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="$withval"],
 585   [if test "$GHC" = ""; then
 586     AC_PATH_PROG([GHC], [ghc])
 587   fi
 588   WithGhc="$GHC"])
 589 AC_SUBST([WithGhc])
 590
 591 AC_ARG_WITH(hc,
 592 [AC_HELP_STRING([--with-hc=ARG],
 593         [Use ARG as the path to the compiler for compiling ordinary
 594          Haskell code  (default= value of --with-ghc)])],
 595 [WithHc="$withval"],
 596 [WithHc=$WithGhc]
 597 )
 598 AC_SUBST(WithHc)
 599
 600 if test "$WithGhc" != ""; then
 601   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 602   AC_SUBST(GhcVersion)dnl
 603   AC_SUBST(GhcMajVersion)dnl
 604   AC_SUBST(GhcMinVersion)dnl
 605   AC_SUBST(GhcPatchLevel)dnl
 606 fi
 607
 608 AC_PATH_PROGS(NHC,nhc nhc98)
 609 AC_PATH_PROG(HBC,hbc)
 610
 611 dnl ** Which gcc to use?
 612 dnl --------------------------------------------------------------
 613 AC_ARG_WITH(gcc,
 614 [AC_HELP_STRING([--with-gcc=ARG],
 615         [Use ARG as the path to GCC  [default=autodetect]])],
 616 [WhatGccIsCalled="$withval"
 617  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 618     then
 619        if test "${OSTYPE}" != "msys"
 620          then
 621          # Canonicalise to <drive>:/path/to/gcc
 622          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 623        fi
 624  fi;
 625  CC="$withval"
 626  export CC
 627  ],
 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"$enableval" = x"yes"; then
 730         GhcLibsWithObjectIO=YES
 731   else
 732         GhcLibsWithObjectIO=NO
 733   fi
 734 ],
 735 [GhcLibsWithObjectIO=NO]
 736 )
 737 AC_SUBST(GhcLibsWithObjectIO)
 738
 739 dnl ** .NET interop support?
 740 dnl --------------------------------------------------------------
 741 AC_ARG_ENABLE(dotnet,
 742 [AC_HELP_STRING([--enable-dotnet],
 743 [Build .NET interop layer. [default=no]])],
 744 [ if test x"$enableval" = x"yes"; then
 745         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 746   else
 747         DotnetSupport=NO
 748   fi],
 749 [DotnetSupport=NO]
 750 )
 751 AC_SUBST(DotnetSupport)
 752
 753 dnl --------------------------------------------------------------
 754 dnl End of configure script option section
 755 dnl --------------------------------------------------------------
 756
 757
 758 dnl --------------------------------------------------------------
 759 dnl * General configuration checks
 760 dnl --------------------------------------------------------------
 761
 762 dnl ** Can the unix package be built?
 763 dnl --------------------------------------------------------------
 764
 765 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 766    GhcLibsWithUnix=NO
 767 else
 768    GhcLibsWithUnix=YES
 769 fi
 770 AC_SUBST([GhcLibsWithUnix])
 771
 772 dnl ** does #! work?
 773 AC_SYS_INTERPRETER()
 774
 775 dnl ** look for `perl', but only in /bin on Windows
 776 case $HostOS_CPP in
 777 cygwin32|mingw32)
 778       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 779       if test -z "$PerlCmd"; then
 780          echo "You must install the version of Perl shipped with GHC"
 781          echo "(or a compatible one) in /bin."
 782          exit 1
 783       fi
 784    ;;
 785 *)
 786    AC_PATH_PROG(PerlCmd,perl)
 787    if test -z "$PerlCmd"; then
 788       echo "You must install perl before you can continue"
 789       echo "Perhaps it is already installed, but not in your PATH?"
 790       exit 1
 791    else
 792    FPTOOLS_CHECK_PERL_VERSION
 793    fi
 794    ;;
 795 esac
 796
 797 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 798 FPTOOLS_SHEBANG_PERL
 799
 800 dnl ** check for Python
 801 AC_PATH_PROG(PythonCmd,python)
 802
 803 dnl ** look for GCC and find out which version
 804 dnl     Figure out which C compiler to use.  Gcc is preferred.
 805 dnl     If gcc, make sure it's at least 2.1
 806 dnl
 807 FP_HAVE_GCC
 808
 809 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 810 AC_PROG_CPP
 811
 812 dnl ** Without optimization some INLINE trickery fails for GHCi
 813 SRC_CC_OPTS="-O"
 814
 815 dnl ** Try to add -mno-cygwin to the C compiler options
 816 FP_CHECK_FLAG([-mno-cygwin], [
 817 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 818 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 819 AC_SUBST(SRC_CC_OPTS)
 820
 821 dnl ** figure out how to do context diffs
 822 FP_PROG_CONTEXT_DIFF
 823
 824 dnl ** Find find command (for Win32's benefit)
 825 FP_PROG_FIND
 826
 827 dnl ** figure out how to do a BSD-ish install
 828 AC_PROG_INSTALL
 829
 830 dnl If you can run configure, you certainly have /bin/sh
 831 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 832
 833 dnl ** how to invoke `ar' and `ranlib'
 834 FP_PROG_AR_NEEDS_RANLIB
 835 FP_PROG_AR_SUPPORTS_INPUT
 836
 837 dnl ** Check to see whether ln -s works
 838 AC_PROG_LN_S
 839
 840
 841 dnl ** Find the path to sed
 842 AC_PATH_PROG(SedCmd,sed)
 843
 844
 845 dnl ** check for time command
 846 AC_PATH_PROG(TimeCmd,time)
 847
 848 dnl ** check for tar
 849 dnl   if GNU tar is named gtar, look for it first.
 850 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 851
 852 dnl ** check for DocBook toolchain
 853 FP_CHECK_DOCBOOK_DTD
 854 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
 855 FP_PROG_FO_PROCESSOR
 856
 857 dnl ** check for ghc-pkg command
 858 FP_PROG_GHC_PKG
 859
 860 AC_ARG_WITH(greencard,
 861 [AC_HELP_STRING([--with-greencard=ARG],
 862         [Use ARG as the path to greencard  [default=autodetct]])],
 863 [
 864 GreenCardCmd=$withval;
 865 FPTOOLS_GREENCARD(3.00)
 866 ]
 867 )
 868
 869 AC_ARG_ENABLE(src-tree-happy,
 870 [AC_HELP_STRING([--enable-src-tree-happy],
 871         [Build and use source tree (fptools/happy) version of Happy.
 872          [default=autodetect]])],
 873 [ if test x"$enableval" = x"yes"; then
 874         UseSrcTreeHappy=YES
 875   else
 876         UseSrcTreeHappy=NO
 877   fi
 878 ],
 879 [UseSrcTreeHappy=NO]
 880 )
 881 dnl ** check for installed happy binary + version
 882 dnl    (don't do it if we're booting from .hc files though.)
 883 if test "$BootingFromHc" = "NO"; then
 884 FPTOOLS_HAPPY
 885 fi;
 886
 887 AC_ARG_ENABLE(src-tree-haddock,
 888 [AC_HELP_STRING([--enable-src-tree-haddock],
 889         [Build and use source tree (fptools/haddock) version of Haddock.
 890          [default=autodetect]])],
 891 [ if test x"$enableval" = x"yes"; then
 892         UseSrcTreeHaddock=YES
 893   else
 894         UseSrcTreeHaddock=NO
 895   fi
 896 ],
 897 [UseSrcTreeHaddock=NO]
 898 )
 899 dnl ** check for installed haddock
 900 FPTOOLS_HADDOCK
 901
 902 AC_ARG_ENABLE(src-tree-alex,
 903 [AC_HELP_STRING([--enable-src-tree-alex],
 904         [Build and use source tree (fptools/alex) version of Alex.
 905          [default=autodetect]])],
 906 [ if test x"$enableval" = x"yes"; then
 907         UseSrcTreeAlex=YES
 908   else
 909         UseSrcTreeAlex=NO
 910   fi
 911 ],
 912 [UseSrcTreeAlex=NO]
 913 )
 914 dnl ** check for installed alex binary + version
 915 dnl    (don't do it if we're booting from .hc files though.)
 916 if test "$BootingFromHc" = "NO"; then
 917 FPTOOLS_ALEX
 918 fi;
 919
 920 dnl --------------------------------------------------
 921 dnl ### program checking section ends here ###
 922 dnl --------------------------------------------------
 923
 924 dnl --------------------------------------------------
 925 dnl * Platform header file and syscall feature tests
 926 dnl ### checking the state of the local header files and syscalls ###
 927
 928 dnl ** check for full ANSI header (.h) files
 929 AC_HEADER_STDC
 930
 931 dnl ** Enable large file support.  NB. do this before testing the type of
 932 dnl    off_t, because it will affect the result of that test.
 933 AC_SYS_LARGEFILE
 934
 935 dnl ** check for specific header (.h) files that we are interested in
 936 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])
 937
 938 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 939 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 940
 941 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 942   GhcLibsWithReadline=YES
 943   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 944 else
 945   GhcLibsWithReadline=NO
 946   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 947 fi
 948 AC_SUBST(GhcLibsWithReadline)
 949
 950 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 951 AC_HEADER_TIME
 952
 953 dnl ** check for POSIX regex
 954 HavePosixRegex=NO
 955 AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
 956 AC_SUBST(HavePosixRegex)
 957
 958 dnl ** how do we get a timezone name, and UTC offset ?
 959 AC_STRUCT_TIMEZONE
 960
 961 dnl ** do we have altzone?
 962 FP_DECL_ALTZONE
 963
 964 dnl ** do we have long longs?
 965 AC_CHECK_TYPES([long long])
 966
 967 dnl ** what are the sizes of various types
 968 AC_CHECK_SIZEOF(char,               1)
 969 AC_CHECK_SIZEOF(double,             8)
 970 AC_CHECK_SIZEOF(float,              4)
 971 AC_CHECK_SIZEOF(int,                4)
 972 AC_CHECK_SIZEOF(long,               4)
 973 if test "$ac_cv_type_long_long" = yes; then
 974 AC_CHECK_SIZEOF(long long,          8)
 975 fi
 976 AC_CHECK_SIZEOF(short,              2)
 977 AC_CHECK_SIZEOF(unsigned char,      1)
 978 AC_CHECK_SIZEOF(unsigned int,       4)
 979 AC_CHECK_SIZEOF(unsigned long,      4)
 980 if test "$ac_cv_type_long_long" = yes; then
 981 AC_CHECK_SIZEOF(unsigned long long, 8)
 982 fi
 983 AC_CHECK_SIZEOF(unsigned short,     2)
 984 AC_CHECK_SIZEOF(void *,             4)
 985
 986 dnl ** what are alignment constraints on various types
 987 FP_CHECK_ALIGNMENT(char)
 988 FP_CHECK_ALIGNMENT(double)
 989 FP_CHECK_ALIGNMENT(float)
 990 FP_CHECK_ALIGNMENT(int)
 991 FP_CHECK_ALIGNMENT(long)
 992 if test "$ac_cv_type_long_long" = yes; then
 993 FP_CHECK_ALIGNMENT(long long)
 994 fi
 995 FP_CHECK_ALIGNMENT(short)
 996 FP_CHECK_ALIGNMENT(unsigned char)
 997 FP_CHECK_ALIGNMENT(unsigned int)
 998 FP_CHECK_ALIGNMENT(unsigned long)
 999 if test "$ac_cv_type_long_long" = yes; then
1000 FP_CHECK_ALIGNMENT(unsigned long long)
1001 fi
1002 FP_CHECK_ALIGNMENT(unsigned short)
1003 FP_CHECK_ALIGNMENT(void *)
1004
1005 FP_CHECK_FUNC([WinExec],
1006   [@%:@include <windows.h>], [WinExec("",0)])
1007
1008 FP_CHECK_FUNC([GetModuleFileName],
1009   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1010
1011 dnl ** check return type of signal handlers
1012 dnl Foo: assumes we can use prototypes.
1013 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1014 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1015 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1016 dnl #include <signal.h>
1017 dnl #ifdef signal
1018 dnl #undef signal
1019 dnl #endif
1020 dnl void (*signal (int, void (*)(int)))(int);
1021 dnl ]],
1022 dnl [[int i;]])],
1023 dnl [ac_cv_type_signal_handler=void_int],
1024 dnl [ac_cv_type_signal_handler=int_void])])
1025 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1026 dnl AC_DEFINE(VOID_INT_SIGNALS)
1027 dnl fi
1028
1029 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1030 AC_TYPE_SIGNAL
1031 if test "$ac_cv_type_signal" = void; then
1032   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).])
1033 fi
1034
1035 dnl ** check for more functions
1036 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1037 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times])
1038 dnl ** For ghc/rts/gmp:
1039 AC_CHECK_FUNCS([getpagesize])
1040
1041 dnl ** check whether this machine has gmp3 installed
1042 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1043   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1044     HaveLibGmp=NO; LibGmp=not-installed))
1045 AC_SUBST(HaveLibGmp)
1046 AC_SUBST(LibGmp)
1047
1048 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1049 HaveFrameworkHaskellSupport=NO
1050 if test $HostPlatform = "powerpc-apple-darwin"; then
1051  AC_MSG_CHECKING([for HaskellSupport.framework])
1052  save_libs="$LIBS"
1053  LIBS="-framework HaskellSupport"
1054  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1055  if test $HaveFrameworkHaskellSupport = YES; then
1056   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1057  fi;
1058  LIBS="$save_libs"
1059  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1060 fi;
1061 AC_SUBST(HaveFrameworkHaskellSupport)
1062
1063 dnl ** check for mingwex library
1064 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1065 AC_SUBST(HaveLibMingwEx)
1066
1067 if test $HaveLibMingwEx = YES ; then
1068   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1069 fi
1070
1071 if test "$HaveLibGmp" = "NO"; then
1072 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1073 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1074 fi;
1075 fi;
1076
1077 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1078 dnl    the order of these tests matters: bfd needs liberty
1079 AC_CHECK_LIB(iberty, xmalloc)
1080 AC_CHECK_LIB(bfd,    bfd_init)
1081
1082 dnl ** check for readline, for Hugs and hslibs' Readline
1083 dnl ncurses supersedes termcap and curses, but for compatibility,
1084 dnl we have to check for all...
1085 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1086   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1087     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1088       HaveLibTermcap=NO; LibTermcap=not-installed)))
1089
1090 if test $HaveLibTermcap = YES ; then
1091   LIBS="-l$LibTermcap $LIBS"
1092   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1093 fi
1094
1095 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1096   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1097   LibsReadline="readline $LibTermcap"
1098 else
1099   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1100   LibsReadline=
1101 fi
1102 AC_SUBST(LibsReadline)
1103
1104 if test "$HaveLibReadline"; then
1105   AC_CHECK_LIB(readline, rl_erase_empty_line,
1106     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1107     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1108   AC_CHECK_LIB(readline, rl_free_undo_list,
1109     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1110     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1111 else
1112   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1113   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1114 fi
1115
1116 dnl ** check for math library
1117 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1118 AC_SUBST([LIBM])
1119
1120 dnl ################################################################
1121 dnl Check for libraries
1122 dnl ################################################################
1123
1124 dnl ** check for libdl & RTLD_NEXT
1125
1126 dnl (Mac OS X only) ... but don't check if we already have the
1127 dnl HaskellSupport.framework
1128
1129 if test $HaveFrameworkHaskellSupport = YES; then
1130     HaveLibDL=NO
1131     HaveRtldNext=NO
1132     HaveRtldLocal=YES
1133     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1134     HaveRtldGlobal=YES
1135     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1136     HaveRtldNow=YES
1137     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1138     AC_SUBST(HaveLibDL)
1139     AC_SUBST(HaveRtldNext)
1140     AC_SUBST(HaveRtldLocal)
1141     AC_SUBST(HaveRtldGlobal)
1142     AC_SUBST(HaveRtldNow)
1143 else
1144     AC_CHECK_LIB(dl, dlopen,
1145         [HaveLibDL=YES
1146          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1147          LIBS="$LIBS -ldl"],
1148         [HaveLibDL=NO])
1149     AC_SUBST(HaveLibDL)
1150
1151     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1152     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1153     AC_EGREP_CPP(yes,
1154     [
1155      #include <dlfcn.h>
1156      #ifdef RTLD_NEXT
1157             yes
1158      #endif
1159     ], [
1160       AC_MSG_RESULT(yes)
1161       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1162       HaveRtldNext=YES
1163     ], [
1164       AC_MSG_RESULT(no)
1165       HaveRtldNext=NO
1166       ])
1167     AC_SUBST(HaveRtldNext)
1168
1169     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1170     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1171     AC_EGREP_CPP(yes,
1172     [
1173      #include <dlfcn.h>
1174      #ifdef RTLD_LOCAL
1175             yes
1176      #endif
1177     ], [
1178       AC_MSG_RESULT(yes)
1179       AC_DEFINE(HAVE_RTLDLOCAL)
1180       HaveRtldLocal=YES
1181     ], [
1182       AC_MSG_RESULT(no)
1183       HaveRtldLocal=NO
1184       ])
1185     AC_SUBST(HaveRtldLocal)
1186
1187     dnl ** RTLD_GLOBAL isn't available on openbsd
1188     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1189     AC_EGREP_CPP(yes,
1190     [
1191      #include <dlfcn.h>
1192      #ifdef RTLD_GLOBAL
1193             yes
1194      #endif
1195     ], [
1196       AC_MSG_RESULT(yes)
1197       AC_DEFINE(HAVE_RTLDGLOBAL)
1198       HaveRtldGlobal=YES
1199     ], [
1200       AC_MSG_RESULT(no)
1201       HaveRtldGlobal=NO
1202       ])
1203     AC_SUBST(HaveRtldGlobal)
1204
1205     dnl ** RTLD_NOW isn't available on openbsd
1206     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1207     AC_EGREP_CPP(yes,
1208     [
1209      #include <dlfcn.h>
1210      #ifdef RTLD_NOW
1211             yes
1212      #endif
1213     ], [
1214       AC_MSG_RESULT(yes)
1215       AC_DEFINE(HAVE_RTLDNOW)
1216       HaveRtldNow=YES
1217     ], [
1218       AC_MSG_RESULT(no)
1219       HaveRtldNow=NO
1220       ])
1221     AC_SUBST(HaveRtldNow)
1222 fi
1223
1224 dnl --------------------------------------------------
1225 dnl * Miscellaneous feature tests
1226 dnl --------------------------------------------------
1227
1228 dnl ** can we get alloca?
1229 AC_FUNC_ALLOCA
1230
1231 dnl ** Working vfork?
1232 AC_FUNC_FORK
1233
1234 dnl ** determine whether or not const works
1235 AC_C_CONST
1236
1237 dnl ** are we big endian?
1238 AC_C_BIGENDIAN
1239
1240 dnl ** check for leading underscores in symbol names
1241 FP_LEADING_UNDERSCORE
1242
1243 dnl ** check for ld, and whether ld has -x option
1244 AC_PATH_PROG(LdCmdRaw, ld)
1245 case $HostOS_CPP in
1246  mingw32)
1247         if test "${OSTYPE}" == "msys"
1248            then
1249              LdCmd=${LdCmdRaw}
1250            else
1251              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1252         fi
1253            ;;
1254  *) LdCmd=${LdCmdRaw}
1255     ;;
1256 esac
1257 AC_SUBST(LdCmd)
1258 FPTOOLS_LD_X
1259
1260 AC_CONFIG_FILES([mk/config.mk])
1261 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1262 AC_OUTPUT