configure.ac

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
   3 dnl  (or some such) to see the outline of this file)
   4 dnl
   5 #
   6 # (c) The AQUA Project, Glasgow University, 1994-2004
   7 #
   8 # Configure script template for the Glasgow functional programming tools
   9 #
  10 # Process with 'autoreconf' to get a working configure script.
  11 #
  12 # For the generated configure script, do "./configure --help" to
  13 # see what flags are available. (Better yet, read the documentation!)
  14 #
  15
  16 AC_INIT([fptools build system], [1.0], [cvs-fptools@haskell.org], [fptools])
  17
  18 # First off, a distrib sanity check..
  19 AC_CONFIG_SRCDIR([mk/config.mk.in])
  20
  21 dnl * We require autoconf version 2.52
  22 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  23 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  24 AC_PREREQ([2.52])
  25
  26 dnl * Declare subdirectories that have a private configure script
  27 dnl
  28 dnl After the toplevel configuration is complete, the script will recurse into
  29 dnl these subdirectories if they exist. The use of a cache file makes repeated
  30 dnl checks cheap.
  31 AC_CONFIG_SUBDIRS([ghc libraries])
  32
  33 # -------------------------------------------------------------------------
  34 # Prepare to generate the following header files
  35 #
  36 #
  37 AC_CONFIG_HEADER(mk/config.h)
  38
  39 # No, semi-sadly, we don't do `--srcdir'...
  40 if test x"$srcdir" != 'x.' ; then
  41     echo "This configuration does not support the \`--srcdir' option.."
  42     exit 1
  43 fi
  44
  45 dnl--------------------------------------------------------------------
  46 dnl * Choose host(/target/build) platform
  47 dnl--------------------------------------------------------------------
  48
  49 dnl Guess host/target/build platform(s) if necessary.
  50 AC_CANONICAL_TARGET
  51
  52 # "$host" defaults to "$target"
  53 if test "x$host" = xNONE ; then
  54     host=$target
  55 fi
  56
  57 dnl ** canonicalize platform names
  58 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  59 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  60 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  61
  62 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  63     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  64     exit 1
  65 fi
  66
  67 exeext=''
  68 #
  69 # The following will be more difficult when we *are* cross-compiling.
  70 # Suitable names to slam in *_CPP are in platform.h.in.
  71 # We also record the architecture, vendor, and operating system (OS)
  72 # separately.
  73 case $HostPlatform in
  74 alpha*-dec-osf[[12]]*)
  75         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  76         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  77         BuildPlatform=alpha-dec-osf1  # hack
  78         HostPlatform_CPP='alpha_dec_osf1'
  79         HostArch_CPP='alpha'
  80         HostVendor_CPP='dec'
  81         HostOS_CPP='osf1'
  82         ;;
  83 alpha*-dec-osf[[345]]*)
  84         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  85         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  86         BuildPlatform=alpha-dec-osf3  # hack
  87         HostPlatform_CPP='alpha_dec_osf3'
  88         HostArch_CPP='alpha'
  89         HostVendor_CPP='dec'
  90         HostOS_CPP='osf3'
  91         ;;
  92 alpha*-unknown-linux*)
  93         HostPlatform=alpha-unknown-linux
  94         TargetPlatform=alpha-unknown-linux
  95         BuildPlatform=alpha-unknown-linux
  96         HostPlatform_CPP='alpha_unknown_linux'
  97         HostArch_CPP='alpha'
  98         HostVendor_CPP='unknown'
  99         HostOS_CPP='linux'
 100         ;;
 101 alpha*-unknown-freebsd*)
 102         HostPlatform=alpha-unknown-freebsd
 103         TargetPlatform=alpha-unknown-freebsd
 104         BuildPlatform=alpha-unknown-freebsd
 105         HostPlatform_CPP='alpha_unknown_freebsd'
 106         HostArch_CPP='alpha'
 107         HostVendor_CPP='unknown'
 108         HostOS_CPP='freebsd'
 109         ;;
 110 alpha*-unknown-openbsd*)
 111         HostPlatform=alpha-unknown-openbsd
 112         TargetPlatform=alpha-unknown-openbsd
 113         BuildPlatform=alpha-unknown-openbsd
 114         HostPlatform_CPP='alpha_unknown_openbsd'
 115         HostArch_CPP='alpha'
 116         HostVendor_CPP='unknown'
 117         HostOS_CPP='openbsd'
 118         ;;
 119 amd64-*-openbsd*|x86_64-*-openbsd*)
 120         HostPlatform=x86_64-unknown-openbsd
 121         TargetPlatform=x86_64-unknown-openbsd
 122         BuildPlatform=x86_64-unknown-openbsd
 123         HostPlatform_CPP='x86_64_unknown_openbsd'
 124         HostArch_CPP='x86_64'
 125         HostVendor_CPP='unknown'
 126         HostOS_CPP='openbsd'
 127         ;;
 128 arm*-linux*)
 129         HostPlatform=arm-unknown-linux # hack again
 130         TargetPlatform=arm-unknown-linux
 131         BuildPlatform=arm-unknown-linux
 132         HostPlatform_CPP='arm_unknown_linux'
 133         HostArch_CPP='arm'
 134         HostVendor_CPP='unknown'
 135         HostOS_CPP='linux'
 136         ;;
 137 arm*-openbsd*)
 138         HostPlatform=arm-unknown-openbsd
 139         TargetPlatform=arm-unknown-openbsd
 140         BuildPlatform=arm-unknown-openbsd
 141         HostPlatform_CPP='arm_unknown_openbsd'
 142         HostArch_CPP='arm'
 143         HostVendor_CPP='unknown'
 144         HostOS_CPP='openbsd'
 145         ;;
 146 hppa*-*-linux*)
 147         HostPlatform=hppa-unknown-linux # hack again
 148         TargetPlatform=hppa-unknown-linux
 149         BuildPlatform=hppa-unknown-linux
 150         HostPlatform_CPP='hppa_unknown_linux'
 151         HostArch_CPP='hppa'
 152         HostVendor_CPP='unknown'
 153         HostOS_CPP='linux'
 154         ;;
 155 hppa*-*-openbsd*)
 156         HostPlatform=hppa-unknown-openbsd # hack again
 157         TargetPlatform=hppa-unknown-openbsd
 158         BuildPlatform=hppa-unknown-openbsd
 159         HostPlatform_CPP='hppa_unknown_openbsd'
 160         HostArch_CPP='hppa'
 161         HostVendor_CPP='unknown'
 162         HostOS_CPP='openbsd'
 163         ;;
 164 hppa1.1-hp-hpux*)
 165         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 166         TargetPlatform=hppa1.1-hp-hpux
 167         BuildPlatform=hppa1.1-hp-hpux
 168         HostPlatform_CPP='hppa1_1_hp_hpux'
 169         HostArch_CPP='hppa1_1'
 170         HostVendor_CPP='hp'
 171         HostOS_CPP='hpux'
 172         ;;
 173 i[[3456]]86-*-linuxaout*)
 174         HostPlatform=i386-unknown-linuxaout   # hack again
 175         TargetPlatform=i386-unknown-linuxaout
 176         BuildPlatform=i386-unknown-linuxaout
 177         HostPlatform_CPP='i386_unknown_linuxaout'
 178         HostArch_CPP='i386'
 179         HostVendor_CPP='unknown'
 180         HostOS_CPP='linuxaout'
 181         ;;
 182 i[[3456]]86-*-linux*)
 183         HostPlatform=i386-unknown-linux # hack again
 184         TargetPlatform=i386-unknown-linux
 185         BuildPlatform=i386-unknown-linux
 186         HostPlatform_CPP='i386_unknown_linux'
 187         HostArch_CPP='i386'
 188         HostVendor_CPP='unknown'
 189         HostOS_CPP='linux'
 190         ;;
 191 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 192         HostPlatform=i386-unknown-freebsd # hack again
 193         TargetPlatform=i386-unknown-freebsd
 194         BuildPlatform=i386-unknown-freebsd
 195         HostPlatform_CPP='i386_unknown_freebsd'
 196         HostArch_CPP='i386'
 197         HostVendor_CPP='unknown'
 198         HostOS_CPP='freebsd'
 199         ;;
 200 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 201         HostPlatform=i386-unknown-freebsd2 # hack again
 202         TargetPlatform=i386-unknown-freebsd2
 203         BuildPlatform=i386-unknown-freebsd2
 204         HostPlatform_CPP='i386_unknown_freebsd2'
 205         HostArch_CPP='i386'
 206         HostVendor_CPP='unknown'
 207         HostOS_CPP='freebsd2'
 208         ;;
 209 i[[3456]]86-*-netbsd*)
 210         HostPlatform=i386-unknown-netbsd # hack again
 211         TargetPlatform=i386-unknown-netbsd
 212         BuildPlatform=i386-unknown-netbsd
 213         HostPlatform_CPP='i386_unknown_netbsd'
 214         HostArch_CPP='i386'
 215         HostVendor_CPP='unknown'
 216         HostOS_CPP='netbsd'
 217         ;;
 218 i[[3456]]86-*-openbsd*)
 219         HostPlatform=i386-unknown-openbsd # hack again
 220         TargetPlatform=i386-unknown-openbsd
 221         BuildPlatform=i386-unknown-openbsd
 222         HostPlatform_CPP='i386_unknown_openbsd'
 223         HostArch_CPP='i386'
 224         HostVendor_CPP='unknown'
 225         HostOS_CPP='openbsd'
 226         ;;
 227 i[[3456]]86-*-solaris2*)
 228         HostPlatform=i386-unknown-solaris2 # hack again
 229         TargetPlatform=i386-unknown-solaris2
 230         BuildPlatform=i386-unknown-solaris2
 231         HostPlatform_CPP='i386_unknown_solaris2'
 232         HostArch_CPP='i386'
 233         HostVendor_CPP='unknown'
 234         HostOS_CPP='solaris2'
 235         ;;
 236 i[[3456]]86-*-cygwin*)
 237         HostPlatform=i386-unknown-cygwin32 # hack again
 238         TargetPlatform=i386-unknown-cygwin32
 239         BuildPlatform=i386-unknown-cygwin32
 240         HostPlatform_CPP='i386_unknown_cygwin32'
 241         HostArch_CPP='i386'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='cygwin32'
 244         exeext='.exe'
 245         ;;
 246 i[[3456]]86-*-mingw32*)
 247         HostPlatform=i386-unknown-mingw32 # hack again
 248         TargetPlatform=i386-unknown-mingw32
 249         BuildPlatform=i386-unknown-mingw32
 250         HostPlatform_CPP='i386_unknown_mingw32'
 251         HostArch_CPP='i386'
 252         HostVendor_CPP='unknown'
 253         HostOS_CPP='mingw32'
 254         exeext='.exe'
 255         ;;
 256 ia64-*-linux*)
 257         HostPlatform=ia64-unknown-linux # hack again
 258         TargetPlatform=ia64-unknown-linux
 259         BuildPlatform=ia64-unknown-linux
 260         HostPlatform_CPP='ia64_unknown_linux'
 261         HostArch_CPP='ia64'
 262         HostVendor_CPP='unknown'
 263         HostOS_CPP='linux'
 264         ;;
 265 x86_64-*-linux*)
 266         HostPlatform=x86_64-unknown-linux
 267         TargetPlatform=x86_64-unknown-linux
 268         BuildPlatform=x86_64-unknown-linux
 269         HostPlatform_CPP='x86_64_unknown_linux'
 270         HostArch_CPP='x86_64'
 271         HostVendor_CPP='unknown'
 272         HostOS_CPP='linux'
 273         ;;
 274 m68k-*-linux*)
 275         HostPlatform=m68k-unknown-linux # hack again
 276         TargetPlatform=m68k-unknown-linux
 277         BuildPlatform=m68k-unknown-linux
 278         HostPlatform_CPP='m68k_unknown_linux'
 279         HostArch_CPP='m68k'
 280         HostVendor_CPP='unknown'
 281         HostOS_CPP='linux'
 282         ;;
 283 m68k-next-nextstep2)
 284         HostPlatform_CPP='m68k_next_nextstep2'
 285         HostArch_CPP='m68k'
 286         HostVendor_CPP='next'
 287         HostOS_CPP='nextstep2'
 288         ;;
 289 m68k-next-nextstep3)
 290         HostPlatform_CPP='m68k_next_nextstep3'
 291         HostArch_CPP='m68k'
 292         HostVendor_CPP='next'
 293         HostOS_CPP='nextstep3'
 294         ;;
 295 i[[3456]]86-next-nextstep3)
 296         HostPlatform=i386-next-nextstep3 # hack again
 297         TargetPlatform=i386-next-nextstep3
 298         BuildPlatform=i386-next-nextstep3
 299         HostPlatform_CPP='i386_next_nextstep3'
 300         HostArch_CPP='i386'
 301         HostVendor_CPP='next'
 302         HostOS_CPP='nextstep3'
 303         ;;
 304 m68k-*-openbsd*)
 305         HostPlatform=m68k-unknown-openbsd
 306         TargetPlatform=m68k-unknown-openbsd
 307         BuildPlatform=m68k-unknown-openbsd
 308         HostPlatform_CPP='m68k_unknown_openbsd'
 309         HostArch_CPP='m68k'
 310         HostVendor_CPP='unknown'
 311         HostOS_CPP='openbsd'
 312         ;;
 313 m68k-*-netbsd*)
 314         HostPlatform=m68k-unknown-netbsd
 315         TargetPlatform=m68k-unknown-netbsd
 316         BuildPlatform=m68k-unknown-netbsd
 317         HostPlatform_CPP='m68k_unknown_netbsd'
 318         HostArch_CPP='m68k'
 319         HostVendor_CPP='unknown'
 320         HostOS_CPP='netbsd'
 321         ;;
 322 m68k-sun-sunos4*)
 323         HostPlatform=m68k-sun-sunos4
 324         TargetPlatform=m68k-sun-sunos4 #hack
 325         BuildPlatform=m68k-sun-sunos4 #hack
 326         HostPlatform_CPP='m68k_sun_sunos4'
 327         HostArch_CPP='m68k'
 328         HostVendor_CPP='sun'
 329         HostOS_CPP='sunos4'
 330         ;;
 331 m88k-*-openbsd*)
 332         HostPlatform=m88k-unknown-openbsd
 333         TargetPlatform=m88k-unknown-openbsd
 334         BuildPlatform=m88k-unknown-openbsd
 335         HostPlatform_CPP='m88k_unknown_openbsd'
 336         HostArch_CPP='m88k'
 337         HostVendor_CPP='unknown'
 338         HostOS_CPP='openbsd'
 339         ;;
 340 mips-*-linux*)
 341         HostPlatform=mips-unknown-linux # hack again
 342         TargetPlatform=mips-unknown-linux
 343         BuildPlatform=mips-unknown-linux
 344         HostPlatform_CPP='mips_unknown_linux'
 345         HostArch_CPP='mips'
 346         HostVendor_CPP='unknown'
 347         HostOS_CPP='linux'
 348         ;;
 349 mips-dec-ultrix*)
 350         HostPlatform_CPP='mips_dec_ultrix'
 351         HostArch_CPP='mipsel'   # NB a little different
 352         HostVendor_CPP='dec'
 353         HostOS_CPP='ultrix'
 354         ;;
 355 mips-sgi-irix*)
 356         HostPlatform=mips-sgi-irix
 357         TargetPlatform=mips-sgi-irix #hack
 358         BuildPlatform=mips-sgi-irix #hack
 359         HostPlatform_CPP='mips_sgi_irix'
 360         HostArch_CPP='mipseb'   # NB a little different
 361         HostVendor_CPP='sgi'
 362         HostOS_CPP='irix'
 363         ;;
 364 rs6000-ibm-aix*)
 365         HostPlatform=rs6000-ibm-aix
 366         TargetPlatform=rs6000-ibm-aix #hack
 367         BuildPlatform=rs6000-ibm-aix #hack
 368         HostPlatform_CPP='rs6000_ibm_aix'
 369         HostArch_CPP='rs6000'
 370         HostVendor_CPP='ibm'
 371         HostOS_CPP='aix'
 372         ;;
 373 powerpc-ibm-aix*)
 374         HostPlatform=powerpc-ibm-aix
 375         TargetPlatform=powerpc-ibm-aix #hack
 376         BuildPlatform=powerpc-ibm-aix #hack
 377         HostPlatform_CPP='powerpc_ibm_aix'
 378         HostArch_CPP='powerpc'
 379         HostVendor_CPP='ibm'
 380         HostOS_CPP='aix'
 381         ;;
 382 powerpc-apple-darwin*)
 383         HostPlatform=powerpc-apple-darwin
 384         TargetPlatform=powerpc-apple-darwin #hack
 385         BuildPlatform=powerpc-apple-darwin #hack
 386         HostPlatform_CPP='powerpc_apple_darwin'
 387         HostArch_CPP='powerpc'
 388         HostVendor_CPP='apple'
 389         HostOS_CPP='darwin'
 390         ;;
 391 powerpc-unknown-linux*)
 392         HostPlatform=powerpc-unknown-linux
 393         TargetPlatform=powerpc-unknown-linux
 394         BuildPlatform=powerpc-unknown-linux
 395         HostPlatform_CPP='powerpc_unknown_linux'
 396         HostArch_CPP='powerpc'
 397         HostVendor_CPP='unknown'
 398         HostOS_CPP='linux'
 399         ;;
 400 powerpc-unknown-openbsd*)
 401         HostPlatform=powerpc-unknown-openbsd
 402         TargetPlatform=powerpc-unknown-openbsd
 403         BuildPlatform=powerpc-unknown-openbsd
 404         HostPlatform_CPP='powerpc_unknown_openbsd'
 405         HostArch_CPP='powerpc'
 406         HostVendor_CPP='unknown'
 407         HostOS_CPP='openbsd'
 408         ;;
 409 powerpc64-unknown-linux*)
 410         HostPlatform=powerpc64-unknown-linux
 411         TargetPlatform=powerpc64-unknown-linux
 412         BuildPlatform=powerpc64-unknown-linux
 413         HostPlatform_CPP='powerpc64_unknown_linux'
 414         HostArch_CPP='powerpc64'
 415         HostVendor_CPP='unknown'
 416         HostOS_CPP='linux'
 417         ;;
 418
 419 s390-ibm-linux*)
 420        HostPlatform=s390-ibm-linux
 421        TargetPlatform=s390-ibm-linux #hack
 422        BuildPlatform=s390-ibm-linux #hack
 423         HostPlatform_CPP='s390_ibm_linux'
 424         HostArch_CPP='s390'
 425         HostVendor_CPP='ibm'
 426         HostOS_CPP='linux'
 427         ;;
 428 sparc-sun-sunos4*)
 429         HostPlatform=sparc-sun-sunos4
 430         TargetPlatform=sparc-sun-sunos4 #hack
 431         BuildPlatform=sparc-sun-sunos4 #hack
 432         HostPlatform_CPP='sparc_sun_sunos4'
 433         HostArch_CPP='sparc'
 434         HostVendor_CPP='sun'
 435         HostOS_CPP='sunos4'
 436         ;;
 437 sparc-sun-solaris2*)
 438         HostPlatform=sparc-sun-solaris2
 439         TargetPlatform=sparc-sun-solaris2 #hack
 440         BuildPlatform=sparc-sun-solaris2 #hack
 441         HostPlatform_CPP='sparc_sun_solaris2'
 442         HostArch_CPP='sparc'
 443         HostVendor_CPP='sun'
 444         HostOS_CPP='solaris2'
 445         ;;
 446 sparc*-linux*)
 447         HostPlatform=sparc-unknown-linux
 448         TargetPlatform=sparc-unknown-linux
 449         BuildPlatform=sparc-unknown-linux
 450         HostPlatform_CPP='sparc_unknown_linux'
 451         HostArch_CPP='sparc'
 452         HostVendor_CPP='unknown'
 453         HostOS_CPP='linux'
 454         ;;
 455 sparc-*-openbsd*)
 456         HostPlatform=sparc-unknown-openbsd
 457         TargetPlatform=sparc-unknown-openbsd
 458         BuildPlatform=sparc-unknown-openbsd
 459         HostPlatform_CPP='sparc_unknown_openbsd'
 460         HostArch_CPP='sparc'
 461         HostVendor_CPP='unknown'
 462         HostOS_CPP='openbsd'
 463         ;;
 464 sparc64-*-openbsd*)
 465         HostPlatform=sparc64-unknown-openbsd
 466         TargetPlatform=sparc64-unknown-openbsd
 467         BuildPlatform=sparc64-unknown-openbsd
 468         HostPlatform_CPP='sparc64_unknown_openbsd'
 469         HostArch_CPP='sparc64'
 470         HostVendor_CPP='unknown'
 471         HostOS_CPP='openbsd'
 472         ;;
 473 vax-*-openbsd*)
 474         HostPlatform=vax-unknown-openbsd
 475         TargetPlatform=vax-unknown-openbsd
 476         BuildPlatform=vax-unknown-openbsd
 477         HostPlatform_CPP='vax_unknown_openbsd'
 478         HostArch_CPP='vax'
 479         HostVendor_CPP='unknown'
 480         HostOS_CPP='openbsd'
 481         ;;
 482 *)
 483         echo "Unrecognised platform: $HostPlatform"
 484         exit 1
 485         ;;
 486 esac
 487 echo "Canonicalised to: $HostPlatform"
 488 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 489 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 490
 491 BuildPlatform_CPP=$HostPlatform_CPP
 492 TargetPlatform_CPP=$HostPlatform_CPP
 493 BuildArch_CPP=$HostArch_CPP
 494 TargetArch_CPP=$HostArch_CPP
 495 BuildOS_CPP=$HostOS_CPP
 496 HostOS_Full=$host_os
 497 TargetOS_CPP=$HostOS_CPP
 498 BuildVendor_CPP=$HostVendor_CPP
 499 TargetVendor_CPP=$HostVendor_CPP
 500
 501 AC_SUBST(BuildPlatform)
 502 AC_SUBST(HostPlatform)
 503 AC_SUBST(TargetPlatform)
 504 AC_SUBST(HostPlatform_CPP)
 505 AC_SUBST(BuildPlatform_CPP)
 506 AC_SUBST(TargetPlatform_CPP)
 507
 508 AC_SUBST(HostArch_CPP)
 509 AC_SUBST(BuildArch_CPP)
 510 AC_SUBST(TargetArch_CPP)
 511
 512 AC_SUBST(HostOS_CPP)
 513 AC_SUBST(HostOS_Full)
 514 AC_SUBST(BuildOS_CPP)
 515 AC_SUBST(TargetOS_CPP)
 516
 517 AC_SUBST(HostVendor_CPP)
 518 AC_SUBST(BuildVendor_CPP)
 519 AC_SUBST(TargetVendor_CPP)
 520
 521 AC_SUBST(exeext)
 522
 523 dnl --------------------------------------------------------------
 524 dnl * Calculate absolute path to build tree
 525 dnl --------------------------------------------------------------
 526
 527 AC_MSG_CHECKING(for path to top of build tree)
 528
 529 hardtop=`pwd`
 530
 531 dnl Remove common automounter nonsense
 532 dnl
 533 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 534
 535 dnl Find 'hardtop_plat', the native format for 'hardtop'
 536 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
 537 dnl
 538 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
 539 dnl              but we must not do that if we aren't building using Cygwin (notably msys),
 540 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin'
 541 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
 542 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
 543 dnl
 544 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
 545 dnl              about setting that correctly at the moment, so we just work around for now.
 546 dnl
 547 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
 548 dnl              is not set.
 549 case $HostPlatform in
 550   i386-unknown-mingw32 | i386-unknown-cygwin32)
 551         if test "${OSTYPE}" != "msys"
 552           then
 553             # convert $hardtop to a path that mingw will understand too
 554             cyghardtop=${hardtop}
 555             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 556             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 557           else
 558             hardtop_plat=${hardtop}
 559         fi
 560         ;;
 561   *)
 562         hardtop_plat=${hardtop}
 563         ;;
 564 esac
 565 AC_SUBST(hardtop)
 566 AC_SUBST(hardtop_plat)
 567
 568 AC_MSG_RESULT(${hardtop})
 569
 570 dnl --------------------------------------------------------------
 571 dnl * Project specific configuration options
 572 dnl --------------------------------------------------------------
 573 dnl What follows is a bunch of options that can either be configured
 574 dnl through command line options to the configure script or by
 575 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 576 dnl use either is considered a Feature.
 577
 578 dnl ** What command to use to compile compiler sources ?
 579 dnl --------------------------------------------------------------
 580
 581 AC_ARG_WITH(ghc,
 582 [AC_HELP_STRING([--with-ghc=ARG],
 583         [Use ARG as the path to GHC  [default=autodetect]])],
 584 [ WithGhc="$withval" ],
 585 [
 586   if test "$GHC" = ""; then
 587     AC_PATH_PROG(GHC,ghc)
 588   fi
 589   WithGhc=$GHC
 590 ])
 591 AC_SUBST(WithGhc)
 592
 593 AC_ARG_WITH(hc,
 594 [AC_HELP_STRING([--with-hc=ARG],
 595         [Use ARG as the path to the compiler for compiling ordinary
 596          Haskell code  (default= value of --with-ghc)])],
 597 [WithHc="$withval"],
 598 [WithHc=$WithGhc]
 599 )
 600 AC_SUBST(WithHc)
 601
 602 if test "$WithGhc" != ""; then
 603   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 604   AC_SUBST(GhcVersion)dnl
 605   AC_SUBST(GhcMajVersion)dnl
 606   AC_SUBST(GhcMinVersion)dnl
 607   AC_SUBST(GhcPatchLevel)dnl
 608 fi
 609
 610 AC_PATH_PROGS(NHC,nhc nhc98)
 611 AC_PATH_PROG(HBC,hbc)
 612
 613 dnl ** Which gcc to use?
 614 dnl --------------------------------------------------------------
 615 AC_ARG_WITH(gcc,
 616 [AC_HELP_STRING([--with-gcc=ARG],
 617         [Use ARG as the path to GCC  [default=autodetect]])],
 618 [WhatGccIsCalled="$withval"
 619  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 620     then
 621        if test "${OSTYPE}" != "msys"
 622          then
 623          # Canonicalise to <drive>:/path/to/gcc
 624          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 625        fi
 626  fi;
 627  CC="$withval"],
 628 [WhatGccIsCalled="gcc"]
 629 )
 630 AC_SUBST(WhatGccIsCalled)
 631
 632 dnl ** Booting from .hc files?
 633 dnl --------------------------------------------------------------
 634 AC_ARG_ENABLE(hc-boot,
 635 [AC_HELP_STRING([--enable-hc-boot],
 636 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 637  (This option is mostly of interest to porters.) [default=no]])],
 638 [ if test x"$enableval" = x"yes"; then
 639         BootingFromHc=YES
 640   else
 641         BootingFromHc=NO
 642   fi
 643 ],
 644 [BootingFromHc=NO]
 645 )
 646 AC_SUBST(BootingFromHc)
 647
 648 dnl ** Booting from unregisterised .hc files?
 649 dnl --------------------------------------------------------------
 650 AC_ARG_ENABLE(hc-boot-unregisterised,
 651 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 652 [ With --enable-hc-boot, treat the intermediate .hc files as
 653  unregisterised rather than registerised code.
 654  (This option is mostly of interest to porters.) [default=no]])],
 655 [ if test x"$enableval" = x"yes"; then
 656         BootingFromUnregisterisedHc=YES
 657   else
 658         BootingFromUnregisterisedHc=NO
 659   fi
 660 ],
 661 [BootingFromUnregisterisedHc=NO]
 662 )
 663 AC_SUBST(BootingFromUnregisterisedHc)
 664
 665 if test "$BootingFromHc" = "NO"; then
 666 if test "$BootingFromUnregisterisedHc" = "YES"; then
 667 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 668 fi;
 669 fi;
 670
 671 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 672 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 673 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 674 fi;
 675
 676 dnl ** --enable-threaded-rts (not used any more)
 677 dnl --------------------------------------------------------------
 678 AC_ARG_ENABLE(threaded-rts,
 679 [AC_HELP_STRING([--enable-threaded-rts],
 680 [DEPRECATED (backwards compatibility only). [default=no]])],
 681 [ if test x"$enableval" = x"yes"; then
 682         ThreadedRts=YES
 683   else
 684         ThreadedRts=NO
 685   fi
 686 ],
 687 [ThreadedRts=NO]
 688 )
 689 AC_SUBST(ThreadedRts)
 690
 691 dnl ** Enable the construction of Win32 DLLs?
 692 dnl --------------------------------------------------------------
 693 dnl
 694 dnl [ The ability to build the RTS and libraries as separate DLLs used
 695 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 696 dnl   and build system would be required to bring it back again.)
 697 dnl   Hence, exposing it as an option is false advertisement, so better
 698 dnl   disable it to avoid confusion (but leave it commented-out rather
 699 dnl   than removed in order to remind ourselves to bring back the
 700 dnl   feature at some stage.) ]
 701 dnl
 702 dnl AC_ARG_ENABLE(win32-dlls,
 703 dnl [  --enable-win32-dlls
 704 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 705 dnl     construction of DLLs containing ghc-compiled code.
 706 dnl ],
 707 dnl [
 708 dnl case $HostOS_CPP in
 709 dnl cygwin32) ;;
 710 dnl mingw32)  ;;
 711 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 712 dnl       exit 1
 713 dnl       ;;
 714 dnl esac
 715 dnl EnableWin32DLLs=YES
 716 dnl ],
 717 dnl [EnableWin32DLLs=NO]
 718 dnl )
 719 dnl AC_SUBST(EnableWin32DLLs)
 720 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 721 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 722 dnl fi
 723
 724 dnl ** Enable the building of the ObjectIO?
 725 dnl --------------------------------------------------------------
 726 AC_ARG_ENABLE(objectio,
 727 [AC_HELP_STRING([--enable-objectio],
 728 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 729 [ if test x"$enableval" = x"yes"; then
 730         GhcLibsWithObjectIO=YES
 731   else
 732         GhcLibsWithObjectIO=NO
 733   fi
 734 ],
 735 [GhcLibsWithObjectIO=NO]
 736 )
 737 AC_SUBST(GhcLibsWithObjectIO)
 738
 739 dnl ** Enable the building of the OpenAL binding?
 740 dnl --------------------------------------------------------------
 741 AC_ARG_ENABLE([openal],
 742   AC_HELP_STRING([--enable-openal],
 743                  [Build OpenAL binding [[default=autodetect]]]),
 744   [ if test x"$enableval" = x"yes"; then
 745         GhcLibsWithOpenAL=YES
 746     else
 747         GhcLibsWithOpenAL=NO
 748     fi
 749   ],
 750   [GhcLibsWithOpenAL=YES])
 751
 752 AC_SUBST([GhcLibsWithOpenAL])
 753
 754 dnl ** .NET interop support?
 755 dnl --------------------------------------------------------------
 756 AC_ARG_ENABLE(dotnet,
 757 [AC_HELP_STRING([--enable-dotnet],
 758 [Build .NET interop layer. [default=no]])],
 759 [ if test x"$enableval" = x"yes"; then
 760         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 761   else
 762         DotnetSupport=NO
 763   fi],
 764 [DotnetSupport=NO]
 765 )
 766 AC_SUBST(DotnetSupport)
 767
 768 dnl --------------------------------------------------------------
 769 dnl End of configure script option section
 770 dnl --------------------------------------------------------------
 771
 772
 773 dnl --------------------------------------------------------------
 774 dnl * General configuration checks
 775 dnl --------------------------------------------------------------
 776
 777 dnl ** Can the unix package be built?
 778 dnl --------------------------------------------------------------
 779
 780 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 781    GhcLibsWithUnix=NO
 782 else
 783    GhcLibsWithUnix=YES
 784 fi
 785 AC_SUBST([GhcLibsWithUnix])
 786
 787 dnl ** does #! work?
 788 AC_SYS_INTERPRETER()
 789
 790 dnl ** look for `perl', but only in /bin on Windows
 791 case $HostOS_CPP in
 792 cygwin32|mingw32)
 793       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 794       if test -z "$PerlCmd"; then
 795          echo "You must install the version of Perl shipped with GHC"
 796          echo "(or a compatible one) in /bin."
 797          exit 1
 798       fi
 799    ;;
 800 *)
 801    AC_PATH_PROG(PerlCmd,perl)
 802    if test -z "$PerlCmd"; then
 803       echo "You must install perl before you can continue"
 804       echo "Perhaps it is already installed, but not in your PATH?"
 805       exit 1
 806    else
 807    FPTOOLS_CHECK_PERL_VERSION
 808    fi
 809    ;;
 810 esac
 811
 812 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 813 FPTOOLS_SHEBANG_PERL
 814
 815 dnl ** check for Python
 816 AC_PATH_PROG(PythonCmd,python)
 817
 818 dnl ** look for GCC and find out which version
 819 dnl     Figure out which C compiler to use.  Gcc is preferred.
 820 dnl     If gcc, make sure it's at least 2.1
 821 dnl
 822 AC_PROG_CC
 823 FPTOOLS_HAVE_GCC
 824 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 825
 826 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 827 AC_PROG_CPP
 828
 829 dnl ** Without optimization some INLINE trickery fails for GHCi
 830 SRC_CC_OPTS="-O"
 831
 832 dnl ** Try to add -mno-cygwin to the C compiler options
 833 FP_CHECK_FLAG([-mno-cygwin], [
 834 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 835 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 836 AC_SUBST(SRC_CC_OPTS)
 837
 838 dnl ** figure out how to do context diffs
 839 FP_PROG_CONTEXT_DIFF
 840
 841 dnl ** Find find command (for Win32's benefit)
 842 FP_PROG_FIND
 843
 844 dnl ** figure out how to do a BSD-ish install
 845 AC_PROG_INSTALL
 846
 847 dnl If you can run configure, you certainly have /bin/sh
 848 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 849
 850 dnl ** how to invoke `ar' and `ranlib'
 851 FP_PROG_AR_NEEDS_RANLIB
 852 FP_PROG_AR_SUPPORTS_INPUT
 853
 854 dnl ** Check to see whether ln -s works
 855 AC_PROG_LN_S
 856
 857
 858 dnl ** Find the path to sed
 859 AC_PATH_PROG(SedCmd,sed)
 860
 861
 862 dnl ** check for time command
 863 AC_PATH_PROG(TimeCmd,time)
 864
 865 dnl ** check for tar
 866 dnl   if GNU tar is named gtar, look for it first.
 867 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 868
 869 dnl ** check for DocBook toolchain
 870 FP_CHECK_DOCBOOK_DTD
 871 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
 872 FP_PROG_FO_PROCESSOR
 873
 874 dnl ** check for ghc-pkg command
 875 FP_PROG_GHC_PKG
 876
 877 dnl Check whether this GHC has readline installed
 878 FPTOOLS_GHC_HAS_READLINE
 879
 880 AC_ARG_WITH(greencard,
 881 [AC_HELP_STRING([--with-greencard=ARG],
 882         [Use ARG as the path to greencard  [default=autodetct]])],
 883 [
 884 GreenCardCmd=$withval;
 885 FPTOOLS_GREENCARD(3.00)
 886 ]
 887 )
 888
 889 AC_ARG_ENABLE(src-tree-happy,
 890 [AC_HELP_STRING([--enable-src-tree-happy],
 891         [Build and use source tree (fptools/happy) version of Happy.
 892          [default=autodetect]])],
 893 [ if test x"$enableval" = x"yes"; then
 894         UseSrcTreeHappy=YES
 895   else
 896         UseSrcTreeHappy=NO
 897   fi
 898 ],
 899 [UseSrcTreeHappy=NO]
 900 )
 901 dnl ** check for installed happy binary + version
 902 dnl    (don't do it if we're booting from .hc files though.)
 903 if test "$BootingFromHc" = "NO"; then
 904 FPTOOLS_HAPPY
 905 fi;
 906
 907 AC_ARG_ENABLE(src-tree-haddock,
 908 [AC_HELP_STRING([--enable-src-tree-haddock],
 909         [Build and use source tree (fptools/haddock) version of Haddock.
 910          [default=autodetect]])],
 911 [ if test x"$enableval" = x"yes"; then
 912         UseSrcTreeHaddock=YES
 913   else
 914         UseSrcTreeHaddock=NO
 915   fi
 916 ],
 917 [UseSrcTreeHaddock=NO]
 918 )
 919 dnl ** check for installed haddock
 920 FPTOOLS_HADDOCK
 921
 922 AC_ARG_ENABLE(src-tree-alex,
 923 [AC_HELP_STRING([--enable-src-tree-alex],
 924         [Build and use source tree (fptools/alex) version of Alex.
 925          [default=autodetect]])],
 926 [ if test x"$enableval" = x"yes"; then
 927         UseSrcTreeAlex=YES
 928   else
 929         UseSrcTreeAlex=NO
 930   fi
 931 ],
 932 [UseSrcTreeAlex=NO]
 933 )
 934 dnl ** check for installed alex binary + version
 935 dnl    (don't do it if we're booting from .hc files though.)
 936 if test "$BootingFromHc" = "NO"; then
 937 FPTOOLS_ALEX
 938 fi;
 939
 940 dnl --------------------------------------------------
 941 dnl ### program checking section ends here ###
 942 dnl --------------------------------------------------
 943
 944 dnl --------------------------------------------------
 945 dnl * Platform header file and syscall feature tests
 946 dnl ### checking the state of the local header files and syscalls ###
 947
 948 dnl ** check for full ANSI header (.h) files
 949 AC_HEADER_STDC
 950
 951 dnl ** Enable large file support.  NB. do this before testing the type of
 952 dnl    off_t, because it will affect the result of that test.
 953 AC_SYS_LARGEFILE
 954
 955 dnl ** check for specific header (.h) files that we are interested in
 956 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
 957
 958 AC_CHECK_HEADER([unistd.h], [AC_CHECK_FUNCS(lchown)])
 959
 960 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 961 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 962
 963 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 964   GhcLibsWithReadline=YES
 965   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 966 else
 967   GhcLibsWithReadline=NO
 968   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 969 fi
 970 AC_SUBST(GhcLibsWithReadline)
 971
 972 dnl ** check for OpenGL/GLUT include paths and libraries
 973 FP_CHECK_GLUT
 974
 975 if test x"$no_GLU" = xyes; then
 976   GhcLibsWithOpenGL=NO
 977 else
 978   GhcLibsWithOpenGL=YES
 979 fi
 980 AC_SUBST([GhcLibsWithOpenGL])
 981
 982 if test x"$no_GLUT" = xyes; then
 983   GhcLibsWithGLUT=NO
 984 else
 985   GhcLibsWithGLUT=YES
 986 fi
 987 AC_SUBST([GhcLibsWithGLUT])
 988
 989 dnl ** check for OpenGL include files
 990 fp_save_cppflags="$CPPFLAGS"
 991 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 992 if test x"$use_quartz_opengl" = xyes; then
 993   AC_CHECK_HEADERS([OpenGL/gl.h])
 994 else
 995   AC_CHECK_HEADERS([GL/gl.h])
 996 fi
 997 CPPFLAGS="$fp_save_cppflags"
 998
 999 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1000 AC_HEADER_TIME
1001
1002 dnl ** check for POSIX regex
1003 HavePosixRegex=NO
1004 AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
1005 AC_SUBST(HavePosixRegex)
1006
1007 dnl ** how do we get a timezone name, and UTC offset ?
1008 AC_STRUCT_TIMEZONE
1009
1010 dnl ** do we have altzone?
1011 FP_DECL_ALTZONE
1012
1013 dnl ** do we have long longs?
1014 AC_CHECK_TYPES([long long])
1015
1016 dnl ** what are the sizes of various types
1017 AC_CHECK_SIZEOF(char,               1)
1018 AC_CHECK_SIZEOF(double,             8)
1019 AC_CHECK_SIZEOF(float,              4)
1020 AC_CHECK_SIZEOF(int,                4)
1021 AC_CHECK_SIZEOF(long,               4)
1022 if test "$ac_cv_type_long_long" = yes; then
1023 AC_CHECK_SIZEOF(long long,          8)
1024 fi
1025 AC_CHECK_SIZEOF(short,              2)
1026 AC_CHECK_SIZEOF(unsigned char,      1)
1027 AC_CHECK_SIZEOF(unsigned int,       4)
1028 AC_CHECK_SIZEOF(unsigned long,      4)
1029 if test "$ac_cv_type_long_long" = yes; then
1030 AC_CHECK_SIZEOF(unsigned long long, 8)
1031 fi
1032 AC_CHECK_SIZEOF(unsigned short,     2)
1033 AC_CHECK_SIZEOF(void *,             4)
1034
1035 dnl ** what are alignment constraints on various types
1036 FP_CHECK_ALIGNMENT(char)
1037 FP_CHECK_ALIGNMENT(double)
1038 FP_CHECK_ALIGNMENT(float)
1039 FP_CHECK_ALIGNMENT(int)
1040 FP_CHECK_ALIGNMENT(long)
1041 if test "$ac_cv_type_long_long" = yes; then
1042 FP_CHECK_ALIGNMENT(long long)
1043 fi
1044 FP_CHECK_ALIGNMENT(short)
1045 FP_CHECK_ALIGNMENT(unsigned char)
1046 FP_CHECK_ALIGNMENT(unsigned int)
1047 FP_CHECK_ALIGNMENT(unsigned long)
1048 if test "$ac_cv_type_long_long" = yes; then
1049 FP_CHECK_ALIGNMENT(unsigned long long)
1050 fi
1051 FP_CHECK_ALIGNMENT(unsigned short)
1052 FP_CHECK_ALIGNMENT(void *)
1053
1054 dnl ** Map OpenGL data types to Haskell types
1055 if test $GhcLibsWithOpenGL = YES ; then
1056 FPTOOLS_CHECK_HTYPE(GLboolean)
1057 FPTOOLS_CHECK_HTYPE(GLbyte)
1058 FPTOOLS_CHECK_HTYPE(GLubyte)
1059 FPTOOLS_CHECK_HTYPE(GLshort)
1060 FPTOOLS_CHECK_HTYPE(GLushort)
1061 FPTOOLS_CHECK_HTYPE(GLint)
1062 FPTOOLS_CHECK_HTYPE(GLuint)
1063 FPTOOLS_CHECK_HTYPE(GLsizei)
1064 FPTOOLS_CHECK_HTYPE(GLenum)
1065 FPTOOLS_CHECK_HTYPE(GLbitfield)
1066 FPTOOLS_CHECK_HTYPE(GLfloat)
1067 FPTOOLS_CHECK_HTYPE(GLclampf)
1068 FPTOOLS_CHECK_HTYPE(GLdouble)
1069 FPTOOLS_CHECK_HTYPE(GLclampd)
1070 fi
1071
1072 FP_CHECK_FUNC([WinExec],
1073   [@%:@include <windows.h>], [WinExec("",0)])
1074
1075 FP_CHECK_FUNC([GetModuleFileName],
1076   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1077
1078 dnl ** check return type of signal handlers
1079 dnl Foo: assumes we can use prototypes.
1080 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1081 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1082 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1083 dnl #include <signal.h>
1084 dnl #ifdef signal
1085 dnl #undef signal
1086 dnl #endif
1087 dnl void (*signal (int, void (*)(int)))(int);
1088 dnl ]],
1089 dnl [[int i;]])],
1090 dnl [ac_cv_type_signal_handler=void_int],
1091 dnl [ac_cv_type_signal_handler=int_void])])
1092 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1093 dnl AC_DEFINE(VOID_INT_SIGNALS)
1094 dnl fi
1095
1096 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1097 AC_TYPE_SIGNAL
1098 if test "$ac_cv_type_signal" = void; then
1099   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1100 fi
1101
1102 dnl ** check for more functions
1103 AC_CHECK_FUNCS([ftime getclock getgrgid_r getgrnam_r getpagesize getpwnam_r getpwuid_r getpwnam getpwuid getrusage gettimeofday gmtime_r localtime_r lstat readdir_r readlink setenv setitimer siginterrupt symlink sysconf times unsetenv])
1104
1105 dnl ** Solaris2 needs additionl flag for getpw*_r()
1106 case "$TargetPlatform" in
1107   *-solaris2*)
1108     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1109     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1110   ;;
1111 esac
1112
1113 dnl ** check whether this machine has gmp3 installed
1114 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1115   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1116     HaveLibGmp=NO; LibGmp=not-installed))
1117 AC_SUBST(HaveLibGmp)
1118 AC_SUBST(LibGmp)
1119
1120 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1121 HaveFrameworkHaskellSupport=NO
1122 if test $HostPlatform = "powerpc-apple-darwin"; then
1123  AC_MSG_CHECKING([for HaskellSupport.framework])
1124  save_libs="$LIBS"
1125  LIBS="-framework HaskellSupport"
1126  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1127  if test $HaveFrameworkHaskellSupport = YES; then
1128   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1129  fi;
1130  LIBS="$save_libs"
1131  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1132 fi;
1133 AC_SUBST(HaveFrameworkHaskellSupport)
1134
1135 dnl ** check for mingwex library
1136 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1137 AC_SUBST(HaveLibMingwEx)
1138
1139 if test $HaveLibMingwEx = YES ; then
1140   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1141 fi
1142
1143 if test "$HaveLibGmp" = "NO"; then
1144 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1145 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1146 fi;
1147 fi;
1148
1149 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1150 dnl    the order of these tests matters: bfd needs liberty
1151 AC_CHECK_LIB(iberty, xmalloc)
1152 AC_CHECK_LIB(bfd,    bfd_init)
1153
1154 dnl ** check for wide-char classifications
1155 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1156 dnl functions if it's really there.
1157 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
1158
1159 dnl ** check for readline, for Hugs and hslibs' Readline
1160 dnl ncurses supersedes termcap and curses, but for compatibility,
1161 dnl we have to check for all...
1162 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1163   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1164     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1165       HaveLibTermcap=NO; LibTermcap=not-installed)))
1166
1167 if test $HaveLibTermcap = YES ; then
1168   LIBS="-l$LibTermcap $LIBS"
1169   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1170 fi
1171
1172 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1173   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1174   LibsReadline="readline $LibTermcap"
1175 else
1176   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1177   LibsReadline=
1178 fi
1179 AC_SUBST(LibsReadline)
1180
1181 if test "$HaveLibReadline"; then
1182   AC_CHECK_LIB(readline, rl_erase_empty_line,
1183     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1184     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1185   AC_CHECK_LIB(readline, rl_free_undo_list,
1186     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1187     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1188 else
1189   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1190   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1191 fi
1192
1193 dnl ** check for math library
1194 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1195 AC_SUBST([LIBM])
1196
1197 dnl ** check for X Window System
1198 AC_PATH_XTRA()
1199
1200 if test "$no_x" = yes; then
1201   GhcLibsWithX11=NO
1202 else
1203   GhcLibsWithX11=YES
1204 fi
1205 AC_SUBST([GhcLibsWithX11])
1206
1207 dnl ################################################################
1208 dnl Check for libraries
1209 dnl ################################################################
1210
1211 dnl ** check for libdl & RTLD_NEXT
1212
1213 dnl (Mac OS X only) ... but don't check if we already have the
1214 dnl HaskellSupport.framework
1215
1216 if test $HaveFrameworkHaskellSupport = YES; then
1217     HaveLibDL=NO
1218     HaveRtldNext=NO
1219     HaveRtldLocal=YES
1220     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1221     HaveRtldGlobal=YES
1222     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1223     HaveRtldNow=YES
1224     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1225     AC_SUBST(HaveLibDL)
1226     AC_SUBST(HaveRtldNext)
1227     AC_SUBST(HaveRtldLocal)
1228     AC_SUBST(HaveRtldGlobal)
1229     AC_SUBST(HaveRtldNow)
1230 else
1231     AC_CHECK_LIB(dl, dlopen,
1232         [HaveLibDL=YES
1233          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1234          LIBS="$LIBS -ldl"],
1235         [HaveLibDL=NO])
1236     AC_SUBST(HaveLibDL)
1237
1238     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1239     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1240     AC_EGREP_CPP(yes,
1241     [
1242      #include <dlfcn.h>
1243      #ifdef RTLD_NEXT
1244             yes
1245      #endif
1246     ], [
1247       AC_MSG_RESULT(yes)
1248       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1249       HaveRtldNext=YES
1250     ], [
1251       AC_MSG_RESULT(no)
1252       HaveRtldNext=NO
1253       ])
1254     AC_SUBST(HaveRtldNext)
1255
1256     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1257     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1258     AC_EGREP_CPP(yes,
1259     [
1260      #include <dlfcn.h>
1261      #ifdef RTLD_LOCAL
1262             yes
1263      #endif
1264     ], [
1265       AC_MSG_RESULT(yes)
1266       AC_DEFINE(HAVE_RTLDLOCAL)
1267       HaveRtldLocal=YES
1268     ], [
1269       AC_MSG_RESULT(no)
1270       HaveRtldLocal=NO
1271       ])
1272     AC_SUBST(HaveRtldLocal)
1273
1274     dnl ** RTLD_GLOBAL isn't available on openbsd
1275     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1276     AC_EGREP_CPP(yes,
1277     [
1278      #include <dlfcn.h>
1279      #ifdef RTLD_GLOBAL
1280             yes
1281      #endif
1282     ], [
1283       AC_MSG_RESULT(yes)
1284       AC_DEFINE(HAVE_RTLDGLOBAL)
1285       HaveRtldGlobal=YES
1286     ], [
1287       AC_MSG_RESULT(no)
1288       HaveRtldGlobal=NO
1289       ])
1290     AC_SUBST(HaveRtldGlobal)
1291
1292     dnl ** RTLD_NOW isn't available on openbsd
1293     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1294     AC_EGREP_CPP(yes,
1295     [
1296      #include <dlfcn.h>
1297      #ifdef RTLD_NOW
1298             yes
1299      #endif
1300     ], [
1301       AC_MSG_RESULT(yes)
1302       AC_DEFINE(HAVE_RTLDNOW)
1303       HaveRtldNow=YES
1304     ], [
1305       AC_MSG_RESULT(no)
1306       HaveRtldNow=NO
1307       ])
1308     AC_SUBST(HaveRtldNow)
1309 fi
1310
1311 dnl ---------- usleep ----------
1312 dnl --- stolen from guile configure ---
1313 dnl --- FIXME: /usr/include/unistd.h can't be right?
1314
1315 ### On some systems usleep has no return value.  If it does have one,
1316 ### we'd like to return it; otherwise, we'll fake it.
1317 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1318   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1319                    /usr/include/unistd.h,
1320                    [cv_func_usleep_return_type=void],
1321                    [cv_func_usleep_return_type=int])])
1322 case "$cv_func_usleep_return_type" in
1323   "void" )
1324     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1325   ;;
1326 esac
1327
1328 dnl --------------------------------------------------
1329 dnl * test for GTK+
1330 dnl --------------------------------------------------
1331
1332 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1333 if test -n "$GTK_CONFIG"; then
1334   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1335     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1336   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1337     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1338      GTK_CONFIG=])
1339 fi
1340 AC_SUBST([GTK_CONFIG])
1341
1342 dnl --------------------------------------------------
1343 dnl * Miscellaneous feature tests
1344 dnl --------------------------------------------------
1345
1346 dnl ** can we get alloca?
1347 AC_FUNC_ALLOCA
1348
1349 dnl ** Working vfork?
1350 AC_FUNC_FORK
1351
1352 dnl ** determine whether or not const works
1353 AC_C_CONST
1354
1355 dnl ** are we big endian?
1356 AC_C_BIGENDIAN
1357
1358 dnl ** check for leading underscores in symbol names
1359 FP_LEADING_UNDERSCORE
1360
1361 dnl ** check for ld, and whether ld has -x option
1362 AC_PATH_PROG(LdCmdRaw, ld)
1363 case $HostOS_CPP in
1364  mingw32)
1365         if test "${OSTYPE}" == "msys"
1366            then
1367              LdCmd=${LdCmdRaw}
1368            else
1369              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1370         fi
1371            ;;
1372  *) LdCmd=${LdCmdRaw}
1373     ;;
1374 esac
1375 AC_SUBST(LdCmd)
1376 FPTOOLS_LD_X
1377
1378 AC_CONFIG_FILES([mk/config.mk])
1379 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1380 AC_OUTPUT