configure.in 30.5 KB
Newer Older
1
dnl == autoconf source for the Glasgow FP tools ==
sof's avatar
sof committed
2
3
dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
dnl  (or some such) to see the outline of this file)
4
5
dnl
#
sof's avatar
sof committed
6
# (c) The AQUA Project, Glasgow University, 1994-1998
7
#
sof's avatar
sof committed
8
# Configure script template for the Glasgow functional programming tools
9
#
sof's avatar
sof committed
10
# Process with 'autoconf' to get a working configure script.
11
#
sof's avatar
sof committed
12
13
14
15
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#

16
17
# First off, a distrib sanity check..
AC_INIT(mk/config.mk.in)
18

chak's avatar
chak committed
19
20
21
22
dnl * Declare subdirectories that have a private configure script
dnl
dnl After the toplevel configuration is complete, the script will recurse into
dnl these subdirectories (the use of cache values makes repeated checks cheap)
23
dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
chak's avatar
chak committed
24
25
AC_CONFIG_SUBDIRS(ghc)

26
27
28
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
29
30
#
AC_CONFIG_HEADER(mk/config.h)
31

sof's avatar
sof committed
32
# No, semi-sadly, we don't do `--srcdir'...
33
if test x"$srcdir" != 'x.' ; then
34
    echo "This configuration does not support the \`--srcdir' option.."
35
36
37
    exit 1
fi

sof's avatar
sof committed
38
39
40
41
42
43
44
45
46
#
# Remove common automounter nonsense + convert from UNC to DOS style paths
# (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
#
hardtop=`pwd`
hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `

echo ''
echo "*** The top of your build tree is: $hardtop"
sof's avatar
sof committed
47
# subst of hardtop is done below after we've computed hardtop_plat.
sof's avatar
sof committed
48

sof's avatar
sof committed
49
50
51
52
53
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------

dnl Guess host/target/build platform(s) if necessary.
54
AC_CANONICAL_SYSTEM
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69

# "$host" defaults to "$target"
if test "x$host" = xNONE ; then
    host=$target
fi

dnl ** canonicalize platform names
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
sof's avatar
sof committed
70
71

exeext=''
72
#
73
74
75
76
77
# 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.
case $HostPlatform in
ken's avatar
ken committed
78
alpha*-dec-osf[[12]]*)
79
	HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
80
	TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
81
	BuildPlatform=alpha-dec-osf1  # hack
82
83
84
85
86
        HostPlatform_CPP='alpha_dec_osf1'
        HostArch_CPP='alpha'
        HostVendor_CPP='dec'
        HostOS_CPP='osf1'
        ;;
ken's avatar
ken committed
87
alpha*-dec-osf[[345]]*)
88
89
90
91
92
93
94
95
	HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
	TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
	BuildPlatform=alpha-dec-osf3  # hack
        HostPlatform_CPP='alpha_dec_osf3'
        HostArch_CPP='alpha'
        HostVendor_CPP='dec'
        HostOS_CPP='osf3'
        ;;
ken's avatar
ken committed
96
alpha*-unknown-linux)
97
98
99
100
101
102
103
104
	HostPlatform=alpha-unknown-linux
	TargetPlatform=alpha-unknown-linux
	BuildPlatform=alpha-unknown-linux
        HostPlatform_CPP='alpha_unknown_linux'
        HostArch_CPP='alpha'
        HostVendor_CPP='unknown'
        HostOS_CPP='linux'
        ;;
ken's avatar
ken committed
105
alpha*-unknown-freebsd*)
106
107
108
109
110
111
112
113
	HostPlatform=alpha-unknown-freebsd
	TargetPlatform=alpha-unknown-freebsd
	BuildPlatform=alpha-unknown-freebsd
        HostPlatform_CPP='alpha_unknown_freebsd'
        HostArch_CPP='alpha'
        HostVendor_CPP='unknown'
        HostOS_CPP='freebsd'
        ;;
114
hppa1.1-hp-hpux*)
115
	HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
116
117
118
119
120
121
122
	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'
        ;;
123
i[[3456]]86-*-linuxaout*)
124
	HostPlatform=i386-unknown-linuxaout   # hack again
125
126
127
128
129
130
131
	TargetPlatform=i386-unknown-linuxaout
	BuildPlatform=i386-unknown-linuxaout
        HostPlatform_CPP='i386_unknown_linuxaout'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='linuxaout'
        ;;
132
i[[3456]]86-*-linux*)
133
134
135
136
137
138
139
140
	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'
        ;;
141
i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
142
143
144
145
	HostPlatform=i386-unknown-freebsd # hack again
	TargetPlatform=i386-unknown-freebsd
	BuildPlatform=i386-unknown-freebsd
        HostPlatform_CPP='i386_unknown_freebsd'
146
147
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
148
        HostOS_CPP='freebsd'
149
150
151
152
153
154
155
156
157
        ;;
i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
	HostPlatform=i386-unknown-freebsd2 # hack again
	TargetPlatform=i386-unknown-freebsd2
	BuildPlatform=i386-unknown-freebsd2
        HostPlatform_CPP='i386_unknown_freebsd2'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='freebsd2'
158
        ;;
159
160
161
162
i[[3456]]86-*-netbsd*)
	HostPlatform=i386-unknown-netbsd # hack again
	TargetPlatform=i386-unknown-netbsd
	BuildPlatform=i386-unknown-netbsd
163
164
165
166
167
        HostPlatform_CPP='i386_unknown_netbsd'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='netbsd'
        ;;
168
169
170
171
172
173
174
175
176
i[[3456]]86-*-openbsd*)
	HostPlatform=i386-unknown-openbsd # hack again
	TargetPlatform=i386-unknown-openbsd
	BuildPlatform=i386-unknown-openbsd
        HostPlatform_CPP='i386_unknown_openbsd'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='openbsd'
        ;;
177
i[[3456]]86-*-solaris2*)
178
179
180
181
182
183
184
185
	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'
        ;;
186
i[[3456]]86-*-cygwin*)
187
188
189
190
191
192
193
	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'
sof's avatar
sof committed
194
	exeext='.exe'
195
        ;;
sof's avatar
sof committed
196
197
198
199
200
201
202
203
204
205
i[[3456]]86-*-mingw32*)
	HostPlatform=i386-unknown-mingw32 # hack again
	TargetPlatform=i386-unknown-mingw32
	BuildPlatform=i386-unknown-mingw32
        HostPlatform_CPP='i386_unknown_mingw32'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='mingw32'
	exeext='.exe'
        ;;
206
207
208
209
210
211
212
213
214
215
216
217
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'
        ;;
218
i[[3456]]86-next-nextstep3)
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
	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'
        ;;
251
252
253
254
255
256
257
258
259
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'
        ;;
260
261
262
263
264
265
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'
266
267
268
        HostVendor_CPP='ibm'
        HostOS_CPP='aix'
        ;;
sebc's avatar
sebc committed
269
270
271
272
273
274
275
276
277
powerpc-apple-darwin*)
	HostPlatform=powerpc-apple-darwin
	TargetPlatform=powerpc-apple-darwin #hack
	BuildPlatform=powerpc-apple-darwin #hack
	HostPlatform_CPP='powerpc_apple_darwin'
	HostArch_CPP='powerpc'
	HostVendor_CPP='apple'
	HostOS_CPP='darwin'
	;;
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
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
sof's avatar
sof committed
301
echo "Canonicalised to: $HostPlatform"
302
303
test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
304
305
306
307
308
309

BuildPlatform_CPP=$HostPlatform_CPP
TargetPlatform_CPP=$HostPlatform_CPP
BuildArch_CPP=$HostArch_CPP
TargetArch_CPP=$HostArch_CPP
BuildOS_CPP=$HostOS_CPP
sof's avatar
sof committed
310
HostOS_Full=$host_os
311
312
313
TargetOS_CPP=$HostOS_CPP
BuildVendor_CPP=$HostVendor_CPP
TargetVendor_CPP=$HostVendor_CPP
314
315

dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
316
dnl AC_SUBST(BuildPlatform)
sof's avatar
sof committed
317

318
AC_SUBST(HostPlatform)
319
AC_SUBST(TargetPlatform)
320
321
322
AC_SUBST(HostPlatform_CPP)
dnl AC_SUBST(BuildPlatform_CPP)
dnl AC_SUBST(TargetPlatform_CPP)
sof's avatar
sof committed
323

324
325
326
AC_SUBST(HostArch_CPP)
dnl AC_SUBST(BuildArch_CPP)
dnl AC_SUBST(TargetArch_CPP)
sof's avatar
sof committed
327

328
AC_SUBST(HostOS_CPP)
sof's avatar
sof committed
329
AC_SUBST(HostOS_Full)
330
331
dnl AC_SUBST(BuildOS_CPP)
dnl AC_SUBST(TargetOS_CPP)
sof's avatar
sof committed
332

333
334
335
336
AC_SUBST(HostVendor_CPP)
dnl AC_SUBST(BuildVendor_CPP)
dnl AC_SUBST(TargetVendor_CPP)

sof's avatar
sof committed
337
338
AC_SUBST(exeext)

sof's avatar
sof committed
339
#
sof's avatar
sof committed
340
# The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
sof's avatar
sof committed
341
# (but with b-slashes being escaped).
sof's avatar
sof committed
342
case $HostPlatform in
sof's avatar
sof committed
343
  i386-unknown-mingw32 | i386-unknown-cygwin32)
sof's avatar
sof committed
344
  	# get rid off /cygdrive/ prefix
sof's avatar
sof committed
345
	hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
sof's avatar
sof committed
346
  	hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
sof's avatar
sof committed
347
348
349
350
351
	;;
  *)
  	hardtop_plat=${hardtop}
	;;
esac
sof's avatar
sof committed
352
AC_SUBST(hardtop)
sof's avatar
sof committed
353
354
AC_SUBST(hardtop_plat)

sof's avatar
sof committed
355
356
357
358
359
360
361
362
363
364
dnl --------------------------------------------------------------
dnl * Project specific configuration options
dnl --------------------------------------------------------------
dnl What follows is a bunch of options that can either be configured
dnl through command line options to the configure script or by
dnl supplying defns in the build tree's mk/build.mk. Having the option to
dnl use either is considered a Feature.

dnl ** What command to use to compile compiler sources ?
dnl --------------------------------------------------------------
365
366
367
368
369
370

AC_ARG_WITH(ghc,
[  --with-ghc=<haskell compiler>
        Use a command different from 'ghc' to compile GHC-specific Haskell code
	    (including GHC itself).
],
371
372
373
374
375
376
377
[ WithGhc="$withval" ],
[ 
  if test "$GHC" = ""; then
    AC_PATH_PROG(GHC,ghc)
  fi
  WithGhc=$GHC
]
378
379
380
)
AC_SUBST(WithGhc)

381
382
383
384
385
386
387
388
389
AC_ARG_WITH(hc,
[  --with-hc=<haskell compiler>
        Use a command different from 'ghc' to compile generic Haskell code.
],
[WithHc="$withval"],
[WithHc=$WithGhc]
)
AC_SUBST(WithHc)

390
391
392
393
394
395
396
397
398
399
400
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
fi

AC_PATH_PROGS(NHC,nhc nhc98)
AC_PATH_PROG(HBC,hbc)

sof's avatar
sof committed
401
402
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
sof's avatar
sof committed
403
404
405
406
AC_ARG_WITH(gcc,
[  --with-gcc=<gcc command>
        Use a different command instead of 'gcc' for the GNU C compiler.
],
407
408
[WhatGccIsCalled="$withval"
 CC="$withval"],
sof's avatar
sof committed
409
410
411
412
[WhatGccIsCalled="gcc"]
)
AC_SUBST(WhatGccIsCalled)

sof's avatar
sof committed
413
414
415
416
417
418
419
420
421
422
423
424
dnl ** Booting from .hc files?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hc-boot,
[  --enable-hc-boot
        Boot the Glasgow Haskell Compiler from intermediate .hc files.
        (This option is mostly of interest to porters.)
],
[BootingFromHc=YES],
[BootingFromHc=NO]
)
AC_SUBST(BootingFromHc)

ken's avatar
ken committed
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
dnl ** Booting from unregisterised .hc files?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hc-boot-unregisterised,
[  --enable-hc-boot-unregisterised
        With --enable-hc-boot, treat the intermediate .hc files as
        unregisterised rather than registerised code.
        (This option is mostly of interest to porters.)
],
[BootingFromUnregisterisedHc=YES],
[BootingFromUnregisterisedHc=NO]
)
AC_SUBST(BootingFromUnregisterisedHc)

if test "$BootingFromHc" = "NO"; then
if test "$BootingFromUnregisterisedHc" = "YES"; then
AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
fi;
fi;

sof's avatar
sof committed
444

sof's avatar
sof committed
445
446
447
448
449
450
451
452
453
454
455
dnl ** Enable multi-thread friendly RTS?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(threaded-rts,
[  --enable-threaded-rts
        Support better interop with OS threads.
],
[ThreadedRts=YES],
[ThreadedRts=NO]
)
AC_SUBST(ThreadedRts)

sof's avatar
sof committed
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
dnl ** Enable the construction of Win32 DLLs?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(win32-dlls,
[  --enable-win32-dlls
        If on a Win32 platform running mingw32/cygwin, enable the
	construction of DLLs containing ghc-compiled code.
],
[
case $HostOS_CPP in
cygwin32) ;;
mingw32)  ;;
*)    echo "Unrecognised win32 platform: $HostPlatform"
      exit 1
      ;;
esac
EnableWin32DLLs=YES
],
[EnableWin32DLLs=NO]
)
AC_SUBST(EnableWin32DLLs)
if test x"$EnableWin32DLLs" = "xYES" ; then
 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
fi

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
dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hopengl,
[  --enable-hopengl
        Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
        (This option is only relevant when hslibs are built.)
],
[GhcLibsWithHOpenGL=YES],
[GhcLibsWithHOpenGL=NO]
)
AC_SUBST(GhcLibsWithHOpenGL)

dnl ** Use a specific version of the GLUT API
dnl --------------------------------------------------------------
AC_ARG_WITH(glut-api,
[  --with-glut-api=<version>
        Use a specific version of the GLUT API when building HOpenGL.
])
test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"


dnl ** Use a specific version of the GLUT API
dnl --------------------------------------------------------------
AC_ARG_WITH(glut-xlib,
[  --with-glut-xlib=<version>
        Use a specific version of the GLUT Xlib implementation when building HOpenGL.
])
test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"


reid's avatar
reid committed
510
511


sof's avatar
sof committed
512
513
514
515
516
517
518
519
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
520

521
522
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
523

rrt's avatar
rrt committed
524
525
526
dnl ** look for `perl', but only in /bin on Windows
case $HostOS_CPP in
cygwin32|mingw32)
sof's avatar
sof committed
527
528
529
530
531
532
      AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
      if test -z "$PerlCmd"; then
         echo "You must install the version of Perl shipped with GHC"
         echo "(or a compatible one) in /bin."
         exit 1
      fi
rrt's avatar
rrt committed
533
534
535
536
537
538
539
540
541
542
543
544
   ;;
*)
   AC_PATH_PROG(PerlCmd,perl)
   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
   FPTOOLS_CHECK_PERL_VERSION
   fi
   ;;
esac
sof's avatar
sof committed
545

sof's avatar
sof committed
546
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
547
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
548

rrt's avatar
rrt committed
549
550
551
552
553
554
555
556
557
dnl ** look for GCC and find out which version
dnl     Figure out which C compiler to use.  Gcc is preferred.
dnl     If gcc, make sure it's at least 2.1
dnl
AC_PROG_CC
FPTOOLS_HAVE_GCC

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
558

sof's avatar
sof committed
559
560
561
562
563
564
565
566
dnl ** does the C compiler support the following options?
FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)

EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
AC_SUBST(SRC_CC_OPTS)
rrt's avatar
rrt committed
567

568
dnl ** figure out how to do context diffs
sof's avatar
sof committed
569
FPTOOLS_PROG_DIFF
sof's avatar
sof committed
570

rrt's avatar
rrt committed
571
dnl ** Find find command (for Win32's benefit)
sof's avatar
sof committed
572
FPTOOLS_FIND_FIND
sof's avatar
sof committed
573

574
dnl ** look for a decent parser generator (bison preferred)
sof's avatar
sof committed
575
576
dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
dnl  on the suitability of the 'yacc' returned.)
sof's avatar
sof committed
577
FPTOOLS_PROG_YACCY
578

sof's avatar
sof committed
579
580
581
582
dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
dnl    exists if 'flex' doesn't.
AC_PROG_LEX_STRICT
sof's avatar
sof committed
583

584
585
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
586

reid's avatar
reid committed
587
588
589
dnl If you can run configure, you certainly have /bin/sh
AC_DEFINE(HAVE_BIN_SH)

sof's avatar
sof committed
590
dnl ** how to invoke `ar' and `ranlib'
sof's avatar
sof committed
591
FPTOOLS_PROG_AR_AND_RANLIB
sof's avatar
sof committed
592

593
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
594
595
AC_PROG_LN_S

sof's avatar
sof committed
596
597

dnl ** Find the path to sed
sof's avatar
sof committed
598
599
AC_PATH_PROG(SedCmd,sed)

sof's avatar
sof committed
600
601

dnl ** check for time command
sof's avatar
sof committed
602
603
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
604
605
606

dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
607
AC_PATH_PROGS(TarCmd,gtar tar,tar)
sof's avatar
sof committed
608

sof's avatar
sof committed
609
dnl ** check for gzip/compress
610
611
AC_PATH_PROGS(CompressCmd,gzip compress,gzip)

chak's avatar
chak committed
612
dnl ** check for jade/openjade & determine a working catalog
rrt's avatar
rrt committed
613
AC_PATH_PROGS(JadeCmd,openjade jade,jade)
chak's avatar
chak committed
614
FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
rrt's avatar
rrt committed
615
                        /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
chak's avatar
chak committed
616
617
618
if test -z "$Catalog"; then
  AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
fi
sof's avatar
sof committed
619
620
621
622
623
624
625
626
627
628
case $Catalog in
   glafp*) 
	case $HostOS_CPP in
	   mingw32)
	      Catalog=`cygpath -w $hardtop/$Catalog`
	      ;;
	   *) Catalog=$hardtop/$Catalog
	      ;;
	esac
   ;;
rrt's avatar
rrt committed
629
esac   
chak's avatar
chak committed
630
AC_SUBST(Catalog)
rrt's avatar
rrt committed
631

632
633
634
635
636
637
638
639
640
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)
sof's avatar
sof committed
641

sof's avatar
sof committed
642
643
644
645
646
647
648
AC_ARG_ENABLE(src-tree-happy,
[  --enable-src-tree-happy
        Build and use source tree (fptools/happy) version of happy.
],
[UseSrcTreeHappy=YES],
[UseSrcTreeHappy=NO]
)
sof's avatar
sof committed
649
dnl ** check for installed happy binary + version
sof's avatar
sof committed
650
dnl    (don't do it if we're booting from .hc files though.)
651
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
652
FPTOOLS_HAPPY
sof's avatar
sof committed
653
fi;
sof's avatar
sof committed
654

sof's avatar
sof committed
655
656
657
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
658

sof's avatar
sof committed
659
660
661
dnl --------------------------------------------------
dnl * Platform header file and syscall feature tests
dnl ### checking the state of the local header files and syscalls ###
sof's avatar
sof committed
662

663
664
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
665

666
dnl ** check for specific header (.h) files that we are interested in
sof's avatar
sof committed
667
AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h)
668
669
670
671
672
673
674
675
676
677
678
679

AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)

if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
  HaveReadlineHeaders=YES
  AC_DEFINE(HAVE_READLINE_HEADERS,1)
else
  HaveReadlineHeaders=NO
  AC_DEFINE(HAVE_READLINE_HEADERS,0)
fi
AC_SUBST(HaveReadlineHeaders)
reid's avatar
reid committed
680
681
682
683
684
685

dnl ** check for DOS include files
AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 

dnl ** check for Windows include files
AC_CHECK_HEADERS(windows.h)
686
687
688

dnl ** check for OpenGL include files
AC_CHECK_HEADERS(GL/gl.h)
sof's avatar
sof committed
689

690
691
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
692

reid's avatar
reid committed
693
694
695
696
697
698
699
700
701
dnl dynamic loading include files
AC_CHECK_HEADERS(dlfcn.h dl.h) 

dnl ** check for farcalloc (in bcc)
AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))

dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))

702
703
704
705
706
dnl ** check for POSIX regex
HavePosixRegex=NO
AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
AC_SUBST(HavePosixRegex)

sof's avatar
sof committed
707
dnl ** how do we get a timezone name, and UTC offset ?
708
AC_STRUCT_TIMEZONE
sof's avatar
sof committed
709

reid's avatar
reid committed
710
dnl ** what's the type of timezone?
sof's avatar
sof committed
711
FPTOOLS_HAVE_TIMEZONE
sof's avatar
sof committed
712
FPTOOLS_TYPE_TIMEZONE
sof's avatar
sof committed
713

reid's avatar
reid committed
714
dnl ** do we have altzone?
sof's avatar
sof committed
715
FPTOOLS_ALTZONE
sof's avatar
sof committed
716

sof's avatar
sof committed
717
718
719
dnl ** does struct stat contain st_blksize?
AC_STRUCT_ST_BLKSIZE

720
721
722
dnl ** do we have long longs?
FPTOOLS_C_LONG_LONG

reid's avatar
reid committed
723
724
dnl ** what are the sizes of various types
dnl    (these must come before GHC_CHECK_ALIGNMENT)
725
AC_CHECK_SIZEOF(char,               1)
726
727
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
728
729
730
731
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
if test "$fptools_cv_have_long_long" = yes; then
AC_CHECK_SIZEOF(long long,          8)
732
733
734
735
736
737
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
if test "$fptools_cv_have_long_long" = yes; then
738
739
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
740
AC_CHECK_SIZEOF(unsigned short,     2)
741
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
742
743

dnl ** what are alignment constraints on various types
744
FPTOOLS_CHECK_ALIGNMENT(char)
745
746
FPTOOLS_CHECK_ALIGNMENT(double)
FPTOOLS_CHECK_ALIGNMENT(float)
747
FPTOOLS_CHECK_ALIGNMENT(int)
sof's avatar
sof committed
748
FPTOOLS_CHECK_ALIGNMENT(long)
749
750
if test "$fptools_cv_have_long_long" = yes; then
FPTOOLS_CHECK_ALIGNMENT(long long)
751
752
753
754
755
756
fi
FPTOOLS_CHECK_ALIGNMENT(short)
FPTOOLS_CHECK_ALIGNMENT(unsigned char)
FPTOOLS_CHECK_ALIGNMENT(unsigned int)
FPTOOLS_CHECK_ALIGNMENT(unsigned long)
if test "$fptools_cv_have_long_long" = yes; then
757
758
FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
fi
759
FPTOOLS_CHECK_ALIGNMENT(unsigned short)
760
FPTOOLS_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
761

762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
dnl ** map standard C types and ISO types to Haskell types
FPTOOLS_CHECK_HTYPE(char)
FPTOOLS_CHECK_HTYPE(signed char)
FPTOOLS_CHECK_HTYPE(unsigned char)
FPTOOLS_CHECK_HTYPE(short)
FPTOOLS_CHECK_HTYPE(unsigned short)
FPTOOLS_CHECK_HTYPE(int)
FPTOOLS_CHECK_HTYPE(unsigned int)
FPTOOLS_CHECK_HTYPE(long)
FPTOOLS_CHECK_HTYPE(unsigned long)
if test "$fptools_cv_have_long_long" = yes; then
FPTOOLS_CHECK_HTYPE(long long)
FPTOOLS_CHECK_HTYPE(unsigned long long)
fi
FPTOOLS_CHECK_HTYPE(float)
FPTOOLS_CHECK_HTYPE(double)
FPTOOLS_CHECK_HTYPE(ptrdiff_t)
FPTOOLS_CHECK_HTYPE(size_t)
FPTOOLS_CHECK_HTYPE(wchar_t)
781
782
dnl Int32 is a HACK for non-ISO C compilers
FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
783
784
FPTOOLS_CHECK_HTYPE(clock_t)
FPTOOLS_CHECK_HTYPE(time_t)
sof's avatar
sof committed
785
786
787
788
789
790
791
792
793
794
795
796
797
FPTOOLS_CHECK_HTYPE(dev_t, Word32)
FPTOOLS_CHECK_HTYPE(ino_t)
FPTOOLS_CHECK_HTYPE(mode_t)
FPTOOLS_CHECK_HTYPE(off_t)
FPTOOLS_CHECK_HTYPE(pid_t)
FPTOOLS_CHECK_HTYPE(size_t)
FPTOOLS_CHECK_HTYPE(gid_t)
FPTOOLS_CHECK_HTYPE(uid_t)
FPTOOLS_CHECK_HTYPE(cc_t)
FPTOOLS_CHECK_HTYPE(speed_t)
FPTOOLS_CHECK_HTYPE(tcflag_t)
FPTOOLS_CHECK_HTYPE(nlink_t)
FPTOOLS_CHECK_HTYPE(ssize_t)
798

799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
dnl ** Map OpenGL data types to Haskell types
if test $GhcLibsWithHOpenGL = YES ; then
FPTOOLS_CHECK_HTYPE(GLboolean)
FPTOOLS_CHECK_HTYPE(GLbyte)
FPTOOLS_CHECK_HTYPE(GLubyte)
FPTOOLS_CHECK_HTYPE(GLshort)
FPTOOLS_CHECK_HTYPE(GLushort)
FPTOOLS_CHECK_HTYPE(GLint)
FPTOOLS_CHECK_HTYPE(GLuint)
FPTOOLS_CHECK_HTYPE(GLsizei)
FPTOOLS_CHECK_HTYPE(GLenum)
FPTOOLS_CHECK_HTYPE(GLbitfield)
FPTOOLS_CHECK_HTYPE(GLfloat)
FPTOOLS_CHECK_HTYPE(GLclampf)
FPTOOLS_CHECK_HTYPE(GLdouble)
FPTOOLS_CHECK_HTYPE(GLclampd)
fi

sof's avatar
sof committed
817
818
819
dnl ** can we open files in binary mode?
FPTOOLS_O_BINARY

reid's avatar
reid committed
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
dnl ** check for GetModuleFileName and WinExec (windows only)
dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
dnl Doesn't work because the linker can't see the functions if
dnl you omit the #include <windows.h>.  (I've no idea why not...)

FPTOOLS_TRY_LINK_NOWARN(,[
#if HAVE_WINDOWS_H
#include <windows.h>
#endif
main() { 
  WinExec("",0);
  exit(0);
}
],
[have_winexec=1],
[have_winexec=0])
if test "$have_winexec" = "1"; then
AC_DEFINE(HAVE_WINEXEC)
fi

FPTOOLS_TRY_LINK_NOWARN(,[
#if HAVE_WINDOWS_H
#include <windows.h>
#endif
main() { 
  char* dir;
  GetModuleFileName((HMODULE)0,dir,0);
  exit(0);
}
],
[have_getmodulefilename=1],
[have_getmodulefilename=0])
if test "$have_getmodulefilename" = "1"; then
AC_DEFINE(HAVE_GETMODULEFILENAME)
fi

dnl ** check return type of signal handlers
dnl Foo: assumes we can use prototypes.
dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
dnl [AC_TRY_COMPILE([#include <sys/types.h>
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
dnl ],
dnl [int i;], 
dnl ac_cv_type_signal_handler=void_int,
dnl ac_cv_type_signal_handler=int_void)])
dnl if test "$ac_cv_type_signal_handler" = void_int; then
dnl AC_DEFINE(VOID_INT_SIGNALS)
dnl fi

dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
AC_TYPE_SIGNAL
if test "$ac_cv_type_signal" = void; then
AC_DEFINE(VOID_INT_SIGNALS)
fi

dnl ** check for more functions
AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
AC_CHECK_FUNCS(strcmp)
AC_CHECK_FUNCS(realpath _fullpath)  
AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
AC_CHECK_FUNCS(vsnprintf _vsnprintf)
AC_CHECK_FUNCS(snprintf  _snprintf )  
AC_CHECK_FUNCS(popen     _popen )  
AC_CHECK_FUNCS(pclose    _pclose )  


892
dnl ** check for specific library functions that we are interested in
sof's avatar
sof committed
893
AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)
sof's avatar
sof committed
894

895
dnl ** check whether this machine has gmp3 installed
896
897
AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
  AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
898
    HaveLibGmp=No; LibGmp=not-installed))
899
AC_SUBST(HaveLibGmp)
900
AC_SUBST(LibGmp)
901

902
903
904
dnl ** check whether this machine has GNU regex in libc.
FPTOOLS_REGEX_IN_LIBC

reid's avatar
reid committed
905
dnl ** check whether this machine has BFD and liberty installed (used for debugging)
sof's avatar
sof committed
906
dnl    the order of these tests matters: bfd needs liberty
reid's avatar
reid committed
907
908
AC_CHECK_LIB(iberty, xmalloc)
AC_CHECK_LIB(bfd,    bfd_init)
reid's avatar
reid committed
909

910
911
912
913
914
915
916
917
918
919
920
921
dnl ** check for readline, for Hugs and hslibs' Readline
dnl ncurses supersedes termcap and curses, but for compatibility,
dnl we have to check for all...
AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
  AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
    AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
      HaveLibTermcap=NO; LibTermcap=not-installed)))

if test $HaveLibTermcap = YES ; then
  LIBS="-l$LibTermcap $LIBS"
  AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
fi
922

923
924
if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
  AC_DEFINE(HAVE_READLINE_LIBS,1)
925
  LibsReadline="readline $LibTermcap"
926
927
928
929
930
else
  AC_DEFINE(HAVE_READLINE_LIBS,0)
  LibsReadline=
fi
AC_SUBST(LibsReadline)
931

932
933
934
935
if test "$HaveLibReadline"; then
  AC_CHECK_LIB(readline, rl_erase_empty_line,
    [AC_DEFINE(HAVE_READLINE_4, 1)],
    [AC_DEFINE(HAVE_READLINE_4, 0)])
936
937
938
  AC_CHECK_LIB(readline, rl_free_undo_list,
    [AC_DEFINE(HAVE_READLINE_4_2, 1)],
    [AC_DEFINE(HAVE_READLINE_4_2, 0)])
939
940
else
  AC_DEFINE(HAVE_READLINE_4, 0)
941
  AC_DEFINE(HAVE_READLINE_4_2, 0)
942
943
fi

sebc's avatar
sebc committed
944
945
946
947
dnl ** check for math library
FPTOOLS_CHECK_LIBM()
AC_SUBST(LIBM)

reid's avatar
reid committed
948
949
950
951
952
953
case $HostOS_CPP in
cygwin32) ;;
mingw32)  ;;
*) AC_PATH_XTRA() ;;
esac

reid's avatar
reid committed
954
955
956
957
dnl ################################################################
dnl Check for libraries
dnl ################################################################

958
959
960
961
962
963
AC_CHECK_LIB(dl, dlopen, 
	[HaveLibDL=YES
	 AC_DEFINE(HAVE_LIBDL)
	 LIBS="$LIBS -ldl"], 
	[HaveLibDL=NO])
AC_CHECK_FUNCS(dlopen)
964
965
AC_SUBST(HaveLibDL)

reid's avatar
reid committed
966
FPTOOLS_CHECK_LIB_NOWARN(m, atan)
sof's avatar
sof committed
967
968

dnl --------------------------------------------------
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
dnl * test for GTK+
dnl --------------------------------------------------

AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
if test "$GTK_CONFIG" != ""; then
   AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
	fptools_cv_gtk_version=`$GTK_CONFIG --version`
    ])
    GTK_VERSION=$fptools_cv_gtk_version
else
    GTK_VERSION=
fi

case $fptools_cv_gtk_version in
  1.[[23]].*) ;;
  *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
     GTK_CONFIG=
     ;;
esac

AC_SUBST(GTK_CONFIG)
AC_SUBST(GTK_VERSION)

dnl --------------------------------------------------
sof's avatar
sof committed
993
994
995
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
996
dnl ** can we get alloca?
997
AC_FUNC_ALLOCA
sof's avatar
sof committed
998

999
1000
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
1001

reid's avatar
reid committed
1002
1003
1004
dnl ** determine whether ANSI-function prototypes work?
AC_C_PROTOTYPES          

1005
1006
dnl ** are we big endian?
AC_C_BIGENDIAN
sof's avatar
sof committed
1007
# Allay users' general fear of warnings of any kind.
1008
1009
1010
errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
)
errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
sof's avatar
sof committed
1011
)
sof's avatar
sof committed
1012

1013
dnl ** check for leading underscores in symbol names
sof's avatar
sof committed
1014
FPTOOLS_UNDERSCORE
1015

sof's avatar
sof committed
1016
1017
1018
1019
1020
1021
1022
1023
1024
dnl ** how is the end of text section signalled?
FPTOOLS_END_TEXT_SECTION

dnl ** how is the end of data section signalled?
FPTOOLS_END_DATA_SECTION

dnl ** code before data?
FPTOOLS_CODE_BEFORE_DATA

1025
dnl ** check for ld, and whether ld has -x option
sof's avatar
sof committed
1026
1027
1028
1029
1030
1031
1032
1033
AC_PATH_PROG(LdCmdRaw, ld)
case $HostOS_CPP in
 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
 	   ;;
 *) LdCmd=${LdCmdRaw}
    ;;
esac
AC_SUBST(LdCmd)
1034
FPTOOLS_LD_X
sof's avatar
sof committed
1035

1036
AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )