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