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 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 472 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 473 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 474 fi;
 475
 476 dnl ** Enable multi-thread friendly RTS?
 477 dnl --------------------------------------------------------------
 478 AC_ARG_ENABLE(threaded-rts,
 479 [  --enable-threaded-rts
 480         Support better interop with OS threads.
 481 ],
 482 [ThreadedRts=YES],
 483 [ThreadedRts=NO]
 484 )
 485 AC_SUBST(ThreadedRts)
 486
 487 dnl ** Enable the construction of Win32 DLLs?
 488 dnl --------------------------------------------------------------
 489 AC_ARG_ENABLE(win32-dlls,
 490 [  --enable-win32-dlls
 491         If on a Win32 platform running mingw32/cygwin, enable the
 492         construction of DLLs containing ghc-compiled code.
 493 ],
 494 [
 495 case $HostOS_CPP in
 496 cygwin32) ;;
 497 mingw32)  ;;
 498 *)    echo "Unrecognised win32 platform: $HostPlatform"
 499       exit 1
 500       ;;
 501 esac
 502 EnableWin32DLLs=YES
 503 ],
 504 [EnableWin32DLLs=NO]
 505 )
 506 AC_SUBST(EnableWin32DLLs)
 507 if test x"$EnableWin32DLLs" = "xYES" ; then
 508  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 509 fi
 510
 511 dnl ** Enable the building of the ObjectIO?
 512 dnl --------------------------------------------------------------
 513 AC_ARG_ENABLE(objectio,
 514 [  --enable-objectio
 515         Build ObjectIO, a portable GUI library for Haskell.
 516         (This option is only relevant when libraries are built.)
 517 ],
 518 [GhcLibsWithObjectIO=YES],
 519 [GhcLibsWithObjectIO=NO]
 520 )
 521 AC_SUBST(GhcLibsWithObjectIO)
 522
 523 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 524 dnl --------------------------------------------------------------
 525 AC_ARG_ENABLE(hopengl,
 526 [  --enable-hopengl
 527         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 528         (NOTE: Work in progress, currently only GLUT is supported!)
 529 ],
 530 [GhcLibsWithHOpenGL=YES],
 531 [GhcLibsWithHOpenGL=NO]
 532 )
 533 AC_SUBST(GhcLibsWithHOpenGL)
 534
 535 dnl ** Use a specific version of the GLUT API
 536 dnl --------------------------------------------------------------
 537 AC_ARG_WITH(glut-api,
 538 [  --with-glut-api=<version>
 539         Use a specific version of the GLUT API when building HOpenGL.
 540 ])
 541 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 542
 543
 544 dnl ** Use a specific version of the GLUT API
 545 dnl --------------------------------------------------------------
 546 AC_ARG_WITH(glut-xlib,
 547 [  --with-glut-xlib=<version>
 548         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 549 ])
 550 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 551
 552
 553
 554
 555 dnl --------------------------------------------------------------
 556 dnl End of configure script option section
 557 dnl --------------------------------------------------------------
 558
 559
 560 dnl --------------------------------------------------------------
 561 dnl * General configuration checks
 562 dnl --------------------------------------------------------------
 563
 564 dnl ** does #! work?
 565 AC_SYS_INTERPRETER()
 566
 567 dnl ** look for `perl', but only in /bin on Windows
 568 case $HostOS_CPP in
 569 cygwin32|mingw32)
 570       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 571       if test -z "$PerlCmd"; then
 572          echo "You must install the version of Perl shipped with GHC"
 573          echo "(or a compatible one) in /bin."
 574          exit 1
 575       fi
 576    ;;
 577 *)
 578    AC_PATH_PROG(PerlCmd,perl)
 579    if test -z "$PerlCmd"; then
 580       echo "You must install perl before you can continue"
 581       echo "Perhaps it is already installed, but not in your PATH?"
 582       exit 1
 583    else
 584    FPTOOLS_CHECK_PERL_VERSION
 585    fi
 586    ;;
 587 esac
 588
 589 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 590 FPTOOLS_SHEBANG_PERL
 591
 592 dnl ** check for Python
 593 AC_PATH_PROG(PythonCmd,python)
 594
 595 dnl ** look for GCC and find out which version
 596 dnl     Figure out which C compiler to use.  Gcc is preferred.
 597 dnl     If gcc, make sure it's at least 2.1
 598 dnl
 599 AC_PROG_CC
 600 FPTOOLS_HAVE_GCC
 601 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 602
 603 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 604 AC_PROG_CPP
 605
 606 dnl ** Without optimization some INLINE trickery fails for GHCi
 607 SRC_CC_OPTS="-O"
 608
 609 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 610 if test x"$TargetOS_CPP" = x"mingw32"; then
 611   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 612   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 613   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 614 fi
 615 AC_SUBST(SRC_CC_OPTS)
 616
 617 dnl ** figure out how to do context diffs
 618 FPTOOLS_PROG_DIFF
 619
 620 dnl ** Find find command (for Win32's benefit)
 621 FPTOOLS_FIND_FIND
 622
 623 dnl ** look for a decent parser generator (bison preferred)
 624 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 625 dnl  on the suitability of the 'yacc' returned.)
 626 FPTOOLS_PROG_YACCY
 627
 628 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 629 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 630 dnl    exists if 'flex' doesn't.
 631 AC_PROG_LEX_STRICT
 632
 633 dnl ** figure out how to do a BSD-ish install
 634 AC_PROG_INSTALL
 635
 636 dnl If you can run configure, you certainly have /bin/sh
 637 AC_DEFINE(HAVE_BIN_SH)
 638
 639 dnl ** how to invoke `ar' and `ranlib'
 640 FPTOOLS_PROG_AR_AND_RANLIB
 641
 642 dnl ** Check to see whether ln -s works
 643 AC_PROG_LN_S
 644
 645
 646 dnl ** Find the path to sed
 647 AC_PATH_PROG(SedCmd,sed)
 648
 649
 650 dnl ** check for time command
 651 AC_PATH_PROG(TimeCmd,time)
 652
 653 dnl ** check for tar
 654 dnl   if GNU tar is named gtar, look for it first.
 655 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 656
 657 dnl ** check for gzip/compress
 658 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 659
 660 dnl ** check for jade/openjade & determine a working catalog
 661 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 662 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 663                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 664 if test -z "$Catalog"; then
 665   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 666 fi
 667 case $Catalog in
 668    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 669         Catalog=
 670         ;;
 671    glafp*)
 672         case $HostOS_CPP in
 673            mingw32)
 674               Catalog=`cygpath -w $hardtop/$Catalog`
 675               ;;
 676            *) Catalog=$hardtop/$Catalog
 677               ;;
 678         esac
 679    ;;
 680 esac
 681 AC_SUBST(Catalog)
 682
 683 compress_nm=`basename $CompressCmd`
 684 if test x"$compress_nm" = xgzip; then
 685   CompressCmd="$CompressCmd -d"
 686   CompressSuffix="gz"
 687 else
 688   CompressSuffix="Z"
 689 fi
 690 AC_SUBST(CompressCmd)
 691 AC_SUBST(CompressSuffix)
 692
 693 AC_ARG_ENABLE(src-tree-happy,
 694 [  --enable-src-tree-happy
 695         Build and use source tree (fptools/happy) version of happy.
 696 ],
 697 [UseSrcTreeHappy=YES],
 698 [UseSrcTreeHappy=NO]
 699 )
 700 dnl ** check for installed happy binary + version
 701 dnl    (don't do it if we're booting from .hc files though.)
 702 if test "$BootingFromHc" = "NO"; then
 703 FPTOOLS_HAPPY
 704 fi;
 705
 706 AC_ARG_ENABLE(src-tree-haddock,
 707 [  --enable-src-tree-haddock
 708         Build and use source tree (fptools/haddock) version of haddock.
 709 ],
 710 [UseSrcTreeHaddock=YES],
 711 [UseSrcTreeHaddock=NO]
 712 )
 713 dnl ** check for installed haddock
 714 FPTOOLS_HADDOCK
 715
 716 dnl --------------------------------------------------
 717 dnl ### program checking section ends here ###
 718 dnl --------------------------------------------------
 719
 720 dnl --------------------------------------------------
 721 dnl * Platform header file and syscall feature tests
 722 dnl ### checking the state of the local header files and syscalls ###
 723
 724 dnl ** check for full ANSI header (.h) files
 725 AC_HEADER_STDC
 726
 727 dnl ** check for specific header (.h) files that we are interested in
 728 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)
 729 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 730
 731 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 732 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 733
 734 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 735   HaveReadlineHeaders=YES
 736   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 737 else
 738   HaveReadlineHeaders=NO
 739   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 740 fi
 741 AC_SUBST(HaveReadlineHeaders)
 742
 743 dnl ** check for DOS include files
 744 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 745
 746 dnl ** check for Windows include files
 747 AC_CHECK_HEADERS(windows.h)
 748
 749 dnl ** check for OpenGL include files
 750 AC_CHECK_HEADERS(GL/gl.h)
 751
 752 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 753 AC_HEADER_TIME
 754
 755 dnl dynamic loading include files
 756 AC_CHECK_HEADERS(dlfcn.h dl.h)
 757
 758 dnl ** check for farcalloc (in bcc)
 759 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 760
 761 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 762 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 763
 764 dnl ** check for POSIX regex
 765 HavePosixRegex=NO
 766 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 767 AC_SUBST(HavePosixRegex)
 768
 769 dnl ** how do we get a timezone name, and UTC offset ?
 770 AC_STRUCT_TIMEZONE
 771
 772 dnl ** what's the type of timezone?
 773 FPTOOLS_HAVE_TIMEZONE
 774 FPTOOLS_TYPE_TIMEZONE
 775
 776 dnl ** do we have altzone?
 777 FPTOOLS_ALTZONE
 778
 779 dnl ** does struct stat contain st_blksize?
 780 AC_STRUCT_ST_BLKSIZE
 781
 782 dnl ** do we have long longs?
 783 FPTOOLS_C_LONG_LONG
 784
 785 dnl ** check what fields struct msghdr contains
 786 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 787 FPTOOLS_MSGHDR_MSG_CONTROL
 788
 789 dnl ** what are the sizes of various types
 790 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 791 AC_CHECK_SIZEOF(char,               1)
 792 AC_CHECK_SIZEOF(double,             8)
 793 AC_CHECK_SIZEOF(float,              4)
 794 AC_CHECK_SIZEOF(int,                4)
 795 AC_CHECK_SIZEOF(long,               4)
 796 if test "$fptools_cv_have_long_long" = yes; then
 797 AC_CHECK_SIZEOF(long long,          8)
 798 fi
 799 AC_CHECK_SIZEOF(short,              2)
 800 AC_CHECK_SIZEOF(unsigned char,      1)
 801 AC_CHECK_SIZEOF(unsigned int,       4)
 802 AC_CHECK_SIZEOF(unsigned long,      4)
 803 if test "$fptools_cv_have_long_long" = yes; then
 804 AC_CHECK_SIZEOF(unsigned long long, 8)
 805 fi
 806 AC_CHECK_SIZEOF(unsigned short,     2)
 807 AC_CHECK_SIZEOF(void *,             4)
 808
 809 dnl ** what are alignment constraints on various types
 810 FPTOOLS_CHECK_ALIGNMENT(char)
 811 FPTOOLS_CHECK_ALIGNMENT(double)
 812 FPTOOLS_CHECK_ALIGNMENT(float)
 813 FPTOOLS_CHECK_ALIGNMENT(int)
 814 FPTOOLS_CHECK_ALIGNMENT(long)
 815 if test "$fptools_cv_have_long_long" = yes; then
 816 FPTOOLS_CHECK_ALIGNMENT(long long)
 817 fi
 818 FPTOOLS_CHECK_ALIGNMENT(short)
 819 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 820 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 821 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 822 if test "$fptools_cv_have_long_long" = yes; then
 823 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 824 fi
 825 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 826 FPTOOLS_CHECK_ALIGNMENT(void *)
 827
 828 dnl ** map standard C types and ISO types to Haskell types
 829 FPTOOLS_CHECK_HTYPE(char)
 830 FPTOOLS_CHECK_HTYPE(signed char)
 831 FPTOOLS_CHECK_HTYPE(unsigned char)
 832 FPTOOLS_CHECK_HTYPE(short)
 833 FPTOOLS_CHECK_HTYPE(unsigned short)
 834 FPTOOLS_CHECK_HTYPE(int)
 835 FPTOOLS_CHECK_HTYPE(unsigned int)
 836 FPTOOLS_CHECK_HTYPE(long)
 837 FPTOOLS_CHECK_HTYPE(unsigned long)
 838 if test "$fptools_cv_have_long_long" = yes; then
 839 FPTOOLS_CHECK_HTYPE(long long)
 840 FPTOOLS_CHECK_HTYPE(unsigned long long)
 841 fi
 842 FPTOOLS_CHECK_HTYPE(float)
 843 FPTOOLS_CHECK_HTYPE(double)
 844 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 845 FPTOOLS_CHECK_HTYPE(size_t)
 846 FPTOOLS_CHECK_HTYPE(wchar_t)
 847 dnl Int32 is a HACK for non-ISO C compilers
 848 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 849 FPTOOLS_CHECK_HTYPE(clock_t)
 850 FPTOOLS_CHECK_HTYPE(time_t)
 851 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 852 FPTOOLS_CHECK_HTYPE(ino_t)
 853 FPTOOLS_CHECK_HTYPE(mode_t)
 854 FPTOOLS_CHECK_HTYPE(off_t)
 855 FPTOOLS_CHECK_HTYPE(pid_t)
 856 FPTOOLS_CHECK_HTYPE(gid_t)
 857 FPTOOLS_CHECK_HTYPE(uid_t)
 858 FPTOOLS_CHECK_HTYPE(cc_t)
 859 FPTOOLS_CHECK_HTYPE(speed_t)
 860 FPTOOLS_CHECK_HTYPE(tcflag_t)
 861 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 862 FPTOOLS_CHECK_HTYPE(nlink_t)
 863 FPTOOLS_CHECK_HTYPE(ssize_t)
 864
 865 dnl ** Map OpenGL data types to Haskell types
 866 if test $GhcLibsWithHOpenGL = YES ; then
 867 FPTOOLS_CHECK_HTYPE(GLboolean)
 868 FPTOOLS_CHECK_HTYPE(GLbyte)
 869 FPTOOLS_CHECK_HTYPE(GLubyte)
 870 FPTOOLS_CHECK_HTYPE(GLshort)
 871 FPTOOLS_CHECK_HTYPE(GLushort)
 872 FPTOOLS_CHECK_HTYPE(GLint)
 873 FPTOOLS_CHECK_HTYPE(GLuint)
 874 FPTOOLS_CHECK_HTYPE(GLsizei)
 875 FPTOOLS_CHECK_HTYPE(GLenum)
 876 FPTOOLS_CHECK_HTYPE(GLbitfield)
 877 FPTOOLS_CHECK_HTYPE(GLfloat)
 878 FPTOOLS_CHECK_HTYPE(GLclampf)
 879 FPTOOLS_CHECK_HTYPE(GLdouble)
 880 FPTOOLS_CHECK_HTYPE(GLclampd)
 881 fi
 882
 883 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 884
 885 dnl ** can we open files in binary mode?
 886 FPTOOLS_O_BINARY
 887
 888 dnl ** check for GetModuleFileName and WinExec (windows only)
 889 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 890 dnl Doesn't work because the linker can't see the functions if
 891 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 892
 893 FPTOOLS_TRY_LINK_NOWARN(,[
 894 #if HAVE_WINDOWS_H
 895 #include <windows.h>
 896 #endif
 897 main() {
 898   WinExec("",0);
 899   exit(0);
 900 }
 901 ],
 902 [have_winexec=1],
 903 [have_winexec=0])
 904 if test "$have_winexec" = "1"; then
 905 AC_DEFINE(HAVE_WINEXEC)
 906 fi
 907
 908 FPTOOLS_TRY_LINK_NOWARN(,[
 909 #if HAVE_WINDOWS_H
 910 #include <windows.h>
 911 #endif
 912 main() {
 913   char* dir;
 914   GetModuleFileName((HMODULE)0,dir,0);
 915   exit(0);
 916 }
 917 ],
 918 [have_getmodulefilename=1],
 919 [have_getmodulefilename=0])
 920 if test "$have_getmodulefilename" = "1"; then
 921 AC_DEFINE(HAVE_GETMODULEFILENAME)
 922 fi
 923
 924 dnl ** check return type of signal handlers
 925 dnl Foo: assumes we can use prototypes.
 926 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 927 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 928 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 929 dnl #include <signal.h>
 930 dnl #ifdef signal
 931 dnl #undef signal
 932 dnl #endif
 933 dnl void (*signal (int, void (*)(int)))(int);
 934 dnl ],
 935 dnl [int i;],
 936 dnl ac_cv_type_signal_handler=void_int,
 937 dnl ac_cv_type_signal_handler=int_void)])
 938 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 939 dnl AC_DEFINE(VOID_INT_SIGNALS)
 940 dnl fi
 941
 942 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 943 AC_TYPE_SIGNAL
 944 if test "$ac_cv_type_signal" = void; then
 945 AC_DEFINE(VOID_INT_SIGNALS)
 946 fi
 947
 948 dnl ** check for more functions
 949 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 950 AC_CHECK_FUNCS(strcmp)
 951 AC_CHECK_FUNCS(realpath _fullpath)
 952 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 953 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 954 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 955 AC_CHECK_FUNCS(snprintf  _snprintf )
 956 AC_CHECK_FUNCS(popen     _popen )
 957 AC_CHECK_FUNCS(pclose    _pclose )
 958
 959
 960 dnl ** check for specific library functions that we are interested in
 961 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)
 962
 963 dnl ** check whether this machine has gmp3 installed
 964 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 965   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 966     HaveLibGmp=NO; LibGmp=not-installed))
 967 AC_SUBST(HaveLibGmp)
 968 AC_SUBST(LibGmp)
 969
 970 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 971 HaveFrameworkHaskellSupport=NO
 972 if test $HostPlatform = "powerpc-apple-darwin"; then
 973  AC_MSG_CHECKING([for HaskellSupport.framework])
 974  save_libs="$LIBS"
 975  LIBS="-framework HaskellSupport"
 976  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
 977  if test $HaveFrameworkHaskellSupport = YES; then
 978   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
 979  fi;
 980  LIBS="$save_libs"
 981  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
 982 fi;
 983 AC_SUBST(HaveFrameworkHaskellSupport)
 984
 985 dnl ** check for mingwex library
 986 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
 987 AC_SUBST(HaveLibMingwEx)
 988
 989 if test $HaveLibMingwEx = YES ; then
 990   AC_DEFINE(HAVE_MINGWEX)
 991 fi
 992
 993 if test "$HaveLibGmp" = "NO"; then
 994 if test "$HostArch_CPP" = "ia64"; then
 995 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
 996 fi;
 997 fi;
 998
 999 dnl ** check whether this machine has GNU regex in libc.
1000 FPTOOLS_REGEX_IN_LIBC
1001
1002 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1003 dnl    the order of these tests matters: bfd needs liberty
1004 AC_CHECK_LIB(iberty, xmalloc)
1005 AC_CHECK_LIB(bfd,    bfd_init)
1006
1007 dnl ** check for readline, for Hugs and hslibs' Readline
1008 dnl ncurses supersedes termcap and curses, but for compatibility,
1009 dnl we have to check for all...
1010 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1011   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1012     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1013       HaveLibTermcap=NO; LibTermcap=not-installed)))
1014
1015 if test $HaveLibTermcap = YES ; then
1016   LIBS="-l$LibTermcap $LIBS"
1017   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1018 fi
1019
1020 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1021   AC_DEFINE(HAVE_READLINE_LIBS,1)
1022   LibsReadline="readline $LibTermcap"
1023 else
1024   AC_DEFINE(HAVE_READLINE_LIBS,0)
1025   LibsReadline=
1026 fi
1027 AC_SUBST(LibsReadline)
1028
1029 if test "$HaveLibReadline"; then
1030   AC_CHECK_LIB(readline, rl_erase_empty_line,
1031     [AC_DEFINE(HAVE_READLINE_4, 1)],
1032     [AC_DEFINE(HAVE_READLINE_4, 0)])
1033   AC_CHECK_LIB(readline, rl_free_undo_list,
1034     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1035     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1036 else
1037   AC_DEFINE(HAVE_READLINE_4, 0)
1038   AC_DEFINE(HAVE_READLINE_4_2, 0)
1039 fi
1040
1041 dnl ** check for math library
1042 FPTOOLS_CHECK_LIBM()
1043 AC_SUBST(LIBM)
1044
1045 case $HostOS_CPP in
1046 cygwin32) ;;
1047 mingw32)  ;;
1048 *) AC_PATH_XTRA() ;;
1049 esac
1050
1051 FPTOOLS_HAVE_OPENGL
1052
1053 dnl ################################################################
1054 dnl Check for libraries
1055 dnl ################################################################
1056
1057 dnl ** check for libdl & RTLD_NEXT
1058
1059 dnl (Mac OS X only) ... but don't check if we already have the
1060 dnl HaskellSupport.framework
1061
1062 if test $HaveFrameworkHaskellSupport = YES; then
1063     HaveLibDL = NO
1064     HaveRtldNext=NO
1065     HaveRtldLocal=YES
1066     AC_DEFINE(HAVE_RTLDLOCAL)
1067     HaveRtldGlobal=YES
1068     AC_DEFINE(HAVE_RTLDGLOBAL)
1069     HaveRtldNow=YES
1070     AC_DEFINE(HAVE_RTLDNOW)
1071     AC_SUBST(HaveLibDL)
1072     AC_SUBST(HaveRtldNext)
1073     AC_SUBST(HaveRtldLocal)
1074     AC_SUBST(HaveRtldGlobal)
1075     AC_SUBST(HaveRtldNow)
1076 else
1077     AC_CHECK_LIB(dl, dlopen,
1078         [HaveLibDL=YES
1079          AC_DEFINE(HAVE_LIBDL)
1080          LIBS="$LIBS -ldl"],
1081         [HaveLibDL=NO])
1082     AC_CHECK_FUNCS(dlopen)
1083     AC_SUBST(HaveLibDL)
1084
1085     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1086     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1087     AC_EGREP_CPP(yes,
1088     [
1089      #include <dlfcn.h>
1090      #ifdef RTLD_NEXT
1091             yes
1092      #endif
1093     ], [
1094       AC_MSG_RESULT(yes)
1095       AC_DEFINE(HAVE_RTLDNEXT)
1096       HaveRtldNext=YES
1097     ], [
1098       AC_MSG_RESULT(no)
1099       HaveRtldNext=NO
1100       ])
1101     AC_SUBST(HaveRtldNext)
1102
1103     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1104     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1105     AC_EGREP_CPP(yes,
1106     [
1107      #include <dlfcn.h>
1108      #ifdef RTLD_LOCAL
1109             yes
1110      #endif
1111     ], [
1112       AC_MSG_RESULT(yes)
1113       AC_DEFINE(HAVE_RTLDLOCAL)
1114       HaveRtldLocal=YES
1115     ], [
1116       AC_MSG_RESULT(no)
1117       HaveRtldLocal=NO
1118       ])
1119     AC_SUBST(HaveRtldLocal)
1120
1121     dnl ** RTLD_GLOBAL isn't available on openbsd
1122     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1123     AC_EGREP_CPP(yes,
1124     [
1125      #include <dlfcn.h>
1126      #ifdef RTLD_GLOBAL
1127             yes
1128      #endif
1129     ], [
1130       AC_MSG_RESULT(yes)
1131       AC_DEFINE(HAVE_RTLDGLOBAL)
1132       HaveRtldGlobal=YES
1133     ], [
1134       AC_MSG_RESULT(no)
1135       HaveRtldGlobal=NO
1136       ])
1137     AC_SUBST(HaveRtldGlobal)
1138
1139     dnl ** RTLD_NOW isn't available on openbsd
1140     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1141     AC_EGREP_CPP(yes,
1142     [
1143      #include <dlfcn.h>
1144      #ifdef RTLD_NOW
1145             yes
1146      #endif
1147     ], [
1148       AC_MSG_RESULT(yes)
1149       AC_DEFINE(HAVE_RTLDNOW)
1150       HaveRtldNow=YES
1151     ], [
1152       AC_MSG_RESULT(no)
1153       HaveRtldNow=NO
1154       ])
1155     AC_SUBST(HaveRtldNow)
1156 fi
1157
1158 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1159
1160 dnl ---------- usleep ----------
1161 dnl --- stolen from guile configure ---
1162 dnl --- FIXME: /usr/include/unistd.h can't be right?
1163
1164 ### On some systems usleep has no return value.  If it does have one,
1165 ### we'd like to return it; otherwise, we'll fake it.
1166 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1167   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1168                    /usr/include/unistd.h,
1169                    [cv_func_usleep_return_type=void],
1170                    [cv_func_usleep_return_type=int])])
1171 case "$cv_func_usleep_return_type" in
1172   "void" )
1173     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1174       [Define if the system headers declare usleep to return void.])
1175   ;;
1176 esac
1177
1178 dnl --------------------------------------------------
1179 dnl * test for in_addr_t
1180 dnl --------------------------------------------------
1181 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1182 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1183  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1184  AC_MSG_RESULT(no))
1185
1186 dnl --------------------------------------------------
1187 dnl * test for Linux sendfile(2)
1188 dnl --------------------------------------------------
1189 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1190 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1191  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1192  AC_MSG_RESULT(no))
1193
1194 dnl --------------------------------------------------
1195 dnl * test for BSD sendfile(2)
1196 dnl --------------------------------------------------
1197 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1198 AC_EGREP_HEADER(sendfile, sys/socket.h,
1199  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1200  AC_MSG_RESULT(no))
1201
1202 dnl --------------------------------------------------
1203 dnl * test for GTK+
1204 dnl --------------------------------------------------
1205
1206 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1207 if test "$GTK_CONFIG" != ""; then
1208    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1209         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1210     ])
1211     GTK_VERSION=$fptools_cv_gtk_version
1212 else
1213     GTK_VERSION=
1214 fi
1215
1216 case $fptools_cv_gtk_version in
1217   1.[[23]].*) ;;
1218   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1219      GTK_CONFIG=
1220      ;;
1221 esac
1222
1223 AC_SUBST(GTK_CONFIG)
1224 AC_SUBST(GTK_VERSION)
1225
1226 dnl --------------------------------------------------
1227 dnl * Miscellaneous feature tests
1228 dnl --------------------------------------------------
1229
1230 dnl ** can we get alloca?
1231 AC_FUNC_ALLOCA
1232
1233 dnl ** determine whether or not const works
1234 AC_C_CONST
1235
1236 dnl ** determine whether ANSI-function prototypes work?
1237 AC_C_PROTOTYPES
1238
1239 dnl ** are we big endian?
1240 AC_C_BIGENDIAN
1241 # Allay users' general fear of warnings of any kind.
1242 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1243 )
1244 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1245 )
1246
1247 dnl ** check for leading underscores in symbol names
1248 FPTOOLS_UNDERSCORE
1249
1250 dnl ** check for ld, and whether ld has -x option
1251 AC_PATH_PROG(LdCmdRaw, ld)
1252 case $HostOS_CPP in
1253  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1254            ;;
1255  *) LdCmd=${LdCmdRaw}
1256     ;;
1257 esac
1258 AC_SUBST(LdCmd)
1259 FPTOOLS_LD_X
1260
1261 AC_MSG_CHECKING([for SIGPOLL])
1262 AC_EGREP_CPP(we_have_sigpoll,
1263 [#include <signal.h>
1264 #ifdef SIGPOLL
1265 we_have_sigpoll
1266 #endif
1267 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1268 AC_MSG_RESULT([$haveSIGPOLL])
1269
1270 AC_MSG_CHECKING(for _SC_GETGR_R_SIZE_MAX)
1271 AC_EGREP_CPP(we_have_that_sysconf_thing,
1272 [
1273 #include <unistd.h>
1274 #ifdef _SC_GETGR_R_SIZE_MAX
1275 we_have_that_sysconf_thing
1276 #endif
1277 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX), AC_MSG_RESULT(no))
1278
1279 AC_MSG_CHECKING(for _SC_GETPW_R_SIZE_MAX)
1280 AC_EGREP_CPP(we_have_that_sysconf_thing,
1281 [
1282 #include <unistd.h>
1283 #ifdef _SC_GETPW_R_SIZE_MAX
1284 we_have_that_sysconf_thing
1285 #endif
1286 ], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX), AC_MSG_RESULT(no))
1287
1288 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )