# 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.ac 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:${as_lineno-$LINENO}: checking for $ac_word" >&5

$as_echo_n "checking for $ac_word... " >&6; }

if ${ac_cv_prog_MIG+:} false; then :

  $as_echo_n "(cached) " >&6

else

  if test -n "$MIG"; then

  ac_cv_prog_MIG="$MIG" # Let the user override the test.

else

as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

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

  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then

    ac_cv_prog_MIG="${ac_tool_prefix}mig"

    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5

    break 2

  fi

done

  done

IFS=$as_save_IFS

fi

fi

MIG=$ac_cv_prog_MIG

if test -n "$MIG"; then

  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MIG" >&5

$as_echo "$MIG" >&6; }

else

  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5

$as_echo "no" >&6; }

fi

fi

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:${as_lineno-$LINENO}: checking for $ac_word" >&5

$as_echo_n "checking for $ac_word... " >&6; }

if ${ac_cv_prog_ac_ct_MIG+:} false; then :

  $as_echo_n "(cached) " >&6

else

  if test -n "$ac_ct_MIG"; then

  ac_cv_prog_ac_ct_MIG="$ac_ct_MIG" # Let the user override the test.

else

as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

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

  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then

    ac_cv_prog_ac_ct_MIG="mig"

    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5

    break 2

  fi

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:${as_lineno-$LINENO}: result: $ac_ct_MIG" >&5

$as_echo "$ac_ct_MIG" >&6; }

else

  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5

$as_echo "no" >&6; }

fi

  if test "x$ac_ct_MIG" = x; then

    MIG="MISSING"

  else

    case $cross_compiling:$ac_tool_warned in

yes:)

{ $as_echo "$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

    MIG=$ac_ct_MIG

  fi

else

  MIG="$ac_cv_prog_MIG"

fi

if test "x$MIG" = xMISSING; then

  as_fn_error $? "cannot find required build tool mig" "$LINENO" 5

fi

config_vars="$config_vars

MIG = $MIG"

if test -n "$sysheaders"; then

  OLD_CPPFLAGS=$CPPFLAGS

  CPPFLAGS="$CPPFLAGS $SYSINCLUDES"

fi

### Sanity checks for Mach header installation

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 :

else

  as_fn_error $? "cannot find Mach headers" "$LINENO" 5

fi

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_fn_error $? "cannot find Mach .defs files" "$LINENO" 5

fi

{ $as_echo "$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 confdefs.h - <<_ACEOF >conftest.$ac_ext

/* end confdefs.h.  */

#include <mach/mach_types.h>

int

main ()

{

extern task_t foo;

  ;

  return 0;

}

_ACEOF

if ac_fn_c_try_compile "$LINENO"; then :

  libc_cv_mach_task_t=task_t

else

  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:${as_lineno-$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:${as_lineno-$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 ${libc_cv_mach_thread_t+:} false; then :

  $as_echo_n "(cached) " >&6

else

  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

/* end confdefs.h.  */

#include <mach/mach_types.h>

int

main ()

{

extern thread_t foo;

  ;

  return 0;

}

_ACEOF

if ac_fn_c_try_compile "$LINENO"; then :

  libc_cv_mach_thread_t=thread_t

else

  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:${as_lineno-$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:${as_lineno-$LINENO}: checking for creation_time in task_basic_info" >&5

$as_echo_n "checking for creation_time in task_basic_info... " >&6; }

if ${libc_cv_mach_task_creation_time+:} false; then :

  $as_echo_n "(cached) " >&6

else

  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

/* end confdefs.h.  */

#include <mach/task_info.h>

int

main ()

{

extern struct task_basic_info *i;

long s = i->creation_time.seconds;

  ;

  return 0;

}

_ACEOF

if ac_fn_c_try_compile "$LINENO"; then :

  libc_cv_mach_task_creation_time=yes

else

  libc_cv_mach_task_creation_time=no

fi

rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

fi

{ $as_echo "$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_fn_error $? "you need Mach headers supporting task_info.creation_time" "$LINENO" 5

fi

mach_interface_list=

for ifc in mach mach4 gnumach \

	   clock clock_priv host_priv host_security ledger lock_set \

	   processor processor_set task task_notify thread_act vm_map \

	   memory_object memory_object_default default_pager \

	   i386/mach_i386 \

	   ; do

  as_ac_Header=`$as_echo "ac_cv_header_mach/${ifc}.defs" | $as_tr_sh`

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_fn_error $? "what manner of Mach is this?" "$LINENO" 5

fi

{ $as_echo "$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 ${ac_cv_path_GREP+:} false; then :

  $as_echo_n "(cached) " >&6

else

  if test -z "$GREP"; then

  ac_path_GREP_found=false

  # Loop through the user's path and test for each of PROGNAME-LIST

  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

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_exec_ext in '' $ac_executable_extensions; do

      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"

      as_fn_executable_p "$ac_path_GREP" || continue

# Check for GNU ac_path_GREP and select it if it is found.

  # Check for GNU $ac_path_GREP

case `"$ac_path_GREP" --version 2>&1` in

*GNU*)

  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;

*)

  ac_count=0

  $as_echo_n 0123456789 >"conftest.in"

  while :

  do

    cat "conftest.in" "conftest.in" >"conftest.tmp"

    mv "conftest.tmp" "conftest.in"

    cp "conftest.in" "conftest.nl"

    $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

    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"

      ac_path_GREP_max=$ac_count

    fi

    # 10*(2^10) chars as input seems more than enough

    test $ac_count -gt 10 && break

  done

  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;

esac

      $ac_path_GREP_found && break 3

    done

  done

  done

IFS=$as_save_IFS

  if test -z "$ac_cv_path_GREP"; then

    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:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5

$as_echo "$ac_cv_path_GREP" >&6; }

 GREP="$ac_cv_path_GREP"

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5

$as_echo_n "checking for egrep... " >&6; }

if ${ac_cv_path_EGREP+:} false; then :

  $as_echo_n "(cached) " >&6

else

  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1

   then ac_cv_path_EGREP="$GREP -E"

   else

     if test -z "$EGREP"; then

  ac_path_EGREP_found=false

  # Loop through the user's path and test for each of PROGNAME-LIST

  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

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_exec_ext in '' $ac_executable_extensions; do

      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"

      as_fn_executable_p "$ac_path_EGREP" || continue

# Check for GNU ac_path_EGREP and select it if it is found.

  # Check for GNU $ac_path_EGREP

case `"$ac_path_EGREP" --version 2>&1` in

*GNU*)

  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;

*)

  ac_count=0

  $as_echo_n 0123456789 >"conftest.in"

  while :

  do

    cat "conftest.in" "conftest.in" >"conftest.tmp"

    mv "conftest.tmp" "conftest.in"

    cp "conftest.in" "conftest.nl"

    $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

    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"

      ac_path_EGREP_max=$ac_count

    fi

    # 10*(2^10) chars as input seems more than enough

    test $ac_count -gt 10 && break

  done

  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;

esac

      $ac_path_EGREP_found && break 3

    done

  done

  done

IFS=$as_save_IFS

  if test -z "$ac_cv_path_EGREP"; then

    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

fi

   fi

fi

{ $as_echo "$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:${as_lineno-$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 ${libc_cv_mach_host_page_size+:} false; then :

  $as_echo_n "(cached) " >&6

else

  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 :

  libc_cv_mach_host_page_size=yes

else

  libc_cv_mach_host_page_size=no

fi

rm -f conftest*

fi

{ $as_echo "$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

  $as_echo "#define HAVE_HOST_PAGE_SIZE 1" >>confdefs.h

fi

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

  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

fi

{ $as_echo "$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 ${libc_cv_mach_i386_ioports+:} false; then :

  $as_echo_n "(cached) " >&6

else

  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 :

  libc_cv_mach_i386_ioports=yes

else

  libc_cv_mach_i386_ioports=no

fi

rm -f conftest*

fi

{ $as_echo "$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

  $as_echo "#define HAVE_I386_IO_PERM_MODIFY 1" >>confdefs.h

fi

{ $as_echo "$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 ${libc_cv_mach_i386_gdt+:} false; then :

  $as_echo_n "(cached) " >&6

else

  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 :

  libc_cv_mach_i386_gdt=yes

else

  libc_cv_mach_i386_gdt=no

fi

rm -f conftest*

fi

{ $as_echo "$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

  $as_echo "#define HAVE_I386_SET_GDT 1" >>confdefs.h

fi

# See if mig groks `retcode'.

{ $as_echo "$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 ${hurd_cv_mig_retcode+:} false; then :

  $as_echo_n "(cached) " >&6

else

  cat > conftest.defs <<\EOF

#include <mach/std_types.defs>

#include <mach/mach_types.defs>

subsystem foobar 1000;

type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE

	ctype: mach_port_t;

simpleroutine foobar_reply (

	reply_port: reply_port_t;

	err: kern_return_t, RetCode);

EOF

if { ac_try='CC="${CC}" ${MIG-false} -n conftest.defs 1>&5'

  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5

  (eval $ac_try) 2>&5

  ac_status=$?

  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

  test $ac_status = 0; }; }; then

  hurd_cv_mig_retcode=yes

else

  hurd_cv_mig_retcode=no

fi

rm -f conftest*

fi

{ $as_echo "$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

  $as_echo "#define HAVE_MIG_RETCODE 1" >>confdefs.h

fi

if test -n "$sysheaders"; then

  CPPFLAGS=$OLD_CPPFLAGS

fi