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 AC_CONFIG_SUBDIRS(ghc)
  24
  25 # -------------------------------------------------------------------------
  26 # Prepare to generate the following header files
  27 #
  28 #
  29 AC_CONFIG_HEADER(mk/config.h)
  30
  31 # No, semi-sadly, we don't do `--srcdir'...
  32 if test x"$srcdir" != 'x.' ; then
  33     echo "This configuration does not support the \`--srcdir' option.."
  34     exit 1
  35 fi
  36
  37 #
  38 # Remove common automounter nonsense + convert from UNC to DOS style paths
  39 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
  40 #
  41 hardtop=`pwd`
  42 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
  43
  44 echo ''
  45 echo "*** The top of your build tree is: $hardtop"
  46 AC_SUBST(hardtop)
  47
  48 dnl--------------------------------------------------------------------
  49 dnl * Choose host(/target/build) platform
  50 dnl--------------------------------------------------------------------
  51
  52 dnl Guess host/target/build platform(s) if necessary.
  53 AC_CANONICAL_SYSTEM
  54
  55 # "$host" defaults to "$target"
  56 if test "x$host" = xNONE ; then
  57     host=$target
  58 fi
  59
  60 dnl ** canonicalize platform names
  61 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  62 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  63 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  64
  65 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  66     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  67     exit 1
  68 fi
  69
  70 exeext=''
  71 #
  72 # The following will be more difficult when we *are* cross-compiling.
  73 # Suitable names to slam in *_CPP are in platform.h.in.
  74 # We also record the architecture, vendor, and operating system (OS)
  75 # separately.
  76 case $HostPlatform in
  77 alpha-dec-osf[[12]]*)
  78         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  79         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  80         BuildPlatform=alpha-dec-osf1  # hack
  81         HostPlatform_CPP='alpha_dec_osf1'
  82         HostArch_CPP='alpha'
  83         HostVendor_CPP='dec'
  84         HostOS_CPP='osf1'
  85         ;;
  86 alpha-dec-osf[[34]]*)
  87         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  88         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  89         BuildPlatform=alpha-dec-osf3  # hack
  90         HostPlatform_CPP='alpha_dec_osf3'
  91         HostArch_CPP='alpha'
  92         HostVendor_CPP='dec'
  93         HostOS_CPP='osf3'
  94         ;;
  95 alpha-unknown-linux)
  96         HostPlatform=alpha-unknown-linux
  97         TargetPlatform=alpha-unknown-linux
  98         BuildPlatform=alpha-unknown-linux
  99         HostPlatform_CPP='alpha_unknown_linux'
 100         HostArch_CPP='alpha'
 101         HostVendor_CPP='unknown'
 102         HostOS_CPP='linux'
 103         ;;
 104 alpha-unknown-freebsd*)
 105         HostPlatform=alpha-unknown-freebsd
 106         TargetPlatform=alpha-unknown-freebsd
 107         BuildPlatform=alpha-unknown-freebsd
 108         HostPlatform_CPP='alpha_unknown_freebsd'
 109         HostArch_CPP='alpha'
 110         HostVendor_CPP='unknown'
 111         HostOS_CPP='freebsd'
 112         ;;
 113 hppa1.1-hp-hpux*)
 114         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 115         TargetPlatform=hppa1.1-hp-hpux
 116         BuildPlatform=hppa1.1-hp-hpux
 117         HostPlatform_CPP='hppa1_1_hp_hpux'
 118         HostArch_CPP='hppa1_1'
 119         HostVendor_CPP='hp'
 120         HostOS_CPP='hpux'
 121         ;;
 122 i[[3456]]86-*-linuxaout*)
 123         HostPlatform=i386-unknown-linuxaout   # hack again
 124         TargetPlatform=i386-unknown-linuxaout
 125         BuildPlatform=i386-unknown-linuxaout
 126         HostPlatform_CPP='i386_unknown_linuxaout'
 127         HostArch_CPP='i386'
 128         HostVendor_CPP='unknown'
 129         HostOS_CPP='linuxaout'
 130         ;;
 131 i[[3456]]86-*-linux*)
 132         HostPlatform=i386-unknown-linux # hack again
 133         TargetPlatform=i386-unknown-linux
 134         BuildPlatform=i386-unknown-linux
 135         HostPlatform_CPP='i386_unknown_linux'
 136         HostArch_CPP='i386'
 137         HostVendor_CPP='unknown'
 138         HostOS_CPP='linux'
 139         ;;
 140 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 141         HostPlatform=i386-unknown-freebsd # hack again
 142         TargetPlatform=i386-unknown-freebsd
 143         BuildPlatform=i386-unknown-freebsd
 144         HostPlatform_CPP='i386_unknown_freebsd'
 145         HostArch_CPP='i386'
 146         HostVendor_CPP='unknown'
 147         HostOS_CPP='freebsd'
 148         ;;
 149 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 150         HostPlatform=i386-unknown-freebsd2 # hack again
 151         TargetPlatform=i386-unknown-freebsd2
 152         BuildPlatform=i386-unknown-freebsd2
 153         HostPlatform_CPP='i386_unknown_freebsd2'
 154         HostArch_CPP='i386'
 155         HostVendor_CPP='unknown'
 156         HostOS_CPP='freebsd2'
 157         ;;
 158 i[[3456]]86-*-netbsd*)
 159         HostPlatform=i386-unknown-netbsd # hack again
 160         TargetPlatform=i386-unknown-netbsd
 161         BuildPlatform=i386-unknown-netbsd
 162         HostPlatform_CPP='i386_unknown_netbsd'
 163         HostArch_CPP='i386'
 164         HostVendor_CPP='unknown'
 165         HostOS_CPP='netbsd'
 166         ;;
 167 i[[3456]]86-*-solaris2*)
 168         HostPlatform=i386-unknown-solaris2 # hack again
 169         TargetPlatform=i386-unknown-solaris2
 170         BuildPlatform=i386-unknown-solaris2
 171         HostPlatform_CPP='i386_unknown_solaris2'
 172         HostArch_CPP='i386'
 173         HostVendor_CPP='unknown'
 174         HostOS_CPP='solaris2'
 175         ;;
 176 i[[3456]]86-*-cygwin32*)
 177         HostPlatform=i386-unknown-cygwin32 # hack again
 178         TargetPlatform=i386-unknown-cygwin32
 179         BuildPlatform=i386-unknown-cygwin32
 180         HostPlatform_CPP='i386_unknown_cygwin32'
 181         HostArch_CPP='i386'
 182         HostVendor_CPP='unknown'
 183         HostOS_CPP='cygwin32'
 184         exeext='.exe'
 185         ;;
 186 i[[3456]]86-*-mingw32*)
 187         HostPlatform=i386-unknown-mingw32 # hack again
 188         TargetPlatform=i386-unknown-mingw32
 189         BuildPlatform=i386-unknown-mingw32
 190         HostPlatform_CPP='i386_unknown_mingw32'
 191         HostArch_CPP='i386'
 192         HostVendor_CPP='unknown'
 193         HostOS_CPP='mingw32'
 194         exeext='.exe'
 195         # We assume you're using mingw32 via the gcc that comes
 196         # with cygwin, and not the native port, so let's augment
 197         # the gcc command-line used here with -mno-cygwin to
 198         # arrange for good things to happen.
 199         CFLAGS="-mno-cygwin $CFLAGS"
 200         ;;
 201 m68k-next-nextstep2)
 202         HostPlatform_CPP='m68k_next_nextstep2'
 203         HostArch_CPP='m68k'
 204         HostVendor_CPP='next'
 205         HostOS_CPP='nextstep2'
 206         ;;
 207 m68k-next-nextstep3)
 208         HostPlatform_CPP='m68k_next_nextstep3'
 209         HostArch_CPP='m68k'
 210         HostVendor_CPP='next'
 211         HostOS_CPP='nextstep3'
 212         ;;
 213 i[[3456]]86-next-nextstep3)
 214         HostPlatform=i386-next-nextstep3 # hack again
 215         TargetPlatform=i386-next-nextstep3
 216         BuildPlatform=i386-next-nextstep3
 217         HostPlatform_CPP='i386_next_nextstep3'
 218         HostArch_CPP='i386'
 219         HostVendor_CPP='next'
 220         HostOS_CPP='nextstep3'
 221         ;;
 222 m68k-sun-sunos4*)
 223         HostPlatform=m68k-sun-sunos4
 224         TargetPlatform=m68k-sun-sunos4 #hack
 225         BuildPlatform=m68k-sun-sunos4 #hack
 226         HostPlatform_CPP='m68k_sun_sunos4'
 227         HostArch_CPP='m68k'
 228         HostVendor_CPP='sun'
 229         HostOS_CPP='sunos4'
 230         ;;
 231 mips-dec-ultrix*)
 232         HostPlatform_CPP='mips_dec_ultrix'
 233         HostArch_CPP='mipsel'   # NB a little different
 234         HostVendor_CPP='dec'
 235         HostOS_CPP='ultrix'
 236         ;;
 237 mips-sgi-irix*)
 238         HostPlatform=mips-sgi-irix
 239         TargetPlatform=mips-sgi-irix #hack
 240         BuildPlatform=mips-sgi-irix #hack
 241         HostPlatform_CPP='mips_sgi_irix'
 242         HostArch_CPP='mipseb'   # NB a little different
 243         HostVendor_CPP='sgi'
 244         HostOS_CPP='irix'
 245         ;;
 246 rs6000-ibm-aix*)
 247         HostPlatform=rs6000-ibm-aix
 248         TargetPlatform=rs6000-ibm-aix #hack
 249         BuildPlatform=rs6000-ibm-aix #hack
 250         HostPlatform_CPP='rs6000_ibm_aix'
 251         HostArch_CPP='rs6000'
 252         HostVendor_CPP='ibm'
 253         HostOS_CPP='aix'
 254         ;;
 255 powerpc-ibm-aix*)
 256         HostPlatform=powerpc-ibm-aix
 257         TargetPlatform=powerpc-ibm-aix #hack
 258         BuildPlatform=powerpc-ibm-aix #hack
 259         HostPlatform_CPP='powerpc_ibm_aix'
 260         HostArch_CPP='powerpc'
 261         HostVendor_CPP='ibm'
 262         HostOS_CPP='aix'
 263         ;;
 264 sparc-sun-sunos4*)
 265         HostPlatform=sparc-sun-sunos4
 266         TargetPlatform=sparc-sun-sunos4 #hack
 267         BuildPlatform=sparc-sun-sunos4 #hack
 268         HostPlatform_CPP='sparc_sun_sunos4'
 269         HostArch_CPP='sparc'
 270         HostVendor_CPP='sun'
 271         HostOS_CPP='sunos4'
 272         ;;
 273 sparc-sun-solaris2*)
 274         HostPlatform=sparc-sun-solaris2
 275         TargetPlatform=sparc-sun-solaris2 #hack
 276         BuildPlatform=sparc-sun-solaris2 #hack
 277         HostPlatform_CPP='sparc_sun_solaris2'
 278         HostArch_CPP='sparc'
 279         HostVendor_CPP='sun'
 280         HostOS_CPP='solaris2'
 281         ;;
 282 *)
 283         echo "Unrecognised platform: $HostPlatform"
 284         exit 1
 285         ;;
 286 esac
 287 echo "Canonicalised to: $HostPlatform"
 288 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 289 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 290
 291 BuildPlatform_CPP=$HostPlatform_CPP
 292 TargetPlatform_CPP=$HostPlatform_CPP
 293 BuildArch_CPP=$HostArch_CPP
 294 TargetArch_CPP=$HostArch_CPP
 295 BuildOS_CPP=$HostOS_CPP
 296 HostOS_Full=$host_os
 297 TargetOS_CPP=$HostOS_CPP
 298 BuildVendor_CPP=$HostVendor_CPP
 299 TargetVendor_CPP=$HostVendor_CPP
 300
 301 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 302 dnl AC_SUBST(BuildPlatform)
 303
 304 AC_SUBST(HostPlatform)
 305 AC_SUBST(TargetPlatform)
 306 AC_SUBST(HostPlatform_CPP)
 307 dnl AC_SUBST(BuildPlatform_CPP)
 308 dnl AC_SUBST(TargetPlatform_CPP)
 309
 310 AC_SUBST(HostArch_CPP)
 311 dnl AC_SUBST(BuildArch_CPP)
 312 dnl AC_SUBST(TargetArch_CPP)
 313
 314 AC_SUBST(HostOS_CPP)
 315 AC_SUBST(HostOS_Full)
 316 dnl AC_SUBST(BuildOS_CPP)
 317 dnl AC_SUBST(TargetOS_CPP)
 318
 319 AC_SUBST(HostVendor_CPP)
 320 dnl AC_SUBST(BuildVendor_CPP)
 321 dnl AC_SUBST(TargetVendor_CPP)
 322
 323 AC_SUBST(exeext)
 324
 325 if test "$GHC" = ""; then
 326   AC_PATH_PROG(GHC,ghc)
 327 fi
 328 if test "$GHC" != ""; then
 329   FPTOOLS_GHC_VERSION
 330 fi
 331
 332 AC_PATH_PROGS(NHC,nhc nhc98)
 333 AC_PATH_PROG(HBC,hbc)
 334
 335 dnl --------------------------------------------------------------
 336 dnl * Project specific configuration options
 337 dnl --------------------------------------------------------------
 338 dnl What follows is a bunch of options that can either be configured
 339 dnl through command line options to the configure script or by
 340 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 341 dnl use either is considered a Feature.
 342
 343 dnl ** What command to use to compile compiler sources ?
 344 dnl --------------------------------------------------------------
 345 AC_ARG_WITH(hc,
 346 [  --with-hc=<haskell compiler>
 347         Use a command different from 'ghc' to compile up Haskell code.
 348         (no claims currently made that this will work with a compiler other than a
 349          recent version of GHC, but you could always try...)
 350 ],
 351 [WithHc="$withval"],
 352 [WithHc=$GHC]
 353 )
 354 AC_SUBST(WithHc)
 355
 356 dnl ** Which gcc to use?
 357 dnl --------------------------------------------------------------
 358 AC_ARG_WITH(gcc,
 359 [  --with-gcc=<gcc command>
 360         Use a different command instead of 'gcc' for the GNU C compiler.
 361 ],
 362 [WhatGccIsCalled="$withval"],
 363 [WhatGccIsCalled="gcc"]
 364 )
 365 AC_SUBST(WhatGccIsCalled)
 366
 367 dnl ** Booting from .hc files?
 368 dnl --------------------------------------------------------------
 369 AC_ARG_ENABLE(hc-boot,
 370 [  --enable-hc-boot
 371         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 372         (This option is mostly of interest to porters.)
 373 ],
 374 [BootingFromHc=YES],
 375 [BootingFromHc=NO]
 376 )
 377 AC_SUBST(BootingFromHc)
 378
 379
 380 dnl ** Enable the construction of Win32 DLLs?
 381 dnl --------------------------------------------------------------
 382 AC_ARG_ENABLE(win32-dlls,
 383 [  --enable-win32-dlls
 384         If on a Win32 platform running mingw32/cygwin, enable the
 385         construction of DLLs containing ghc-compiled code.
 386 ],
 387 [
 388 case $HostOS_CPP in
 389 cygwin32) ;;
 390 mingw32)  ;;
 391 *)    echo "Unrecognised win32 platform: $HostPlatform"
 392       exit 1
 393       ;;
 394 esac
 395 EnableWin32DLLs=YES
 396 ],
 397 [EnableWin32DLLs=NO]
 398 )
 399 AC_SUBST(EnableWin32DLLs)
 400 if test x"$EnableWin32DLLs" = "xYES" ; then
 401  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 402 fi
 403
 404 dnl --------------------------------------------------------------
 405 dnl End of configure script option section
 406 dnl --------------------------------------------------------------
 407
 408
 409 dnl --------------------------------------------------------------
 410 dnl * General configuration checks
 411 dnl --------------------------------------------------------------
 412
 413 dnl ** does #! work?
 414 AC_SYS_INTERPRETER()
 415
 416 dnl ** look for `perl', but only in /bin on Windows
 417 case $HostOS_CPP in
 418 cygwin32|mingw32)
 419    AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 420    if test -z "$PerlCmd"; then
 421       echo "You must install the version of Perl shipped with GHC"
 422       echo "(or a compatible one) in /bin."
 423       exit 1
 424    fi
 425    ;;
 426 *)
 427    AC_PATH_PROG(PerlCmd,perl)
 428    if test -z "$PerlCmd"; then
 429       echo "You must install perl before you can continue"
 430       echo "Perhaps it is already installed, but not in your PATH?"
 431       exit 1
 432    else
 433    FPTOOLS_CHECK_PERL_VERSION
 434    fi
 435    ;;
 436 esac
 437
 438 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 439 FPTOOLS_SHEBANG_PERL
 440
 441
 442 dnl ** look for GCC and find out which version
 443 dnl     Figure out which C compiler to use.  Gcc is preferred.
 444 dnl     If gcc, make sure it's at least 2.1
 445 dnl
 446 AC_PROG_CC
 447 FPTOOLS_HAVE_GCC
 448
 449 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 450 AC_PROG_CPP
 451
 452 dnl ** figure out how to do context diffs
 453 FPTOOLS_PROG_DIFF
 454
 455 dnl ** Find find command (for Win32's benefit)
 456 AC_PATH_PROG(FindCmd, find)
 457
 458 dnl ** look for a decent parser generator (bison preferred)
 459 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 460 dnl  on the suitability of the 'yacc' returned.)
 461 FPTOOLS_PROG_YACCY
 462
 463 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 464 dnl     ( not that we care about the latter, see mk/config.mk.in )
 465 AC_PROG_LEX
 466
 467
 468 dnl ** figure out how to do a BSD-ish install
 469 AC_PROG_INSTALL
 470
 471 dnl If you can run configure, you certainly have /bin/sh
 472 AC_DEFINE(HAVE_BIN_SH)
 473
 474 dnl ** how to invoke `ar' and `ranlib'
 475 FPTOOLS_PROG_AR_AND_RANLIB
 476
 477
 478 dnl ** Check to see whether ln -s works
 479 AC_PROG_LN_S
 480
 481
 482 dnl ** Find the path to sed
 483 AC_PATH_PROG(SedCmd,sed)
 484
 485
 486 dnl ** check for time command
 487 AC_PATH_PROG(TimeCmd,time)
 488
 489
 490 dnl ** check for tar
 491 dnl   if GNU tar is named gtar, look for it first.
 492 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 493
 494 dnl ** check for gzip/compress
 495 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 496
 497 dnl ** check for jade/openjade & determine a working catalog
 498 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 499 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 500                         /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
 501 if test -z "$Catalog"; then
 502   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 503 fi
 504 AC_SUBST(Catalog)
 505
 506 compress_nm=`basename $CompressCmd`
 507 if test x"$compress_nm" = xgzip; then
 508   CompressCmd="$CompressCmd -d"
 509   CompressSuffix="gz"
 510 else
 511   CompressSuffix="Z"
 512 fi
 513 AC_SUBST(CompressCmd)
 514 AC_SUBST(CompressSuffix)
 515
 516 dnl ** check for installed happy binary + version
 517 dnl    (don't do it if we're booting from .hc files though.)
 518 if (test "$BootingFromHc" = "NO"); then
 519 FPTOOLS_HAPPY
 520 fi;
 521
 522 dnl --------------------------------------------------
 523 dnl ### program checking section ends here ###
 524 dnl --------------------------------------------------
 525
 526 dnl --------------------------------------------------
 527 dnl * Platform header file and syscall feature tests
 528 dnl ### checking the state of the local header files and syscalls ###
 529
 530 dnl ** check for full ANSI header (.h) files
 531 AC_HEADER_STDC
 532
 533 dnl ** check for specific header (.h) files that we are interested in
 534 AC_CHECK_HEADERS(Files.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.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 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/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)
 535
 536 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 537 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 538
 539 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 540   HaveReadlineHeaders=YES
 541   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 542 else
 543   HaveReadlineHeaders=NO
 544   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 545 fi
 546 AC_SUBST(HaveReadlineHeaders)
 547
 548 dnl ** check for DOS include files
 549 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 550
 551 dnl ** check for Windows include files
 552 AC_CHECK_HEADERS(windows.h)
 553
 554 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 555 AC_HEADER_TIME
 556
 557 dnl dynamic loading include files
 558 AC_CHECK_HEADERS(dlfcn.h dl.h)
 559
 560 dnl ** check for farcalloc (in bcc)
 561 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 562
 563 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 564 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 565
 566 dnl ** how do we get a timezone name, and UTC offset ?
 567 AC_STRUCT_TIMEZONE
 568
 569 dnl ** what's the type of timezone?
 570 FPTOOLS_HAVE_TIMEZONE
 571 FPTOOLS_TYPE_TIMEZONE
 572
 573 dnl ** do we have altzone?
 574 FPTOOLS_ALTZONE
 575
 576 dnl ** does struct stat contain st_blksize?
 577 AC_STRUCT_ST_BLKSIZE
 578
 579 dnl ** do we have long longs?
 580 FPTOOLS_C_LONG_LONG
 581
 582 dnl ** what are the sizes of various types
 583 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 584 AC_CHECK_SIZEOF(char,               1)
 585 AC_CHECK_SIZEOF(double,             8)
 586 AC_CHECK_SIZEOF(float,              4)
 587 AC_CHECK_SIZEOF(int,                4)
 588 AC_CHECK_SIZEOF(long,               4)
 589 if test "$fptools_cv_have_long_long" = yes; then
 590 AC_CHECK_SIZEOF(long long,          8)
 591 fi
 592 AC_CHECK_SIZEOF(short,              2)
 593 AC_CHECK_SIZEOF(unsigned char,      1)
 594 AC_CHECK_SIZEOF(unsigned int,       4)
 595 AC_CHECK_SIZEOF(unsigned long,      4)
 596 if test "$fptools_cv_have_long_long" = yes; then
 597 AC_CHECK_SIZEOF(unsigned long long, 8)
 598 fi
 599 AC_CHECK_SIZEOF(unsigned short,     2)
 600 AC_CHECK_SIZEOF(void *,             4)
 601
 602 dnl ** what are alignment constraints on various types
 603 FPTOOLS_CHECK_ALIGNMENT(char)
 604 FPTOOLS_CHECK_ALIGNMENT(double)
 605 FPTOOLS_CHECK_ALIGNMENT(float)
 606 FPTOOLS_CHECK_ALIGNMENT(int)
 607 FPTOOLS_CHECK_ALIGNMENT(long)
 608 if test "$fptools_cv_have_long_long" = yes; then
 609 FPTOOLS_CHECK_ALIGNMENT(long long)
 610 fi
 611 FPTOOLS_CHECK_ALIGNMENT(short)
 612 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 613 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 614 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 615 if test "$fptools_cv_have_long_long" = yes; then
 616 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 617 fi
 618 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 619 FPTOOLS_CHECK_ALIGNMENT(void *)
 620
 621 dnl ** map standard C types and ISO types to Haskell types
 622 FPTOOLS_CHECK_HTYPE(char)
 623 FPTOOLS_CHECK_HTYPE(signed char)
 624 FPTOOLS_CHECK_HTYPE(unsigned char)
 625 FPTOOLS_CHECK_HTYPE(short)
 626 FPTOOLS_CHECK_HTYPE(unsigned short)
 627 FPTOOLS_CHECK_HTYPE(int)
 628 FPTOOLS_CHECK_HTYPE(unsigned int)
 629 FPTOOLS_CHECK_HTYPE(long)
 630 FPTOOLS_CHECK_HTYPE(unsigned long)
 631 if test "$fptools_cv_have_long_long" = yes; then
 632 FPTOOLS_CHECK_HTYPE(long long)
 633 FPTOOLS_CHECK_HTYPE(unsigned long long)
 634 fi
 635 FPTOOLS_CHECK_HTYPE(float)
 636 FPTOOLS_CHECK_HTYPE(double)
 637 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 638 FPTOOLS_CHECK_HTYPE(size_t)
 639 FPTOOLS_CHECK_HTYPE(wchar_t)
 640 dnl Int32 is a HACK for non-ISO C compilers
 641 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 642 FPTOOLS_CHECK_HTYPE(clock_t)
 643 FPTOOLS_CHECK_HTYPE(time_t)
 644
 645 dnl ** can we open files in binary mode?
 646 FPTOOLS_O_BINARY
 647
 648 dnl ** check for GetModuleFileName and WinExec (windows only)
 649 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 650 dnl Doesn't work because the linker can't see the functions if
 651 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 652
 653 FPTOOLS_TRY_LINK_NOWARN(,[
 654 #if HAVE_WINDOWS_H
 655 #include <windows.h>
 656 #endif
 657 main() {
 658   WinExec("",0);
 659   exit(0);
 660 }
 661 ],
 662 [have_winexec=1],
 663 [have_winexec=0])
 664 if test "$have_winexec" = "1"; then
 665 AC_DEFINE(HAVE_WINEXEC)
 666 fi
 667
 668 FPTOOLS_TRY_LINK_NOWARN(,[
 669 #if HAVE_WINDOWS_H
 670 #include <windows.h>
 671 #endif
 672 main() {
 673   char* dir;
 674   GetModuleFileName((HMODULE)0,dir,0);
 675   exit(0);
 676 }
 677 ],
 678 [have_getmodulefilename=1],
 679 [have_getmodulefilename=0])
 680 if test "$have_getmodulefilename" = "1"; then
 681 AC_DEFINE(HAVE_GETMODULEFILENAME)
 682 fi
 683
 684 dnl ** check return type of signal handlers
 685 dnl Foo: assumes we can use prototypes.
 686 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 687 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 688 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 689 dnl #include <signal.h>
 690 dnl #ifdef signal
 691 dnl #undef signal
 692 dnl #endif
 693 dnl void (*signal (int, void (*)(int)))(int);
 694 dnl ],
 695 dnl [int i;],
 696 dnl ac_cv_type_signal_handler=void_int,
 697 dnl ac_cv_type_signal_handler=int_void)])
 698 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 699 dnl AC_DEFINE(VOID_INT_SIGNALS)
 700 dnl fi
 701
 702 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 703 AC_TYPE_SIGNAL
 704 if test "$ac_cv_type_signal" = void; then
 705 AC_DEFINE(VOID_INT_SIGNALS)
 706 fi
 707
 708 dnl ** check for more functions
 709 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 710 AC_CHECK_FUNCS(strcmp)
 711 AC_CHECK_FUNCS(realpath _fullpath)
 712 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 713 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 714 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 715 AC_CHECK_FUNCS(snprintf  _snprintf )
 716 AC_CHECK_FUNCS(popen     _popen )
 717 AC_CHECK_FUNCS(pclose    _pclose )
 718
 719
 720 dnl ** check for specific library functions that we are interested in
 721 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 722
 723 dnl ** check whether this machine has gmp2 installed
 724 AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 725   AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
 726     HaveLibGmp=No; LibGmp=not-installed))
 727 AC_SUBST(HaveLibGmp)
 728 AC_SUBST(LibGmp)
 729
 730 dnl ** check whether this machine has GNU regex in libc.
 731 FPTOOLS_REGEX_IN_LIBC
 732
 733 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 734 dnl    the order of these tests matters: bfd needs liberty
 735 AC_CHECK_LIB(iberty, xmalloc)
 736 AC_CHECK_LIB(bfd,    bfd_init)
 737
 738 dnl ** check for readline, for Hugs and hslibs' Readline
 739 dnl ncurses supersedes termcap and curses, but for compatibility,
 740 dnl we have to check for all...
 741 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 742   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 743     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 744       HaveLibTermcap=NO; LibTermcap=not-installed)))
 745
 746 if test $HaveLibTermcap = YES ; then
 747   LIBS="-l$LibTermcap $LIBS"
 748   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 749 fi
 750
 751 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 752   AC_DEFINE(HAVE_READLINE_LIBS,1)
 753   LibsReadline="-lreadline -l$LibTermcap"
 754 else
 755   AC_DEFINE(HAVE_READLINE_LIBS,0)
 756   LibsReadline=
 757 fi
 758 AC_SUBST(LibsReadline)
 759
 760 dnl ################################################################
 761 dnl Check for libraries
 762 dnl ################################################################
 763
 764 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
 765 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
 766 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 767
 768 dnl --------------------------------------------------
 769 dnl * Miscellaneous feature tests
 770 dnl --------------------------------------------------
 771
 772 dnl ** can we get alloca?
 773 AC_FUNC_ALLOCA
 774
 775 dnl ** determine whether or not const works
 776 AC_C_CONST
 777
 778 dnl ** determine whether ANSI-function prototypes work?
 779 AC_C_PROTOTYPES
 780
 781 dnl ** are we big endian?
 782 AC_C_BIGENDIAN
 783 # Allay users' general fear of warnings of any kind.
 784 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 785 )
 786
 787 dnl ** check for leading underscores in symbol names
 788 FPTOOLS_UNDERSCORE
 789
 790 dnl ** how is the end of text section signalled?
 791 FPTOOLS_END_TEXT_SECTION
 792
 793 dnl ** how is the end of data section signalled?
 794 FPTOOLS_END_DATA_SECTION
 795
 796 dnl ** code before data?
 797 FPTOOLS_CODE_BEFORE_DATA
 798
 799 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 800
 801 echo ''
 802 echo '************************************************'
 803 echo '*** NOW DO: gmake boot followed by gmake all'
 804 echo '***         (where gmake == GNU make)'
 805 echo '************************************************'
 806 exit 0