configure.ac 42.2 KB
Newer Older
1
dnl == autoconf source for the Glasgow FP tools ==
2
dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
sof's avatar
sof committed
3
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

19 20 21 22
dnl * We require autoconf version 2.52
dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
AC_PREREQ(2.52)
23

chak's avatar
chak committed
24 25 26
dnl * Declare subdirectories that have a private configure script
dnl
dnl After the toplevel configuration is complete, the script will recurse into
27 28 29
dnl these subdirectories if they exist. The use of a cache file makes repeated
dnl checks cheap.
AC_CONFIG_SUBDIRS([ghc libraries])
chak's avatar
chak committed
30

31 32 33
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
34 35
#
AC_CONFIG_HEADER(mk/config.h)
36

sof's avatar
sof committed
37
# No, semi-sadly, we don't do `--srcdir'...
38
if test x"$srcdir" != 'x.' ; then
39
    echo "This configuration does not support the \`--srcdir' option.."
40 41 42
    exit 1
fi

sof's avatar
sof committed
43 44 45 46 47
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------

dnl Guess host/target/build platform(s) if necessary.
48
AC_CANONICAL_SYSTEM
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

# "$host" defaults to "$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
64 65

exeext=''
66
#
67 68 69 70 71
# 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
72
alpha*-dec-osf[[12]]*)
73
	HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
74
	TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
75
	BuildPlatform=alpha-dec-osf1  # hack
76 77 78 79 80
        HostPlatform_CPP='alpha_dec_osf1'
        HostArch_CPP='alpha'
        HostVendor_CPP='dec'
        HostOS_CPP='osf1'
        ;;
ken's avatar
ken committed
81
alpha*-dec-osf[[345]]*)
82 83 84 85 86 87 88 89
	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'
        ;;
90
alpha*-unknown-linux*)
91 92 93 94 95 96 97 98
	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
99
alpha*-unknown-freebsd*)
100 101 102 103 104 105 106 107
	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'
        ;;
108
hppa1.1-hp-hpux*)
109
	HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
110 111 112 113 114 115 116
	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'
        ;;
117
i[[3456]]86-*-linuxaout*)
118
	HostPlatform=i386-unknown-linuxaout   # hack again
119 120 121 122 123 124 125
	TargetPlatform=i386-unknown-linuxaout
	BuildPlatform=i386-unknown-linuxaout
        HostPlatform_CPP='i386_unknown_linuxaout'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='linuxaout'
        ;;
126
i[[3456]]86-*-linux*)
127 128 129 130 131 132 133 134
	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'
        ;;
135
i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
136 137 138 139
	HostPlatform=i386-unknown-freebsd # hack again
	TargetPlatform=i386-unknown-freebsd
	BuildPlatform=i386-unknown-freebsd
        HostPlatform_CPP='i386_unknown_freebsd'
140 141
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
142
        HostOS_CPP='freebsd'
143 144 145 146 147 148 149 150 151
        ;;
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'
152
        ;;
153 154 155 156
i[[3456]]86-*-netbsd*)
	HostPlatform=i386-unknown-netbsd # hack again
	TargetPlatform=i386-unknown-netbsd
	BuildPlatform=i386-unknown-netbsd
157 158 159 160 161
        HostPlatform_CPP='i386_unknown_netbsd'
        HostArch_CPP='i386'
        HostVendor_CPP='unknown'
        HostOS_CPP='netbsd'
        ;;
162 163 164 165 166 167 168 169 170
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'
        ;;
171
i[[3456]]86-*-solaris2*)
172 173 174 175 176 177 178 179
	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'
        ;;
180
i[[3456]]86-*-cygwin*)
181 182 183 184 185 186 187
	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
188
	exeext='.exe'
189
        ;;
sof's avatar
sof committed
190 191 192 193 194 195 196 197 198 199
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'
        ;;
200 201 202 203 204 205 206 207 208
ia64-*-linux*)
        HostPlatform=ia64-unknown-linux # hack again
        TargetPlatform=ia64-unknown-linux
        BuildPlatform=ia64-unknown-linux
        HostPlatform_CPP='ia64_unknown_linux'
        HostArch_CPP='ia64'
        HostVendor_CPP='unknown'
        HostOS_CPP='linux'
        ;;
209 210 211 212 213 214 215 216 217 218 219 220
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'
        ;;
221
i[[3456]]86-next-nextstep3)
222 223 224 225 226 227 228 229
	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'
        ;;
chak's avatar
chak committed
230 231 232 233 234 235 236 237 238
m68k-*-openbsd*)
	HostPlatform=m68k-unknown-openbsd
	TargetPlatform=m68k-unknown-openbsd
	BuildPlatform=m68k-unknown-openbsd
        HostPlatform_CPP='m68k_unknown_openbsd'
        HostArch_CPP='m68k'
        HostVendor_CPP='unknown'
        HostOS_CPP='openbsd'
        ;;
dons's avatar
dons committed
239 240 241 242 243 244 245 246 247
m68k-apple-netbsd*)
	HostPlatform=m68k-apple-netbsd
	TargetPlatform=m68k-apple-netbsd
	BuildPlatform=m68k-apple-netbsd
        HostPlatform_CPP='m68k_apple_netbsd'
        HostArch_CPP='m68k'
        HostVendor_CPP='apple'
        HostOS_CPP='netbsd'
        ;;
248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271
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'
        ;;
272 273 274 275 276 277 278 279 280
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'
        ;;
281 282 283 284 285 286
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'
287 288 289
        HostVendor_CPP='ibm'
        HostOS_CPP='aix'
        ;;
sebc's avatar
sebc committed
290 291 292 293 294 295 296 297 298
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'
	;;
299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
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'
        ;;
317 318 319 320 321 322 323 324 325
sparc*-linux*)
        HostPlatform=sparc-unknown-linux
        TargetPlatform=sparc-unknown-linux
        BuildPlatform=sparc-unknown-linux
        HostPlatform_CPP='sparc_unknown_linux'
        HostArch_CPP='sparc'
        HostVendor_CPP='unknown'
        HostOS_CPP='linux'
        ;;
dons's avatar
dons committed
326 327 328 329 330 331 332 333 334
sparc-*-openbsd*)
        HostPlatform=sparc-unknown-openbsd
        TargetPlatform=sparc-unknown-openbsd
        BuildPlatform=sparc-unknown-openbsd
        HostPlatform_CPP='sparc_unknown_openbsd'
        HostArch_CPP='sparc'
        HostVendor_CPP='unknown'
        HostOS_CPP='openbsd'
        ;;
335 336 337 338 339
*)
        echo "Unrecognised platform: $HostPlatform"
        exit 1
        ;;
esac
sof's avatar
sof committed
340
echo "Canonicalised to: $HostPlatform"
341 342
test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
343 344 345 346 347 348

BuildPlatform_CPP=$HostPlatform_CPP
TargetPlatform_CPP=$HostPlatform_CPP
BuildArch_CPP=$HostArch_CPP
TargetArch_CPP=$HostArch_CPP
BuildOS_CPP=$HostOS_CPP
sof's avatar
sof committed
349
HostOS_Full=$host_os
350 351 352
TargetOS_CPP=$HostOS_CPP
BuildVendor_CPP=$HostVendor_CPP
TargetVendor_CPP=$HostVendor_CPP
353 354

dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
355
dnl AC_SUBST(BuildPlatform)
sof's avatar
sof committed
356

357
AC_SUBST(HostPlatform)
358
AC_SUBST(TargetPlatform)
359 360 361
AC_SUBST(HostPlatform_CPP)
dnl AC_SUBST(BuildPlatform_CPP)
dnl AC_SUBST(TargetPlatform_CPP)
sof's avatar
sof committed
362

363 364 365
AC_SUBST(HostArch_CPP)
dnl AC_SUBST(BuildArch_CPP)
dnl AC_SUBST(TargetArch_CPP)
sof's avatar
sof committed
366

367
AC_SUBST(HostOS_CPP)
sof's avatar
sof committed
368
AC_SUBST(HostOS_Full)
369 370
dnl AC_SUBST(BuildOS_CPP)
dnl AC_SUBST(TargetOS_CPP)
sof's avatar
sof committed
371

372 373 374 375
AC_SUBST(HostVendor_CPP)
dnl AC_SUBST(BuildVendor_CPP)
dnl AC_SUBST(TargetVendor_CPP)

sof's avatar
sof committed
376 377
AC_SUBST(exeext)

378 379 380 381 382 383 384 385 386 387 388 389 390 391
dnl --------------------------------------------------------------
dnl * Calculate absolute path to build tree
dnl --------------------------------------------------------------

AC_MSG_CHECKING(for path to top of build tree)

hardtop=`pwd`

dnl Remove common automounter nonsense
dnl
hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `

dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
dnl
sof's avatar
sof committed
392
case $HostPlatform in
sof's avatar
sof committed
393
  i386-unknown-mingw32 | i386-unknown-cygwin32)
394 395
  	# convert $hardtop to a path that mingw will understand too
	cyghardtop=${hardtop}
sof's avatar
sof committed
396
	hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
397
  	hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
sof's avatar
sof committed
398 399 400 401 402
	;;
  *)
  	hardtop_plat=${hardtop}
	;;
esac
sof's avatar
sof committed
403
AC_SUBST(hardtop)
sof's avatar
sof committed
404 405
AC_SUBST(hardtop_plat)

406 407
AC_MSG_RESULT(${hardtop})

sof's avatar
sof committed
408 409 410 411 412 413 414 415 416 417
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 --------------------------------------------------------------
418 419 420 421 422 423

AC_ARG_WITH(ghc,
[  --with-ghc=<haskell compiler>
        Use a command different from 'ghc' to compile GHC-specific Haskell code
	    (including GHC itself).
],
424 425 426 427 428 429 430
[ WithGhc="$withval" ],
[ 
  if test "$GHC" = ""; then
    AC_PATH_PROG(GHC,ghc)
  fi
  WithGhc=$GHC
]
431 432 433
)
AC_SUBST(WithGhc)

434 435 436 437 438 439 440 441 442
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)

443 444 445 446 447 448 449 450 451 452 453
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
454 455
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
sof's avatar
sof committed
456 457 458 459
AC_ARG_WITH(gcc,
[  --with-gcc=<gcc command>
        Use a different command instead of 'gcc' for the GNU C compiler.
],
460
[WhatGccIsCalled="$withval"
sof's avatar
sof committed
461 462 463 464
 if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
    # Canonicalise to <drive>:/path/to/gcc
    withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 fi;
465
 CC="$withval"],
sof's avatar
sof committed
466 467 468 469
[WhatGccIsCalled="gcc"]
)
AC_SUBST(WhatGccIsCalled)

sof's avatar
sof committed
470 471 472 473 474 475 476 477 478 479 480 481
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
482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500
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;

501 502 503 504
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
fi;
sof's avatar
sof committed
505

sof's avatar
sof committed
506 507 508 509 510 511 512 513 514 515 516
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
517 518
dnl ** Enable the construction of Win32 DLLs?
dnl --------------------------------------------------------------
sof's avatar
sof committed
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
dnl
dnl [ The ability to build the RTS and libraries as separate DLLs used
dnl   to be supported, but isn't currently (updates to the RTS, compiler 
dnl   and build system would be required to bring it back again.)
dnl   Hence, exposing it as an option is false advertisement, so better
dnl   disable it to avoid confusion (but leave it commented-out rather
dnl   than removed in order to remind ourselves to bring back the 
dnl   feature at some stage.) ]
dnl
dnl AC_ARG_ENABLE(win32-dlls,
dnl [  --enable-win32-dlls
dnl         If on a Win32 platform running mingw32/cygwin, enable the
dnl 	construction of DLLs containing ghc-compiled code.
dnl ],
dnl [
dnl case $HostOS_CPP in
dnl cygwin32) ;;
dnl mingw32)  ;;
dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
dnl       exit 1
dnl       ;;
dnl esac
dnl EnableWin32DLLs=YES
dnl ],
dnl [EnableWin32DLLs=NO]
dnl )
dnl AC_SUBST(EnableWin32DLLs)
dnl if test x"$EnableWin32DLLs" = "xYES" ; then
dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
dnl fi
sof's avatar
sof committed
549

550 551 552 553 554 555 556 557 558 559 560
dnl ** Enable the building of the ObjectIO?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(objectio,
[  --enable-objectio
        Build ObjectIO, a portable GUI library for Haskell.
],
[GhcLibsWithObjectIO=YES],
[GhcLibsWithObjectIO=NO]
)
AC_SUBST(GhcLibsWithObjectIO)

561 562 563 564
dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hopengl,
[  --enable-hopengl
565
        Build HOpenGL, a Haskell binding for OpenGL/GLUT.
566 567
        On Mac OS X, use --enable-hopengl=x11 to use X11 instead
        of the "native" libraries.
568 569 570 571
],
[GhcLibsWithHOpenGL=YES],
[GhcLibsWithHOpenGL=NO]
)
572 573 574
UseQuartzOpenGL=NO
if test x"$TargetOS_CPP" = x"darwin"; then
  if test x"$enable_hopengl" != x"x11"; then
575 576
    AC_DEFINE([USE_QUARTZ_OPENGL], [1],
              [Define to 1 if native OpenGL should be used on Mac OS X])
577 578 579 580
    UseQuartzOpenGL=YES
  fi
fi

581 582
AC_SUBST(GhcLibsWithHOpenGL)

sof's avatar
sof committed
583 584 585 586 587 588
dnl ** .NET interop support?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(dotnet,
[  --enable-dotnet
        Build .NET interop layer.
],
589
[DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
sof's avatar
sof committed
590 591 592 593
[DotnetSupport=NO]
)
AC_SUBST(DotnetSupport)

sof's avatar
sof committed
594 595 596 597 598 599 600 601
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
602

603 604
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
605

rrt's avatar
rrt committed
606 607 608
dnl ** look for `perl', but only in /bin on Windows
case $HostOS_CPP in
cygwin32|mingw32)
sof's avatar
sof committed
609 610 611 612 613 614
      AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
      if test -z "$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
615 616 617 618 619 620 621 622 623 624 625 626
   ;;
*)
   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
627

sof's avatar
sof committed
628
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
629
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
630

631 632 633
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
634 635 636 637 638 639
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
640
FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
rrt's avatar
rrt committed
641 642 643

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
644

645 646 647
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

648 649 650 651
dnl ** Try to add -mno-cygwin to the C compiler options
FP_CHECK_FLAG([-mno-cygwin], [
SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
CPPFLAGS="-mno-cygwin $CPPFLAGS"])
652
AC_SUBST(SRC_CC_OPTS)
rrt's avatar
rrt committed
653

654
dnl ** figure out how to do context diffs
655
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
656

rrt's avatar
rrt committed
657
dnl ** Find find command (for Win32's benefit)
sof's avatar
sof committed
658
FPTOOLS_FIND_FIND
sof's avatar
sof committed
659

660 661
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
662

reid's avatar
reid committed
663
dnl If you can run configure, you certainly have /bin/sh
664
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
665

sof's avatar
sof committed
666
dnl ** how to invoke `ar' and `ranlib'
sof's avatar
sof committed
667
FPTOOLS_PROG_AR_AND_RANLIB
sof's avatar
sof committed
668

669
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
670 671
AC_PROG_LN_S

sof's avatar
sof committed
672 673

dnl ** Find the path to sed
sof's avatar
sof committed
674 675
AC_PATH_PROG(SedCmd,sed)

sof's avatar
sof committed
676 677

dnl ** check for time command
sof's avatar
sof committed
678 679
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
680 681
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
682
AC_PATH_PROGS(TarCmd,gtar tar,tar)
sof's avatar
sof committed
683

chak's avatar
chak committed
684
dnl ** check for jade/openjade & determine a working catalog
rrt's avatar
rrt committed
685
AC_PATH_PROGS(JadeCmd,openjade jade,jade)
chak's avatar
chak committed
686
FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
chak's avatar
chak committed
687
                        /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
chak's avatar
chak committed
688 689 690
if test -z "$Catalog"; then
  AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
fi
sof's avatar
sof committed
691
case $Catalog in
sof's avatar
sof committed
692 693 694
   yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
        Catalog=
   	;;
sof's avatar
sof committed
695 696 697 698 699 700 701 702 703
   glafp*) 
	case $HostOS_CPP in
	   mingw32)
	      Catalog=`cygpath -w $hardtop/$Catalog`
	      ;;
	   *) Catalog=$hardtop/$Catalog
	      ;;
	esac
   ;;
rrt's avatar
rrt committed
704
esac   
chak's avatar
chak committed
705
AC_SUBST(Catalog)
rrt's avatar
rrt committed
706

sof's avatar
sof committed
707

reid's avatar
reid committed
708
dnl ** check for ghc-pkg command
709 710 711 712 713 714 715 716 717
changequote(, )dnl
ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
changequote([, ])dnl
if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
   GhcPkgCmd=$ghc_pkg_guess
   AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
else
   AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
fi
reid's avatar
reid committed
718 719 720 721 722 723 724 725 726 727 728

AC_ARG_WITH(greencard,
[  --with-greencard=<greencard compiler>
        Use a command different from 'green-card' to compile GreenCard files
],
[
GreencardCmd=$withval;
FPTOOLS_GREENCARD(3.00)
]
)

sof's avatar
sof committed
729 730
AC_ARG_ENABLE(src-tree-happy,
[  --enable-src-tree-happy
731
        Build and use source tree (fptools/happy) version of Happy.
sof's avatar
sof committed
732 733 734 735
],
[UseSrcTreeHappy=YES],
[UseSrcTreeHappy=NO]
)
sof's avatar
sof committed
736
dnl ** check for installed happy binary + version
sof's avatar
sof committed
737
dnl    (don't do it if we're booting from .hc files though.)
738
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
739
FPTOOLS_HAPPY
sof's avatar
sof committed
740
fi;
sof's avatar
sof committed
741

742 743
AC_ARG_ENABLE(src-tree-haddock,
[  --enable-src-tree-haddock
744
        Build and use source tree (fptools/haddock) version of Haddock.
745 746 747 748 749 750 751
],
[UseSrcTreeHaddock=YES],
[UseSrcTreeHaddock=NO]
)
dnl ** check for installed haddock
FPTOOLS_HADDOCK

752 753 754 755 756 757 758 759 760 761 762 763 764
AC_ARG_ENABLE(src-tree-alex,
[  --enable-src-tree-alex
        Build and use source tree (fptools/alex) version of Alex.
],
[UseSrcTreeAlex=YES],
[UseSrcTreeAlex=NO]
)
dnl ** check for installed alex binary + version
dnl    (don't do it if we're booting from .hc files though.)
if test "$BootingFromHc" = "NO"; then
FPTOOLS_ALEX
fi;

sof's avatar
sof committed
765 766 767
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
768

sof's avatar
sof committed
769 770 771
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
772

773 774
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
775

776 777 778 779
dnl ** Enable large file support.  NB. do this before testing the type of
dnl    off_t, because it will affect the result of that test.
AC_SYS_LARGEFILE

780
dnl ** check for specific header (.h) files that we are interested in
781
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 locale.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 bfd.h winsock.h pthread.h sys/uio.h)
ross's avatar
ross committed
782
AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
783

ross's avatar
ross committed
784 785
AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
786 787 788

if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
  HaveReadlineHeaders=YES
789
  AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
790 791
else
  HaveReadlineHeaders=NO
792
  AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
793 794
fi
AC_SUBST(HaveReadlineHeaders)
reid's avatar
reid committed
795 796 797 798 799 800

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)
801 802

dnl ** check for OpenGL include files
803 804 805 806 807
if test $UseQuartzOpenGL = YES ; then
  AC_CHECK_HEADERS(OpenGL/gl.h)
else
  AC_CHECK_HEADERS(GL/gl.h)
fi
sof's avatar
sof committed
808

809 810
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
811

reid's avatar
reid committed
812 813 814 815
dnl dynamic loading include files
AC_CHECK_HEADERS(dlfcn.h dl.h) 

dnl ** check for farcalloc (in bcc)
ross's avatar
ross committed
816
AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
reid's avatar
reid committed
817 818

dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
ross's avatar
ross committed
819
AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
reid's avatar
reid committed
820

821 822
dnl ** check for POSIX regex
HavePosixRegex=NO
ross's avatar
ross committed
823
AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
824 825
AC_SUBST(HavePosixRegex)

sof's avatar
sof committed
826
dnl ** how do we get a timezone name, and UTC offset ?
827
AC_STRUCT_TIMEZONE
sof's avatar
sof committed
828

reid's avatar
reid committed
829
dnl ** do we have altzone?
830
FP_DECL_ALTZONE
sof's avatar
sof committed
831

sof's avatar
sof committed
832 833 834
dnl ** does struct stat contain st_blksize?
AC_STRUCT_ST_BLKSIZE

835
dnl ** do we have long longs?
836
AC_CHECK_TYPES([long long])
837

sof's avatar
sof committed
838
dnl ** check what fields struct msghdr contains
839 840 841 842 843 844 845 846 847 848
AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#if HAVE_SYS_UIO_H
# include <sys/uio.h>
#endif])
sof's avatar
sof committed
849

reid's avatar
reid committed
850
dnl ** what are the sizes of various types
851
AC_CHECK_SIZEOF(char,               1)
852 853
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
854 855
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
856
if test "$ac_cv_type_long_long" = yes; then
857
AC_CHECK_SIZEOF(long long,          8)
858 859 860 861 862
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
863
if test "$ac_cv_type_long_long" = yes; then
864 865
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
866
AC_CHECK_SIZEOF(unsigned short,     2)
867
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
868 869

dnl ** what are alignment constraints on various types
870 871 872 873 874 875 876
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
877
fi
878 879 880 881 882 883
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
884
fi
885 886
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
887

888 889 890 891 892 893 894 895 896 897
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)
898
if test "$ac_cv_type_long_long" = yes; then
899 900 901 902 903 904 905 906
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)
907 908
dnl Int32 is a HACK for non-ISO C compilers
FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
909 910
FPTOOLS_CHECK_HTYPE(clock_t)
FPTOOLS_CHECK_HTYPE(time_t)
sof's avatar
sof committed
911 912 913 914 915 916 917 918 919 920
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(gid_t)
FPTOOLS_CHECK_HTYPE(uid_t)
FPTOOLS_CHECK_HTYPE(cc_t)
FPTOOLS_CHECK_HTYPE(speed_t)
FPTOOLS_CHECK_HTYPE(tcflag_t)
921
FPTOOLS_CHECK_HTYPE(blkcnt_t)
sof's avatar
sof committed
922 923
FPTOOLS_CHECK_HTYPE(nlink_t)
FPTOOLS_CHECK_HTYPE(ssize_t)
924
FPTOOLS_CHECK_HTYPE(rlim_t)
925

926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943
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

944
FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <errno.h>])
945

sof's avatar
sof committed
946
dnl ** can we open files in binary mode?
947
FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
sof's avatar
sof committed
948

reid's avatar
reid committed
949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
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
966
  AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
reid's avatar
reid committed
967 968 969 970 971 972 973 974 975 976 977 978 979 980 981
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
982
AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
reid's avatar
reid committed
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
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
1006
  AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
reid's avatar
reid committed
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018
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 )  
1019
AC_CHECK_FUNCS(setenv unsetenv)
reid's avatar
reid committed
1020 1021


1022
dnl ** check for specific library functions that we are interested in
1023
AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
sof's avatar
sof committed
1024

1025 1026 1027 1028 1029 1030 1031 1032
dnl ** Solaris2 needs additionl flag for getpw*_r()
case "$TargetPlatform" in
  *-solaris2*)
    unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
    AC_SUBST(unix_SRC_HSC2HS_OPTS)
  ;;
esac

1033
dnl ** check whether this machine has gmp3 installed
1034 1035
AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
  AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1036
    HaveLibGmp=NO; LibGmp=not-installed))
1037
AC_SUBST(HaveLibGmp)
1038
AC_SUBST(LibGmp)
1039

1040 1041 1042 1043 1044 1045 1046 1047
dnl ** (Mac OS X only: check for HaskellSupport.framework)
HaveFrameworkHaskellSupport=NO
if test $HostPlatform = "powerpc-apple-darwin"; then
 AC_MSG_CHECKING([for HaskellSupport.framework])
 save_libs="$LIBS"
 LIBS="-framework HaskellSupport"
 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
 if test $HaveFrameworkHaskellSupport = YES; then
1048
  AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1049 1050 1051 1052 1053 1054
 fi;
 LIBS="$save_libs"
 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
fi;
AC_SUBST(HaveFrameworkHaskellSupport)

1055 1056 1057 1058 1059
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
1060
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1061 1062
fi

1063 1064 1065 1066 1067 1068
if test "$HaveLibGmp" = "NO"; then
if test "$HostArch_CPP" = "ia64"; then
AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
fi;
fi;

reid's avatar
reid committed
1069
dnl ** check whether this machine has BFD and liberty installed (used for debugging)
sof's avatar
sof committed
1070
dnl    the order of these tests matters: bfd needs liberty
reid's avatar
reid committed
1071 1072
AC_CHECK_LIB(iberty, xmalloc)
AC_CHECK_LIB(bfd,    bfd_init)
reid's avatar
reid committed
1073

1074 1075 1076
dnl ** check for wide-char classifications
AC_CHECK_HEADERS(wctype.h)

1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088
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
1089

1090
if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1091
  AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1092
  LibsReadline="readline $LibTermcap"
1093
else
1094
  AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1095 1096 1097
  LibsReadline=
fi
AC_SUBST(LibsReadline)
1098

1099 1100
if test "$HaveLibReadline"; then
  AC_CHECK_LIB(readline, rl_erase_empty_line,
1101 1102
    [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
    [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1103
  AC_CHECK_LIB(readline, rl_free_undo_list,
1104 1105
    [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
    [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1106
else
1107 1108
  AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
  AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1109 1110
fi

sebc's avatar
sebc committed
1111 1112 1113 1114
dnl ** check for math library
FPTOOLS_CHECK_LIBM()
AC_SUBST(LIBM)

1115 1116
dnl ** check for X Window System
AC_PATH_XTRA()
reid's avatar
reid committed
1117

1118 1119
dnl ** check for OpenGL/GLUT/GLX include paths and libraries
if test $GhcLibsWithHOpenGL = YES ; then
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
  if test $UseQuartzOpenGL = YES ; then
    dnl Take a shortcut for Mac OS X native OpenGL:
    dnl It's in a non-standard location, but it's always there
    GL_CFLAGS=
	GL_LIBS=
	GLUT_LIBS=
	AC_SUBST(GL_CFLAGS)
	AC_SUBST(GL_LIBS)
	AC_SUBST(GLUT_LIBS)
  else
    FPTOOLS_HAVE_OPENGL
  fi
1132
fi
1133

reid's avatar
reid committed
1134 1135 1136 1137
dnl ################################################################
dnl Check for libraries
dnl ################################################################

1138 1139
dnl ** check for libdl & RTLD_NEXT

1140
dnl (Mac OS X only) ... but don't check if we already have the
1141
dnl HaskellSupport.framework
1142 1143

if test $HaveFrameworkHaskellSupport = YES; then
1144
    HaveLibDL=NO
1145 1146
    HaveRtldNext=NO
    HaveRtldLocal=YES
1147
    AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1148
    HaveRtldGlobal=YES
1149
    AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1150
    HaveRtldNow=YES
1151
    AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1152 1153 1154 1155 1156 1157 1158 1159
    AC_SUBST(HaveLibDL)
    AC_SUBST(HaveRtldNext)
    AC_SUBST(HaveRtldLocal)
    AC_SUBST(HaveRtldGlobal)
    AC_SUBST(HaveRtldNow)
else
    AC_CHECK_LIB(dl, dlopen, 
    	[HaveLibDL=YES
1160
    	 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
    	 LIBS="$LIBS -ldl"], 
    	[HaveLibDL=NO])
    AC_CHECK_FUNCS(dlopen)
    AC_SUBST(HaveLibDL)

    dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
    AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
    AC_EGREP_CPP(yes,
    [
     #include <dlfcn.h>
     #ifdef RTLD_NEXT
            yes
     #endif
    ], [
      AC_MSG_RESULT(yes)
1176
      AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
      HaveRtldNext=YES
    ], [
      AC_MSG_RESULT(no)
      HaveRtldNext=NO
      ])    
    AC_SUBST(HaveRtldNext)

    dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
    AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
    AC_EGREP_CPP(yes,
    [
     #include <dlfcn.h>
     #ifdef RTLD_LOCAL
            yes
     #endif
    ], [
      AC_MSG_RESULT(yes)
      AC_DEFINE(HAVE_RTLDLOCAL)
      HaveRtldLocal=YES
    ], [
      AC_MSG_RESULT(no)
      HaveRtldLocal=NO
      ])    
    AC_SUBST(HaveRtldLocal)