds;
   return 0;
 }
 _ACEOF
-rm -f conftest.$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 :
   libc_cv_mach_task_creation_time=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mach_task_creation_time=no
+  libc_cv_mach_task_creation_time=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_task_creation_time" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_task_creation_time" >&5
 $as_echo "$libc_cv_mach_task_creation_time" >&6; }
 if test $libc_cv_mach_task_creation_time = no; then
-  { { $as_echo "$as_me:$LINENO: error: you need Mach headers supporting task_info.creation_time" >&5
-$as_echo "$as_me: error: you need Mach headers supporting task_info.creation_time" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "you need Mach headers supporting task_info.creation_time" "$LINENO" 5
 fi
 
 mach_interface_list=
@@ -380,67 +418,20 @@ for ifc in mach mach4 \
 	   i386/mach_i386 \
 	   ; do
   as_ac_Header=`$as_echo "ac_cv_header_mach/${ifc}.defs" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for mach/${ifc}.defs" >&5
-$as_echo_n "checking for mach/${ifc}.defs... " >&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.  */
-#include <mach/${ifc}.defs>
-_ACEOF
-if { (ac_try="$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$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  eval "$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 conftest.err 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$as_val" = x""yes; then
+ac_fn_c_check_header_preproc "$LINENO" "mach/${ifc}.defs" "$as_ac_Header"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
     mach_interface_list="$mach_interface_list $ifc"
 fi
 
 
 done
 if test "x$mach_interface_list" = x; then
-  { { $as_echo "$as_me:$LINENO: error: what manner of Mach is this?" >&5
-$as_echo "$as_me: error: what manner of Mach is this?" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "what manner of Mach is this?" "$LINENO" 5
 fi
 
-{ $as_echo "$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 ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -451,7 +442,7 @@ 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
@@ -471,7 +462,7 @@ 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"
@@ -486,26 +477,24 @@ 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 ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -519,7 +508,7 @@ 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
@@ -539,7 +528,7 @@ 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"
@@ -554,12 +543,10 @@ 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
@@ -567,27 +554,23 @@ 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 host_page_size in mach_host.defs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for host_page_size in mach_host.defs" >&5
 $as_echo_n "checking for host_page_size in mach_host.defs... " >&6; }
-if test "${libc_cv_mach_host_page_size+set}" = set; then
+if ${libc_cv_mach_host_page_size+:} false; 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 <mach/mach_host.defs>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "host_page_size" >/dev/null 2>&1; then
+  $EGREP "host_page_size" >/dev/null 2>&1; then :
   libc_cv_mach_host_page_size=yes
 else
   libc_cv_mach_host_page_size=no
@@ -595,103 +578,19 @@ fi
 rm -f conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_host_page_size" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_host_page_size" >&5
 $as_echo "$libc_cv_mach_host_page_size" >&6; }
 if test $libc_cv_mach_host_page_size = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_HOST_PAGE_SIZE 1
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for mach/machine/ndr_def.h" >&5
-$as_echo_n "checking for mach/machine/ndr_def.h... " >&6; }
-if test "${ac_cv_header_mach_machine_ndr_def_h+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.  */
-#include <mach/machine/ndr_def.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_cv_header_mach_machine_ndr_def_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  $as_echo "#define HAVE_HOST_PAGE_SIZE 1" >>confdefs.h
 
-  ac_cv_header_mach_machine_ndr_def_h=no
 fi
 
-rm -f conftest.err conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_mach_machine_ndr_def_h" >&5
-$as_echo "$ac_cv_header_mach_machine_ndr_def_h" >&6; }
-if test "x$ac_cv_header_mach_machine_ndr_def_h" = x""yes; then
+ac_fn_c_check_header_preproc "$LINENO" "mach/machine/ndr_def.h" "ac_cv_header_mach_machine_ndr_def_h"
+if test "x$ac_cv_header_mach_machine_ndr_def_h" = xyes; then :
     DEFINES="$DEFINES -DNDR_DEF_HEADER='<mach/machine/ndr_def.h>'"
 else
-  { $as_echo "$as_me:$LINENO: checking for machine/ndr_def.h" >&5
-$as_echo_n "checking for machine/ndr_def.h... " >&6; }
-if test "${ac_cv_header_machine_ndr_def_h+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.  */
-#include <machine/ndr_def.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_cv_header_machine_ndr_def_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_cv_header_machine_ndr_def_h=no
-fi
-
-rm -f conftest.err conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_machine_ndr_def_h" >&5
-$as_echo "$ac_cv_header_machine_ndr_def_h" >&6; }
-if test "x$ac_cv_header_machine_ndr_def_h" = x""yes; then
+  ac_fn_c_check_header_preproc "$LINENO" "machine/ndr_def.h" "ac_cv_header_machine_ndr_def_h"
+if test "x$ac_cv_header_machine_ndr_def_h" = xyes; then :
     DEFINES="$DEFINES -DNDR_DEF_HEADER='<machine/ndr_def.h>'"
 fi
 
@@ -700,22 +599,18 @@ fi
 
 
 
-{ $as_echo "$as_me:$LINENO: checking for i386_io_perm_modify in mach_i386.defs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for i386_io_perm_modify in mach_i386.defs" >&5
 $as_echo_n "checking for i386_io_perm_modify in mach_i386.defs... " >&6; }
-if test "${libc_cv_mach_i386_ioports+set}" = set; then
+if ${libc_cv_mach_i386_ioports+:} false; 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 <mach/i386/mach_i386.defs>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "i386_io_perm_modify" >/dev/null 2>&1; then
+  $EGREP "i386_io_perm_modify" >/dev/null 2>&1; then :
   libc_cv_mach_i386_ioports=yes
 else
   libc_cv_mach_i386_ioports=no
@@ -723,31 +618,25 @@ fi
 rm -f conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_i386_ioports" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_i386_ioports" >&5
 $as_echo "$libc_cv_mach_i386_ioports" >&6; }
 if test $libc_cv_mach_i386_ioports = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_I386_IO_PERM_MODIFY 1
-_ACEOF
+  $as_echo "#define HAVE_I386_IO_PERM_MODIFY 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for i386_set_gdt in mach_i386.defs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for i386_set_gdt in mach_i386.defs" >&5
 $as_echo_n "checking for i386_set_gdt in mach_i386.defs... " >&6; }
-if test "${libc_cv_mach_i386_gdt+set}" = set; then
+if ${libc_cv_mach_i386_gdt+:} false; 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 <mach/i386/mach_i386.defs>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "i386_set_gdt" >/dev/null 2>&1; then
+  $EGREP "i386_set_gdt" >/dev/null 2>&1; then :
   libc_cv_mach_i386_gdt=yes
 else
   libc_cv_mach_i386_gdt=no
@@ -755,21 +644,19 @@ fi
 rm -f conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mach_i386_gdt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mach_i386_gdt" >&5
 $as_echo "$libc_cv_mach_i386_gdt" >&6; }
 if test $libc_cv_mach_i386_gdt = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_I386_SET_GDT 1
-_ACEOF
+  $as_echo "#define HAVE_I386_SET_GDT 1" >>confdefs.h
 
 fi
 
 
 
 # See if mig groks `retcode'.
-{ $as_echo "$as_me:$LINENO: checking whether $MIG supports the retcode keyword" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $MIG supports the retcode keyword" >&5
 $as_echo_n "checking whether $MIG supports the retcode keyword... " >&6; }
-if test "${hurd_cv_mig_retcode+set}" = set; then
+if ${hurd_cv_mig_retcode+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.defs <<\EOF
@@ -783,22 +670,20 @@ simpleroutine foobar_reply (
 	err: kern_return_t, RetCode);
 EOF
 if { ac_try='CC="${CC}" ${MIG-false} -n conftest.defs 1>&5'
-  { (eval echo "$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); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   hurd_cv_mig_retcode=yes
 else
   hurd_cv_mig_retcode=no
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $hurd_cv_mig_retcode" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hurd_cv_mig_retcode" >&5
 $as_echo "$hurd_cv_mig_retcode" >&6; }
 if test $hurd_cv_mig_retcode = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_MIG_RETCODE 1
-_ACEOF
+  $as_echo "#define HAVE_MIG_RETCODE 1" >>confdefs.h
 
 fi

-- 
Joseph S. Myers
joseph@codesourcery.com


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