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 ** Enable large file support.  NB. do this before testing the type of
 725 dnl    off_t, because it will affect the result of that test.
 726 AC_SYS_LARGEFILE
 727
 728 dnl ** check for specific header (.h) files that we are interested in
 729 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)
 730 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 731
 732 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 733 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 734
 735 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 736   HaveReadlineHeaders=YES
 737   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 738 else
 739   HaveReadlineHeaders=NO
 740   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 741 fi
 742 AC_SUBST(HaveReadlineHeaders)
 743
 744 dnl ** check for DOS include files
 745 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 746
 747 dnl ** check for Windows include files
 748 AC_CHECK_HEADERS(windows.h)
 749
 750 dnl ** check for OpenGL include files
 751 AC_CHECK_HEADERS(GL/gl.h)
 752
 753 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 754 AC_HEADER_TIME
 755
 756 dnl dynamic loading include files
 757 AC_CHECK_HEADERS(dlfcn.h dl.h)
 758
 759 dnl ** check for farcalloc (in bcc)
 760 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 761
 762 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 763 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 764
 765 dnl ** check for POSIX regex
 766 HavePosixRegex=NO
 767 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 768 AC_SUBST(HavePosixRegex)
 769
 770 dnl ** how do we get a timezone name, and UTC offset ?
 771 AC_STRUCT_TIMEZONE
 772
 773 dnl ** what's the type of timezone?
 774 FPTOOLS_HAVE_TIMEZONE
 775 FPTOOLS_TYPE_TIMEZONE
 776
 777 dnl ** do we have altzone?
 778 FPTOOLS_ALTZONE
 779
 780 dnl ** does struct stat contain st_blksize?
 781 AC_STRUCT_ST_BLKSIZE
 782
 783 dnl ** do we have long longs?
 784 FPTOOLS_C_LONG_LONG
 785
 786 dnl ** check what fields struct msghdr contains
 787 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 788 FPTOOLS_MSGHDR_MSG_CONTROL
 789
 790 dnl ** what are the sizes of various types
 791 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 792 AC_CHECK_SIZEOF(char,               1)
 793 AC_CHECK_SIZEOF(double,             8)
 794 AC_CHECK_SIZEOF(float,              4)
 795 AC_CHECK_SIZEOF(int,                4)
 796 AC_CHECK_SIZEOF(long,               4)
 797 if test "$fptools_cv_have_long_long" = yes; then
 798 AC_CHECK_SIZEOF(long long,          8)
 799 fi
 800 AC_CHECK_SIZEOF(short,              2)
 801 AC_CHECK_SIZEOF(unsigned char,      1)
 802 AC_CHECK_SIZEOF(unsigned int,       4)
 803 AC_CHECK_SIZEOF(unsigned long,      4)
 804 if test "$fptools_cv_have_long_long" = yes; then
 805 AC_CHECK_SIZEOF(unsigned long long, 8)
 806 fi
 807 AC_CHECK_SIZEOF(unsigned short,     2)
 808 AC_CHECK_SIZEOF(void *,             4)
 809
 810 dnl ** what are alignment constraints on various types
 811 FPTOOLS_CHECK_ALIGNMENT(char)
 812 FPTOOLS_CHECK_ALIGNMENT(double)
 813 FPTOOLS_CHECK_ALIGNMENT(float)
 814 FPTOOLS_CHECK_ALIGNMENT(int)
 815 FPTOOLS_CHECK_ALIGNMENT(long)
 816 if test "$fptools_cv_have_long_long" = yes; then
 817 FPTOOLS_CHECK_ALIGNMENT(long long)
 818 fi
 819 FPTOOLS_CHECK_ALIGNMENT(short)
 820 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 821 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 822 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 823 if test "$fptools_cv_have_long_long" = yes; then
 824 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 825 fi
 826 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 827 FPTOOLS_CHECK_ALIGNMENT(void *)
 828
 829 dnl ** map standard C types and ISO types to Haskell types
 830 FPTOOLS_CHECK_HTYPE(char)
 831 FPTOOLS_CHECK_HTYPE(signed char)
 832 FPTOOLS_CHECK_HTYPE(unsigned char)
 833 FPTOOLS_CHECK_HTYPE(short)
 834 FPTOOLS_CHECK_HTYPE(unsigned short)
 835 FPTOOLS_CHECK_HTYPE(int)
 836 FPTOOLS_CHECK_HTYPE(unsigned int)
 837 FPTOOLS_CHECK_HTYPE(long)
 838 FPTOOLS_CHECK_HTYPE(unsigned long)
 839 if test "$fptools_cv_have_long_long" = yes; then
 840 FPTOOLS_CHECK_HTYPE(long long)
 841 FPTOOLS_CHECK_HTYPE(unsigned long long)
 842 fi
 843 FPTOOLS_CHECK_HTYPE(float)
 844 FPTOOLS_CHECK_HTYPE(double)
 845 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 846 FPTOOLS_CHECK_HTYPE(size_t)
 847 FPTOOLS_CHECK_HTYPE(wchar_t)
 848 dnl Int32 is a HACK for non-ISO C compilers
 849 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 850 FPTOOLS_CHECK_HTYPE(clock_t)
 851 FPTOOLS_CHECK_HTYPE(time_t)
 852 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 853 FPTOOLS_CHECK_HTYPE(ino_t)
 854 FPTOOLS_CHECK_HTYPE(mode_t)
 855 FPTOOLS_CHECK_HTYPE(off_t)
 856 FPTOOLS_CHECK_HTYPE(pid_t)
 857 FPTOOLS_CHECK_HTYPE(gid_t)
 858 FPTOOLS_CHECK_HTYPE(uid_t)
 859 FPTOOLS_CHECK_HTYPE(cc_t)
 860 FPTOOLS_CHECK_HTYPE(speed_t)
 861 FPTOOLS_CHECK_HTYPE(tcflag_t)
 862 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 863 FPTOOLS_CHECK_HTYPE(nlink_t)
 864 FPTOOLS_CHECK_HTYPE(ssize_t)
 865 FPTOOLS_CHECK_HTYPE(rlim_t)
 866
 867 dnl ** Map OpenGL data types to Haskell types
 868 if test $GhcLibsWithHOpenGL = YES ; then
 869 FPTOOLS_CHECK_HTYPE(GLboolean)
 870 FPTOOLS_CHECK_HTYPE(GLbyte)
 871 FPTOOLS_CHECK_HTYPE(GLubyte)
 872 FPTOOLS_CHECK_HTYPE(GLshort)
 873 FPTOOLS_CHECK_HTYPE(GLushort)
 874 FPTOOLS_CHECK_HTYPE(GLint)
 875 FPTOOLS_CHECK_HTYPE(GLuint)
 876 FPTOOLS_CHECK_HTYPE(GLsizei)
 877 FPTOOLS_CHECK_HTYPE(GLenum)
 878 FPTOOLS_CHECK_HTYPE(GLbitfield)
 879 FPTOOLS_CHECK_HTYPE(GLfloat)
 880 FPTOOLS_CHECK_HTYPE(GLclampf)
 881 FPTOOLS_CHECK_HTYPE(GLdouble)
 882 FPTOOLS_CHECK_HTYPE(GLclampd)
 883 fi
 884
 885 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 886
 887 dnl ** can we open files in binary mode?
 888 FPTOOLS_O_BINARY
 889
 890 dnl ** check for GetModuleFileName and WinExec (windows only)
 891 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 892 dnl Doesn't work because the linker can't see the functions if
 893 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 894
 895 FPTOOLS_TRY_LINK_NOWARN(,[
 896 #if HAVE_WINDOWS_H
 897 #include <windows.h>
 898 #endif
 899 main() {
 900   WinExec("",0);
 901   exit(0);
 902 }
 903 ],
 904 [have_winexec=1],
 905 [have_winexec=0])
 906 if test "$have_winexec" = "1"; then
 907 AC_DEFINE(HAVE_WINEXEC)
 908 fi
 909
 910 FPTOOLS_TRY_LINK_NOWARN(,[
 911 #if HAVE_WINDOWS_H
 912 #include <windows.h>
 913 #endif
 914 main() {
 915   char* dir;
 916   GetModuleFileName((HMODULE)0,dir,0);
 917   exit(0);
 918 }
 919 ],
 920 [have_getmodulefilename=1],
 921 [have_getmodulefilename=0])
 922 if test "$have_getmodulefilename" = "1"; then
 923 AC_DEFINE(HAVE_GETMODULEFILENAME)
 924 fi
 925
 926 dnl ** check return type of signal handlers
 927 dnl Foo: assumes we can use prototypes.
 928 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 929 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 930 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 931 dnl #include <signal.h>
 932 dnl #ifdef signal
 933 dnl #undef signal
 934 dnl #endif
 935 dnl void (*signal (int, void (*)(int)))(int);
 936 dnl ],
 937 dnl [int i;],
 938 dnl ac_cv_type_signal_handler=void_int,
 939 dnl ac_cv_type_signal_handler=int_void)])
 940 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 941 dnl AC_DEFINE(VOID_INT_SIGNALS)
 942 dnl fi
 943
 944 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 945 AC_TYPE_SIGNAL
 946 if test "$ac_cv_type_signal" = void; then
 947 AC_DEFINE(VOID_INT_SIGNALS)
 948 fi
 949
 950 dnl ** check for more functions
 951 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 952 AC_CHECK_FUNCS(strcmp)
 953 AC_CHECK_FUNCS(realpath _fullpath)
 954 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 955 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 956 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 957 AC_CHECK_FUNCS(snprintf  _snprintf )
 958 AC_CHECK_FUNCS(popen     _popen )
 959 AC_CHECK_FUNCS(pclose    _pclose )
 960 AC_CHECK_FUNCS(setenv unsetenv)
 961
 962
 963 dnl ** check for specific library functions that we are interested in
 964 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
 965
 966 dnl ** Solaris2 needs additionl flag for getpw*_r()
 967 case "$TargetPlatform" in
 968   *-solaris2*)
 969     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
 970     AC_SUBST(unix_SRC_HSC2HS_OPTS)
 971   ;;
 972 esac
 973
 974 dnl ** check whether this machine has gmp3 installed
 975 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 976   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 977     HaveLibGmp=NO; LibGmp=not-installed))
 978 AC_SUBST(HaveLibGmp)
 979 AC_SUBST(LibGmp)
 980
 981 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 982 HaveFrameworkHaskellSupport=NO
 983 if test $HostPlatform = "powerpc-apple-darwin"; then
 984  AC_MSG_CHECKING([for HaskellSupport.framework])
 985  save_libs="$LIBS"
 986  LIBS="-framework HaskellSupport"
 987  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
 988  if test $HaveFrameworkHaskellSupport = YES; then
 989   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
 990  fi;
 991  LIBS="$save_libs"
 992  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
 993 fi;
 994 AC_SUBST(HaveFrameworkHaskellSupport)
 995
 996 dnl ** check for mingwex library
 997 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
 998 AC_SUBST(HaveLibMingwEx)
 999
1000 if test $HaveLibMingwEx = YES ; then
1001   AC_DEFINE(HAVE_MINGWEX)
1002 fi
1003
1004 if test "$HaveLibGmp" = "NO"; then
1005 if test "$HostArch_CPP" = "ia64"; then
1006 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1007 fi;
1008 fi;
1009
1010 dnl ** check whether this machine has GNU regex in libc.
1011 FPTOOLS_REGEX_IN_LIBC
1012
1013 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1014 dnl    the order of these tests matters: bfd needs liberty
1015 AC_CHECK_LIB(iberty, xmalloc)
1016 AC_CHECK_LIB(bfd,    bfd_init)
1017
1018 dnl ** check for readline, for Hugs and hslibs' Readline
1019 dnl ncurses supersedes termcap and curses, but for compatibility,
1020 dnl we have to check for all...
1021 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1022   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1023     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1024       HaveLibTermcap=NO; LibTermcap=not-installed)))
1025
1026 if test $HaveLibTermcap = YES ; then
1027   LIBS="-l$LibTermcap $LIBS"
1028   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1029 fi
1030
1031 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1032   AC_DEFINE(HAVE_READLINE_LIBS,1)
1033   LibsReadline="readline $LibTermcap"
1034 else
1035   AC_DEFINE(HAVE_READLINE_LIBS,0)
1036   LibsReadline=
1037 fi
1038 AC_SUBST(LibsReadline)
1039
1040 if test "$HaveLibReadline"; then
1041   AC_CHECK_LIB(readline, rl_erase_empty_line,
1042     [AC_DEFINE(HAVE_READLINE_4, 1)],
1043     [AC_DEFINE(HAVE_READLINE_4, 0)])
1044   AC_CHECK_LIB(readline, rl_free_undo_list,
1045     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1046     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1047 else
1048   AC_DEFINE(HAVE_READLINE_4, 0)
1049   AC_DEFINE(HAVE_READLINE_4_2, 0)
1050 fi
1051
1052 dnl ** check for math library
1053 FPTOOLS_CHECK_LIBM()
1054 AC_SUBST(LIBM)
1055
1056 case $HostOS_CPP in
1057 cygwin32) ;;
1058 mingw32)  ;;
1059 *) AC_PATH_XTRA() ;;
1060 esac
1061
1062 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1063 if test $GhcLibsWithHOpenGL = YES ; then
1064 FPTOOLS_HAVE_OPENGL
1065 fi
1066
1067 dnl ################################################################
1068 dnl Check for libraries
1069 dnl ################################################################
1070
1071 dnl ** check for libdl & RTLD_NEXT
1072
1073 dnl (Mac OS X only) ... but don't check if we already have the
1074 dnl HaskellSupport.framework
1075
1076 if test $HaveFrameworkHaskellSupport = YES; then
1077     HaveLibDL=NO
1078     HaveRtldNext=NO
1079     HaveRtldLocal=YES
1080     AC_DEFINE(HAVE_RTLDLOCAL)
1081     HaveRtldGlobal=YES
1082     AC_DEFINE(HAVE_RTLDGLOBAL)
1083     HaveRtldNow=YES
1084     AC_DEFINE(HAVE_RTLDNOW)
1085     AC_SUBST(HaveLibDL)
1086     AC_SUBST(HaveRtldNext)
1087     AC_SUBST(HaveRtldLocal)
1088     AC_SUBST(HaveRtldGlobal)
1089     AC_SUBST(HaveRtldNow)
1090 else
1091     AC_CHECK_LIB(dl, dlopen,
1092         [HaveLibDL=YES
1093          AC_DEFINE(HAVE_LIBDL)
1094          LIBS="$LIBS -ldl"],
1095         [HaveLibDL=NO])
1096     AC_CHECK_FUNCS(dlopen)
1097     AC_SUBST(HaveLibDL)
1098
1099     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1100     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1101     AC_EGREP_CPP(yes,
1102     [
1103      #include <dlfcn.h>
1104      #ifdef RTLD_NEXT
1105             yes
1106      #endif
1107     ], [
1108       AC_MSG_RESULT(yes)
1109       AC_DEFINE(HAVE_RTLDNEXT)
1110       HaveRtldNext=YES
1111     ], [
1112       AC_MSG_RESULT(no)
1113       HaveRtldNext=NO
1114       ])
1115     AC_SUBST(HaveRtldNext)
1116
1117     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1118     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1119     AC_EGREP_CPP(yes,
1120     [
1121      #include <dlfcn.h>
1122      #ifdef RTLD_LOCAL
1123             yes
1124      #endif
1125     ], [
1126       AC_MSG_RESULT(yes)
1127       AC_DEFINE(HAVE_RTLDLOCAL)
1128       HaveRtldLocal=YES
1129     ], [
1130       AC_MSG_RESULT(no)
1131       HaveRtldLocal=NO
1132       ])
1133     AC_SUBST(HaveRtldLocal)
1134
1135     dnl ** RTLD_GLOBAL isn't available on openbsd
1136     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1137     AC_EGREP_CPP(yes,
1138     [
1139      #include <dlfcn.h>
1140      #ifdef RTLD_GLOBAL
1141             yes
1142      #endif
1143     ], [
1144       AC_MSG_RESULT(yes)
1145       AC_DEFINE(HAVE_RTLDGLOBAL)
1146       HaveRtldGlobal=YES
1147     ], [
1148       AC_MSG_RESULT(no)
1149       HaveRtldGlobal=NO
1150       ])
1151     AC_SUBST(HaveRtldGlobal)
1152
1153     dnl ** RTLD_NOW isn't available on openbsd
1154     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1155     AC_EGREP_CPP(yes,
1156     [
1157      #include <dlfcn.h>
1158      #ifdef RTLD_NOW
1159             yes
1160      #endif
1161     ], [
1162       AC_MSG_RESULT(yes)
1163       AC_DEFINE(HAVE_RTLDNOW)
1164       HaveRtldNow=YES
1165     ], [
1166       AC_MSG_RESULT(no)
1167       HaveRtldNow=NO
1168       ])
1169     AC_SUBST(HaveRtldNow)
1170 fi
1171
1172 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1173
1174 dnl ---------- usleep ----------
1175 dnl --- stolen from guile configure ---
1176 dnl --- FIXME: /usr/include/unistd.h can't be right?
1177
1178 ### On some systems usleep has no return value.  If it does have one,
1179 ### we'd like to return it; otherwise, we'll fake it.
1180 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1181   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1182                    /usr/include/unistd.h,
1183                    [cv_func_usleep_return_type=void],
1184                    [cv_func_usleep_return_type=int])])
1185 case "$cv_func_usleep_return_type" in
1186   "void" )
1187     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1188       [Define if the system headers declare usleep to return void.])
1189   ;;
1190 esac
1191
1192 dnl --------------------------------------------------
1193 dnl * test for in_addr_t
1194 dnl --------------------------------------------------
1195 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1196 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1197  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1198  AC_MSG_RESULT(no))
1199
1200 dnl --------------------------------------------------
1201 dnl * test for Linux sendfile(2)
1202 dnl --------------------------------------------------
1203 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1204 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1205  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1206  AC_MSG_RESULT(no))
1207
1208 dnl --------------------------------------------------
1209 dnl * test for BSD sendfile(2)
1210 dnl --------------------------------------------------
1211 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1212 AC_EGREP_HEADER(sendfile, sys/socket.h,
1213  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1214  AC_MSG_RESULT(no))
1215
1216 dnl --------------------------------------------------
1217 dnl * test for GTK+
1218 dnl --------------------------------------------------
1219
1220 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1221 if test "$GTK_CONFIG" != ""; then
1222    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1223         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1224     ])
1225     GTK_VERSION=$fptools_cv_gtk_version
1226 else
1227     GTK_VERSION=
1228 fi
1229
1230 case $fptools_cv_gtk_version in
1231   1.[[23]].*) ;;
1232   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1233      GTK_CONFIG=
1234      ;;
1235 esac
1236
1237 AC_SUBST(GTK_CONFIG)
1238 AC_SUBST(GTK_VERSION)
1239
1240 dnl --------------------------------------------------
1241 dnl * Miscellaneous feature tests
1242 dnl --------------------------------------------------
1243
1244 dnl ** can we get alloca?
1245 AC_FUNC_ALLOCA
1246
1247 dnl ** determine whether or not const works
1248 AC_C_CONST
1249
1250 dnl ** determine whether ANSI-function prototypes work?
1251 AC_C_PROTOTYPES
1252
1253 dnl ** are we big endian?
1254 AC_C_BIGENDIAN
1255 # Allay users' general fear of warnings of any kind.
1256 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1257 )
1258 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1259 )
1260
1261 dnl ** check for leading underscores in symbol names
1262 FPTOOLS_UNDERSCORE
1263
1264 dnl ** check for ld, and whether ld has -x option
1265 AC_PATH_PROG(LdCmdRaw, ld)
1266 case $HostOS_CPP in
1267  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1268            ;;
1269  *) LdCmd=${LdCmdRaw}
1270     ;;
1271 esac
1272 AC_SUBST(LdCmd)
1273 FPTOOLS_LD_X
1274
1275 AC_MSG_CHECKING([for SIGPOLL])
1276 AC_EGREP_CPP(we_have_sigpoll,
1277 [#include <signal.h>
1278 #ifdef SIGPOLL
1279 we_have_sigpoll
1280 #endif
1281 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1282 AC_MSG_RESULT([$haveSIGPOLL])
1283
1284 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1285 AC_EGREP_CPP(we_have_that_sysconf_thing,
1286 [
1287 #include <unistd.h>
1288 #ifdef _SC_GETGR_R_SIZE_MAX
1289 we_have_that_sysconf_thing
1290 #endif
1291 ],
1292 [AC_MSG_RESULT([yes])
1293 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1294 [AC_MSG_RESULT([no])])
1295
1296 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1297 AC_EGREP_CPP(we_have_that_sysconf_thing,
1298 [
1299 #include <unistd.h>
1300 #ifdef _SC_GETPW_R_SIZE_MAX
1301 we_have_that_sysconf_thing
1302 #endif
1303 ],
1304 [AC_MSG_RESULT([yes])
1305 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1306 [AC_MSG_RESULT([no])])
1307
1308 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )