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, 1994-1998
   7 #
   8 # Configure script template for the Glasgow functional programming tools
   9 #
  10 # Process with 'autoconf' 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 # First off, a distrib sanity check..
  17 AC_INIT(mk/config.mk.in)
  18
  19 dnl * We require autoconf version 2.52
  20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  22 AC_PREREQ(2.52)
  23
  24 dnl * Declare subdirectories that have a private configure script
  25 dnl
  26 dnl After the toplevel configuration is complete, the script will recurse into
  27 dnl these subdirectories if they exist. The use of a cache file makes repeated
  28 dnl checks cheap.
  29 AC_CONFIG_SUBDIRS([ghc libraries])
  30
  31 # -------------------------------------------------------------------------
  32 # Prepare to generate the following header files
  33 #
  34 #
  35 AC_CONFIG_HEADER(mk/config.h)
  36
  37 # No, semi-sadly, we don't do `--srcdir'...
  38 if test x"$srcdir" != 'x.' ; then
  39     echo "This configuration does not support the \`--srcdir' option.."
  40     exit 1
  41 fi
  42
  43 dnl--------------------------------------------------------------------
  44 dnl * Choose host(/target/build) platform
  45 dnl--------------------------------------------------------------------
  46
  47 dnl Guess host/target/build platform(s) if necessary.
  48 AC_CANONICAL_SYSTEM
  49
  50 # "$host" defaults to "$target"
  51 if test "x$host" = xNONE ; then
  52     host=$target
  53 fi
  54
  55 dnl ** canonicalize platform names
  56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  59
  60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  61     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  62     exit 1
  63 fi
  64
  65 exeext=''
  66 #
  67 # The following will be more difficult when we *are* cross-compiling.
  68 # Suitable names to slam in *_CPP are in platform.h.in.
  69 # We also record the architecture, vendor, and operating system (OS)
  70 # separately.
  71 case $HostPlatform in
  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         HostPlatform_CPP='alpha_dec_osf1'
  77         HostArch_CPP='alpha'
  78         HostVendor_CPP='dec'
  79         HostOS_CPP='osf1'
  80         ;;
  81 alpha*-dec-osf[[345]]*)
  82         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  83         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  84         BuildPlatform=alpha-dec-osf3  # hack
  85         HostPlatform_CPP='alpha_dec_osf3'
  86         HostArch_CPP='alpha'
  87         HostVendor_CPP='dec'
  88         HostOS_CPP='osf3'
  89         ;;
  90 alpha*-unknown-linux*)
  91         HostPlatform=alpha-unknown-linux
  92         TargetPlatform=alpha-unknown-linux
  93         BuildPlatform=alpha-unknown-linux
  94         HostPlatform_CPP='alpha_unknown_linux'
  95         HostArch_CPP='alpha'
  96         HostVendor_CPP='unknown'
  97         HostOS_CPP='linux'
  98         ;;
  99 alpha*-unknown-freebsd*)
 100         HostPlatform=alpha-unknown-freebsd
 101         TargetPlatform=alpha-unknown-freebsd
 102         BuildPlatform=alpha-unknown-freebsd
 103         HostPlatform_CPP='alpha_unknown_freebsd'
 104         HostArch_CPP='alpha'
 105         HostVendor_CPP='unknown'
 106         HostOS_CPP='freebsd'
 107         ;;
 108 alpha*-unknown-openbsd*)
 109         HostPlatform=alpha-unknown-openbsd
 110         TargetPlatform=alpha-unknown-openbsd
 111         BuildPlatform=alpha-unknown-openbsd
 112         HostPlatform_CPP='alpha_unknown_openbsd'
 113         HostArch_CPP='alpha'
 114         HostVendor_CPP='unknown'
 115         HostOS_CPP='openbsd'
 116         ;;
 117 amd64-*-openbsd*|x86_64-*-openbsd*)
 118         HostPlatform=x86_64-unknown-openbsd
 119         TargetPlatform=x86_64-unknown-openbsd
 120         BuildPlatform=x86_64-unknown-openbsd
 121         HostPlatform_CPP='x86_64_unknown_openbsd'
 122         HostArch_CPP='x86_64'
 123         HostVendor_CPP='unknown'
 124         HostOS_CPP='openbsd'
 125         ;;
 126 arm*-linux*)
 127         HostPlatform=arm-unknown-linux # hack again
 128         TargetPlatform=arm-unknown-linux
 129         BuildPlatform=arm-unknown-linux
 130         HostPlatform_CPP='arm_unknown_linux'
 131         HostArch_CPP='arm'
 132         HostVendor_CPP='unknown'
 133         HostOS_CPP='linux'
 134         ;;
 135 arm*-openbsd*)
 136         HostPlatform=arm-unknown-openbsd
 137         TargetPlatform=arm-unknown-openbsd
 138         BuildPlatform=arm-unknown-openbsd
 139         HostPlatform_CPP='arm_unknown_openbsd'
 140         HostArch_CPP='arm'
 141         HostVendor_CPP='unknown'
 142         HostOS_CPP='openbsd'
 143         ;;
 144 hppa*-*-linux*)
 145         HostPlatform=hppa-unknown-linux # hack again
 146         TargetPlatform=hppa-unknown-linux
 147         BuildPlatform=hppa-unknown-linux
 148         HostPlatform_CPP='hppa_unknown_linux'
 149         HostArch_CPP='hppa'
 150         HostVendor_CPP='unknown'
 151         HostOS_CPP='linux'
 152         ;;
 153 hppa*-*-openbsd*)
 154         HostPlatform=hppa-unknown-openbsd # hack again
 155         TargetPlatform=hppa-unknown-openbsd
 156         BuildPlatform=hppa-unknown-openbsd
 157         HostPlatform_CPP='hppa_unknown_openbsd'
 158         HostArch_CPP='hppa'
 159         HostVendor_CPP='unknown'
 160         HostOS_CPP='openbsd'
 161         ;;
 162 hppa1.1-hp-hpux*)
 163         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 164         TargetPlatform=hppa1.1-hp-hpux
 165         BuildPlatform=hppa1.1-hp-hpux
 166         HostPlatform_CPP='hppa1_1_hp_hpux'
 167         HostArch_CPP='hppa1_1'
 168         HostVendor_CPP='hp'
 169         HostOS_CPP='hpux'
 170         ;;
 171 i[[3456]]86-*-linuxaout*)
 172         HostPlatform=i386-unknown-linuxaout   # hack again
 173         TargetPlatform=i386-unknown-linuxaout
 174         BuildPlatform=i386-unknown-linuxaout
 175         HostPlatform_CPP='i386_unknown_linuxaout'
 176         HostArch_CPP='i386'
 177         HostVendor_CPP='unknown'
 178         HostOS_CPP='linuxaout'
 179         ;;
 180 i[[3456]]86-*-linux*)
 181         HostPlatform=i386-unknown-linux # hack again
 182         TargetPlatform=i386-unknown-linux
 183         BuildPlatform=i386-unknown-linux
 184         HostPlatform_CPP='i386_unknown_linux'
 185         HostArch_CPP='i386'
 186         HostVendor_CPP='unknown'
 187         HostOS_CPP='linux'
 188         ;;
 189 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 190         HostPlatform=i386-unknown-freebsd # hack again
 191         TargetPlatform=i386-unknown-freebsd
 192         BuildPlatform=i386-unknown-freebsd
 193         HostPlatform_CPP='i386_unknown_freebsd'
 194         HostArch_CPP='i386'
 195         HostVendor_CPP='unknown'
 196         HostOS_CPP='freebsd'
 197         ;;
 198 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 199         HostPlatform=i386-unknown-freebsd2 # hack again
 200         TargetPlatform=i386-unknown-freebsd2
 201         BuildPlatform=i386-unknown-freebsd2
 202         HostPlatform_CPP='i386_unknown_freebsd2'
 203         HostArch_CPP='i386'
 204         HostVendor_CPP='unknown'
 205         HostOS_CPP='freebsd2'
 206         ;;
 207 i[[3456]]86-*-netbsd*)
 208         HostPlatform=i386-unknown-netbsd # hack again
 209         TargetPlatform=i386-unknown-netbsd
 210         BuildPlatform=i386-unknown-netbsd
 211         HostPlatform_CPP='i386_unknown_netbsd'
 212         HostArch_CPP='i386'
 213         HostVendor_CPP='unknown'
 214         HostOS_CPP='netbsd'
 215         ;;
 216 i[[3456]]86-*-openbsd*)
 217         HostPlatform=i386-unknown-openbsd # hack again
 218         TargetPlatform=i386-unknown-openbsd
 219         BuildPlatform=i386-unknown-openbsd
 220         HostPlatform_CPP='i386_unknown_openbsd'
 221         HostArch_CPP='i386'
 222         HostVendor_CPP='unknown'
 223         HostOS_CPP='openbsd'
 224         ;;
 225 i[[3456]]86-*-solaris2*)
 226         HostPlatform=i386-unknown-solaris2 # hack again
 227         TargetPlatform=i386-unknown-solaris2
 228         BuildPlatform=i386-unknown-solaris2
 229         HostPlatform_CPP='i386_unknown_solaris2'
 230         HostArch_CPP='i386'
 231         HostVendor_CPP='unknown'
 232         HostOS_CPP='solaris2'
 233         ;;
 234 i[[3456]]86-*-cygwin*)
 235         HostPlatform=i386-unknown-cygwin32 # hack again
 236         TargetPlatform=i386-unknown-cygwin32
 237         BuildPlatform=i386-unknown-cygwin32
 238         HostPlatform_CPP='i386_unknown_cygwin32'
 239         HostArch_CPP='i386'
 240         HostVendor_CPP='unknown'
 241         HostOS_CPP='cygwin32'
 242         exeext='.exe'
 243         ;;
 244 i[[3456]]86-*-mingw32*)
 245         HostPlatform=i386-unknown-mingw32 # hack again
 246         TargetPlatform=i386-unknown-mingw32
 247         BuildPlatform=i386-unknown-mingw32
 248         HostPlatform_CPP='i386_unknown_mingw32'
 249         HostArch_CPP='i386'
 250         HostVendor_CPP='unknown'
 251         HostOS_CPP='mingw32'
 252         exeext='.exe'
 253         ;;
 254 ia64-*-linux*)
 255         HostPlatform=ia64-unknown-linux # hack again
 256         TargetPlatform=ia64-unknown-linux
 257         BuildPlatform=ia64-unknown-linux
 258         HostPlatform_CPP='ia64_unknown_linux'
 259         HostArch_CPP='ia64'
 260         HostVendor_CPP='unknown'
 261         HostOS_CPP='linux'
 262         ;;
 263 x86_64-*-linux*)
 264         HostPlatform=x86_64-unknown-linux
 265         TargetPlatform=x86_64-unknown-linux
 266         BuildPlatform=x86_64-unknown-linux
 267         HostPlatform_CPP='x86_64_unknown_linux'
 268         HostArch_CPP='x86_64'
 269         HostVendor_CPP='unknown'
 270         HostOS_CPP='linux'
 271         ;;
 272 m68k-*-linux*)
 273         HostPlatform=m68k-unknown-linux # hack again
 274         TargetPlatform=m68k-unknown-linux
 275         BuildPlatform=m68k-unknown-linux
 276         HostPlatform_CPP='m68k_unknown_linux'
 277         HostArch_CPP='m68k'
 278         HostVendor_CPP='unknown'
 279         HostOS_CPP='linux'
 280         ;;
 281 m68k-next-nextstep2)
 282         HostPlatform_CPP='m68k_next_nextstep2'
 283         HostArch_CPP='m68k'
 284         HostVendor_CPP='next'
 285         HostOS_CPP='nextstep2'
 286         ;;
 287 m68k-next-nextstep3)
 288         HostPlatform_CPP='m68k_next_nextstep3'
 289         HostArch_CPP='m68k'
 290         HostVendor_CPP='next'
 291         HostOS_CPP='nextstep3'
 292         ;;
 293 i[[3456]]86-next-nextstep3)
 294         HostPlatform=i386-next-nextstep3 # hack again
 295         TargetPlatform=i386-next-nextstep3
 296         BuildPlatform=i386-next-nextstep3
 297         HostPlatform_CPP='i386_next_nextstep3'
 298         HostArch_CPP='i386'
 299         HostVendor_CPP='next'
 300         HostOS_CPP='nextstep3'
 301         ;;
 302 m68k-*-openbsd*)
 303         HostPlatform=m68k-unknown-openbsd
 304         TargetPlatform=m68k-unknown-openbsd
 305         BuildPlatform=m68k-unknown-openbsd
 306         HostPlatform_CPP='m68k_unknown_openbsd'
 307         HostArch_CPP='m68k'
 308         HostVendor_CPP='unknown'
 309         HostOS_CPP='openbsd'
 310         ;;
 311 m68k-*-netbsd*)
 312         HostPlatform=m68k-unknown-netbsd
 313         TargetPlatform=m68k-unknown-netbsd
 314         BuildPlatform=m68k-unknown-netbsd
 315         HostPlatform_CPP='m68k_unknown_netbsd'
 316         HostArch_CPP='m68k'
 317         HostVendor_CPP='unknown'
 318         HostOS_CPP='netbsd'
 319         ;;
 320 m68k-sun-sunos4*)
 321         HostPlatform=m68k-sun-sunos4
 322         TargetPlatform=m68k-sun-sunos4 #hack
 323         BuildPlatform=m68k-sun-sunos4 #hack
 324         HostPlatform_CPP='m68k_sun_sunos4'
 325         HostArch_CPP='m68k'
 326         HostVendor_CPP='sun'
 327         HostOS_CPP='sunos4'
 328         ;;
 329 m88k-*-openbsd*)
 330         HostPlatform=m88k-unknown-openbsd
 331         TargetPlatform=m88k-unknown-openbsd
 332         BuildPlatform=m88k-unknown-openbsd
 333         HostPlatform_CPP='m88k_unknown_openbsd'
 334         HostArch_CPP='m88k'
 335         HostVendor_CPP='unknown'
 336         HostOS_CPP='openbsd'
 337         ;;
 338 mips-*-linux*)
 339         HostPlatform=mips-unknown-linux # hack again
 340         TargetPlatform=mips-unknown-linux
 341         BuildPlatform=mips-unknown-linux
 342         HostPlatform_CPP='mips_unknown_linux'
 343         HostArch_CPP='mips'
 344         HostVendor_CPP='unknown'
 345         HostOS_CPP='linux'
 346         ;;
 347 mips-dec-ultrix*)
 348         HostPlatform_CPP='mips_dec_ultrix'
 349         HostArch_CPP='mipsel'   # NB a little different
 350         HostVendor_CPP='dec'
 351         HostOS_CPP='ultrix'
 352         ;;
 353 mips-sgi-irix*)
 354         HostPlatform=mips-sgi-irix
 355         TargetPlatform=mips-sgi-irix #hack
 356         BuildPlatform=mips-sgi-irix #hack
 357         HostPlatform_CPP='mips_sgi_irix'
 358         HostArch_CPP='mipseb'   # NB a little different
 359         HostVendor_CPP='sgi'
 360         HostOS_CPP='irix'
 361         ;;
 362 rs6000-ibm-aix*)
 363         HostPlatform=rs6000-ibm-aix
 364         TargetPlatform=rs6000-ibm-aix #hack
 365         BuildPlatform=rs6000-ibm-aix #hack
 366         HostPlatform_CPP='rs6000_ibm_aix'
 367         HostArch_CPP='rs6000'
 368         HostVendor_CPP='ibm'
 369         HostOS_CPP='aix'
 370         ;;
 371 powerpc-ibm-aix*)
 372         HostPlatform=powerpc-ibm-aix
 373         TargetPlatform=powerpc-ibm-aix #hack
 374         BuildPlatform=powerpc-ibm-aix #hack
 375         HostPlatform_CPP='powerpc_ibm_aix'
 376         HostArch_CPP='powerpc'
 377         HostVendor_CPP='ibm'
 378         HostOS_CPP='aix'
 379         ;;
 380 powerpc-apple-darwin*)
 381         HostPlatform=powerpc-apple-darwin
 382         TargetPlatform=powerpc-apple-darwin #hack
 383         BuildPlatform=powerpc-apple-darwin #hack
 384         HostPlatform_CPP='powerpc_apple_darwin'
 385         HostArch_CPP='powerpc'
 386         HostVendor_CPP='apple'
 387         HostOS_CPP='darwin'
 388         ;;
 389 powerpc-unknown-linux*)
 390         HostPlatform=powerpc-unknown-linux
 391         TargetPlatform=powerpc-unknown-linux
 392         BuildPlatform=powerpc-unknown-linux
 393         HostPlatform_CPP='powerpc_unknown_linux'
 394         HostArch_CPP='powerpc'
 395         HostVendor_CPP='unknown'
 396         HostOS_CPP='linux'
 397         ;;
 398 powerpc-unknown-openbsd*)
 399         HostPlatform=powerpc-unknown-openbsd
 400         TargetPlatform=powerpc-unknown-openbsd
 401         BuildPlatform=powerpc-unknown-openbsd
 402         HostPlatform_CPP='powerpc_unknown_openbsd'
 403         HostArch_CPP='powerpc'
 404         HostVendor_CPP='unknown'
 405         HostOS_CPP='openbsd'
 406         ;;
 407 s390-ibm-linux*)
 408        HostPlatform=s390-ibm-linux
 409        TargetPlatform=s390-ibm-linux #hack
 410        BuildPlatform=s390-ibm-linux #hack
 411         HostPlatform_CPP='s390_ibm_linux'
 412         HostArch_CPP='s390'
 413         HostVendor_CPP='ibm'
 414         HostOS_CPP='linux'
 415         ;;
 416 sparc-sun-sunos4*)
 417         HostPlatform=sparc-sun-sunos4
 418         TargetPlatform=sparc-sun-sunos4 #hack
 419         BuildPlatform=sparc-sun-sunos4 #hack
 420         HostPlatform_CPP='sparc_sun_sunos4'
 421         HostArch_CPP='sparc'
 422         HostVendor_CPP='sun'
 423         HostOS_CPP='sunos4'
 424         ;;
 425 sparc-sun-solaris2*)
 426         HostPlatform=sparc-sun-solaris2
 427         TargetPlatform=sparc-sun-solaris2 #hack
 428         BuildPlatform=sparc-sun-solaris2 #hack
 429         HostPlatform_CPP='sparc_sun_solaris2'
 430         HostArch_CPP='sparc'
 431         HostVendor_CPP='sun'
 432         HostOS_CPP='solaris2'
 433         ;;
 434 sparc*-linux*)
 435         HostPlatform=sparc-unknown-linux
 436         TargetPlatform=sparc-unknown-linux
 437         BuildPlatform=sparc-unknown-linux
 438         HostPlatform_CPP='sparc_unknown_linux'
 439         HostArch_CPP='sparc'
 440         HostVendor_CPP='unknown'
 441         HostOS_CPP='linux'
 442         ;;
 443 sparc-*-openbsd*)
 444         HostPlatform=sparc-unknown-openbsd
 445         TargetPlatform=sparc-unknown-openbsd
 446         BuildPlatform=sparc-unknown-openbsd
 447         HostPlatform_CPP='sparc_unknown_openbsd'
 448         HostArch_CPP='sparc'
 449         HostVendor_CPP='unknown'
 450         HostOS_CPP='openbsd'
 451         ;;
 452 sparc64-*-openbsd*)
 453         HostPlatform=sparc64-unknown-openbsd
 454         TargetPlatform=sparc64-unknown-openbsd
 455         BuildPlatform=sparc64-unknown-openbsd
 456         HostPlatform_CPP='sparc64_unknown_openbsd'
 457         HostArch_CPP='sparc64'
 458         HostVendor_CPP='unknown'
 459         HostOS_CPP='openbsd'
 460         ;;
 461 vax-*-openbsd*)
 462         HostPlatform=vax-unknown-openbsd
 463         TargetPlatform=vax-unknown-openbsd
 464         BuildPlatform=vax-unknown-openbsd
 465         HostPlatform_CPP='vax_unknown_openbsd'
 466         HostArch_CPP='vax'
 467         HostVendor_CPP='unknown'
 468         HostOS_CPP='openbsd'
 469         ;;
 470 *)
 471         echo "Unrecognised platform: $HostPlatform"
 472         exit 1
 473         ;;
 474 esac
 475 echo "Canonicalised to: $HostPlatform"
 476 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 477 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 478
 479 BuildPlatform_CPP=$HostPlatform_CPP
 480 TargetPlatform_CPP=$HostPlatform_CPP
 481 BuildArch_CPP=$HostArch_CPP
 482 TargetArch_CPP=$HostArch_CPP
 483 BuildOS_CPP=$HostOS_CPP
 484 HostOS_Full=$host_os
 485 TargetOS_CPP=$HostOS_CPP
 486 BuildVendor_CPP=$HostVendor_CPP
 487 TargetVendor_CPP=$HostVendor_CPP
 488
 489 AC_SUBST(BuildPlatform)
 490 AC_SUBST(HostPlatform)
 491 AC_SUBST(TargetPlatform)
 492 AC_SUBST(HostPlatform_CPP)
 493 AC_SUBST(BuildPlatform_CPP)
 494 AC_SUBST(TargetPlatform_CPP)
 495
 496 AC_SUBST(HostArch_CPP)
 497 AC_SUBST(BuildArch_CPP)
 498 AC_SUBST(TargetArch_CPP)
 499
 500 AC_SUBST(HostOS_CPP)
 501 AC_SUBST(HostOS_Full)
 502 AC_SUBST(BuildOS_CPP)
 503 AC_SUBST(TargetOS_CPP)
 504
 505 AC_SUBST(HostVendor_CPP)
 506 AC_SUBST(BuildVendor_CPP)
 507 AC_SUBST(TargetVendor_CPP)
 508
 509 AC_SUBST(exeext)
 510
 511 dnl --------------------------------------------------------------
 512 dnl * Calculate absolute path to build tree
 513 dnl --------------------------------------------------------------
 514
 515 AC_MSG_CHECKING(for path to top of build tree)
 516
 517 hardtop=`pwd`
 518
 519 dnl Remove common automounter nonsense
 520 dnl
 521 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 522
 523 dnl Find 'hardtop_plat', the native format for 'hardtop'
 524 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
 525 dnl
 526 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
 527 dnl              but we must not do that if we aren't building using Cygwin (notably msys),
 528 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin'
 529 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
 530 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
 531 dnl
 532 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
 533 dnl              about setting that correctly at the moment, so we just work around for now.
 534 dnl
 535 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
 536 dnl              is not set.
 537 case $HostPlatform in
 538   i386-unknown-mingw32 | i386-unknown-cygwin32)
 539         if test "${OSTYPE}" != "msys"
 540           then
 541             # convert $hardtop to a path that mingw will understand too
 542             cyghardtop=${hardtop}
 543             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 544             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 545           else
 546             hardtop_plat=${hardtop}
 547         fi
 548         ;;
 549   *)
 550         hardtop_plat=${hardtop}
 551         ;;
 552 esac
 553 AC_SUBST(hardtop)
 554 AC_SUBST(hardtop_plat)
 555
 556 AC_MSG_RESULT(${hardtop})
 557
 558 dnl --------------------------------------------------------------
 559 dnl * Project specific configuration options
 560 dnl --------------------------------------------------------------
 561 dnl What follows is a bunch of options that can either be configured
 562 dnl through command line options to the configure script or by
 563 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 564 dnl use either is considered a Feature.
 565
 566 dnl ** What command to use to compile compiler sources ?
 567 dnl --------------------------------------------------------------
 568
 569 AC_ARG_WITH(ghc,
 570 [AC_HELP_STRING([--with-ghc=ARG],
 571         [Use ARG as the path to GHC  [default=autodetect]])],
 572 [ WithGhc="$withval" ],
 573 [
 574   if test "$GHC" = ""; then
 575     AC_PATH_PROG(GHC,ghc)
 576   fi
 577   WithGhc=$GHC
 578 ])
 579 AC_SUBST(WithGhc)
 580
 581 AC_ARG_WITH(hc,
 582 [AC_HELP_STRING([--with-hc=ARG],
 583         [Use ARG as the path to the compiler for compiling ordinary
 584          Haskell code  (default= value of --with-ghc)])],
 585 [WithHc="$withval"],
 586 [WithHc=$WithGhc]
 587 )
 588 AC_SUBST(WithHc)
 589
 590 if test "$WithGhc" != ""; then
 591   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 592   AC_SUBST(GhcVersion)dnl
 593   AC_SUBST(GhcMajVersion)dnl
 594   AC_SUBST(GhcMinVersion)dnl
 595   AC_SUBST(GhcPatchLevel)dnl
 596 fi
 597
 598 AC_PATH_PROGS(NHC,nhc nhc98)
 599 AC_PATH_PROG(HBC,hbc)
 600
 601 dnl ** Which gcc to use?
 602 dnl --------------------------------------------------------------
 603 AC_ARG_WITH(gcc,
 604 [AC_HELP_STRING([--with-gcc=ARG],
 605         [Use ARG as the path to GCC  [default=autodetect]])],
 606 [WhatGccIsCalled="$withval"
 607  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 608     then
 609        if test "${OSTYPE}" != "msys"
 610          then
 611          # Canonicalise to <drive>:/path/to/gcc
 612          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 613        fi
 614  fi;
 615  CC="$withval"],
 616 [WhatGccIsCalled="gcc"]
 617 )
 618 AC_SUBST(WhatGccIsCalled)
 619
 620 dnl ** Booting from .hc files?
 621 dnl --------------------------------------------------------------
 622 AC_ARG_ENABLE(hc-boot,
 623 [AC_HELP_STRING([--enable-hc-boot],
 624 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 625  (This option is mostly of interest to porters.) [default=no]])],
 626 [ if test x"$enableval" = x"yes"; then
 627         BootingFromHc=YES
 628   else
 629         BootingFromHc=NO
 630   fi
 631 ],
 632 [BootingFromHc=NO]
 633 )
 634 AC_SUBST(BootingFromHc)
 635
 636 dnl ** Booting from unregisterised .hc files?
 637 dnl --------------------------------------------------------------
 638 AC_ARG_ENABLE(hc-boot-unregisterised,
 639 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 640 [ With --enable-hc-boot, treat the intermediate .hc files as
 641  unregisterised rather than registerised code.
 642  (This option is mostly of interest to porters.) [default=no]])],
 643 [ if test x"$enableval" = x"yes"; then
 644         BootingFromUnregisterisedHc=YES
 645   else
 646         BootingFromUnregisterisedHc=NO
 647   fi
 648 ],
 649 [BootingFromUnregisterisedHc=NO]
 650 )
 651 AC_SUBST(BootingFromUnregisterisedHc)
 652
 653 if test "$BootingFromHc" = "NO"; then
 654 if test "$BootingFromUnregisterisedHc" = "YES"; then
 655 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 656 fi;
 657 fi;
 658
 659 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 660 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 661 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 662 fi;
 663
 664 dnl ** --enable-threaded-rts (not used any more)
 665 dnl --------------------------------------------------------------
 666 AC_ARG_ENABLE(threaded-rts,
 667 [AC_HELP_STRING([--enable-threaded-rts],
 668 [DEPRECATED (backwards compatibility only). [default=no]])],
 669 [ if test x"$enableval" = x"yes"; then
 670         ThreadedRts=YES
 671   else
 672         ThreadedRts=NO
 673   fi
 674 ],
 675 [ThreadedRts=NO]
 676 )
 677 AC_SUBST(ThreadedRts)
 678
 679 dnl ** Enable the construction of Win32 DLLs?
 680 dnl --------------------------------------------------------------
 681 dnl
 682 dnl [ The ability to build the RTS and libraries as separate DLLs used
 683 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 684 dnl   and build system would be required to bring it back again.)
 685 dnl   Hence, exposing it as an option is false advertisement, so better
 686 dnl   disable it to avoid confusion (but leave it commented-out rather
 687 dnl   than removed in order to remind ourselves to bring back the
 688 dnl   feature at some stage.) ]
 689 dnl
 690 dnl AC_ARG_ENABLE(win32-dlls,
 691 dnl [  --enable-win32-dlls
 692 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 693 dnl     construction of DLLs containing ghc-compiled code.
 694 dnl ],
 695 dnl [
 696 dnl case $HostOS_CPP in
 697 dnl cygwin32) ;;
 698 dnl mingw32)  ;;
 699 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 700 dnl       exit 1
 701 dnl       ;;
 702 dnl esac
 703 dnl EnableWin32DLLs=YES
 704 dnl ],
 705 dnl [EnableWin32DLLs=NO]
 706 dnl )
 707 dnl AC_SUBST(EnableWin32DLLs)
 708 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 709 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 710 dnl fi
 711
 712 dnl ** Enable the building of the ObjectIO?
 713 dnl --------------------------------------------------------------
 714 AC_ARG_ENABLE(objectio,
 715 [AC_HELP_STRING([--enable-objectio],
 716 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 717 [ if test x"$enableval" = x"yes"; then
 718         GhcLibsWithObjectIO=YES
 719   else
 720         GhcLibsWithObjectIO=NO
 721   fi
 722 ],
 723 [GhcLibsWithObjectIO=NO]
 724 )
 725 AC_SUBST(GhcLibsWithObjectIO)
 726
 727 dnl ** Enable the building of the OpenAL binding?
 728 dnl --------------------------------------------------------------
 729 AC_ARG_ENABLE([openal],
 730   AC_HELP_STRING([--enable-openal],
 731                  [Build OpenAL binding [[default=autodetect]]]),
 732   [ if test x"$enableval" = x"yes"; then
 733         GhcLibsWithOpenAL=YES
 734     else
 735         GhcLibsWithOpenAL=NO
 736     fi
 737   ],
 738   [GhcLibsWithOpenAL=yes])
 739
 740 AC_SUBST([GhcLibsWithOpenAL])
 741
 742 dnl ** .NET interop support?
 743 dnl --------------------------------------------------------------
 744 AC_ARG_ENABLE(dotnet,
 745 [AC_HELP_STRING([--enable-dotnet],
 746 [Build .NET interop layer. [default=no]])],
 747 [ if test x"$enableval" = x"yes"; then
 748         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 749   else
 750         DotnetSupport=NO
 751   fi],
 752 [DotnetSupport=NO]
 753 )
 754 AC_SUBST(DotnetSupport)
 755
 756 dnl --------------------------------------------------------------
 757 dnl End of configure script option section
 758 dnl --------------------------------------------------------------
 759
 760
 761 dnl --------------------------------------------------------------
 762 dnl * General configuration checks
 763 dnl --------------------------------------------------------------
 764
 765 dnl ** Can the unix package be built?
 766 dnl --------------------------------------------------------------
 767
 768 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 769    GhcLibsWithUnix=NO
 770 else
 771    GhcLibsWithUnix=YES
 772 fi
 773 AC_SUBST([GhcLibsWithUnix])
 774
 775 dnl ** does #! work?
 776 AC_SYS_INTERPRETER()
 777
 778 dnl ** look for `perl', but only in /bin on Windows
 779 case $HostOS_CPP in
 780 cygwin32|mingw32)
 781       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 782       if test -z "$PerlCmd"; then
 783          echo "You must install the version of Perl shipped with GHC"
 784          echo "(or a compatible one) in /bin."
 785          exit 1
 786       fi
 787    ;;
 788 *)
 789    AC_PATH_PROG(PerlCmd,perl)
 790    if test -z "$PerlCmd"; then
 791       echo "You must install perl before you can continue"
 792       echo "Perhaps it is already installed, but not in your PATH?"
 793       exit 1
 794    else
 795    FPTOOLS_CHECK_PERL_VERSION
 796    fi
 797    ;;
 798 esac
 799
 800 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 801 FPTOOLS_SHEBANG_PERL
 802
 803 dnl ** check for Python
 804 AC_PATH_PROG(PythonCmd,python)
 805
 806 dnl ** look for GCC and find out which version
 807 dnl     Figure out which C compiler to use.  Gcc is preferred.
 808 dnl     If gcc, make sure it's at least 2.1
 809 dnl
 810 AC_PROG_CC
 811 FPTOOLS_HAVE_GCC
 812 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 813
 814 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 815 AC_PROG_CPP
 816
 817 dnl ** Without optimization some INLINE trickery fails for GHCi
 818 SRC_CC_OPTS="-O"
 819
 820 dnl ** Try to add -mno-cygwin to the C compiler options
 821 FP_CHECK_FLAG([-mno-cygwin], [
 822 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 823 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 824 AC_SUBST(SRC_CC_OPTS)
 825
 826 dnl ** figure out how to do context diffs
 827 FP_PROG_CONTEXT_DIFF
 828
 829 dnl ** Find find command (for Win32's benefit)
 830 FP_PROG_FIND
 831
 832 dnl ** figure out how to do a BSD-ish install
 833 AC_PROG_INSTALL
 834
 835 dnl If you can run configure, you certainly have /bin/sh
 836 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 837
 838 dnl ** how to invoke `ar' and `ranlib'
 839 FP_PROG_AR_NEEDS_RANLIB
 840 FP_PROG_AR_SUPPORTS_INPUT
 841
 842 dnl ** Check to see whether ln -s works
 843 AC_PROG_LN_S
 844
 845
 846 dnl ** Find the path to sed
 847 AC_PATH_PROG(SedCmd,sed)
 848
 849
 850 dnl ** check for time command
 851 AC_PATH_PROG(TimeCmd,time)
 852
 853 dnl ** check for tar
 854 dnl   if GNU tar is named gtar, look for it first.
 855 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 856
 857 dnl ** check for DocBook toolchain
 858 FP_CHECK_DOCBOOK_DTD
 859 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
 860 FP_PROG_FO_PROCESSOR
 861
 862 dnl ** check for ghc-pkg command
 863 FP_PROG_GHC_PKG
 864
 865 AC_ARG_WITH(greencard,
 866 [AC_HELP_STRING([--with-greencard=ARG],
 867         [Use ARG as the path to greencard  [default=autodetct]])],
 868 [
 869 GreenCardCmd=$withval;
 870 FPTOOLS_GREENCARD(3.00)
 871 ]
 872 )
 873
 874 AC_ARG_ENABLE(src-tree-happy,
 875 [AC_HELP_STRING([--enable-src-tree-happy],
 876         [Build and use source tree (fptools/happy) version of Happy.
 877          [default=autodetect]])],
 878 [ if test x"$enableval" = x"yes"; then
 879         UseSrcTreeHappy=YES
 880   else
 881         UseSrcTreeHappy=NO
 882   fi
 883 ],
 884 [UseSrcTreeHappy=NO]
 885 )
 886 dnl ** check for installed happy binary + version
 887 dnl    (don't do it if we're booting from .hc files though.)
 888 if test "$BootingFromHc" = "NO"; then
 889 FPTOOLS_HAPPY
 890 fi;
 891
 892 AC_ARG_ENABLE(src-tree-haddock,
 893 [AC_HELP_STRING([--enable-src-tree-haddock],
 894         [Build and use source tree (fptools/haddock) version of Haddock.
 895          [default=autodetect]])],
 896 [ if test x"$enableval" = x"yes"; then
 897         UseSrcTreeHaddock=YES
 898   else
 899         UseSrcTreeHaddock=NO
 900   fi
 901 ],
 902 [UseSrcTreeHaddock=NO]
 903 )
 904 dnl ** check for installed haddock
 905 FPTOOLS_HADDOCK
 906
 907 AC_ARG_ENABLE(src-tree-alex,
 908 [AC_HELP_STRING([--enable-src-tree-alex],
 909         [Build and use source tree (fptools/alex) version of Alex.
 910          [default=autodetect]])],
 911 [ if test x"$enableval" = x"yes"; then
 912         UseSrcTreeAlex=YES
 913   else
 914         UseSrcTreeAlex=NO
 915   fi
 916 ],
 917 [UseSrcTreeAlex=NO]
 918 )
 919 dnl ** check for installed alex binary + version
 920 dnl    (don't do it if we're booting from .hc files though.)
 921 if test "$BootingFromHc" = "NO"; then
 922 FPTOOLS_ALEX
 923 fi;
 924
 925 dnl --------------------------------------------------
 926 dnl ### program checking section ends here ###
 927 dnl --------------------------------------------------
 928
 929 dnl --------------------------------------------------
 930 dnl * Platform header file and syscall feature tests
 931 dnl ### checking the state of the local header files and syscalls ###
 932
 933 dnl ** check for full ANSI header (.h) files
 934 AC_HEADER_STDC
 935
 936 dnl ** Enable large file support.  NB. do this before testing the type of
 937 dnl    off_t, because it will affect the result of that test.
 938 AC_SYS_LARGEFILE
 939
 940 dnl ** check for specific header (.h) files that we are interested in
 941 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 limits.h locale.h malloc.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stddef.h stdarg.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/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h])
 942 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 943
 944 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 945 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 946
 947 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 948   GhcLibsWithReadline=YES
 949   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 950 else
 951   GhcLibsWithReadline=NO
 952   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 953 fi
 954 AC_SUBST(GhcLibsWithReadline)
 955
 956 dnl ** check for DOS include files
 957 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 958
 959 dnl ** check for Windows include files
 960 AC_CHECK_HEADERS(windows.h)
 961
 962 dnl ** check for OpenGL/GLUT include paths and libraries
 963 FP_CHECK_GLUT
 964
 965 if test x"$no_GLU" = xyes; then
 966   GhcLibsWithOpenGL=NO
 967 else
 968   GhcLibsWithOpenGL=YES
 969 fi
 970 AC_SUBST([GhcLibsWithOpenGL])
 971
 972 if test x"$no_GLUT" = xyes; then
 973   GhcLibsWithGLUT=NO
 974 else
 975   GhcLibsWithGLUT=YES
 976 fi
 977 AC_SUBST([GhcLibsWithGLUT])
 978
 979 dnl ** check for OpenGL include files
 980 fp_save_cppflags="$CPPFLAGS"
 981 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 982 if test x"$use_quartz_opengl" = xyes; then
 983   AC_CHECK_HEADERS([OpenGL/gl.h])
 984 else
 985   AC_CHECK_HEADERS([GL/gl.h])
 986 fi
 987 CPPFLAGS="$fp_save_cppflags"
 988
 989 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 990 AC_HEADER_TIME
 991
 992 dnl dynamic loading include files
 993 AC_CHECK_HEADERS(dlfcn.h dl.h)
 994
 995 dnl ** check for POSIX regex
 996 HavePosixRegex=NO
 997 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
 998 AC_SUBST(HavePosixRegex)
 999
1000 dnl ** how do we get a timezone name, and UTC offset ?
1001 AC_STRUCT_TIMEZONE
1002
1003 dnl ** do we have altzone?
1004 FP_DECL_ALTZONE
1005
1006 dnl ** does struct stat contain st_blksize?
1007 AC_STRUCT_ST_BLKSIZE
1008
1009 dnl ** do we have long longs?
1010 AC_CHECK_TYPES([long long])
1011
1012 dnl ** check what fields struct msghdr contains
1013 AC_CHECK_HEADERS([sys/socket.h sys/uio.h])
1014 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
1015 # include <sys/types.h>
1016 #endif
1017 #if HAVE_SYS_SOCKET_H
1018 # include <sys/socket.h>
1019 #endif
1020 #if HAVE_SYS_UIO_H
1021 # include <sys/uio.h>
1022 #endif])
1023
1024 dnl ** what are the sizes of various types
1025 AC_CHECK_SIZEOF(char,               1)
1026 AC_CHECK_SIZEOF(double,             8)
1027 AC_CHECK_SIZEOF(float,              4)
1028 AC_CHECK_SIZEOF(int,                4)
1029 AC_CHECK_SIZEOF(long,               4)
1030 if test "$ac_cv_type_long_long" = yes; then
1031 AC_CHECK_SIZEOF(long long,          8)
1032 fi
1033 AC_CHECK_SIZEOF(short,              2)
1034 AC_CHECK_SIZEOF(unsigned char,      1)
1035 AC_CHECK_SIZEOF(unsigned int,       4)
1036 AC_CHECK_SIZEOF(unsigned long,      4)
1037 if test "$ac_cv_type_long_long" = yes; then
1038 AC_CHECK_SIZEOF(unsigned long long, 8)
1039 fi
1040 AC_CHECK_SIZEOF(unsigned short,     2)
1041 AC_CHECK_SIZEOF(void *,             4)
1042
1043 dnl ** what are alignment constraints on various types
1044 FP_CHECK_ALIGNMENT(char)
1045 FP_CHECK_ALIGNMENT(double)
1046 FP_CHECK_ALIGNMENT(float)
1047 FP_CHECK_ALIGNMENT(int)
1048 FP_CHECK_ALIGNMENT(long)
1049 if test "$ac_cv_type_long_long" = yes; then
1050 FP_CHECK_ALIGNMENT(long long)
1051 fi
1052 FP_CHECK_ALIGNMENT(short)
1053 FP_CHECK_ALIGNMENT(unsigned char)
1054 FP_CHECK_ALIGNMENT(unsigned int)
1055 FP_CHECK_ALIGNMENT(unsigned long)
1056 if test "$ac_cv_type_long_long" = yes; then
1057 FP_CHECK_ALIGNMENT(unsigned long long)
1058 fi
1059 FP_CHECK_ALIGNMENT(unsigned short)
1060 FP_CHECK_ALIGNMENT(void *)
1061
1062 dnl ** map standard C types and ISO types to Haskell types
1063 FPTOOLS_CHECK_HTYPE(char)
1064 FPTOOLS_CHECK_HTYPE(signed char)
1065 FPTOOLS_CHECK_HTYPE(unsigned char)
1066 FPTOOLS_CHECK_HTYPE(short)
1067 FPTOOLS_CHECK_HTYPE(unsigned short)
1068 FPTOOLS_CHECK_HTYPE(int)
1069 FPTOOLS_CHECK_HTYPE(unsigned int)
1070 FPTOOLS_CHECK_HTYPE(long)
1071 FPTOOLS_CHECK_HTYPE(unsigned long)
1072 if test "$ac_cv_type_long_long" = yes; then
1073 FPTOOLS_CHECK_HTYPE(long long)
1074 FPTOOLS_CHECK_HTYPE(unsigned long long)
1075 fi
1076 FPTOOLS_CHECK_HTYPE(float)
1077 FPTOOLS_CHECK_HTYPE(double)
1078 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1079 FPTOOLS_CHECK_HTYPE(size_t)
1080 FPTOOLS_CHECK_HTYPE(wchar_t)
1081 dnl Int32 is a HACK for non-ISO C compilers
1082 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1083 FPTOOLS_CHECK_HTYPE(clock_t)
1084 FPTOOLS_CHECK_HTYPE(time_t)
1085 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1086 FPTOOLS_CHECK_HTYPE(ino_t)
1087 FPTOOLS_CHECK_HTYPE(mode_t)
1088 FPTOOLS_CHECK_HTYPE(off_t)
1089 FPTOOLS_CHECK_HTYPE(pid_t)
1090 FPTOOLS_CHECK_HTYPE(gid_t)
1091 FPTOOLS_CHECK_HTYPE(uid_t)
1092 FPTOOLS_CHECK_HTYPE(cc_t)
1093 FPTOOLS_CHECK_HTYPE(speed_t)
1094 FPTOOLS_CHECK_HTYPE(tcflag_t)
1095 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1096 FPTOOLS_CHECK_HTYPE(nlink_t)
1097 FPTOOLS_CHECK_HTYPE(ssize_t)
1098 FPTOOLS_CHECK_HTYPE(rlim_t)
1099 FPTOOLS_CHECK_HTYPE(wint_t)
1100
1101 dnl ** Map OpenGL data types to Haskell types
1102 if test $GhcLibsWithOpenGL = YES ; then
1103 FPTOOLS_CHECK_HTYPE(GLboolean)
1104 FPTOOLS_CHECK_HTYPE(GLbyte)
1105 FPTOOLS_CHECK_HTYPE(GLubyte)
1106 FPTOOLS_CHECK_HTYPE(GLshort)
1107 FPTOOLS_CHECK_HTYPE(GLushort)
1108 FPTOOLS_CHECK_HTYPE(GLint)
1109 FPTOOLS_CHECK_HTYPE(GLuint)
1110 FPTOOLS_CHECK_HTYPE(GLsizei)
1111 FPTOOLS_CHECK_HTYPE(GLenum)
1112 FPTOOLS_CHECK_HTYPE(GLbitfield)
1113 FPTOOLS_CHECK_HTYPE(GLfloat)
1114 FPTOOLS_CHECK_HTYPE(GLclampf)
1115 FPTOOLS_CHECK_HTYPE(GLdouble)
1116 FPTOOLS_CHECK_HTYPE(GLclampd)
1117 fi
1118
1119 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 <stdio.h>
1120 #include <errno.h>])
1121
1122 dnl ** can we open files in binary mode?
1123 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1124
1125 FP_CHECK_FUNC([WinExec],
1126   [@%:@include <windows.h>], [WinExec("",0)])
1127
1128 FP_CHECK_FUNC([GetModuleFileName],
1129   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1130
1131 dnl ** check return type of signal handlers
1132 dnl Foo: assumes we can use prototypes.
1133 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1134 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1135 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1136 dnl #include <signal.h>
1137 dnl #ifdef signal
1138 dnl #undef signal
1139 dnl #endif
1140 dnl void (*signal (int, void (*)(int)))(int);
1141 dnl ],
1142 dnl [int i;],
1143 dnl ac_cv_type_signal_handler=void_int,
1144 dnl ac_cv_type_signal_handler=int_void)])
1145 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1146 dnl AC_DEFINE(VOID_INT_SIGNALS)
1147 dnl fi
1148
1149 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1150 AC_TYPE_SIGNAL
1151 if test "$ac_cv_type_signal" = void; then
1152   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1153 fi
1154
1155 dnl ** check for more functions
1156 AC_CHECK_FUNCS([ftime getclock getgrgid_r getgrnam_r getpagesize getpwnam_r getpwuid_r getrusage gettimeofday gmtime_r localtime_r lstat readdir_r readlink setenv setitimer siginterrupt symlink sysconf times unsetenv])
1157
1158 dnl ** Solaris2 needs additionl flag for getpw*_r()
1159 case "$TargetPlatform" in
1160   *-solaris2*)
1161     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1162     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1163   ;;
1164 esac
1165
1166 dnl ** check whether this machine has gmp3 installed
1167 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1168   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1169     HaveLibGmp=NO; LibGmp=not-installed))
1170 AC_SUBST(HaveLibGmp)
1171 AC_SUBST(LibGmp)
1172
1173 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1174 HaveFrameworkHaskellSupport=NO
1175 if test $HostPlatform = "powerpc-apple-darwin"; then
1176  AC_MSG_CHECKING([for HaskellSupport.framework])
1177  save_libs="$LIBS"
1178  LIBS="-framework HaskellSupport"
1179  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1180  if test $HaveFrameworkHaskellSupport = YES; then
1181   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1182  fi;
1183  LIBS="$save_libs"
1184  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1185 fi;
1186 AC_SUBST(HaveFrameworkHaskellSupport)
1187
1188 dnl ** check for mingwex library
1189 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1190 AC_SUBST(HaveLibMingwEx)
1191
1192 if test $HaveLibMingwEx = YES ; then
1193   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1194 fi
1195
1196 if test "$HaveLibGmp" = "NO"; then
1197 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1198 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1199 fi;
1200 fi;
1201
1202 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1203 dnl    the order of these tests matters: bfd needs liberty
1204 AC_CHECK_LIB(iberty, xmalloc)
1205 AC_CHECK_LIB(bfd,    bfd_init)
1206
1207 dnl ** check for wide-char classifications
1208 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1209 dnl functions if it's really there.
1210 AC_CHECK_HEADERS(wctype.h,
1211   [AC_CHECK_FUNCS(iswspace)]
1212 )
1213
1214 dnl ** check for readline, for Hugs and hslibs' Readline
1215 dnl ncurses supersedes termcap and curses, but for compatibility,
1216 dnl we have to check for all...
1217 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1218   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1219     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1220       HaveLibTermcap=NO; LibTermcap=not-installed)))
1221
1222 if test $HaveLibTermcap = YES ; then
1223   LIBS="-l$LibTermcap $LIBS"
1224   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1225 fi
1226
1227 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1228   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1229   LibsReadline="readline $LibTermcap"
1230 else
1231   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1232   LibsReadline=
1233 fi
1234 AC_SUBST(LibsReadline)
1235
1236 if test "$HaveLibReadline"; then
1237   AC_CHECK_LIB(readline, rl_erase_empty_line,
1238     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1239     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1240   AC_CHECK_LIB(readline, rl_free_undo_list,
1241     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1242     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1243 else
1244   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1245   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1246 fi
1247
1248 dnl ** check for math library
1249 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1250 AC_SUBST([LIBM])
1251
1252 dnl ** check for X Window System
1253 AC_PATH_XTRA()
1254
1255 if test "$no_x" = yes; then
1256   GhcLibsWithX11=NO
1257 else
1258   GhcLibsWithX11=YES
1259 fi
1260 AC_SUBST([GhcLibsWithX11])
1261
1262 dnl ################################################################
1263 dnl Check for libraries
1264 dnl ################################################################
1265
1266 dnl ** check for libdl & RTLD_NEXT
1267
1268 dnl (Mac OS X only) ... but don't check if we already have the
1269 dnl HaskellSupport.framework
1270
1271 if test $HaveFrameworkHaskellSupport = YES; then
1272     HaveLibDL=NO
1273     HaveRtldNext=NO
1274     HaveRtldLocal=YES
1275     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1276     HaveRtldGlobal=YES
1277     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1278     HaveRtldNow=YES
1279     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1280     AC_SUBST(HaveLibDL)
1281     AC_SUBST(HaveRtldNext)
1282     AC_SUBST(HaveRtldLocal)
1283     AC_SUBST(HaveRtldGlobal)
1284     AC_SUBST(HaveRtldNow)
1285 else
1286     AC_CHECK_LIB(dl, dlopen,
1287         [HaveLibDL=YES
1288          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1289          LIBS="$LIBS -ldl"],
1290         [HaveLibDL=NO])
1291     AC_SUBST(HaveLibDL)
1292
1293     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1294     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1295     AC_EGREP_CPP(yes,
1296     [
1297      #include <dlfcn.h>
1298      #ifdef RTLD_NEXT
1299             yes
1300      #endif
1301     ], [
1302       AC_MSG_RESULT(yes)
1303       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1304       HaveRtldNext=YES
1305     ], [
1306       AC_MSG_RESULT(no)
1307       HaveRtldNext=NO
1308       ])
1309     AC_SUBST(HaveRtldNext)
1310
1311     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1312     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1313     AC_EGREP_CPP(yes,
1314     [
1315      #include <dlfcn.h>
1316      #ifdef RTLD_LOCAL
1317             yes
1318      #endif
1319     ], [
1320       AC_MSG_RESULT(yes)
1321       AC_DEFINE(HAVE_RTLDLOCAL)
1322       HaveRtldLocal=YES
1323     ], [
1324       AC_MSG_RESULT(no)
1325       HaveRtldLocal=NO
1326       ])
1327     AC_SUBST(HaveRtldLocal)
1328
1329     dnl ** RTLD_GLOBAL isn't available on openbsd
1330     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1331     AC_EGREP_CPP(yes,
1332     [
1333      #include <dlfcn.h>
1334      #ifdef RTLD_GLOBAL
1335             yes
1336      #endif
1337     ], [
1338       AC_MSG_RESULT(yes)
1339       AC_DEFINE(HAVE_RTLDGLOBAL)
1340       HaveRtldGlobal=YES
1341     ], [
1342       AC_MSG_RESULT(no)
1343       HaveRtldGlobal=NO
1344       ])
1345     AC_SUBST(HaveRtldGlobal)
1346
1347     dnl ** RTLD_NOW isn't available on openbsd
1348     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1349     AC_EGREP_CPP(yes,
1350     [
1351      #include <dlfcn.h>
1352      #ifdef RTLD_NOW
1353             yes
1354      #endif
1355     ], [
1356       AC_MSG_RESULT(yes)
1357       AC_DEFINE(HAVE_RTLDNOW)
1358       HaveRtldNow=YES
1359     ], [
1360       AC_MSG_RESULT(no)
1361       HaveRtldNow=NO
1362       ])
1363     AC_SUBST(HaveRtldNow)
1364 fi
1365
1366 dnl ---------- usleep ----------
1367 dnl --- stolen from guile configure ---
1368 dnl --- FIXME: /usr/include/unistd.h can't be right?
1369
1370 ### On some systems usleep has no return value.  If it does have one,
1371 ### we'd like to return it; otherwise, we'll fake it.
1372 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1373   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1374                    /usr/include/unistd.h,
1375                    [cv_func_usleep_return_type=void],
1376                    [cv_func_usleep_return_type=int])])
1377 case "$cv_func_usleep_return_type" in
1378   "void" )
1379     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1380   ;;
1381 esac
1382
1383 dnl --------------------------------------------------
1384 dnl * test for in_addr_t
1385 dnl --------------------------------------------------
1386 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1387 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1388  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1389  AC_MSG_RESULT(no))
1390
1391 dnl --------------------------------------------------
1392 dnl * test for Linux sendfile(2)
1393 dnl --------------------------------------------------
1394 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1395 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1396  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1397  AC_MSG_RESULT(no))
1398
1399 dnl --------------------------------------------------
1400 dnl * test for BSD sendfile(2)
1401 dnl --------------------------------------------------
1402 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1403 AC_EGREP_HEADER(sendfile, sys/socket.h,
1404  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1405  AC_MSG_RESULT(no))
1406
1407 dnl --------------------------------------------------
1408 dnl * test for GTK+
1409 dnl --------------------------------------------------
1410
1411 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1412 if test -n "$GTK_CONFIG"; then
1413   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1414     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1415   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1416     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1417      GTK_CONFIG=])
1418 fi
1419 AC_SUBST([GTK_CONFIG])
1420
1421 dnl --------------------------------------------------
1422 dnl * Miscellaneous feature tests
1423 dnl --------------------------------------------------
1424
1425 dnl ** can we get alloca?
1426 AC_FUNC_ALLOCA
1427
1428 dnl ** Working vfork?
1429 AC_FUNC_VFORK
1430
1431 dnl ** determine whether or not const works
1432 AC_C_CONST
1433
1434 dnl ** are we big endian?
1435 AC_C_BIGENDIAN
1436
1437 dnl ** check for leading underscores in symbol names
1438 FPTOOLS_UNDERSCORE
1439
1440 dnl ** check for ld, and whether ld has -x option
1441 AC_PATH_PROG(LdCmdRaw, ld)
1442 case $HostOS_CPP in
1443  mingw32)
1444         if test "${OSTYPE}" == "msys"
1445            then
1446              LdCmd=${LdCmdRaw}
1447            else
1448              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1449         fi
1450            ;;
1451  *) LdCmd=${LdCmdRaw}
1452     ;;
1453 esac
1454 AC_SUBST(LdCmd)
1455 FPTOOLS_LD_X
1456
1457 FP_EMPTY_STRUCTS
1458
1459 dnl ** Check for idiosyncracies in some mingw impls of directory handling.
1460 FP_READDIR_EOF_ERRNO
1461 FP_DIRENT_FLAT_LAYOUT
1462
1463 AC_MSG_CHECKING([for SIGPOLL])
1464 AC_EGREP_CPP(we_have_sigpoll,
1465 [#include <signal.h>
1466 #ifdef SIGPOLL
1467 we_have_sigpoll
1468 #endif
1469 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1470 AC_MSG_RESULT([$haveSIGPOLL])
1471
1472 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1473 AC_EGREP_CPP(we_have_that_sysconf_thing,
1474 [
1475 #include <unistd.h>
1476 #ifdef _SC_GETGR_R_SIZE_MAX
1477 we_have_that_sysconf_thing
1478 #endif
1479 ],
1480 [AC_MSG_RESULT([yes])
1481 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1482 [AC_MSG_RESULT([no])])
1483
1484 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1485 AC_EGREP_CPP(we_have_that_sysconf_thing,
1486 [
1487 #include <unistd.h>
1488 #ifdef _SC_GETPW_R_SIZE_MAX
1489 we_have_that_sysconf_thing
1490 #endif
1491 ],
1492 [AC_MSG_RESULT([yes])
1493 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1494 [AC_MSG_RESULT([no])])
1495
1496 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )