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="$withval"
 435  CC="$withval"],
 436 [WhatGccIsCalled="gcc"]
 437 )
 438 AC_SUBST(WhatGccIsCalled)
 439
 440 dnl ** Booting from .hc files?
 441 dnl --------------------------------------------------------------
 442 AC_ARG_ENABLE(hc-boot,
 443 [  --enable-hc-boot
 444         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 445         (This option is mostly of interest to porters.)
 446 ],
 447 [BootingFromHc=YES],
 448 [BootingFromHc=NO]
 449 )
 450 AC_SUBST(BootingFromHc)
 451
 452 dnl ** Booting from unregisterised .hc files?
 453 dnl --------------------------------------------------------------
 454 AC_ARG_ENABLE(hc-boot-unregisterised,
 455 [  --enable-hc-boot-unregisterised
 456         With --enable-hc-boot, treat the intermediate .hc files as
 457         unregisterised rather than registerised code.
 458         (This option is mostly of interest to porters.)
 459 ],
 460 [BootingFromUnregisterisedHc=YES],
 461 [BootingFromUnregisterisedHc=NO]
 462 )
 463 AC_SUBST(BootingFromUnregisterisedHc)
 464
 465 if test "$BootingFromHc" = "NO"; then
 466 if test "$BootingFromUnregisterisedHc" = "YES"; then
 467 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 468 fi;
 469 fi;
 470
 471
 472 dnl ** Enable multi-thread friendly RTS?
 473 dnl --------------------------------------------------------------
 474 AC_ARG_ENABLE(threaded-rts,
 475 [  --enable-threaded-rts
 476         Support better interop with OS threads.
 477 ],
 478 [ThreadedRts=YES],
 479 [ThreadedRts=NO]
 480 )
 481 AC_SUBST(ThreadedRts)
 482
 483 dnl ** Enable the construction of Win32 DLLs?
 484 dnl --------------------------------------------------------------
 485 AC_ARG_ENABLE(win32-dlls,
 486 [  --enable-win32-dlls
 487         If on a Win32 platform running mingw32/cygwin, enable the
 488         construction of DLLs containing ghc-compiled code.
 489 ],
 490 [
 491 case $HostOS_CPP in
 492 cygwin32) ;;
 493 mingw32)  ;;
 494 *)    echo "Unrecognised win32 platform: $HostPlatform"
 495       exit 1
 496       ;;
 497 esac
 498 EnableWin32DLLs=YES
 499 ],
 500 [EnableWin32DLLs=NO]
 501 )
 502 AC_SUBST(EnableWin32DLLs)
 503 if test x"$EnableWin32DLLs" = "xYES" ; then
 504  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 505 fi
 506
 507 dnl ** Enable the building of the ObjectIO?
 508 dnl --------------------------------------------------------------
 509 AC_ARG_ENABLE(objectio,
 510 [  --enable-objectio
 511         Build ObjectIO, a portable GUI library for Haskell.
 512         (This option is only relevant when libraries are built.)
 513 ],
 514 [GhcLibsWithObjectIO=YES],
 515 [GhcLibsWithObjectIO=NO]
 516 )
 517 AC_SUBST(GhcLibsWithObjectIO)
 518
 519 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 520 dnl --------------------------------------------------------------
 521 AC_ARG_ENABLE(hopengl,
 522 [  --enable-hopengl
 523         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 524         (NOTE: Work in progress, currently only GLUT is supported!)
 525 ],
 526 [GhcLibsWithHOpenGL=YES],
 527 [GhcLibsWithHOpenGL=NO]
 528 )
 529 AC_SUBST(GhcLibsWithHOpenGL)
 530
 531 dnl ** Use a specific version of the GLUT API
 532 dnl --------------------------------------------------------------
 533 AC_ARG_WITH(glut-api,
 534 [  --with-glut-api=<version>
 535         Use a specific version of the GLUT API when building HOpenGL.
 536 ])
 537 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 538
 539
 540 dnl ** Use a specific version of the GLUT API
 541 dnl --------------------------------------------------------------
 542 AC_ARG_WITH(glut-xlib,
 543 [  --with-glut-xlib=<version>
 544         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 545 ])
 546 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 547
 548
 549
 550
 551 dnl --------------------------------------------------------------
 552 dnl End of configure script option section
 553 dnl --------------------------------------------------------------
 554
 555
 556 dnl --------------------------------------------------------------
 557 dnl * General configuration checks
 558 dnl --------------------------------------------------------------
 559
 560 dnl ** does #! work?
 561 AC_SYS_INTERPRETER()
 562
 563 dnl ** look for `perl', but only in /bin on Windows
 564 case $HostOS_CPP in
 565 cygwin32|mingw32)
 566       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 567       if test -z "$PerlCmd"; then
 568          echo "You must install the version of Perl shipped with GHC"
 569          echo "(or a compatible one) in /bin."
 570          exit 1
 571       fi
 572    ;;
 573 *)
 574    AC_PATH_PROG(PerlCmd,perl)
 575    if test -z "$PerlCmd"; then
 576       echo "You must install perl before you can continue"
 577       echo "Perhaps it is already installed, but not in your PATH?"
 578       exit 1
 579    else
 580    FPTOOLS_CHECK_PERL_VERSION
 581    fi
 582    ;;
 583 esac
 584
 585 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 586 FPTOOLS_SHEBANG_PERL
 587
 588 dnl ** check for Python
 589 AC_PATH_PROG(PythonCmd,python)
 590
 591 dnl ** look for GCC and find out which version
 592 dnl     Figure out which C compiler to use.  Gcc is preferred.
 593 dnl     If gcc, make sure it's at least 2.1
 594 dnl
 595 AC_PROG_CC
 596 FPTOOLS_HAVE_GCC
 597 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 598
 599 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 600 AC_PROG_CPP
 601
 602 dnl ** Without optimization some INLINE trickery fails for GHCi
 603 SRC_CC_OPTS="-O"
 604
 605 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 606 if test x"$TargetOS_CPP" = x"mingw32"; then
 607   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 608   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 609   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 610 fi
 611 AC_SUBST(SRC_CC_OPTS)
 612
 613 dnl ** figure out how to do context diffs
 614 FPTOOLS_PROG_DIFF
 615
 616 dnl ** Find find command (for Win32's benefit)
 617 FPTOOLS_FIND_FIND
 618
 619 dnl ** look for a decent parser generator (bison preferred)
 620 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 621 dnl  on the suitability of the 'yacc' returned.)
 622 FPTOOLS_PROG_YACCY
 623
 624 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 625 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 626 dnl    exists if 'flex' doesn't.
 627 AC_PROG_LEX_STRICT
 628
 629 dnl ** figure out how to do a BSD-ish install
 630 AC_PROG_INSTALL
 631
 632 dnl If you can run configure, you certainly have /bin/sh
 633 AC_DEFINE(HAVE_BIN_SH)
 634
 635 dnl ** how to invoke `ar' and `ranlib'
 636 FPTOOLS_PROG_AR_AND_RANLIB
 637
 638 dnl ** Check to see whether ln -s works
 639 AC_PROG_LN_S
 640
 641
 642 dnl ** Find the path to sed
 643 AC_PATH_PROG(SedCmd,sed)
 644
 645
 646 dnl ** check for time command
 647 AC_PATH_PROG(TimeCmd,time)
 648
 649 dnl ** check for tar
 650 dnl   if GNU tar is named gtar, look for it first.
 651 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 652
 653 dnl ** check for gzip/compress
 654 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 655
 656 dnl ** check for jade/openjade & determine a working catalog
 657 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 658 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 659                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 660 if test -z "$Catalog"; then
 661   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 662 fi
 663 case $Catalog in
 664    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 665         Catalog=
 666         ;;
 667    glafp*)
 668         case $HostOS_CPP in
 669            mingw32)
 670               Catalog=`cygpath -w $hardtop/$Catalog`
 671               ;;
 672            *) Catalog=$hardtop/$Catalog
 673               ;;
 674         esac
 675    ;;
 676 esac
 677 AC_SUBST(Catalog)
 678
 679 compress_nm=`basename $CompressCmd`
 680 if test x"$compress_nm" = xgzip; then
 681   CompressCmd="$CompressCmd -d"
 682   CompressSuffix="gz"
 683 else
 684   CompressSuffix="Z"
 685 fi
 686 AC_SUBST(CompressCmd)
 687 AC_SUBST(CompressSuffix)
 688
 689 AC_ARG_ENABLE(src-tree-happy,
 690 [  --enable-src-tree-happy
 691         Build and use source tree (fptools/happy) version of happy.
 692 ],
 693 [UseSrcTreeHappy=YES],
 694 [UseSrcTreeHappy=NO]
 695 )
 696 dnl ** check for installed happy binary + version
 697 dnl    (don't do it if we're booting from .hc files though.)
 698 if test "$BootingFromHc" = "NO"; then
 699 FPTOOLS_HAPPY
 700 fi;
 701
 702 AC_ARG_ENABLE(src-tree-haddock,
 703 [  --enable-src-tree-haddock
 704         Build and use source tree (fptools/haddock) version of haddock.
 705 ],
 706 [UseSrcTreeHaddock=YES],
 707 [UseSrcTreeHaddock=NO]
 708 )
 709 dnl ** check for installed haddock
 710 FPTOOLS_HADDOCK
 711
 712 dnl --------------------------------------------------
 713 dnl ### program checking section ends here ###
 714 dnl --------------------------------------------------
 715
 716 dnl --------------------------------------------------
 717 dnl * Platform header file and syscall feature tests
 718 dnl ### checking the state of the local header files and syscalls ###
 719
 720 dnl ** check for full ANSI header (.h) files
 721 AC_HEADER_STDC
 722
 723 dnl ** check for specific header (.h) files that we are interested in
 724 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)
 725 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 726
 727 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 728 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 729
 730 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 731   HaveReadlineHeaders=YES
 732   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 733 else
 734   HaveReadlineHeaders=NO
 735   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 736 fi
 737 AC_SUBST(HaveReadlineHeaders)
 738
 739 dnl ** check for DOS include files
 740 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 741
 742 dnl ** check for Windows include files
 743 AC_CHECK_HEADERS(windows.h)
 744
 745 dnl ** check for OpenGL include files
 746 AC_CHECK_HEADERS(GL/gl.h)
 747
 748 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 749 AC_HEADER_TIME
 750
 751 dnl dynamic loading include files
 752 AC_CHECK_HEADERS(dlfcn.h dl.h)
 753
 754 dnl ** check for farcalloc (in bcc)
 755 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 756
 757 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 758 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 759
 760 dnl ** check for POSIX regex
 761 HavePosixRegex=NO
 762 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 763 AC_SUBST(HavePosixRegex)
 764
 765 dnl ** how do we get a timezone name, and UTC offset ?
 766 AC_STRUCT_TIMEZONE
 767
 768 dnl ** what's the type of timezone?
 769 FPTOOLS_HAVE_TIMEZONE
 770 FPTOOLS_TYPE_TIMEZONE
 771
 772 dnl ** do we have altzone?
 773 FPTOOLS_ALTZONE
 774
 775 dnl ** does struct stat contain st_blksize?
 776 AC_STRUCT_ST_BLKSIZE
 777
 778 dnl ** do we have long longs?
 779 FPTOOLS_C_LONG_LONG
 780
 781 dnl ** check what fields struct msghdr contains
 782 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 783 FPTOOLS_MSGHDR_MSG_CONTROL
 784
 785 dnl ** what are the sizes of various types
 786 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 787 AC_CHECK_SIZEOF(char,               1)
 788 AC_CHECK_SIZEOF(double,             8)
 789 AC_CHECK_SIZEOF(float,              4)
 790 AC_CHECK_SIZEOF(int,                4)
 791 AC_CHECK_SIZEOF(long,               4)
 792 if test "$fptools_cv_have_long_long" = yes; then
 793 AC_CHECK_SIZEOF(long long,          8)
 794 fi
 795 AC_CHECK_SIZEOF(short,              2)
 796 AC_CHECK_SIZEOF(unsigned char,      1)
 797 AC_CHECK_SIZEOF(unsigned int,       4)
 798 AC_CHECK_SIZEOF(unsigned long,      4)
 799 if test "$fptools_cv_have_long_long" = yes; then
 800 AC_CHECK_SIZEOF(unsigned long long, 8)
 801 fi
 802 AC_CHECK_SIZEOF(unsigned short,     2)
 803 AC_CHECK_SIZEOF(void *,             4)
 804
 805 dnl ** what are alignment constraints on various types
 806 FPTOOLS_CHECK_ALIGNMENT(char)
 807 FPTOOLS_CHECK_ALIGNMENT(double)
 808 FPTOOLS_CHECK_ALIGNMENT(float)
 809 FPTOOLS_CHECK_ALIGNMENT(int)
 810 FPTOOLS_CHECK_ALIGNMENT(long)
 811 if test "$fptools_cv_have_long_long" = yes; then
 812 FPTOOLS_CHECK_ALIGNMENT(long long)
 813 fi
 814 FPTOOLS_CHECK_ALIGNMENT(short)
 815 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 816 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 817 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 818 if test "$fptools_cv_have_long_long" = yes; then
 819 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 820 fi
 821 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 822 FPTOOLS_CHECK_ALIGNMENT(void *)
 823
 824 dnl ** map standard C types and ISO types to Haskell types
 825 FPTOOLS_CHECK_HTYPE(char)
 826 FPTOOLS_CHECK_HTYPE(signed char)
 827 FPTOOLS_CHECK_HTYPE(unsigned char)
 828 FPTOOLS_CHECK_HTYPE(short)
 829 FPTOOLS_CHECK_HTYPE(unsigned short)
 830 FPTOOLS_CHECK_HTYPE(int)
 831 FPTOOLS_CHECK_HTYPE(unsigned int)
 832 FPTOOLS_CHECK_HTYPE(long)
 833 FPTOOLS_CHECK_HTYPE(unsigned long)
 834 if test "$fptools_cv_have_long_long" = yes; then
 835 FPTOOLS_CHECK_HTYPE(long long)
 836 FPTOOLS_CHECK_HTYPE(unsigned long long)
 837 fi
 838 FPTOOLS_CHECK_HTYPE(float)
 839 FPTOOLS_CHECK_HTYPE(double)
 840 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 841 FPTOOLS_CHECK_HTYPE(size_t)
 842 FPTOOLS_CHECK_HTYPE(wchar_t)
 843 dnl Int32 is a HACK for non-ISO C compilers
 844 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 845 FPTOOLS_CHECK_HTYPE(clock_t)
 846 FPTOOLS_CHECK_HTYPE(time_t)
 847 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 848 FPTOOLS_CHECK_HTYPE(ino_t)
 849 FPTOOLS_CHECK_HTYPE(mode_t)
 850 FPTOOLS_CHECK_HTYPE(off_t)
 851 FPTOOLS_CHECK_HTYPE(pid_t)
 852 FPTOOLS_CHECK_HTYPE(gid_t)
 853 FPTOOLS_CHECK_HTYPE(uid_t)
 854 FPTOOLS_CHECK_HTYPE(cc_t)
 855 FPTOOLS_CHECK_HTYPE(speed_t)
 856 FPTOOLS_CHECK_HTYPE(tcflag_t)
 857 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 858 FPTOOLS_CHECK_HTYPE(nlink_t)
 859 FPTOOLS_CHECK_HTYPE(ssize_t)
 860
 861 dnl ** Map OpenGL data types to Haskell types
 862 if test $GhcLibsWithHOpenGL = YES ; then
 863 FPTOOLS_CHECK_HTYPE(GLboolean)
 864 FPTOOLS_CHECK_HTYPE(GLbyte)
 865 FPTOOLS_CHECK_HTYPE(GLubyte)
 866 FPTOOLS_CHECK_HTYPE(GLshort)
 867 FPTOOLS_CHECK_HTYPE(GLushort)
 868 FPTOOLS_CHECK_HTYPE(GLint)
 869 FPTOOLS_CHECK_HTYPE(GLuint)
 870 FPTOOLS_CHECK_HTYPE(GLsizei)
 871 FPTOOLS_CHECK_HTYPE(GLenum)
 872 FPTOOLS_CHECK_HTYPE(GLbitfield)
 873 FPTOOLS_CHECK_HTYPE(GLfloat)
 874 FPTOOLS_CHECK_HTYPE(GLclampf)
 875 FPTOOLS_CHECK_HTYPE(GLdouble)
 876 FPTOOLS_CHECK_HTYPE(GLclampd)
 877 fi
 878
 879 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 880
 881 dnl ** can we open files in binary mode?
 882 FPTOOLS_O_BINARY
 883
 884 dnl ** check for GetModuleFileName and WinExec (windows only)
 885 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 886 dnl Doesn't work because the linker can't see the functions if
 887 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 888
 889 FPTOOLS_TRY_LINK_NOWARN(,[
 890 #if HAVE_WINDOWS_H
 891 #include <windows.h>
 892 #endif
 893 main() {
 894   WinExec("",0);
 895   exit(0);
 896 }
 897 ],
 898 [have_winexec=1],
 899 [have_winexec=0])
 900 if test "$have_winexec" = "1"; then
 901 AC_DEFINE(HAVE_WINEXEC)
 902 fi
 903
 904 FPTOOLS_TRY_LINK_NOWARN(,[
 905 #if HAVE_WINDOWS_H
 906 #include <windows.h>
 907 #endif
 908 main() {
 909   char* dir;
 910   GetModuleFileName((HMODULE)0,dir,0);
 911   exit(0);
 912 }
 913 ],
 914 [have_getmodulefilename=1],
 915 [have_getmodulefilename=0])
 916 if test "$have_getmodulefilename" = "1"; then
 917 AC_DEFINE(HAVE_GETMODULEFILENAME)
 918 fi
 919
 920 dnl ** check return type of signal handlers
 921 dnl Foo: assumes we can use prototypes.
 922 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 923 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 924 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 925 dnl #include <signal.h>
 926 dnl #ifdef signal
 927 dnl #undef signal
 928 dnl #endif
 929 dnl void (*signal (int, void (*)(int)))(int);
 930 dnl ],
 931 dnl [int i;],
 932 dnl ac_cv_type_signal_handler=void_int,
 933 dnl ac_cv_type_signal_handler=int_void)])
 934 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 935 dnl AC_DEFINE(VOID_INT_SIGNALS)
 936 dnl fi
 937
 938 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 939 AC_TYPE_SIGNAL
 940 if test "$ac_cv_type_signal" = void; then
 941 AC_DEFINE(VOID_INT_SIGNALS)
 942 fi
 943
 944 dnl ** check for more functions
 945 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 946 AC_CHECK_FUNCS(strcmp)
 947 AC_CHECK_FUNCS(realpath _fullpath)
 948 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 949 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 950 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 951 AC_CHECK_FUNCS(snprintf  _snprintf )
 952 AC_CHECK_FUNCS(popen     _popen )
 953 AC_CHECK_FUNCS(pclose    _pclose )
 954
 955
 956 dnl ** check for specific library functions that we are interested in
 957 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)
 958
 959 dnl ** check whether this machine has gmp3 installed
 960 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 961   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 962     HaveLibGmp=NO; LibGmp=not-installed))
 963 AC_SUBST(HaveLibGmp)
 964 AC_SUBST(LibGmp)
 965
 966 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 967 HaveFrameworkHaskellSupport=NO
 968 if test $HostPlatform = "powerpc-apple-darwin"; then
 969  AC_MSG_CHECKING([for HaskellSupport.framework])
 970  save_libs="$LIBS"
 971  LIBS="-framework HaskellSupport"
 972  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
 973  if test $HaveFrameworkHaskellSupport = YES; then
 974   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
 975  fi;
 976  LIBS="$save_libs"
 977  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
 978 fi;
 979 AC_SUBST(HaveFrameworkHaskellSupport)
 980
 981 dnl ** check for mingwex library
 982 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
 983 AC_SUBST(HaveLibMingwEx)
 984
 985 if test $HaveLibMingwEx = YES ; then
 986   AC_DEFINE(HAVE_MINGWEX)
 987 fi
 988
 989 if test "$HaveLibGmp" = "NO"; then
 990 if test "$HostArch_CPP" = "ia64"; then
 991 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
 992 fi;
 993 fi;
 994
 995 dnl ** check whether this machine has GNU regex in libc.
 996 FPTOOLS_REGEX_IN_LIBC
 997
 998 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 999 dnl    the order of these tests matters: bfd needs liberty
1000 AC_CHECK_LIB(iberty, xmalloc)
1001 AC_CHECK_LIB(bfd,    bfd_init)
1002
1003 dnl ** check for readline, for Hugs and hslibs' Readline
1004 dnl ncurses supersedes termcap and curses, but for compatibility,
1005 dnl we have to check for all...
1006 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1007   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1008     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1009       HaveLibTermcap=NO; LibTermcap=not-installed)))
1010
1011 if test $HaveLibTermcap = YES ; then
1012   LIBS="-l$LibTermcap $LIBS"
1013   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1014 fi
1015
1016 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1017   AC_DEFINE(HAVE_READLINE_LIBS,1)
1018   LibsReadline="readline $LibTermcap"
1019 else
1020   AC_DEFINE(HAVE_READLINE_LIBS,0)
1021   LibsReadline=
1022 fi
1023 AC_SUBST(LibsReadline)
1024
1025 if test "$HaveLibReadline"; then
1026   AC_CHECK_LIB(readline, rl_erase_empty_line,
1027     [AC_DEFINE(HAVE_READLINE_4, 1)],
1028     [AC_DEFINE(HAVE_READLINE_4, 0)])
1029   AC_CHECK_LIB(readline, rl_free_undo_list,
1030     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1031     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1032 else
1033   AC_DEFINE(HAVE_READLINE_4, 0)
1034   AC_DEFINE(HAVE_READLINE_4_2, 0)
1035 fi
1036
1037 dnl ** check for math library
1038 FPTOOLS_CHECK_LIBM()
1039 AC_SUBST(LIBM)
1040
1041 case $HostOS_CPP in
1042 cygwin32) ;;
1043 mingw32)  ;;
1044 *) AC_PATH_XTRA() ;;
1045 esac
1046
1047 FPTOOLS_HAVE_OPENGL
1048
1049 dnl ################################################################
1050 dnl Check for libraries
1051 dnl ################################################################
1052
1053 dnl ** check for libdl & RTLD_NEXT
1054
1055 dnl (Mac OS X only) ... but don't check if we already have the
1056 dnl HaskellSupport.framework
1057
1058 if test $HaveFrameworkHaskellSupport = YES; then
1059     HaveLibDL = NO
1060     HaveRtldNext=NO
1061     HaveRtldLocal=YES
1062     AC_DEFINE(HAVE_RTLDLOCAL)
1063     HaveRtldGlobal=YES
1064     AC_DEFINE(HAVE_RTLDGLOBAL)
1065     HaveRtldNow=YES
1066     AC_DEFINE(HAVE_RTLDNOW)
1067     AC_SUBST(HaveLibDL)
1068     AC_SUBST(HaveRtldNext)
1069     AC_SUBST(HaveRtldLocal)
1070     AC_SUBST(HaveRtldGlobal)
1071     AC_SUBST(HaveRtldNow)
1072 else
1073     AC_CHECK_LIB(dl, dlopen,
1074         [HaveLibDL=YES
1075          AC_DEFINE(HAVE_LIBDL)
1076          LIBS="$LIBS -ldl"],
1077         [HaveLibDL=NO])
1078     AC_CHECK_FUNCS(dlopen)
1079     AC_SUBST(HaveLibDL)
1080
1081     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1082     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1083     AC_EGREP_CPP(yes,
1084     [
1085      #include <dlfcn.h>
1086      #ifdef RTLD_NEXT
1087             yes
1088      #endif
1089     ], [
1090       AC_MSG_RESULT(yes)
1091       AC_DEFINE(HAVE_RTLDNEXT)
1092       HaveRtldNext=YES
1093     ], [
1094       AC_MSG_RESULT(no)
1095       HaveRtldNext=NO
1096       ])
1097     AC_SUBST(HaveRtldNext)
1098
1099     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1100     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1101     AC_EGREP_CPP(yes,
1102     [
1103      #include <dlfcn.h>
1104      #ifdef RTLD_LOCAL
1105             yes
1106      #endif
1107     ], [
1108       AC_MSG_RESULT(yes)
1109       AC_DEFINE(HAVE_RTLDLOCAL)
1110       HaveRtldLocal=YES
1111     ], [
1112       AC_MSG_RESULT(no)
1113       HaveRtldLocal=NO
1114       ])
1115     AC_SUBST(HaveRtldLocal)
1116
1117     dnl ** RTLD_GLOBAL isn't available on openbsd
1118     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1119     AC_EGREP_CPP(yes,
1120     [
1121      #include <dlfcn.h>
1122      #ifdef RTLD_GLOBAL
1123             yes
1124      #endif
1125     ], [
1126       AC_MSG_RESULT(yes)
1127       AC_DEFINE(HAVE_RTLDGLOBAL)
1128       HaveRtldGlobal=YES
1129     ], [
1130       AC_MSG_RESULT(no)
1131       HaveRtldGlobal=NO
1132       ])
1133     AC_SUBST(HaveRtldGlobal)
1134
1135     dnl ** RTLD_NOW isn't available on openbsd
1136     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1137     AC_EGREP_CPP(yes,
1138     [
1139      #include <dlfcn.h>
1140      #ifdef RTLD_NOW
1141             yes
1142      #endif
1143     ], [
1144       AC_MSG_RESULT(yes)
1145       AC_DEFINE(HAVE_RTLDNOW)
1146       HaveRtldNow=YES
1147     ], [
1148       AC_MSG_RESULT(no)
1149       HaveRtldNow=NO
1150       ])
1151     AC_SUBST(HaveRtldNow)
1152 fi
1153
1154 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1155
1156 dnl ---------- usleep ----------
1157 dnl --- stolen from guile configure ---
1158 dnl --- FIXME: /usr/include/unistd.h can't be right?
1159
1160 ### On some systems usleep has no return value.  If it does have one,
1161 ### we'd like to return it; otherwise, we'll fake it.
1162 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1163   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1164                    /usr/include/unistd.h,
1165                    [cv_func_usleep_return_type=void],
1166                    [cv_func_usleep_return_type=int])])
1167 case "$cv_func_usleep_return_type" in
1168   "void" )
1169     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1170       [Define if the system headers declare usleep to return void.])
1171   ;;
1172 esac
1173
1174 dnl --------------------------------------------------
1175 dnl * test for in_addr_t
1176 dnl --------------------------------------------------
1177 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1178 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1179  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1180  AC_MSG_RESULT(no))
1181
1182 dnl --------------------------------------------------
1183 dnl * test for Linux sendfile(2)
1184 dnl --------------------------------------------------
1185 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1186 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1187  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1188  AC_MSG_RESULT(no))
1189
1190 dnl --------------------------------------------------
1191 dnl * test for BSD sendfile(2)
1192 dnl --------------------------------------------------
1193 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1194 AC_EGREP_HEADER(sendfile, sys/socket.h,
1195  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1196  AC_MSG_RESULT(no))
1197
1198 dnl --------------------------------------------------
1199 dnl * test for GTK+
1200 dnl --------------------------------------------------
1201
1202 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1203 if test "$GTK_CONFIG" != ""; then
1204    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1205         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1206     ])
1207     GTK_VERSION=$fptools_cv_gtk_version
1208 else
1209     GTK_VERSION=
1210 fi
1211
1212 case $fptools_cv_gtk_version in
1213   1.[[23]].*) ;;
1214   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1215      GTK_CONFIG=
1216      ;;
1217 esac
1218
1219 AC_SUBST(GTK_CONFIG)
1220 AC_SUBST(GTK_VERSION)
1221
1222 dnl --------------------------------------------------
1223 dnl * Miscellaneous feature tests
1224 dnl --------------------------------------------------
1225
1226 dnl ** can we get alloca?
1227 AC_FUNC_ALLOCA
1228
1229 dnl ** determine whether or not const works
1230 AC_C_CONST
1231
1232 dnl ** determine whether ANSI-function prototypes work?
1233 AC_C_PROTOTYPES
1234
1235 dnl ** are we big endian?
1236 AC_C_BIGENDIAN
1237 # Allay users' general fear of warnings of any kind.
1238 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1239 )
1240 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1241 )
1242
1243 dnl ** check for leading underscores in symbol names
1244 FPTOOLS_UNDERSCORE
1245
1246 dnl ** check for ld, and whether ld has -x option
1247 AC_PATH_PROG(LdCmdRaw, ld)
1248 case $HostOS_CPP in
1249  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1250            ;;
1251  *) LdCmd=${LdCmdRaw}
1252     ;;
1253 esac
1254 AC_SUBST(LdCmd)
1255 FPTOOLS_LD_X
1256
1257 AC_MSG_CHECKING([for SIGPOLL])
1258 AC_EGREP_CPP(we_have_sigpoll,
1259 [#include <signal.h>
1260 #ifdef SIGPOLL
1261 we_have_sigpoll
1262 #endif
1263 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1264 AC_MSG_RESULT([$haveSIGPOLL])
1265
1266 AC_MSG_CHECKING(for _SC_GETGR_R_SIZE_MAX)
1267 AC_EGREP_CPP(we_have_that_sysconf_thing,
1268 [
1269 #include <unistd.h>
1270 #ifdef _SC_GETGR_R_SIZE_MAX
1271 we_have_that_sysconf_thing
1272 #endif
1273 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX), AC_MSG_RESULT(no))
1274
1275 AC_MSG_CHECKING(for _SC_GETPW_R_SIZE_MAX)
1276 AC_EGREP_CPP(we_have_that_sysconf_thing,
1277 [
1278 #include <unistd.h>
1279 #ifdef _SC_GETPW_R_SIZE_MAX
1280 we_have_that_sysconf_thing
1281 #endif
1282 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX), AC_MSG_RESULT(no))
1283
1284 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )