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 m68k-next-nextstep2)
 207         HostPlatform_CPP='m68k_next_nextstep2'
 208         HostArch_CPP='m68k'
 209         HostVendor_CPP='next'
 210         HostOS_CPP='nextstep2'
 211         ;;
 212 m68k-next-nextstep3)
 213         HostPlatform_CPP='m68k_next_nextstep3'
 214         HostArch_CPP='m68k'
 215         HostVendor_CPP='next'
 216         HostOS_CPP='nextstep3'
 217         ;;
 218 i[[3456]]86-next-nextstep3)
 219         HostPlatform=i386-next-nextstep3 # hack again
 220         TargetPlatform=i386-next-nextstep3
 221         BuildPlatform=i386-next-nextstep3
 222         HostPlatform_CPP='i386_next_nextstep3'
 223         HostArch_CPP='i386'
 224         HostVendor_CPP='next'
 225         HostOS_CPP='nextstep3'
 226         ;;
 227 m68k-sun-sunos4*)
 228         HostPlatform=m68k-sun-sunos4
 229         TargetPlatform=m68k-sun-sunos4 #hack
 230         BuildPlatform=m68k-sun-sunos4 #hack
 231         HostPlatform_CPP='m68k_sun_sunos4'
 232         HostArch_CPP='m68k'
 233         HostVendor_CPP='sun'
 234         HostOS_CPP='sunos4'
 235         ;;
 236 mips-dec-ultrix*)
 237         HostPlatform_CPP='mips_dec_ultrix'
 238         HostArch_CPP='mipsel'   # NB a little different
 239         HostVendor_CPP='dec'
 240         HostOS_CPP='ultrix'
 241         ;;
 242 mips-sgi-irix*)
 243         HostPlatform=mips-sgi-irix
 244         TargetPlatform=mips-sgi-irix #hack
 245         BuildPlatform=mips-sgi-irix #hack
 246         HostPlatform_CPP='mips_sgi_irix'
 247         HostArch_CPP='mipseb'   # NB a little different
 248         HostVendor_CPP='sgi'
 249         HostOS_CPP='irix'
 250         ;;
 251 rs6000-ibm-aix*)
 252         HostPlatform=rs6000-ibm-aix
 253         TargetPlatform=rs6000-ibm-aix #hack
 254         BuildPlatform=rs6000-ibm-aix #hack
 255         HostPlatform_CPP='rs6000_ibm_aix'
 256         HostArch_CPP='rs6000'
 257         HostVendor_CPP='ibm'
 258         HostOS_CPP='aix'
 259         ;;
 260 powerpc-ibm-aix*)
 261         HostPlatform=powerpc-ibm-aix
 262         TargetPlatform=powerpc-ibm-aix #hack
 263         BuildPlatform=powerpc-ibm-aix #hack
 264         HostPlatform_CPP='powerpc_ibm_aix'
 265         HostArch_CPP='powerpc'
 266         HostVendor_CPP='ibm'
 267         HostOS_CPP='aix'
 268         ;;
 269 powerpc-apple-darwin*)
 270         HostPlatform=powerpc-apple-darwin
 271         TargetPlatform=powerpc-apple-darwin #hack
 272         BuildPlatform=powerpc-apple-darwin #hack
 273         HostPlatform_CPP='powerpc_apple_darwin'
 274         HostArch_CPP='powerpc'
 275         HostVendor_CPP='apple'
 276         HostOS_CPP='darwin'
 277         ;;
 278 sparc-sun-sunos4*)
 279         HostPlatform=sparc-sun-sunos4
 280         TargetPlatform=sparc-sun-sunos4 #hack
 281         BuildPlatform=sparc-sun-sunos4 #hack
 282         HostPlatform_CPP='sparc_sun_sunos4'
 283         HostArch_CPP='sparc'
 284         HostVendor_CPP='sun'
 285         HostOS_CPP='sunos4'
 286         ;;
 287 sparc-sun-solaris2*)
 288         HostPlatform=sparc-sun-solaris2
 289         TargetPlatform=sparc-sun-solaris2 #hack
 290         BuildPlatform=sparc-sun-solaris2 #hack
 291         HostPlatform_CPP='sparc_sun_solaris2'
 292         HostArch_CPP='sparc'
 293         HostVendor_CPP='sun'
 294         HostOS_CPP='solaris2'
 295         ;;
 296 *)
 297         echo "Unrecognised platform: $HostPlatform"
 298         exit 1
 299         ;;
 300 esac
 301 echo "Canonicalised to: $HostPlatform"
 302 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 303 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 304
 305 BuildPlatform_CPP=$HostPlatform_CPP
 306 TargetPlatform_CPP=$HostPlatform_CPP
 307 BuildArch_CPP=$HostArch_CPP
 308 TargetArch_CPP=$HostArch_CPP
 309 BuildOS_CPP=$HostOS_CPP
 310 HostOS_Full=$host_os
 311 TargetOS_CPP=$HostOS_CPP
 312 BuildVendor_CPP=$HostVendor_CPP
 313 TargetVendor_CPP=$HostVendor_CPP
 314
 315 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 316 dnl AC_SUBST(BuildPlatform)
 317
 318 AC_SUBST(HostPlatform)
 319 AC_SUBST(TargetPlatform)
 320 AC_SUBST(HostPlatform_CPP)
 321 dnl AC_SUBST(BuildPlatform_CPP)
 322 dnl AC_SUBST(TargetPlatform_CPP)
 323
 324 AC_SUBST(HostArch_CPP)
 325 dnl AC_SUBST(BuildArch_CPP)
 326 dnl AC_SUBST(TargetArch_CPP)
 327
 328 AC_SUBST(HostOS_CPP)
 329 AC_SUBST(HostOS_Full)
 330 dnl AC_SUBST(BuildOS_CPP)
 331 dnl AC_SUBST(TargetOS_CPP)
 332
 333 AC_SUBST(HostVendor_CPP)
 334 dnl AC_SUBST(BuildVendor_CPP)
 335 dnl AC_SUBST(TargetVendor_CPP)
 336
 337 AC_SUBST(exeext)
 338
 339 #
 340 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
 341 # (but with b-slashes being escaped).
 342 case $HostPlatform in
 343   i386-unknown-mingw32 | i386-unknown-cygwin32)
 344         # get rid off /cygdrive/ prefix
 345         hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
 346         hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
 347         ;;
 348   *)
 349         hardtop_plat=${hardtop}
 350         ;;
 351 esac
 352 AC_SUBST(hardtop)
 353 AC_SUBST(hardtop_plat)
 354
 355 dnl --------------------------------------------------------------
 356 dnl * Project specific configuration options
 357 dnl --------------------------------------------------------------
 358 dnl What follows is a bunch of options that can either be configured
 359 dnl through command line options to the configure script or by
 360 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 361 dnl use either is considered a Feature.
 362
 363 dnl ** What command to use to compile compiler sources ?
 364 dnl --------------------------------------------------------------
 365
 366 AC_ARG_WITH(ghc,
 367 [  --with-ghc=<haskell compiler>
 368         Use a command different from 'ghc' to compile GHC-specific Haskell code
 369             (including GHC itself).
 370 ],
 371 [ WithGhc="$withval" ],
 372 [
 373   if test "$GHC" = ""; then
 374     AC_PATH_PROG(GHC,ghc)
 375   fi
 376   WithGhc=$GHC
 377 ]
 378 )
 379 AC_SUBST(WithGhc)
 380
 381 AC_ARG_WITH(hc,
 382 [  --with-hc=<haskell compiler>
 383         Use a command different from 'ghc' to compile generic Haskell code.
 384 ],
 385 [WithHc="$withval"],
 386 [WithHc=$WithGhc]
 387 )
 388 AC_SUBST(WithHc)
 389
 390 if test "$WithGhc" != ""; then
 391   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 392   AC_SUBST(GhcVersion)dnl
 393   AC_SUBST(GhcMajVersion)dnl
 394   AC_SUBST(GhcMinVersion)dnl
 395   AC_SUBST(GhcPatchLevel)dnl
 396 fi
 397
 398 AC_PATH_PROGS(NHC,nhc nhc98)
 399 AC_PATH_PROG(HBC,hbc)
 400
 401 dnl ** Which gcc to use?
 402 dnl --------------------------------------------------------------
 403 AC_ARG_WITH(gcc,
 404 [  --with-gcc=<gcc command>
 405         Use a different command instead of 'gcc' for the GNU C compiler.
 406 ],
 407 [WhatGccIsCalled="$withval"
 408  CC="$withval"],
 409 [WhatGccIsCalled="gcc"]
 410 )
 411 AC_SUBST(WhatGccIsCalled)
 412
 413 dnl ** Booting from .hc files?
 414 dnl --------------------------------------------------------------
 415 AC_ARG_ENABLE(hc-boot,
 416 [  --enable-hc-boot
 417         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 418         (This option is mostly of interest to porters.)
 419 ],
 420 [BootingFromHc=YES],
 421 [BootingFromHc=NO]
 422 )
 423 AC_SUBST(BootingFromHc)
 424
 425 dnl ** Booting from unregisterised .hc files?
 426 dnl --------------------------------------------------------------
 427 AC_ARG_ENABLE(hc-boot-unregisterised,
 428 [  --enable-hc-boot-unregisterised
 429         With --enable-hc-boot, treat the intermediate .hc files as
 430         unregisterised rather than registerised code.
 431         (This option is mostly of interest to porters.)
 432 ],
 433 [BootingFromUnregisterisedHc=YES],
 434 [BootingFromUnregisterisedHc=NO]
 435 )
 436 AC_SUBST(BootingFromUnregisterisedHc)
 437
 438 if test "$BootingFromHc" = "NO"; then
 439 if test "$BootingFromUnregisterisedHc" = "YES"; then
 440 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 441 fi;
 442 fi;
 443
 444
 445 dnl ** Enable the construction of Win32 DLLs?
 446 dnl --------------------------------------------------------------
 447 AC_ARG_ENABLE(win32-dlls,
 448 [  --enable-win32-dlls
 449         If on a Win32 platform running mingw32/cygwin, enable the
 450         construction of DLLs containing ghc-compiled code.
 451 ],
 452 [
 453 case $HostOS_CPP in
 454 cygwin32) ;;
 455 mingw32)  ;;
 456 *)    echo "Unrecognised win32 platform: $HostPlatform"
 457       exit 1
 458       ;;
 459 esac
 460 EnableWin32DLLs=YES
 461 ],
 462 [EnableWin32DLLs=NO]
 463 )
 464 AC_SUBST(EnableWin32DLLs)
 465 if test x"$EnableWin32DLLs" = "xYES" ; then
 466  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 467 fi
 468
 469 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 470 dnl --------------------------------------------------------------
 471 AC_ARG_ENABLE(hopengl,
 472 [  --enable-hopengl
 473         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 474         (This option is only relevant when hslibs are built.)
 475 ],
 476 [GhcLibsWithHOpenGL=YES],
 477 [GhcLibsWithHOpenGL=NO]
 478 )
 479 AC_SUBST(GhcLibsWithHOpenGL)
 480
 481 dnl ** Use a specific version of the GLUT API
 482 dnl --------------------------------------------------------------
 483 AC_ARG_WITH(glut-api,
 484 [  --with-glut-api=<version>
 485         Use a specific version of the GLUT API when building HOpenGL.
 486 ])
 487 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 488
 489
 490 dnl ** Use a specific version of the GLUT API
 491 dnl --------------------------------------------------------------
 492 AC_ARG_WITH(glut-xlib,
 493 [  --with-glut-xlib=<version>
 494         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 495 ])
 496 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 497
 498
 499
 500
 501 dnl --------------------------------------------------------------
 502 dnl End of configure script option section
 503 dnl --------------------------------------------------------------
 504
 505
 506 dnl --------------------------------------------------------------
 507 dnl * General configuration checks
 508 dnl --------------------------------------------------------------
 509
 510 dnl ** does #! work?
 511 AC_SYS_INTERPRETER()
 512
 513 dnl ** look for `perl', but only in /bin on Windows
 514 case $HostOS_CPP in
 515 cygwin32|mingw32)
 516       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 517       if test -z "$PerlCmd"; then
 518          echo "You must install the version of Perl shipped with GHC"
 519          echo "(or a compatible one) in /bin."
 520          exit 1
 521       fi
 522    ;;
 523 *)
 524    AC_PATH_PROG(PerlCmd,perl)
 525    if test -z "$PerlCmd"; then
 526       echo "You must install perl before you can continue"
 527       echo "Perhaps it is already installed, but not in your PATH?"
 528       exit 1
 529    else
 530    FPTOOLS_CHECK_PERL_VERSION
 531    fi
 532    ;;
 533 esac
 534
 535 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 536 FPTOOLS_SHEBANG_PERL
 537
 538 dnl ** look for GCC and find out which version
 539 dnl     Figure out which C compiler to use.  Gcc is preferred.
 540 dnl     If gcc, make sure it's at least 2.1
 541 dnl
 542 AC_PROG_CC
 543 FPTOOLS_HAVE_GCC
 544
 545 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 546 AC_PROG_CPP
 547
 548 dnl ** does the C compiler support the following options?
 549 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
 550 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 551
 552 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
 553 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
 554 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
 555 AC_SUBST(SRC_CC_OPTS)
 556
 557 dnl ** figure out how to do context diffs
 558 FPTOOLS_PROG_DIFF
 559
 560 dnl ** Find find command (for Win32's benefit)
 561 FPTOOLS_FIND_FIND
 562
 563 dnl ** look for a decent parser generator (bison preferred)
 564 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 565 dnl  on the suitability of the 'yacc' returned.)
 566 FPTOOLS_PROG_YACCY
 567
 568 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 569 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 570 dnl    exists if 'flex' doesn't.
 571 AC_PROG_LEX_STRICT
 572
 573 dnl ** figure out how to do a BSD-ish install
 574 AC_PROG_INSTALL
 575
 576 dnl If you can run configure, you certainly have /bin/sh
 577 AC_DEFINE(HAVE_BIN_SH)
 578
 579 dnl ** how to invoke `ar' and `ranlib'
 580 FPTOOLS_PROG_AR_AND_RANLIB
 581
 582
 583 dnl ** Check to see whether ln -s works
 584 AC_PROG_LN_S
 585
 586
 587 dnl ** Find the path to sed
 588 AC_PATH_PROG(SedCmd,sed)
 589
 590
 591 dnl ** check for time command
 592 AC_PATH_PROG(TimeCmd,time)
 593
 594
 595 dnl ** check for tar
 596 dnl   if GNU tar is named gtar, look for it first.
 597 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 598
 599 dnl ** check for gzip/compress
 600 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 601
 602 dnl ** check for jade/openjade & determine a working catalog
 603 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 604 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 605                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
 606 if test -z "$Catalog"; then
 607   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 608 fi
 609 case $Catalog in
 610    glafp*)
 611         case $HostOS_CPP in
 612            mingw32)
 613               Catalog=`cygpath -w $hardtop/$Catalog`
 614               ;;
 615            *) Catalog=$hardtop/$Catalog
 616               ;;
 617         esac
 618    ;;
 619 esac
 620 AC_SUBST(Catalog)
 621
 622 compress_nm=`basename $CompressCmd`
 623 if test x"$compress_nm" = xgzip; then
 624   CompressCmd="$CompressCmd -d"
 625   CompressSuffix="gz"
 626 else
 627   CompressSuffix="Z"
 628 fi
 629 AC_SUBST(CompressCmd)
 630 AC_SUBST(CompressSuffix)
 631
 632 dnl ** check for installed happy binary + version
 633 dnl    (don't do it if we're booting from .hc files though.)
 634 if test "$BootingFromHc" = "NO"; then
 635 FPTOOLS_HAPPY
 636 fi;
 637
 638 dnl --------------------------------------------------
 639 dnl ### program checking section ends here ###
 640 dnl --------------------------------------------------
 641
 642 dnl --------------------------------------------------
 643 dnl * Platform header file and syscall feature tests
 644 dnl ### checking the state of the local header files and syscalls ###
 645
 646 dnl ** check for full ANSI header (.h) files
 647 AC_HEADER_STDC
 648
 649 dnl ** check for specific header (.h) files that we are interested in
 650 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)
 651
 652 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 653 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 654
 655 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 656   HaveReadlineHeaders=YES
 657   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 658 else
 659   HaveReadlineHeaders=NO
 660   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 661 fi
 662 AC_SUBST(HaveReadlineHeaders)
 663
 664 dnl ** check for DOS include files
 665 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 666
 667 dnl ** check for Windows include files
 668 AC_CHECK_HEADERS(windows.h)
 669
 670 dnl ** check for OpenGL include files
 671 AC_CHECK_HEADERS(GL/gl.h)
 672
 673 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 674 AC_HEADER_TIME
 675
 676 dnl dynamic loading include files
 677 AC_CHECK_HEADERS(dlfcn.h dl.h)
 678
 679 dnl ** check for farcalloc (in bcc)
 680 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 681
 682 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 683 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 684
 685 dnl ** how do we get a timezone name, and UTC offset ?
 686 AC_STRUCT_TIMEZONE
 687
 688 dnl ** what's the type of timezone?
 689 FPTOOLS_HAVE_TIMEZONE
 690 FPTOOLS_TYPE_TIMEZONE
 691
 692 dnl ** do we have altzone?
 693 FPTOOLS_ALTZONE
 694
 695 dnl ** does struct stat contain st_blksize?
 696 AC_STRUCT_ST_BLKSIZE
 697
 698 dnl ** do we have long longs?
 699 FPTOOLS_C_LONG_LONG
 700
 701 dnl ** what are the sizes of various types
 702 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 703 AC_CHECK_SIZEOF(char,               1)
 704 AC_CHECK_SIZEOF(double,             8)
 705 AC_CHECK_SIZEOF(float,              4)
 706 AC_CHECK_SIZEOF(int,                4)
 707 AC_CHECK_SIZEOF(long,               4)
 708 if test "$fptools_cv_have_long_long" = yes; then
 709 AC_CHECK_SIZEOF(long long,          8)
 710 fi
 711 AC_CHECK_SIZEOF(short,              2)
 712 AC_CHECK_SIZEOF(unsigned char,      1)
 713 AC_CHECK_SIZEOF(unsigned int,       4)
 714 AC_CHECK_SIZEOF(unsigned long,      4)
 715 if test "$fptools_cv_have_long_long" = yes; then
 716 AC_CHECK_SIZEOF(unsigned long long, 8)
 717 fi
 718 AC_CHECK_SIZEOF(unsigned short,     2)
 719 AC_CHECK_SIZEOF(void *,             4)
 720
 721 dnl ** what are alignment constraints on various types
 722 FPTOOLS_CHECK_ALIGNMENT(char)
 723 FPTOOLS_CHECK_ALIGNMENT(double)
 724 FPTOOLS_CHECK_ALIGNMENT(float)
 725 FPTOOLS_CHECK_ALIGNMENT(int)
 726 FPTOOLS_CHECK_ALIGNMENT(long)
 727 if test "$fptools_cv_have_long_long" = yes; then
 728 FPTOOLS_CHECK_ALIGNMENT(long long)
 729 fi
 730 FPTOOLS_CHECK_ALIGNMENT(short)
 731 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 732 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 733 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 734 if test "$fptools_cv_have_long_long" = yes; then
 735 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 736 fi
 737 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 738 FPTOOLS_CHECK_ALIGNMENT(void *)
 739
 740 dnl ** map standard C types and ISO types to Haskell types
 741 FPTOOLS_CHECK_HTYPE(char)
 742 FPTOOLS_CHECK_HTYPE(signed char)
 743 FPTOOLS_CHECK_HTYPE(unsigned char)
 744 FPTOOLS_CHECK_HTYPE(short)
 745 FPTOOLS_CHECK_HTYPE(unsigned short)
 746 FPTOOLS_CHECK_HTYPE(int)
 747 FPTOOLS_CHECK_HTYPE(unsigned int)
 748 FPTOOLS_CHECK_HTYPE(long)
 749 FPTOOLS_CHECK_HTYPE(unsigned long)
 750 if test "$fptools_cv_have_long_long" = yes; then
 751 FPTOOLS_CHECK_HTYPE(long long)
 752 FPTOOLS_CHECK_HTYPE(unsigned long long)
 753 fi
 754 FPTOOLS_CHECK_HTYPE(float)
 755 FPTOOLS_CHECK_HTYPE(double)
 756 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 757 FPTOOLS_CHECK_HTYPE(size_t)
 758 FPTOOLS_CHECK_HTYPE(wchar_t)
 759 dnl Int32 is a HACK for non-ISO C compilers
 760 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 761 FPTOOLS_CHECK_HTYPE(clock_t)
 762 FPTOOLS_CHECK_HTYPE(time_t)
 763
 764 dnl ** Map OpenGL data types to Haskell types
 765 if test $GhcLibsWithHOpenGL = YES ; then
 766 FPTOOLS_CHECK_HTYPE(GLboolean)
 767 FPTOOLS_CHECK_HTYPE(GLbyte)
 768 FPTOOLS_CHECK_HTYPE(GLubyte)
 769 FPTOOLS_CHECK_HTYPE(GLshort)
 770 FPTOOLS_CHECK_HTYPE(GLushort)
 771 FPTOOLS_CHECK_HTYPE(GLint)
 772 FPTOOLS_CHECK_HTYPE(GLuint)
 773 FPTOOLS_CHECK_HTYPE(GLsizei)
 774 FPTOOLS_CHECK_HTYPE(GLenum)
 775 FPTOOLS_CHECK_HTYPE(GLbitfield)
 776 FPTOOLS_CHECK_HTYPE(GLfloat)
 777 FPTOOLS_CHECK_HTYPE(GLclampf)
 778 FPTOOLS_CHECK_HTYPE(GLdouble)
 779 FPTOOLS_CHECK_HTYPE(GLclampd)
 780 fi
 781
 782 dnl ** can we open files in binary mode?
 783 FPTOOLS_O_BINARY
 784
 785 dnl ** check for GetModuleFileName and WinExec (windows only)
 786 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 787 dnl Doesn't work because the linker can't see the functions if
 788 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 789
 790 FPTOOLS_TRY_LINK_NOWARN(,[
 791 #if HAVE_WINDOWS_H
 792 #include <windows.h>
 793 #endif
 794 main() {
 795   WinExec("",0);
 796   exit(0);
 797 }
 798 ],
 799 [have_winexec=1],
 800 [have_winexec=0])
 801 if test "$have_winexec" = "1"; then
 802 AC_DEFINE(HAVE_WINEXEC)
 803 fi
 804
 805 FPTOOLS_TRY_LINK_NOWARN(,[
 806 #if HAVE_WINDOWS_H
 807 #include <windows.h>
 808 #endif
 809 main() {
 810   char* dir;
 811   GetModuleFileName((HMODULE)0,dir,0);
 812   exit(0);
 813 }
 814 ],
 815 [have_getmodulefilename=1],
 816 [have_getmodulefilename=0])
 817 if test "$have_getmodulefilename" = "1"; then
 818 AC_DEFINE(HAVE_GETMODULEFILENAME)
 819 fi
 820
 821 dnl ** check return type of signal handlers
 822 dnl Foo: assumes we can use prototypes.
 823 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 824 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 825 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 826 dnl #include <signal.h>
 827 dnl #ifdef signal
 828 dnl #undef signal
 829 dnl #endif
 830 dnl void (*signal (int, void (*)(int)))(int);
 831 dnl ],
 832 dnl [int i;],
 833 dnl ac_cv_type_signal_handler=void_int,
 834 dnl ac_cv_type_signal_handler=int_void)])
 835 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 836 dnl AC_DEFINE(VOID_INT_SIGNALS)
 837 dnl fi
 838
 839 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 840 AC_TYPE_SIGNAL
 841 if test "$ac_cv_type_signal" = void; then
 842 AC_DEFINE(VOID_INT_SIGNALS)
 843 fi
 844
 845 dnl ** check for more functions
 846 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 847 AC_CHECK_FUNCS(strcmp)
 848 AC_CHECK_FUNCS(realpath _fullpath)
 849 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 850 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 851 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 852 AC_CHECK_FUNCS(snprintf  _snprintf )
 853 AC_CHECK_FUNCS(popen     _popen )
 854 AC_CHECK_FUNCS(pclose    _pclose )
 855
 856
 857 dnl ** check for specific library functions that we are interested in
 858 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)
 859
 860 dnl ** check whether this machine has gmp3 installed
 861 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 862   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 863     HaveLibGmp=No; LibGmp=not-installed))
 864 AC_SUBST(HaveLibGmp)
 865 AC_SUBST(LibGmp)
 866
 867 dnl ** check whether this machine has GNU regex in libc.
 868 FPTOOLS_REGEX_IN_LIBC
 869
 870 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 871 dnl    the order of these tests matters: bfd needs liberty
 872 AC_CHECK_LIB(iberty, xmalloc)
 873 AC_CHECK_LIB(bfd,    bfd_init)
 874
 875 dnl ** check for readline, for Hugs and hslibs' Readline
 876 dnl ncurses supersedes termcap and curses, but for compatibility,
 877 dnl we have to check for all...
 878 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 879   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 880     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 881       HaveLibTermcap=NO; LibTermcap=not-installed)))
 882
 883 if test $HaveLibTermcap = YES ; then
 884   LIBS="-l$LibTermcap $LIBS"
 885   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 886 fi
 887
 888 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 889   AC_DEFINE(HAVE_READLINE_LIBS,1)
 890   LibsReadline="readline $LibTermcap"
 891 else
 892   AC_DEFINE(HAVE_READLINE_LIBS,0)
 893   LibsReadline=
 894 fi
 895 AC_SUBST(LibsReadline)
 896
 897 if test "$HaveLibReadline"; then
 898   AC_CHECK_LIB(readline, rl_erase_empty_line,
 899     [AC_DEFINE(HAVE_READLINE_4, 1)],
 900     [AC_DEFINE(HAVE_READLINE_4, 0)])
 901   AC_CHECK_LIB(readline, rl_free_undo_list,
 902     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
 903     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
 904 else
 905   AC_DEFINE(HAVE_READLINE_4, 0)
 906   AC_DEFINE(HAVE_READLINE_4_2, 0)
 907 fi
 908
 909 dnl ** check for math library
 910 FPTOOLS_CHECK_LIBM()
 911 AC_SUBST(LIBM)
 912
 913 case $HostOS_CPP in
 914 cygwin32) ;;
 915 mingw32)  ;;
 916 *) AC_PATH_XTRA() ;;
 917 esac
 918
 919 dnl ################################################################
 920 dnl Check for libraries
 921 dnl ################################################################
 922
 923 AC_CHECK_LIB(dl, dlopen,
 924         [HaveLibDL=YES
 925          AC_DEFINE(HAVE_LIBDL)
 926          LIBS="$LIBS -ldl"],
 927         [HaveLibDL=NO])
 928 AC_CHECK_FUNCS(dlopen)
 929 AC_SUBST(HaveLibDL)
 930
 931 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 932
 933 dnl --------------------------------------------------
 934 dnl * test for GTK+
 935 dnl --------------------------------------------------
 936
 937 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
 938 if test "$GTK_CONFIG" != ""; then
 939    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
 940         fptools_cv_gtk_version=`$GTK_CONFIG --version`
 941     ])
 942     GTK_VERSION=$fptools_cv_gtk_version
 943 else
 944     GTK_VERSION=
 945 fi
 946
 947 case $fptools_cv_gtk_version in
 948   1.[[23]].*) ;;
 949   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
 950      GTK_CONFIG=
 951      ;;
 952 esac
 953
 954 AC_SUBST(GTK_CONFIG)
 955 AC_SUBST(GTK_VERSION)
 956
 957 dnl --------------------------------------------------
 958 dnl * Miscellaneous feature tests
 959 dnl --------------------------------------------------
 960
 961 dnl ** can we get alloca?
 962 AC_FUNC_ALLOCA
 963
 964 dnl ** determine whether or not const works
 965 AC_C_CONST
 966
 967 dnl ** determine whether ANSI-function prototypes work?
 968 AC_C_PROTOTYPES
 969
 970 dnl ** are we big endian?
 971 AC_C_BIGENDIAN
 972 # Allay users' general fear of warnings of any kind.
 973 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
 974 )
 975 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
 976 )
 977
 978 dnl ** check for leading underscores in symbol names
 979 FPTOOLS_UNDERSCORE
 980
 981 dnl ** how is the end of text section signalled?
 982 FPTOOLS_END_TEXT_SECTION
 983
 984 dnl ** how is the end of data section signalled?
 985 FPTOOLS_END_DATA_SECTION
 986
 987 dnl ** code before data?
 988 FPTOOLS_CODE_BEFORE_DATA
 989
 990 dnl ** check for ld, and whether ld has -x option
 991 AC_PATH_PROG(LdCmd, ld)
 992 FPTOOLS_LD_X
 993
 994 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )