Regenerate sysdeps/mach/configure.

1 files changed, 285 insertions, 400 deletions

diff --git a/sysdeps/mach/configure b/sysdeps/mach/configure
index 32763ebaca..b41449e803 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