configure.in 19 KB
Newer Older
1
2
3
4
5
6
dnl == autoconf source for the Glasgow FP tools ==
dnl (grep for '^dnl' to see the outline of this file)
dnl
dnl * INITIAL SETUP, CHOICE OF PLATFORM(S)
#!/bin/sh
#
7
# (c) The AQUA Project, Glasgow University, 1994-1997
8
9
10
11
12
13
14
#
# Configure script for the Glasgow functional programming tools
# (created automagically by autoconf...do not edit by hand)
#
# Do "./configure --help" to see what flags are available.
# (Better yet, read the documentation!)
#
15
16
# First off, a distrib sanity check..
AC_INIT(mk/config.mk.in)
17

18
19
20
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
21
22
#
AC_CONFIG_HEADER(mk/config.h)
23

24
25
# No, we don't do `--srcdir'...
if test x"$srcdir" != 'x.' ; then
26
    echo "This configuration does not support the \`--srcdir' option.."
27
28
29
    exit 1
fi

30
31
32
#
# Remove some automounter nonsense (Glasgow specific gruff)
#
33
hardtop=`pwd`
34
35
36
37
hardtop=`echo $hardtop | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|'`

#OLD: hardtop=`echo $hardtop | sed 's|^/tmp_mnt/|/|' | sed 's|^/export/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|'`

38
39
40
41
echo ''
echo "*** The top of your build tree is: $hardtop"
AC_SUBST(hardtop)

42
43
# -------------------------------------------------------------------------
dnl ** choose host(/target/build) platform
44
#
45
46
# Guess host/target/build platform(s) if necessary.
#
47
AC_CANONICAL_SYSTEM
48
49
50
51
52
53

# "$host" defaults to "$target"
if test "x$host" = xNONE ; then
    host=$target
fi
# "$build" defaults to "$host"
54
55
56
57
58
59
#if test "x$build" = xNONE ; then
#    build=$host
#else
#    echo "This configuration does not support the \`--build' option."
#    exit 1
#fi
60
61
62
63
64
65
66
67
68
69
70
71

dnl ** canonicalize platform names
# Canonicali[sz]e those babies
BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1

if test x"$TargetPlatform" != x"$HostPlatform" ; then
    echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
    exit 1
fi

72
#
73
74
75
76
# The following will be more difficult when we *are* cross-compiling.
# Suitable names to slam in *_CPP are in platform.h.in.
# We also record the architecture, vendor, and operating system (OS)
# separately.
sof's avatar
sof committed
77
HostPlatformFull=$HostPlatform
78
case $HostPlatform in
79
alpha-dec-osf[[1234]]*)
80
	HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
81
	TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
82
	BuildPlatform=alpha-dec-osf1  # hack
83
84
85
86
87
88
        HostPlatform_CPP='alpha_dec_osf1'
        HostArch_CPP='alpha'
        HostVendor_CPP='dec'
        HostOS_CPP='osf1'
        ;;
hppa1.1-hp-hpux*)
89
	HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
90
91
92
93
94
95
96
	TargetPlatform=hppa1.1-hp-hpux
	BuildPlatform=hppa1.1-hp-hpux
        HostPlatform_CPP='hppa1_1_hp_hpux'
        HostArch_CPP='hppa1_1'
        HostVendor_CPP='hp'
        HostOS_CPP='hpux'
        ;;
97
i[[3456]]86-*-linuxaout*)
98
	HostPlatform=i386-unknown-linuxaout   # hack again
99
100
101
102
103
104
105
	TargetPlatform=i386-unknown-linuxaout
	BuildPlatform=i386-unknown-linuxaout
        HostPlatform_CPP='i386_unknown_linuxaout'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='linuxaout'
        ;;
106
i[[3456]]86-*-linux*)
107
108
109
110
111
112
113
114
	HostPlatform=i386-unknown-linux # hack again
	TargetPlatform=i386-unknown-linux
	BuildPlatform=i386-unknown-linux
        HostPlatform_CPP='i386_unknown_linux'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='linux'
        ;;
115
116
117
118
i[[3456]]86-*-freebsd*)
	HostPlatform=i386-unknown-freebsd # hack again
	TargetPlatform=i386-unknown-freebsd
	BuildPlatform=i386-unknown-freebsd
119
120
121
122
123
        HostPlatform_CPP='i386_unknown_freebsd'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='freebsd'
        ;;
124
125
126
127
i[[3456]]86-*-netbsd*)
	HostPlatform=i386-unknown-netbsd # hack again
	TargetPlatform=i386-unknown-netbsd
	BuildPlatform=i386-unknown-netbsd
128
129
130
131
132
        HostPlatform_CPP='i386_unknown_netbsd'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='netbsd'
        ;;
133
i[[3456]]86-*-solaris2*)
134
135
136
137
138
139
140
141
	HostPlatform=i386-unknown-solaris2 # hack again
	TargetPlatform=i386-unknown-solaris2
	BuildPlatform=i386-unknown-solaris2
        HostPlatform_CPP='i386_unknown_solaris2'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='solaris2'
        ;;
142
143
144
145
146
147
148
149
150
i[[3456]]86-*-cygwin32*)
	HostPlatform=i386-unknown-cygwin32 # hack again
	TargetPlatform=i386-unknown-cygwin32
	BuildPlatform=i386-unknown-cygwin32
        HostPlatform_CPP='i386_unknown_cygwin32'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='cygwin32'
        ;;
151
152
153
154
155
156
157
158
159
160
161
162
m68k-next-nextstep2)
        HostPlatform_CPP='m68k_next_nextstep2'
        HostArch_CPP='m68k'
        HostVendor_CPP='next'
        HostOS_CPP='nextstep2'
        ;;
m68k-next-nextstep3)
        HostPlatform_CPP='m68k_next_nextstep3'
        HostArch_CPP='m68k'
        HostVendor_CPP='next'
        HostOS_CPP='nextstep3'
        ;;
163
i[[3456]]86-next-nextstep3)
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
	HostPlatform=i386-next-nextstep3 # hack again
	TargetPlatform=i386-next-nextstep3
	BuildPlatform=i386-next-nextstep3
        HostPlatform_CPP='i386_next_nextstep3'
        HostArch_CPP='i386'
        HostVendor_CPP='next'
        HostOS_CPP='nextstep3'
        ;;
m68k-sun-sunos4*)
	HostPlatform=m68k-sun-sunos4
	TargetPlatform=m68k-sun-sunos4 #hack
	BuildPlatform=m68k-sun-sunos4 #hack
        HostPlatform_CPP='m68k_sun_sunos4'
        HostArch_CPP='m68k'
        HostVendor_CPP='sun'
        HostOS_CPP='sunos4'
        ;;
mips-dec-ultrix*)
        HostPlatform_CPP='mips_dec_ultrix'
        HostArch_CPP='mipsel'   # NB a little different
        HostVendor_CPP='dec'
        HostOS_CPP='ultrix'
        ;;
mips-sgi-irix*)
	HostPlatform=mips-sgi-irix
	TargetPlatform=mips-sgi-irix #hack
	BuildPlatform=mips-sgi-irix #hack
        HostPlatform_CPP='mips_sgi_irix'
        HostArch_CPP='mipseb'   # NB a little different
        HostVendor_CPP='sgi'
        HostOS_CPP='irix'
        ;;
196
197
198
199
200
201
202
203
204
rs6000-ibm-aix*)
	HostPlatform=rs6000-ibm-aix
	TargetPlatform=rs6000-ibm-aix #hack
	BuildPlatform=rs6000-ibm-aix #hack
        HostPlatform_CPP='rs6000_ibm_aix'
        HostArch_CPP='rs6000'
        HostVendor_CPP='ibm'
        HostOS_CPP='aix'
        ;;
205
206
207
208
209
210
powerpc-ibm-aix*)
	HostPlatform=powerpc-ibm-aix
	TargetPlatform=powerpc-ibm-aix #hack
	BuildPlatform=powerpc-ibm-aix #hack
        HostPlatform_CPP='powerpc_ibm_aix'
        HostArch_CPP='powerpc'
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
        HostVendor_CPP='ibm'
        HostOS_CPP='aix'
        ;;
sparc-sun-sunos4*)
	HostPlatform=sparc-sun-sunos4
	TargetPlatform=sparc-sun-sunos4 #hack
	BuildPlatform=sparc-sun-sunos4 #hack
        HostPlatform_CPP='sparc_sun_sunos4'
        HostArch_CPP='sparc'
        HostVendor_CPP='sun'
        HostOS_CPP='sunos4'
        ;;
sparc-sun-solaris2*)
	HostPlatform=sparc-sun-solaris2
	TargetPlatform=sparc-sun-solaris2 #hack
	BuildPlatform=sparc-sun-solaris2 #hack
        HostPlatform_CPP='sparc_sun_solaris2'
        HostArch_CPP='sparc'
        HostVendor_CPP='sun'
        HostOS_CPP='solaris2'
        ;;
*)
        echo "Unrecognised platform: $HostPlatform"
        exit 1
        ;;
esac
237
238
239
echo "Which we'll canonicalise into: $HostPlatform"
test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
240
241
242
243
244
245
246
247
248

BuildPlatform_CPP=$HostPlatform_CPP
TargetPlatform_CPP=$HostPlatform_CPP
BuildArch_CPP=$HostArch_CPP
TargetArch_CPP=$HostArch_CPP
BuildOS_CPP=$HostOS_CPP
TargetOS_CPP=$HostOS_CPP
BuildVendor_CPP=$HostVendor_CPP
TargetVendor_CPP=$HostVendor_CPP
249
250

dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
251
dnl AC_SUBST(BuildPlatform)
sof's avatar
sof committed
252
AC_SUBST(HostPlatformFull)
253
AC_SUBST(HostPlatform)
254
AC_SUBST(TargetPlatform)
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
AC_SUBST(HostPlatform_CPP)
dnl AC_SUBST(BuildPlatform_CPP)
dnl AC_SUBST(TargetPlatform_CPP)
AC_SUBST(HostArch_CPP)
dnl AC_SUBST(BuildArch_CPP)
dnl AC_SUBST(TargetArch_CPP)
AC_SUBST(HostOS_CPP)
dnl AC_SUBST(BuildOS_CPP)
dnl AC_SUBST(TargetOS_CPP)
AC_SUBST(HostVendor_CPP)
dnl AC_SUBST(BuildVendor_CPP)
dnl AC_SUBST(TargetVendor_CPP)

# -------------------------------------------------------------------------
dnl
dnl * _GENERAL_ CONFIGURATION CHECKS
#
dnl ** are we at Glasgow?
#
274
275
# This stuff is in danger of going away..
#
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
if test -d /local/fp -a -d /users/fp/simonpj; then
    echo "Brilliant!  You must be a Glaswegian."
    AT_GLASGOW=1
    if test "x$prefix" = xNONE; then
        prefix=/local/fp
        echo "Assuming installation prefix of $prefix"
    fi
    if test "x$exec_prefix" = xNONE; then
        # Sigh: the defn of exec_prefix does not include the bin* bit...
        # WDP 94/07
        exec_prefix=/local/fp
        echo "Assuming binary installation prefix of $exec_prefix"
    fi
else
    AT_GLASGOW=0
fi
AC_SUBST(AT_GLASGOW)
test -n "$verbose" && echo "    setting AT_GLASGOW to $AT_GLASGOW"
#
#
#
dnl ** does #! work?
#
AC_SYS_INTERPRETER()
#
dnl ** look for `perl', but watch out for version 4.035
#
AC_CHECK_PROG(PerlCmd,perl,$ac_dir/$ac_word)
if test -z "$PerlCmd"; then
    echo "You must install perl before you can continue"
    echo "Perhaps it is already installed, but not in your PATH?"
    exit 1
else
    $PerlCmd -v >conftest.out 2>&1
    if egrep "version 4" conftest.out >/dev/null 2>&1; then
        if egrep "Patch level: 35" conftest.out >/dev/null 2>&1; then
            echo "
************************************************************************
Uh-oh...looks like you have Perl 4.035.

Perl version 4.035 has a bug to do with recursion that will bite if
you run the lit2texi script, when making Info files from
literate files of various sorts.  Either use the current version
(4.036), an older version (e.g., perl 4.019) or apply the patch in
glafp-utils/perl-4.035-fixes to your 4.035 perl.
************************************************************************
"
        fi
    else
325
326
327
328
329
330
	if egrep "version 5" conftest.out >/dev/null 2>&1; then
	    :
	else
	    echo "I'm not sure if your version of perl will work,"
	    echo "but it's worth a shot, eh?"
	fi
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
    fi
    rm -fr conftest*
fi
#
dnl ** does #!.../perl work? (sometimes it's too long...)
echo "checking if \`#!$PerlCmd' works in shell scripts"
echo "#!$PerlCmd"'
exit $1;
' > conftest
chmod u+x conftest
(SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
if test $? -ne 69; then
   echo "It does!"
else
   echo "It doesn't!  Perhaps \`#!$PerlCmd' is too long (often 32 characters max)"
   exit 1
fi
rm -f conftest
#
dnl ** check if perl library is properly installed
# (by seeing if a "do 'getopts.pl'" works...
if $PerlCmd -e 'do "getopts.pl" || exit(1); exit(0);' > /dev/null 2>&1 ; then
    :
else
sof's avatar
sof committed
355
    echo "I think your perl library is misinstalled:"
356
357
    echo "The following script did not work:"
    echo '      do "getopts.pl" || exit(1); exit(0);'
sof's avatar
sof committed
358
    echo 'But, anyway, we will continue in our quest..'
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
fi
#
#
dnl ** look for GCC and find out which version
# Figure out which C compiler to use.  Gcc is preferred.
# If gcc, make sure it's at least 2.1
#
AC_PROG_CC
if test -z "$GCC"; then
    echo "You would be better off with gcc"
    echo "Perhaps it is already installed, but not in your PATH?"
    HaveGcc='NO'
else
    gcc -v > conftest.out 2>&1
    echo '/version (\d+)\.(\d+)/ && $1*10+$2 > 20 && print "YES";' > conftest.pl
    HaveGcc=`eval $PerlCmd -n conftest.pl conftest.out`
    if test -z "$HaveGcc"; then
        echo "I'm not sure if your version of gcc will work,"
        echo "but it's worth a shot, eh?"
        HaveGcc='YES'
    fi
    rm -fr conftest*
fi
AC_SUBST(HaveGcc)
383
384

# Deprecated (AC_PROG_CC does it): AC_C_CROSS
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
#
dnl ** figure out how to do context diffs
# (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
#
echo foo > conftest1
echo foo > conftest2
if diff -C 1 conftest1 conftest2 > /dev/null 2>&1 ; then
    ContextDiffCmd='diff -C 1'
else
    if diff -c1 conftest1 conftest2 > /dev/null 2>&1 ; then
        ContextDiffCmd='diff -c1'
    else
        echo "Can't figure out how to do context diffs."
        echo "Neither \`diff -C 1' nor \`diff -c1' works."
        exit 1
    fi
fi
rm -f conftest1 conftest2
AC_SUBST(ContextDiffCmd)
#
dnl ** look for a decent parser generator (bison preferred)
#
#
AC_CHECK_PROG(YaccCmd, bison, bison -y)
if test -z "$YaccCmd"; then
    echo "Can't find bison out there..."
    AC_CHECK_PROG(WhatCmd, what, what, :)
    AC_CHECK_PROG(YaccCmd, yacc, $ac_dir/$ac_word)
    if test -z "$YaccCmd"; then
        echo "But that's okay...I can't find yacc either."
        YaccCmd=:
    else
        $WhatCmd $YaccCmd > conftest.out
        if egrep 'y1\.c 1\..*SMI' conftest.out >/dev/null 2>&1; then
            echo "I don't trust your $YaccCmd; it looks like an old Sun yacc"
420
            if test -f /usr/lang/yacc; then
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
                echo "I'm going to use /usr/lang/yacc instead"
                YaccCmd=/usr/lang/yacc
            else
                echo "I'm assuming the worst...no parser generator at all"
                YaccCmd=:
            fi
        elif egrep 'y1\.c.*Revision: 4\.2\.6\.3.*DEC' conftest.out >/dev/null 2>&1; then
            echo "I don't trust your $YaccCmd; it looks like a lame DEC yacc"
            echo "I'm assuming the worst...no parser generator at all"
            YaccCmd=:
        else
            echo "But that's okay...as far as I know, your yacc will work."
        fi
        rm -fr conftest*
    fi
fi

438
439
440
441
dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
#
AC_PROG_LEX

442
443
444
445
446
447
448
449
450
# -------------------------------------------------------------------------
#
dnl ** figure out how to invoke cpp directly (gcc -E is no good)
#
AC_PROG_CPP
if echo $CPP | egrep gcc >/dev/null 2>&1; then
    echo > conftest.c
    gcc -v -E conftest.c >/dev/null 2>conftest.out
    echo '/(\S+\/cpp)/ && print "$1";' > conftest.pl
451
452
    # GNUCPP: used in jmake.c (GnuCppCmd) and in mkdependC
    # (where we could do with the usual pre-#defines)
453
    GNUCPP="`eval $PerlCmd -n conftest.pl conftest.out`"
454
    test -n "$verbose" && echo "        setting GNUCPP to $GNUCPP"
455
456
    # RAWCPP: we do not want *any* pre-#defines...
    # (e.g., hscpp, mkdependHS)
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
    RAWCPP="`eval $PerlCmd -n conftest.pl conftest.out` -traditional"
    test -n "$verbose" && echo "        setting RAWCPP to $RAWCPP"
    rm -fr conftest*
fi
# ToDo: what are GNUCPP and RAWCPP if the above if didn't fire? WDP 95/02
AC_SUBST(GNUCPP)
AC_SUBST(RAWCPP)
#
dnl ** figure out how to do a BSD-ish install
#
AC_PROG_INSTALL
#
dnl ** figure out what arguments to feed to `ar'
#
AC_CHECK_PROG(ArCmd,ar,$ac_dir/$ac_word)
if test -z "$ArCmd"; then
    echo "You don't seem to have ar...I have no idea how to make a library"
    exit 1;
fi
if $ArCmd clqs conftest.a >/dev/null 2>/dev/null; then
    ArCmd="$ArCmd clqs"
    NeedRanLib=''
elif $ArCmd cqs conftest.a >/dev/null 2>/dev/null; then
    ArCmd="$ArCmd cqs"
    NeedRanLib=''
elif $ArCmd clq conftest.a >/dev/null 2>/dev/null; then
    ArCmd="$ArCmd clq"
    NeedRanLib='YES'
elif $ArCmd cq conftest.a >/dev/null 2>/dev/null; then
    ArCmd="$ArCmd cq"
    NeedRanLib='YES'
488
489
490
elif $ArCmd cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then
    ArCmd="$ArCmd cq"
    NeedRanLib='YES'
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
else
    echo "I can't figure out how to use your $ArCmd"
    exit 1
fi
rm -rf conftest*
test -n "$ArCmd" && test -n "$verbose" && echo "        setting ArCmd to $ArCmd"
AC_SUBST(ArCmd)
#
dnl ** figure out if we need `ranlib'
#
if test -z "$NeedRanLib"; then
    # we hackily override a few platforms on a case-by-case basis
    case $HostPlatform in
    i386-*-linuxaout)
	NeedRanLib='YES'
	;;
    *)	RANLIB=':'
	;;
    esac
    test -n "$verbose" && echo "        setting RANLIB to $RANLIB"
fi
if test -n "$NeedRanLib"; then
    AC_PROG_RANLIB
fi
AC_SUBST(RANLIB)
#
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
556
557
558
559
560
561
562
563
564
565
566
567
568
569
#
dnl ** Check to see whether ln -s works
#
AC_PROG_LN_S()
AC_SUBST(LN_S)
#
dnl ** Find the path to sed **
AC_PATH_PROG(SedCmd,sed,$ac_dir/$ac_word)
# 
# It better be around somewhere (we wouldn't
# exec this script properly if it wasn't!)
#
AC_SUBST(SedCmd)
#
dnl ** check for time command **
AC_PATH_PROG(TimeCmd,time,$ac_dir/$ac_word)
# 
AC_SUBST(TimeCmd)
#
dnl ** check for tar **
#
# if GNU tar is named gtar, look for it first.
#
AC_PATH_PROGS(TarCmd,gtar tar,tar)
AC_SUBST(TarCmd)

#
dnl ** check for gzip/compress **
AC_PATH_PROGS(CompressCmd,gzip compress,gzip)

compress_nm=`basename $CompressCmd`

if test x"$compress_nm" = xgzip; then
  CompressCmd="$CompressCmd -d"
  CompressSuffix="gz"
else
  CompressSuffix="Z"
fi
AC_SUBST(CompressCmd)
AC_SUBST(CompressSuffix)
#
dnl ** check for installed happy binary
#
AC_PATH_PROG(HappyCmd,happy)
AC_SUBST(HappyCmd)
#
#
dnl ** check for installed lx binary
#
AC_PATH_PROG(LxCmd,lx)
AC_SUBST(LxCmd)
#
#
570
571
572
573
574
575
dnl ** check for full ANSI header (.h) files
#
AC_HEADER_STDC
#
dnl ** check for specific header (.h) files that we are interested in
#
sof's avatar
sof committed
576
AC_CHECK_HEADERS(dirent.h fcntl.h grp.h malloc.h memory.h nlist.h pwd.h siginfo.h signal.h stdlib.h string.h sys/fault.h sys/file.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/vadvise.h sys/wait.h termios.h time.h types.h unistd.h utime.h vfork.h readline/readline.h )
577
578
579
580
581
#
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
#
AC_HEADER_TIME
#
sof's avatar
sof committed
582
dnl ** how do we get a timezone name, and UTC offset ?
583
584
#
AC_STRUCT_TIMEZONE
sof's avatar
sof committed
585
586
587
588
HaveAltZone=yes
AC_MSG_CHECKING([for altzone])
AC_TRY_LINK([#include <time.h>], [return altzone;], AC_DEFINE(HAVE_ALTZONE),HaveAltZone=no)
AC_MSG_RESULT($HaveAltZone)
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
# 
dnl ** determine the type of signal()
#
AC_TYPE_SIGNAL
#
dnl ** check for specific library functions that we are interested in
#
AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect setitimer stat sysconf timelocal times vadvise vfork)
#
dnl ** can we get alloca?
#
AC_FUNC_ALLOCA
#
dnl ** determine whether or not const works
#
AC_C_CONST
#
dnl ** check for leading underscores in symbol names
# We assume that they _aren't_ there if anything goes wrong.
#
echo checking for a leading underscore in symbol names
AC_TRY_RUN(
[#ifdef HAVE_NLIST_H
#include <nlist.h>
struct nlist xYzzY[] = {{"_xYzzY", 0},{0}};
#endif

main(argc, argv)
int argc;
char **argv;
{
#ifdef HAVE_NLIST_H
    if(nlist(argv[0], xYzzY) == 0 && xYzzY[0].n_value != 0)
        exit(0);
#endif
    exit(1);
}], LeadingUnderscore='YES', LeadingUnderscore='NO', LeadingUnderscore='YES')
test -n "$verbose" && echo "    setting LeadingUnderscore to $LeadingUnderscore"
627
AC_SUBST(LeadingUnderscore)
628

629
AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
630
631

#
632
633
634
# It'll break soon enough if it didn't, but we perform a sanity
# check here on the generated config.mk file to see if the
# sed that was used is of the well-behaved sort.
635
#
sof's avatar
sof committed
636
637
638
639
640
641
642
643
#grep @ mk/config.mk > conftest.out
#if grep -v '#	   enclosed in @at-signs@.' conftest.out >/dev/null 2>&1; then
#   :
#else
#   echo 'Hmm..suspicious, did the configure script perform all the @..@ substitutions in mk/config.mk?..';
#   grep -v '#	   enclosed in @at-signs@.' conftest.out /dev/null
#fi
#rm -f conftest*
644

645
echo ''
646
echo '************************************************'
647
echo '*** NOW DO: gmake boot followed by gmake all'
648
649
echo '************************************************'
exit 0