summaryrefslogtreecommitdiff
path: root/sysdeps/mach/configure
blob: 61ac7d9684275c6a159a6b4e73d9d1799dce0293 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555


# 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 '' $ac_executable_extensions; do
  if { test -f "$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:${as_lineno-$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 '' $ac_executable_extensions; do
  if { test -f "$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:${as_lineno-$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"

### 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 \
	   clock clock_priv host_priv host_security ledger lock_set \
	   processor processor_set task 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"
      { test -f "$ac_path_GREP" && $as_test_x "$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"
      { test -f "$ac_path_EGREP" && $as_test_x "$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