configure.in

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.in | 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 * Declare subdirectories that have a private configure script
  20 dnl
  21 dnl After the toplevel configuration is complete, the script will recurse into
  22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
  23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
  24 AC_CONFIG_SUBDIRS(ghc)
  25
  26 # -------------------------------------------------------------------------
  27 # Prepare to generate the following header files
  28 #
  29 #
  30 AC_CONFIG_HEADER(mk/config.h)
  31
  32 # No, semi-sadly, we don't do `--srcdir'...
  33 if test x"$srcdir" != 'x.' ; then
  34     echo "This configuration does not support the \`--srcdir' option.."
  35     exit 1
  36 fi
  37
  38 #
  39 # Remove common automounter nonsense + convert from UNC to DOS style paths
  40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
  41 #
  42 hardtop=`pwd`
  43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
  44
  45 echo ''
  46 echo "*** The top of your build tree is: $hardtop"
  47 # subst of hardtop is done below after we've computed hardtop_plat.
  48
  49 dnl--------------------------------------------------------------------
  50 dnl * Choose host(/target/build) platform
  51 dnl--------------------------------------------------------------------
  52
  53 dnl Guess host/target/build platform(s) if necessary.
  54 AC_CANONICAL_SYSTEM
  55
  56 # "$host" defaults to "$target"
  57 if test "x$host" = xNONE ; then
  58     host=$target
  59 fi
  60
  61 dnl ** canonicalize platform names
  62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  65
  66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  67     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  68     exit 1
  69 fi
  70
  71 exeext=''
  72 #
  73 # The following will be more difficult when we *are* cross-compiling.
  74 # Suitable names to slam in *_CPP are in platform.h.in.
  75 # We also record the architecture, vendor, and operating system (OS)
  76 # separately.
  77 case $HostPlatform in
  78 alpha*-dec-osf[[12]]*)
  79         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  80         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  81         BuildPlatform=alpha-dec-osf1  # hack
  82         HostPlatform_CPP='alpha_dec_osf1'
  83         HostArch_CPP='alpha'
  84         HostVendor_CPP='dec'
  85         HostOS_CPP='osf1'
  86         ;;
  87 alpha*-dec-osf[[345]]*)
  88         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  89         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  90         BuildPlatform=alpha-dec-osf3  # hack
  91         HostPlatform_CPP='alpha_dec_osf3'
  92         HostArch_CPP='alpha'
  93         HostVendor_CPP='dec'
  94         HostOS_CPP='osf3'
  95         ;;
  96 alpha*-unknown-linux)
  97         HostPlatform=alpha-unknown-linux
  98         TargetPlatform=alpha-unknown-linux
  99         BuildPlatform=alpha-unknown-linux
 100         HostPlatform_CPP='alpha_unknown_linux'
 101         HostArch_CPP='alpha'
 102         HostVendor_CPP='unknown'
 103         HostOS_CPP='linux'
 104         ;;
 105 alpha*-unknown-freebsd*)
 106         HostPlatform=alpha-unknown-freebsd
 107         TargetPlatform=alpha-unknown-freebsd
 108         BuildPlatform=alpha-unknown-freebsd
 109         HostPlatform_CPP='alpha_unknown_freebsd'
 110         HostArch_CPP='alpha'
 111         HostVendor_CPP='unknown'
 112         HostOS_CPP='freebsd'
 113         ;;
 114 hppa1.1-hp-hpux*)
 115         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 116         TargetPlatform=hppa1.1-hp-hpux
 117         BuildPlatform=hppa1.1-hp-hpux
 118         HostPlatform_CPP='hppa1_1_hp_hpux'
 119         HostArch_CPP='hppa1_1'
 120         HostVendor_CPP='hp'
 121         HostOS_CPP='hpux'
 122         ;;
 123 i[[3456]]86-*-linuxaout*)
 124         HostPlatform=i386-unknown-linuxaout   # hack again
 125         TargetPlatform=i386-unknown-linuxaout
 126         BuildPlatform=i386-unknown-linuxaout
 127         HostPlatform_CPP='i386_unknown_linuxaout'
 128         HostArch_CPP='i386'
 129         HostVendor_CPP='unknown'
 130         HostOS_CPP='linuxaout'
 131         ;;
 132 i[[3456]]86-*-linux*)
 133         HostPlatform=i386-unknown-linux # hack again
 134         TargetPlatform=i386-unknown-linux
 135         BuildPlatform=i386-unknown-linux
 136         HostPlatform_CPP='i386_unknown_linux'
 137         HostArch_CPP='i386'
 138         HostVendor_CPP='unknown'
 139         HostOS_CPP='linux'
 140         ;;
 141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 142         HostPlatform=i386-unknown-freebsd # hack again
 143         TargetPlatform=i386-unknown-freebsd
 144         BuildPlatform=i386-unknown-freebsd
 145         HostPlatform_CPP='i386_unknown_freebsd'
 146         HostArch_CPP='i386'
 147         HostVendor_CPP='unknown'
 148         HostOS_CPP='freebsd'
 149         ;;
 150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 151         HostPlatform=i386-unknown-freebsd2 # hack again
 152         TargetPlatform=i386-unknown-freebsd2
 153         BuildPlatform=i386-unknown-freebsd2
 154         HostPlatform_CPP='i386_unknown_freebsd2'
 155         HostArch_CPP='i386'
 156         HostVendor_CPP='unknown'
 157         HostOS_CPP='freebsd2'
 158         ;;
 159 i[[3456]]86-*-netbsd*)
 160         HostPlatform=i386-unknown-netbsd # hack again
 161         TargetPlatform=i386-unknown-netbsd
 162         BuildPlatform=i386-unknown-netbsd
 163         HostPlatform_CPP='i386_unknown_netbsd'
 164         HostArch_CPP='i386'
 165         HostVendor_CPP='unknown'
 166         HostOS_CPP='netbsd'
 167         ;;
 168 i[[3456]]86-*-openbsd*)
 169         HostPlatform=i386-unknown-openbsd # hack again
 170         TargetPlatform=i386-unknown-openbsd
 171         BuildPlatform=i386-unknown-openbsd
 172         HostPlatform_CPP='i386_unknown_openbsd'
 173         HostArch_CPP='i386'
 174         HostVendor_CPP='unknown'
 175         HostOS_CPP='openbsd'
 176         ;;
 177 i[[3456]]86-*-solaris2*)
 178         HostPlatform=i386-unknown-solaris2 # hack again
 179         TargetPlatform=i386-unknown-solaris2
 180         BuildPlatform=i386-unknown-solaris2
 181         HostPlatform_CPP='i386_unknown_solaris2'
 182         HostArch_CPP='i386'
 183         HostVendor_CPP='unknown'
 184         HostOS_CPP='solaris2'
 185         ;;
 186 i[[3456]]86-*-cygwin*)
 187         HostPlatform=i386-unknown-cygwin32 # hack again
 188         TargetPlatform=i386-unknown-cygwin32
 189         BuildPlatform=i386-unknown-cygwin32
 190         HostPlatform_CPP='i386_unknown_cygwin32'
 191         HostArch_CPP='i386'
 192         HostVendor_CPP='unknown'
 193         HostOS_CPP='cygwin32'
 194         exeext='.exe'
 195         ;;
 196 i[[3456]]86-*-mingw32*)
 197         HostPlatform=i386-unknown-mingw32 # hack again
 198         TargetPlatform=i386-unknown-mingw32
 199         BuildPlatform=i386-unknown-mingw32
 200         HostPlatform_CPP='i386_unknown_mingw32'
 201         HostArch_CPP='i386'
 202         HostVendor_CPP='unknown'
 203         HostOS_CPP='mingw32'
 204         exeext='.exe'
 205         ;;
 206 ia64-*-linux*)
 207         HostPlatform=ia64-unknown-linux # hack again
 208         TargetPlatform=ia64-unknown-linux
 209         BuildPlatform=ia64-unknown-linux
 210         HostPlatform_CPP='ia64_unknown_linux'
 211         HostArch_CPP='ia64'
 212         HostVendor_CPP='unknown'
 213         HostOS_CPP='linux'
 214         ;;
 215 m68k-next-nextstep2)
 216         HostPlatform_CPP='m68k_next_nextstep2'
 217         HostArch_CPP='m68k'
 218         HostVendor_CPP='next'
 219         HostOS_CPP='nextstep2'
 220         ;;
 221 m68k-next-nextstep3)
 222         HostPlatform_CPP='m68k_next_nextstep3'
 223         HostArch_CPP='m68k'
 224         HostVendor_CPP='next'
 225         HostOS_CPP='nextstep3'
 226         ;;
 227 i[[3456]]86-next-nextstep3)
 228         HostPlatform=i386-next-nextstep3 # hack again
 229         TargetPlatform=i386-next-nextstep3
 230         BuildPlatform=i386-next-nextstep3
 231         HostPlatform_CPP='i386_next_nextstep3'
 232         HostArch_CPP='i386'
 233         HostVendor_CPP='next'
 234         HostOS_CPP='nextstep3'
 235         ;;
 236 m68k-*-openbsd*)
 237         HostPlatform=m68k-unknown-openbsd
 238         TargetPlatform=m68k-unknown-openbsd
 239         BuildPlatform=m68k-unknown-openbsd
 240         HostPlatform_CPP='m68k_unknown_openbsd'
 241         HostArch_CPP='m68k'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='openbsd'
 244         ;;
 245 m68k-apple-netbsd*)
 246         HostPlatform=m68k-apple-netbsd
 247         TargetPlatform=m68k-apple-netbsd
 248         BuildPlatform=m68k-apple-netbsd
 249         HostPlatform_CPP='m68k_apple_netbsd'
 250         HostArch_CPP='m68k'
 251         HostVendor_CPP='apple'
 252         HostOS_CPP='netbsd'
 253         ;;
 254 m68k-sun-sunos4*)
 255         HostPlatform=m68k-sun-sunos4
 256         TargetPlatform=m68k-sun-sunos4 #hack
 257         BuildPlatform=m68k-sun-sunos4 #hack
 258         HostPlatform_CPP='m68k_sun_sunos4'
 259         HostArch_CPP='m68k'
 260         HostVendor_CPP='sun'
 261         HostOS_CPP='sunos4'
 262         ;;
 263 mips-dec-ultrix*)
 264         HostPlatform_CPP='mips_dec_ultrix'
 265         HostArch_CPP='mipsel'   # NB a little different
 266         HostVendor_CPP='dec'
 267         HostOS_CPP='ultrix'
 268         ;;
 269 mips-sgi-irix*)
 270         HostPlatform=mips-sgi-irix
 271         TargetPlatform=mips-sgi-irix #hack
 272         BuildPlatform=mips-sgi-irix #hack
 273         HostPlatform_CPP='mips_sgi_irix'
 274         HostArch_CPP='mipseb'   # NB a little different
 275         HostVendor_CPP='sgi'
 276         HostOS_CPP='irix'
 277         ;;
 278 rs6000-ibm-aix*)
 279         HostPlatform=rs6000-ibm-aix
 280         TargetPlatform=rs6000-ibm-aix #hack
 281         BuildPlatform=rs6000-ibm-aix #hack
 282         HostPlatform_CPP='rs6000_ibm_aix'
 283         HostArch_CPP='rs6000'
 284         HostVendor_CPP='ibm'
 285         HostOS_CPP='aix'
 286         ;;
 287 powerpc-ibm-aix*)
 288         HostPlatform=powerpc-ibm-aix
 289         TargetPlatform=powerpc-ibm-aix #hack
 290         BuildPlatform=powerpc-ibm-aix #hack
 291         HostPlatform_CPP='powerpc_ibm_aix'
 292         HostArch_CPP='powerpc'
 293         HostVendor_CPP='ibm'
 294         HostOS_CPP='aix'
 295         ;;
 296 powerpc-apple-darwin*)
 297         HostPlatform=powerpc-apple-darwin
 298         TargetPlatform=powerpc-apple-darwin #hack
 299         BuildPlatform=powerpc-apple-darwin #hack
 300         HostPlatform_CPP='powerpc_apple_darwin'
 301         HostArch_CPP='powerpc'
 302         HostVendor_CPP='apple'
 303         HostOS_CPP='darwin'
 304         ;;
 305 sparc-sun-sunos4*)
 306         HostPlatform=sparc-sun-sunos4
 307         TargetPlatform=sparc-sun-sunos4 #hack
 308         BuildPlatform=sparc-sun-sunos4 #hack
 309         HostPlatform_CPP='sparc_sun_sunos4'
 310         HostArch_CPP='sparc'
 311         HostVendor_CPP='sun'
 312         HostOS_CPP='sunos4'
 313         ;;
 314 sparc-sun-solaris2*)
 315         HostPlatform=sparc-sun-solaris2
 316         TargetPlatform=sparc-sun-solaris2 #hack
 317         BuildPlatform=sparc-sun-solaris2 #hack
 318         HostPlatform_CPP='sparc_sun_solaris2'
 319         HostArch_CPP='sparc'
 320         HostVendor_CPP='sun'
 321         HostOS_CPP='solaris2'
 322         ;;
 323 *)
 324         echo "Unrecognised platform: $HostPlatform"
 325         exit 1
 326         ;;
 327 esac
 328 echo "Canonicalised to: $HostPlatform"
 329 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 330 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 331
 332 BuildPlatform_CPP=$HostPlatform_CPP
 333 TargetPlatform_CPP=$HostPlatform_CPP
 334 BuildArch_CPP=$HostArch_CPP
 335 TargetArch_CPP=$HostArch_CPP
 336 BuildOS_CPP=$HostOS_CPP
 337 HostOS_Full=$host_os
 338 TargetOS_CPP=$HostOS_CPP
 339 BuildVendor_CPP=$HostVendor_CPP
 340 TargetVendor_CPP=$HostVendor_CPP
 341
 342 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 343 dnl AC_SUBST(BuildPlatform)
 344
 345 AC_SUBST(HostPlatform)
 346 AC_SUBST(TargetPlatform)
 347 AC_SUBST(HostPlatform_CPP)
 348 dnl AC_SUBST(BuildPlatform_CPP)
 349 dnl AC_SUBST(TargetPlatform_CPP)
 350
 351 AC_SUBST(HostArch_CPP)
 352 dnl AC_SUBST(BuildArch_CPP)
 353 dnl AC_SUBST(TargetArch_CPP)
 354
 355 AC_SUBST(HostOS_CPP)
 356 AC_SUBST(HostOS_Full)
 357 dnl AC_SUBST(BuildOS_CPP)
 358 dnl AC_SUBST(TargetOS_CPP)
 359
 360 AC_SUBST(HostVendor_CPP)
 361 dnl AC_SUBST(BuildVendor_CPP)
 362 dnl AC_SUBST(TargetVendor_CPP)
 363
 364 AC_SUBST(exeext)
 365
 366 #
 367 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
 368 # (but with b-slashes being escaped).
 369 case $HostPlatform in
 370   i386-unknown-mingw32 | i386-unknown-cygwin32)
 371         # get rid off /cygdrive/ prefix
 372         hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
 373         hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
 374         ;;
 375   *)
 376         hardtop_plat=${hardtop}
 377         ;;
 378 esac
 379 AC_SUBST(hardtop)
 380 AC_SUBST(hardtop_plat)
 381
 382 dnl --------------------------------------------------------------
 383 dnl * Project specific configuration options
 384 dnl --------------------------------------------------------------
 385 dnl What follows is a bunch of options that can either be configured
 386 dnl through command line options to the configure script or by
 387 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 388 dnl use either is considered a Feature.
 389
 390 dnl ** What command to use to compile compiler sources ?
 391 dnl --------------------------------------------------------------
 392
 393 AC_ARG_WITH(ghc,
 394 [  --with-ghc=<haskell compiler>
 395         Use a command different from 'ghc' to compile GHC-specific Haskell code
 396             (including GHC itself).
 397 ],
 398 [ WithGhc="$withval" ],
 399 [
 400   if test "$GHC" = ""; then
 401     AC_PATH_PROG(GHC,ghc)
 402   fi
 403   WithGhc=$GHC
 404 ]
 405 )
 406 AC_SUBST(WithGhc)
 407
 408 AC_ARG_WITH(hc,
 409 [  --with-hc=<haskell compiler>
 410         Use a command different from 'ghc' to compile generic Haskell code.
 411 ],
 412 [WithHc="$withval"],
 413 [WithHc=$WithGhc]
 414 )
 415 AC_SUBST(WithHc)
 416
 417 if test "$WithGhc" != ""; then
 418   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 419   AC_SUBST(GhcVersion)dnl
 420   AC_SUBST(GhcMajVersion)dnl
 421   AC_SUBST(GhcMinVersion)dnl
 422   AC_SUBST(GhcPatchLevel)dnl
 423 fi
 424
 425 AC_PATH_PROGS(NHC,nhc nhc98)
 426 AC_PATH_PROG(HBC,hbc)
 427
 428 dnl ** Which gcc to use?
 429 dnl --------------------------------------------------------------
 430 AC_ARG_WITH(gcc,
 431 [  --with-gcc=<gcc command>
 432         Use a different command instead of 'gcc' for the GNU C compiler.
 433 ],
 434 [WhatGccIsCalled="$withval"
 435  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
 436     # Canonicalise to <drive>:/path/to/gcc
 437     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 438  fi;
 439  CC="$withval"],
 440 [WhatGccIsCalled="gcc"]
 441 )
 442 AC_SUBST(WhatGccIsCalled)
 443
 444 dnl ** Booting from .hc files?
 445 dnl --------------------------------------------------------------
 446 AC_ARG_ENABLE(hc-boot,
 447 [  --enable-hc-boot
 448         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 449         (This option is mostly of interest to porters.)
 450 ],
 451 [BootingFromHc=YES],
 452 [BootingFromHc=NO]
 453 )
 454 AC_SUBST(BootingFromHc)
 455
 456 dnl ** Booting from unregisterised .hc files?
 457 dnl --------------------------------------------------------------
 458 AC_ARG_ENABLE(hc-boot-unregisterised,
 459 [  --enable-hc-boot-unregisterised
 460         With --enable-hc-boot, treat the intermediate .hc files as
 461         unregisterised rather than registerised code.
 462         (This option is mostly of interest to porters.)
 463 ],
 464 [BootingFromUnregisterisedHc=YES],
 465 [BootingFromUnregisterisedHc=NO]
 466 )
 467 AC_SUBST(BootingFromUnregisterisedHc)
 468
 469 if test "$BootingFromHc" = "NO"; then
 470 if test "$BootingFromUnregisterisedHc" = "YES"; then
 471 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 472 fi;
 473 fi;
 474
 475 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 476 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 477 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 478 fi;
 479
 480 dnl ** Enable multi-thread friendly RTS?
 481 dnl --------------------------------------------------------------
 482 AC_ARG_ENABLE(threaded-rts,
 483 [  --enable-threaded-rts
 484         Support better interop with OS threads.
 485 ],
 486 [ThreadedRts=YES],
 487 [ThreadedRts=NO]
 488 )
 489 AC_SUBST(ThreadedRts)
 490
 491 dnl ** Enable the construction of Win32 DLLs?
 492 dnl --------------------------------------------------------------
 493 AC_ARG_ENABLE(win32-dlls,
 494 [  --enable-win32-dlls
 495         If on a Win32 platform running mingw32/cygwin, enable the
 496         construction of DLLs containing ghc-compiled code.
 497 ],
 498 [
 499 case $HostOS_CPP in
 500 cygwin32) ;;
 501 mingw32)  ;;
 502 *)    echo "Unrecognised win32 platform: $HostPlatform"
 503       exit 1
 504       ;;
 505 esac
 506 EnableWin32DLLs=YES
 507 ],
 508 [EnableWin32DLLs=NO]
 509 )
 510 AC_SUBST(EnableWin32DLLs)
 511 if test x"$EnableWin32DLLs" = "xYES" ; then
 512  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 513 fi
 514
 515 dnl ** Enable the building of the ObjectIO?
 516 dnl --------------------------------------------------------------
 517 AC_ARG_ENABLE(objectio,
 518 [  --enable-objectio
 519         Build ObjectIO, a portable GUI library for Haskell.
 520         (This option is only relevant when libraries are built.)
 521 ],
 522 [GhcLibsWithObjectIO=YES],
 523 [GhcLibsWithObjectIO=NO]
 524 )
 525 AC_SUBST(GhcLibsWithObjectIO)
 526
 527 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 528 dnl --------------------------------------------------------------
 529 AC_ARG_ENABLE(hopengl,
 530 [  --enable-hopengl
 531         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 532         (NOTE: Work in progress, currently only GLUT is supported!)
 533 ],
 534 [GhcLibsWithHOpenGL=YES],
 535 [GhcLibsWithHOpenGL=NO]
 536 )
 537 AC_SUBST(GhcLibsWithHOpenGL)
 538
 539 dnl --------------------------------------------------------------
 540 dnl End of configure script option section
 541 dnl --------------------------------------------------------------
 542
 543
 544 dnl --------------------------------------------------------------
 545 dnl * General configuration checks
 546 dnl --------------------------------------------------------------
 547
 548 dnl ** does #! work?
 549 AC_SYS_INTERPRETER()
 550
 551 dnl ** look for `perl', but only in /bin on Windows
 552 case $HostOS_CPP in
 553 cygwin32|mingw32)
 554       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 555       if test -z "$PerlCmd"; then
 556          echo "You must install the version of Perl shipped with GHC"
 557          echo "(or a compatible one) in /bin."
 558          exit 1
 559       fi
 560    ;;
 561 *)
 562    AC_PATH_PROG(PerlCmd,perl)
 563    if test -z "$PerlCmd"; then
 564       echo "You must install perl before you can continue"
 565       echo "Perhaps it is already installed, but not in your PATH?"
 566       exit 1
 567    else
 568    FPTOOLS_CHECK_PERL_VERSION
 569    fi
 570    ;;
 571 esac
 572
 573 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 574 FPTOOLS_SHEBANG_PERL
 575
 576 dnl ** check for Python
 577 AC_PATH_PROG(PythonCmd,python)
 578
 579 dnl ** look for GCC and find out which version
 580 dnl     Figure out which C compiler to use.  Gcc is preferred.
 581 dnl     If gcc, make sure it's at least 2.1
 582 dnl
 583 AC_PROG_CC
 584 FPTOOLS_HAVE_GCC
 585 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 586
 587 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 588 AC_PROG_CPP
 589
 590 dnl ** Without optimization some INLINE trickery fails for GHCi
 591 SRC_CC_OPTS="-O"
 592
 593 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 594 if test x"$TargetOS_CPP" = x"mingw32"; then
 595   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 596   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 597   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 598 fi
 599 AC_SUBST(SRC_CC_OPTS)
 600
 601 dnl ** figure out how to do context diffs
 602 FPTOOLS_PROG_DIFF
 603
 604 dnl ** Find find command (for Win32's benefit)
 605 FPTOOLS_FIND_FIND
 606
 607 dnl ** look for a decent parser generator (bison preferred)
 608 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 609 dnl  on the suitability of the 'yacc' returned.)
 610 FPTOOLS_PROG_YACCY
 611
 612 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 613 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 614 dnl    exists if 'flex' doesn't.
 615 AC_PROG_LEX_STRICT
 616
 617 dnl ** figure out how to do a BSD-ish install
 618 AC_PROG_INSTALL
 619
 620 dnl If you can run configure, you certainly have /bin/sh
 621 AC_DEFINE(HAVE_BIN_SH)
 622
 623 dnl ** how to invoke `ar' and `ranlib'
 624 FPTOOLS_PROG_AR_AND_RANLIB
 625
 626 dnl ** Check to see whether ln -s works
 627 AC_PROG_LN_S
 628
 629
 630 dnl ** Find the path to sed
 631 AC_PATH_PROG(SedCmd,sed)
 632
 633
 634 dnl ** check for time command
 635 AC_PATH_PROG(TimeCmd,time)
 636
 637 dnl ** check for tar
 638 dnl   if GNU tar is named gtar, look for it first.
 639 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 640
 641 dnl ** check for gzip/compress
 642 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 643
 644 dnl ** check for jade/openjade & determine a working catalog
 645 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 646 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 647                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 648 if test -z "$Catalog"; then
 649   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 650 fi
 651 case $Catalog in
 652    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 653         Catalog=
 654         ;;
 655    glafp*)
 656         case $HostOS_CPP in
 657            mingw32)
 658               Catalog=`cygpath -w $hardtop/$Catalog`
 659               ;;
 660            *) Catalog=$hardtop/$Catalog
 661               ;;
 662         esac
 663    ;;
 664 esac
 665 AC_SUBST(Catalog)
 666
 667 compress_nm=`basename $CompressCmd`
 668 if test x"$compress_nm" = xgzip; then
 669   CompressCmd="$CompressCmd -d"
 670   CompressSuffix="gz"
 671 else
 672   CompressSuffix="Z"
 673 fi
 674 AC_SUBST(CompressCmd)
 675 AC_SUBST(CompressSuffix)
 676
 677 dnl ** check for ghc-pkg command
 678 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 679
 680 AC_ARG_WITH(greencard,
 681 [  --with-greencard=<greencard compiler>
 682         Use a command different from 'green-card' to compile GreenCard files
 683 ],
 684 [
 685 GreencardCmd=$withval;
 686 FPTOOLS_GREENCARD(3.00)
 687 ]
 688 )
 689
 690 AC_ARG_ENABLE(src-tree-happy,
 691 [  --enable-src-tree-happy
 692         Build and use source tree (fptools/happy) version of happy.
 693 ],
 694 [UseSrcTreeHappy=YES],
 695 [UseSrcTreeHappy=NO]
 696 )
 697 dnl ** check for installed happy binary + version
 698 dnl    (don't do it if we're booting from .hc files though.)
 699 if test "$BootingFromHc" = "NO"; then
 700 FPTOOLS_HAPPY
 701 fi;
 702
 703 AC_ARG_ENABLE(src-tree-haddock,
 704 [  --enable-src-tree-haddock
 705         Build and use source tree (fptools/haddock) version of haddock.
 706 ],
 707 [UseSrcTreeHaddock=YES],
 708 [UseSrcTreeHaddock=NO]
 709 )
 710 dnl ** check for installed haddock
 711 FPTOOLS_HADDOCK
 712
 713 dnl --------------------------------------------------
 714 dnl ### program checking section ends here ###
 715 dnl --------------------------------------------------
 716
 717 dnl --------------------------------------------------
 718 dnl * Platform header file and syscall feature tests
 719 dnl ### checking the state of the local header files and syscalls ###
 720
 721 dnl ** check for full ANSI header (.h) files
 722 AC_HEADER_STDC
 723
 724 dnl ** check for specific header (.h) files that we are interested in
 725 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h sys/uio.h)
 726 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 727
 728 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 729 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 730
 731 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 732   HaveReadlineHeaders=YES
 733   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 734 else
 735   HaveReadlineHeaders=NO
 736   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 737 fi
 738 AC_SUBST(HaveReadlineHeaders)
 739
 740 dnl ** check for DOS include files
 741 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 742
 743 dnl ** check for Windows include files
 744 AC_CHECK_HEADERS(windows.h)
 745
 746 dnl ** check for OpenGL include files
 747 AC_CHECK_HEADERS(GL/gl.h)
 748
 749 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 750 AC_HEADER_TIME
 751
 752 dnl dynamic loading include files
 753 AC_CHECK_HEADERS(dlfcn.h dl.h)
 754
 755 dnl ** check for farcalloc (in bcc)
 756 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 757
 758 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 759 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 760
 761 dnl ** check for POSIX regex
 762 HavePosixRegex=NO
 763 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 764 AC_SUBST(HavePosixRegex)
 765
 766 dnl ** how do we get a timezone name, and UTC offset ?
 767 AC_STRUCT_TIMEZONE
 768
 769 dnl ** what's the type of timezone?
 770 FPTOOLS_HAVE_TIMEZONE
 771 FPTOOLS_TYPE_TIMEZONE
 772
 773 dnl ** do we have altzone?
 774 FPTOOLS_ALTZONE
 775
 776 dnl ** does struct stat contain st_blksize?
 777 AC_STRUCT_ST_BLKSIZE
 778
 779 dnl ** do we have long longs?
 780 FPTOOLS_C_LONG_LONG
 781
 782 dnl ** check what fields struct msghdr contains
 783 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 784 FPTOOLS_MSGHDR_MSG_CONTROL
 785
 786 dnl ** what are the sizes of various types
 787 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 788 AC_CHECK_SIZEOF(char,               1)
 789 AC_CHECK_SIZEOF(double,             8)
 790 AC_CHECK_SIZEOF(float,              4)
 791 AC_CHECK_SIZEOF(int,                4)
 792 AC_CHECK_SIZEOF(long,               4)
 793 if test "$fptools_cv_have_long_long" = yes; then
 794 AC_CHECK_SIZEOF(long long,          8)
 795 fi
 796 AC_CHECK_SIZEOF(short,              2)
 797 AC_CHECK_SIZEOF(unsigned char,      1)
 798 AC_CHECK_SIZEOF(unsigned int,       4)
 799 AC_CHECK_SIZEOF(unsigned long,      4)
 800 if test "$fptools_cv_have_long_long" = yes; then
 801 AC_CHECK_SIZEOF(unsigned long long, 8)
 802 fi
 803 AC_CHECK_SIZEOF(unsigned short,     2)
 804 AC_CHECK_SIZEOF(void *,             4)
 805
 806 dnl ** what are alignment constraints on various types
 807 FPTOOLS_CHECK_ALIGNMENT(char)
 808 FPTOOLS_CHECK_ALIGNMENT(double)
 809 FPTOOLS_CHECK_ALIGNMENT(float)
 810 FPTOOLS_CHECK_ALIGNMENT(int)
 811 FPTOOLS_CHECK_ALIGNMENT(long)
 812 if test "$fptools_cv_have_long_long" = yes; then
 813 FPTOOLS_CHECK_ALIGNMENT(long long)
 814 fi
 815 FPTOOLS_CHECK_ALIGNMENT(short)
 816 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 817 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 818 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 819 if test "$fptools_cv_have_long_long" = yes; then
 820 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 821 fi
 822 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 823 FPTOOLS_CHECK_ALIGNMENT(void *)
 824
 825 dnl ** map standard C types and ISO types to Haskell types
 826 FPTOOLS_CHECK_HTYPE(char)
 827 FPTOOLS_CHECK_HTYPE(signed char)
 828 FPTOOLS_CHECK_HTYPE(unsigned char)
 829 FPTOOLS_CHECK_HTYPE(short)
 830 FPTOOLS_CHECK_HTYPE(unsigned short)
 831 FPTOOLS_CHECK_HTYPE(int)
 832 FPTOOLS_CHECK_HTYPE(unsigned int)
 833 FPTOOLS_CHECK_HTYPE(long)
 834 FPTOOLS_CHECK_HTYPE(unsigned long)
 835 if test "$fptools_cv_have_long_long" = yes; then
 836 FPTOOLS_CHECK_HTYPE(long long)
 837 FPTOOLS_CHECK_HTYPE(unsigned long long)
 838 fi
 839 FPTOOLS_CHECK_HTYPE(float)
 840 FPTOOLS_CHECK_HTYPE(double)
 841 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 842 FPTOOLS_CHECK_HTYPE(size_t)
 843 FPTOOLS_CHECK_HTYPE(wchar_t)
 844 dnl Int32 is a HACK for non-ISO C compilers
 845 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 846 FPTOOLS_CHECK_HTYPE(clock_t)
 847 FPTOOLS_CHECK_HTYPE(time_t)
 848 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 849 FPTOOLS_CHECK_HTYPE(ino_t)
 850 FPTOOLS_CHECK_HTYPE(mode_t)
 851 FPTOOLS_CHECK_HTYPE(off_t)
 852 FPTOOLS_CHECK_HTYPE(pid_t)
 853 FPTOOLS_CHECK_HTYPE(gid_t)
 854 FPTOOLS_CHECK_HTYPE(uid_t)
 855 FPTOOLS_CHECK_HTYPE(cc_t)
 856 FPTOOLS_CHECK_HTYPE(speed_t)
 857 FPTOOLS_CHECK_HTYPE(tcflag_t)
 858 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 859 FPTOOLS_CHECK_HTYPE(nlink_t)
 860 FPTOOLS_CHECK_HTYPE(ssize_t)
 861 FPTOOLS_CHECK_HTYPE(rlim_t)
 862
 863 dnl ** Map OpenGL data types to Haskell types
 864 if test $GhcLibsWithHOpenGL = YES ; then
 865 FPTOOLS_CHECK_HTYPE(GLboolean)
 866 FPTOOLS_CHECK_HTYPE(GLbyte)
 867 FPTOOLS_CHECK_HTYPE(GLubyte)
 868 FPTOOLS_CHECK_HTYPE(GLshort)
 869 FPTOOLS_CHECK_HTYPE(GLushort)
 870 FPTOOLS_CHECK_HTYPE(GLint)
 871 FPTOOLS_CHECK_HTYPE(GLuint)
 872 FPTOOLS_CHECK_HTYPE(GLsizei)
 873 FPTOOLS_CHECK_HTYPE(GLenum)
 874 FPTOOLS_CHECK_HTYPE(GLbitfield)
 875 FPTOOLS_CHECK_HTYPE(GLfloat)
 876 FPTOOLS_CHECK_HTYPE(GLclampf)
 877 FPTOOLS_CHECK_HTYPE(GLdouble)
 878 FPTOOLS_CHECK_HTYPE(GLclampd)
 879 fi
 880
 881 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 882
 883 dnl ** can we open files in binary mode?
 884 FPTOOLS_O_BINARY
 885
 886 dnl ** check for GetModuleFileName and WinExec (windows only)
 887 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 888 dnl Doesn't work because the linker can't see the functions if
 889 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 890
 891 FPTOOLS_TRY_LINK_NOWARN(,[
 892 #if HAVE_WINDOWS_H
 893 #include <windows.h>
 894 #endif
 895 main() {
 896   WinExec("",0);
 897   exit(0);
 898 }
 899 ],
 900 [have_winexec=1],
 901 [have_winexec=0])
 902 if test "$have_winexec" = "1"; then
 903 AC_DEFINE(HAVE_WINEXEC)
 904 fi
 905
 906 FPTOOLS_TRY_LINK_NOWARN(,[
 907 #if HAVE_WINDOWS_H
 908 #include <windows.h>
 909 #endif
 910 main() {
 911   char* dir;
 912   GetModuleFileName((HMODULE)0,dir,0);
 913   exit(0);
 914 }
 915 ],
 916 [have_getmodulefilename=1],
 917 [have_getmodulefilename=0])
 918 if test "$have_getmodulefilename" = "1"; then
 919 AC_DEFINE(HAVE_GETMODULEFILENAME)
 920 fi
 921
 922 dnl ** check return type of signal handlers
 923 dnl Foo: assumes we can use prototypes.
 924 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 925 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 926 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 927 dnl #include <signal.h>
 928 dnl #ifdef signal
 929 dnl #undef signal
 930 dnl #endif
 931 dnl void (*signal (int, void (*)(int)))(int);
 932 dnl ],
 933 dnl [int i;],
 934 dnl ac_cv_type_signal_handler=void_int,
 935 dnl ac_cv_type_signal_handler=int_void)])
 936 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 937 dnl AC_DEFINE(VOID_INT_SIGNALS)
 938 dnl fi
 939
 940 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 941 AC_TYPE_SIGNAL
 942 if test "$ac_cv_type_signal" = void; then
 943 AC_DEFINE(VOID_INT_SIGNALS)
 944 fi
 945
 946 dnl ** check for more functions
 947 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 948 AC_CHECK_FUNCS(strcmp)
 949 AC_CHECK_FUNCS(realpath _fullpath)
 950 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 951 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 952 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 953 AC_CHECK_FUNCS(snprintf  _snprintf )
 954 AC_CHECK_FUNCS(popen     _popen )
 955 AC_CHECK_FUNCS(pclose    _pclose )
 956
 957
 958 dnl ** check for specific library functions that we are interested in
 959 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
 960
 961 dnl ** check whether this machine has gmp3 installed
 962 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 963   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 964     HaveLibGmp=NO; LibGmp=not-installed))
 965 AC_SUBST(HaveLibGmp)
 966 AC_SUBST(LibGmp)
 967
 968 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 969 HaveFrameworkHaskellSupport=NO
 970 if test $HostPlatform = "powerpc-apple-darwin"; then
 971  AC_MSG_CHECKING([for HaskellSupport.framework])
 972  save_libs="$LIBS"
 973  LIBS="-framework HaskellSupport"
 974  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
 975  if test $HaveFrameworkHaskellSupport = YES; then
 976   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
 977  fi;
 978  LIBS="$save_libs"
 979  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
 980 fi;
 981 AC_SUBST(HaveFrameworkHaskellSupport)
 982
 983 dnl ** check for mingwex library
 984 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
 985 AC_SUBST(HaveLibMingwEx)
 986
 987 if test $HaveLibMingwEx = YES ; then
 988   AC_DEFINE(HAVE_MINGWEX)
 989 fi
 990
 991 if test "$HaveLibGmp" = "NO"; then
 992 if test "$HostArch_CPP" = "ia64"; then
 993 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
 994 fi;
 995 fi;
 996
 997 dnl ** check whether this machine has GNU regex in libc.
 998 FPTOOLS_REGEX_IN_LIBC
 999
1000 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1001 dnl    the order of these tests matters: bfd needs liberty
1002 AC_CHECK_LIB(iberty, xmalloc)
1003 AC_CHECK_LIB(bfd,    bfd_init)
1004
1005 dnl ** check for readline, for Hugs and hslibs' Readline
1006 dnl ncurses supersedes termcap and curses, but for compatibility,
1007 dnl we have to check for all...
1008 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1009   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1010     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1011       HaveLibTermcap=NO; LibTermcap=not-installed)))
1012
1013 if test $HaveLibTermcap = YES ; then
1014   LIBS="-l$LibTermcap $LIBS"
1015   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1016 fi
1017
1018 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1019   AC_DEFINE(HAVE_READLINE_LIBS,1)
1020   LibsReadline="readline $LibTermcap"
1021 else
1022   AC_DEFINE(HAVE_READLINE_LIBS,0)
1023   LibsReadline=
1024 fi
1025 AC_SUBST(LibsReadline)
1026
1027 if test "$HaveLibReadline"; then
1028   AC_CHECK_LIB(readline, rl_erase_empty_line,
1029     [AC_DEFINE(HAVE_READLINE_4, 1)],
1030     [AC_DEFINE(HAVE_READLINE_4, 0)])
1031   AC_CHECK_LIB(readline, rl_free_undo_list,
1032     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1033     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1034 else
1035   AC_DEFINE(HAVE_READLINE_4, 0)
1036   AC_DEFINE(HAVE_READLINE_4_2, 0)
1037 fi
1038
1039 dnl ** check for math library
1040 FPTOOLS_CHECK_LIBM()
1041 AC_SUBST(LIBM)
1042
1043 case $HostOS_CPP in
1044 cygwin32) ;;
1045 mingw32)  ;;
1046 *) AC_PATH_XTRA() ;;
1047 esac
1048
1049 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1050 if test $GhcLibsWithHOpenGL = YES ; then
1051 FPTOOLS_HAVE_OPENGL
1052 fi
1053
1054 dnl ################################################################
1055 dnl Check for libraries
1056 dnl ################################################################
1057
1058 dnl ** check for libdl & RTLD_NEXT
1059
1060 dnl (Mac OS X only) ... but don't check if we already have the
1061 dnl HaskellSupport.framework
1062
1063 if test $HaveFrameworkHaskellSupport = YES; then
1064     HaveLibDL=NO
1065     HaveRtldNext=NO
1066     HaveRtldLocal=YES
1067     AC_DEFINE(HAVE_RTLDLOCAL)
1068     HaveRtldGlobal=YES
1069     AC_DEFINE(HAVE_RTLDGLOBAL)
1070     HaveRtldNow=YES
1071     AC_DEFINE(HAVE_RTLDNOW)
1072     AC_SUBST(HaveLibDL)
1073     AC_SUBST(HaveRtldNext)
1074     AC_SUBST(HaveRtldLocal)
1075     AC_SUBST(HaveRtldGlobal)
1076     AC_SUBST(HaveRtldNow)
1077 else
1078     AC_CHECK_LIB(dl, dlopen,
1079         [HaveLibDL=YES
1080          AC_DEFINE(HAVE_LIBDL)
1081          LIBS="$LIBS -ldl"],
1082         [HaveLibDL=NO])
1083     AC_CHECK_FUNCS(dlopen)
1084     AC_SUBST(HaveLibDL)
1085
1086     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1087     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1088     AC_EGREP_CPP(yes,
1089     [
1090      #include <dlfcn.h>
1091      #ifdef RTLD_NEXT
1092             yes
1093      #endif
1094     ], [
1095       AC_MSG_RESULT(yes)
1096       AC_DEFINE(HAVE_RTLDNEXT)
1097       HaveRtldNext=YES
1098     ], [
1099       AC_MSG_RESULT(no)
1100       HaveRtldNext=NO
1101       ])
1102     AC_SUBST(HaveRtldNext)
1103
1104     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1105     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1106     AC_EGREP_CPP(yes,
1107     [
1108      #include <dlfcn.h>
1109      #ifdef RTLD_LOCAL
1110             yes
1111      #endif
1112     ], [
1113       AC_MSG_RESULT(yes)
1114       AC_DEFINE(HAVE_RTLDLOCAL)
1115       HaveRtldLocal=YES
1116     ], [
1117       AC_MSG_RESULT(no)
1118       HaveRtldLocal=NO
1119       ])
1120     AC_SUBST(HaveRtldLocal)
1121
1122     dnl ** RTLD_GLOBAL isn't available on openbsd
1123     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1124     AC_EGREP_CPP(yes,
1125     [
1126      #include <dlfcn.h>
1127      #ifdef RTLD_GLOBAL
1128             yes
1129      #endif
1130     ], [
1131       AC_MSG_RESULT(yes)
1132       AC_DEFINE(HAVE_RTLDGLOBAL)
1133       HaveRtldGlobal=YES
1134     ], [
1135       AC_MSG_RESULT(no)
1136       HaveRtldGlobal=NO
1137       ])
1138     AC_SUBST(HaveRtldGlobal)
1139
1140     dnl ** RTLD_NOW isn't available on openbsd
1141     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1142     AC_EGREP_CPP(yes,
1143     [
1144      #include <dlfcn.h>
1145      #ifdef RTLD_NOW
1146             yes
1147      #endif
1148     ], [
1149       AC_MSG_RESULT(yes)
1150       AC_DEFINE(HAVE_RTLDNOW)
1151       HaveRtldNow=YES
1152     ], [
1153       AC_MSG_RESULT(no)
1154       HaveRtldNow=NO
1155       ])
1156     AC_SUBST(HaveRtldNow)
1157 fi
1158
1159 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1160
1161 dnl ---------- usleep ----------
1162 dnl --- stolen from guile configure ---
1163 dnl --- FIXME: /usr/include/unistd.h can't be right?
1164
1165 ### On some systems usleep has no return value.  If it does have one,
1166 ### we'd like to return it; otherwise, we'll fake it.
1167 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1168   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1169                    /usr/include/unistd.h,
1170                    [cv_func_usleep_return_type=void],
1171                    [cv_func_usleep_return_type=int])])
1172 case "$cv_func_usleep_return_type" in
1173   "void" )
1174     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1175       [Define if the system headers declare usleep to return void.])
1176   ;;
1177 esac
1178
1179 dnl --------------------------------------------------
1180 dnl * test for in_addr_t
1181 dnl --------------------------------------------------
1182 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1183 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1184  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1185  AC_MSG_RESULT(no))
1186
1187 dnl --------------------------------------------------
1188 dnl * test for Linux sendfile(2)
1189 dnl --------------------------------------------------
1190 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1191 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1192  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1193  AC_MSG_RESULT(no))
1194
1195 dnl --------------------------------------------------
1196 dnl * test for BSD sendfile(2)
1197 dnl --------------------------------------------------
1198 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1199 AC_EGREP_HEADER(sendfile, sys/socket.h,
1200  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1201  AC_MSG_RESULT(no))
1202
1203 dnl --------------------------------------------------
1204 dnl * test for GTK+
1205 dnl --------------------------------------------------
1206
1207 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1208 if test "$GTK_CONFIG" != ""; then
1209    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1210         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1211     ])
1212     GTK_VERSION=$fptools_cv_gtk_version
1213 else
1214     GTK_VERSION=
1215 fi
1216
1217 case $fptools_cv_gtk_version in
1218   1.[[23]].*) ;;
1219   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1220      GTK_CONFIG=
1221      ;;
1222 esac
1223
1224 AC_SUBST(GTK_CONFIG)
1225 AC_SUBST(GTK_VERSION)
1226
1227 dnl --------------------------------------------------
1228 dnl * Miscellaneous feature tests
1229 dnl --------------------------------------------------
1230
1231 dnl ** can we get alloca?
1232 AC_FUNC_ALLOCA
1233
1234 dnl ** determine whether or not const works
1235 AC_C_CONST
1236
1237 dnl ** determine whether ANSI-function prototypes work?
1238 AC_C_PROTOTYPES
1239
1240 dnl ** are we big endian?
1241 AC_C_BIGENDIAN
1242 # Allay users' general fear of warnings of any kind.
1243 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1244 )
1245 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1246 )
1247
1248 dnl ** check for leading underscores in symbol names
1249 FPTOOLS_UNDERSCORE
1250
1251 dnl ** check for ld, and whether ld has -x option
1252 AC_PATH_PROG(LdCmdRaw, ld)
1253 case $HostOS_CPP in
1254  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1255            ;;
1256  *) LdCmd=${LdCmdRaw}
1257     ;;
1258 esac
1259 AC_SUBST(LdCmd)
1260 FPTOOLS_LD_X
1261
1262 AC_MSG_CHECKING([for SIGPOLL])
1263 AC_EGREP_CPP(we_have_sigpoll,
1264 [#include <signal.h>
1265 #ifdef SIGPOLL
1266 we_have_sigpoll
1267 #endif
1268 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1269 AC_MSG_RESULT([$haveSIGPOLL])
1270
1271 AC_MSG_CHECKING(for _SC_GETGR_R_SIZE_MAX)
1272 AC_EGREP_CPP(we_have_that_sysconf_thing,
1273 [
1274 #include <unistd.h>
1275 #ifdef _SC_GETGR_R_SIZE_MAX
1276 we_have_that_sysconf_thing
1277 #endif
1278 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX), AC_MSG_RESULT(no))
1279
1280 AC_MSG_CHECKING(for _SC_GETPW_R_SIZE_MAX)
1281 AC_EGREP_CPP(we_have_that_sysconf_thing,
1282 [
1283 #include <unistd.h>
1284 #ifdef _SC_GETPW_R_SIZE_MAX
1285 we_have_that_sysconf_thing
1286 #endif
1287 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX), AC_MSG_RESULT(no))
1288
1289 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )