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 AC_PATH_PROG(GHC,ghc)
 326 AC_PATH_PROGS(NHC,nhc nhc98)
 327 AC_PATH_PROG(HBC,hbc)
 328
 329 dnl --------------------------------------------------------------
 330 dnl * Project specific configuration options
 331 dnl --------------------------------------------------------------
 332 dnl What follows is a bunch of options that can either be configured
 333 dnl through command line options to the configure script or by
 334 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 335 dnl use either is considered a Feature.
 336
 337 dnl ** What command to use to compile compiler sources ?
 338 dnl --------------------------------------------------------------
 339 AC_ARG_WITH(hc,
 340 [  --with-hc=<haskell compiler>
 341         Use a command different from 'ghc' to compile up Haskell code.
 342         (no claims currently made that this will work with a compiler other than a
 343          recent version of GHC, but you could always try...)
 344 ],
 345 [WithHc="$withval"],
 346 [WithHc=$GHC]
 347 )
 348 AC_SUBST(WithHc)
 349
 350 dnl ** Which gcc to use?
 351 dnl --------------------------------------------------------------
 352 AC_ARG_WITH(gcc,
 353 [  --with-gcc=<gcc command>
 354         Use a different command instead of 'gcc' for the GNU C compiler.
 355 ],
 356 [WhatGccIsCalled="$withval"],
 357 [WhatGccIsCalled="gcc"]
 358 )
 359 AC_SUBST(WhatGccIsCalled)
 360
 361 dnl ** Booting from .hc files?
 362 dnl --------------------------------------------------------------
 363 AC_ARG_ENABLE(hc-boot,
 364 [  --enable-hc-boot
 365         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 366         (This option is mostly of interest to porters.)
 367 ],
 368 [BootingFromHc=YES],
 369 [BootingFromHc=NO]
 370 )
 371 AC_SUBST(BootingFromHc)
 372
 373
 374 dnl ** Enable the construction of Win32 DLLs?
 375 dnl --------------------------------------------------------------
 376 AC_ARG_ENABLE(win32-dlls,
 377 [  --enable-win32-dlls
 378         If on a Win32 platform running mingw32/cygwin, enable the
 379         construction of DLLs containing ghc-compiled code.
 380 ],
 381 [
 382 case $HostOS_CPP in
 383 cygwin32) ;;
 384 mingw32)  ;;
 385 *)    echo "Unrecognised win32 platform: $HostPlatform"
 386       exit 1
 387       ;;
 388 esac
 389 EnableWin32DLLs=YES
 390 ],
 391 [EnableWin32DLLs=NO]
 392 )
 393 AC_SUBST(EnableWin32DLLs)
 394 if test x"$EnableWin32DLLs" = "xYES" ; then
 395  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 396 fi
 397
 398 dnl --------------------------------------------------------------
 399 dnl End of configure script option section
 400 dnl --------------------------------------------------------------
 401
 402
 403 dnl --------------------------------------------------------------
 404 dnl * General configuration checks
 405 dnl --------------------------------------------------------------
 406
 407 dnl ** does #! work?
 408 AC_SYS_INTERPRETER()
 409
 410 dnl ** look for `perl', but only in /bin on Windows
 411 case $HostOS_CPP in
 412 cygwin32|mingw32)
 413    AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 414    if test -z "$PerlCmd"; then
 415       echo "You must install the version of Perl shipped with GHC"
 416       echo "(or a compatible one) in /bin."
 417       exit 1
 418    fi
 419    ;;
 420 *)
 421    AC_PATH_PROG(PerlCmd,perl)
 422    if test -z "$PerlCmd"; then
 423       echo "You must install perl before you can continue"
 424       echo "Perhaps it is already installed, but not in your PATH?"
 425       exit 1
 426    else
 427    FPTOOLS_CHECK_PERL_VERSION
 428    fi
 429    ;;
 430 esac
 431
 432 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 433 FPTOOLS_SHEBANG_PERL
 434
 435
 436 dnl ** look for GCC and find out which version
 437 dnl     Figure out which C compiler to use.  Gcc is preferred.
 438 dnl     If gcc, make sure it's at least 2.1
 439 dnl
 440 AC_PROG_CC
 441 FPTOOLS_HAVE_GCC
 442
 443 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 444 AC_PROG_CPP
 445
 446 dnl ** figure out how to do context diffs
 447 FPTOOLS_PROG_DIFF
 448
 449 dnl ** Find find command (for Win32's benefit)
 450 AC_PATH_PROG(FindCmd, find)
 451
 452 dnl ** look for a decent parser generator (bison preferred)
 453 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 454 dnl  on the suitability of the 'yacc' returned.)
 455 FPTOOLS_PROG_YACCY
 456
 457 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 458 dnl     ( not that we care about the latter, see mk/config.mk.in )
 459 AC_PROG_LEX
 460
 461
 462 dnl ** figure out how to do a BSD-ish install
 463 AC_PROG_INSTALL
 464
 465 dnl If you can run configure, you certainly have /bin/sh
 466 AC_DEFINE(HAVE_BIN_SH)
 467
 468 dnl ** how to invoke `ar' and `ranlib'
 469 FPTOOLS_PROG_AR_AND_RANLIB
 470
 471
 472 dnl ** Check to see whether ln -s works
 473 AC_PROG_LN_S
 474
 475
 476 dnl ** Find the path to sed
 477 AC_PATH_PROG(SedCmd,sed)
 478
 479
 480 dnl ** check for time command
 481 AC_PATH_PROG(TimeCmd,time)
 482
 483
 484 dnl ** check for tar
 485 dnl   if GNU tar is named gtar, look for it first.
 486 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 487
 488 dnl ** check for gzip/compress
 489 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 490
 491 compress_nm=`basename $CompressCmd`
 492 if test x"$compress_nm" = xgzip; then
 493   CompressCmd="$CompressCmd -d"
 494   CompressSuffix="gz"
 495 else
 496   CompressSuffix="Z"
 497 fi
 498 AC_SUBST(CompressCmd)
 499 AC_SUBST(CompressSuffix)
 500
 501 dnl ** check for installed happy binary + version
 502 dnl    (don't do it if we're booting from .hc files though.)
 503 if (test "$BootingFromHc" = "NO"); then
 504 FPTOOLS_HAPPY
 505 fi;
 506
 507 dnl --------------------------------------------------
 508 dnl ### program checking section ends here ###
 509 dnl --------------------------------------------------
 510
 511 dnl --------------------------------------------------
 512 dnl * Platform header file and syscall feature tests
 513 dnl ### checking the state of the local header files and syscalls ###
 514
 515 dnl ** check for full ANSI header (.h) files
 516 AC_HEADER_STDC
 517
 518 dnl ** check for specific header (.h) files that we are interested in
 519 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)
 520
 521 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 522 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 523
 524 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 525   HaveReadlineHeaders=YES
 526   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 527 else
 528   HaveReadlineHeaders=NO
 529   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 530 fi
 531 AC_SUBST(HaveReadlineHeaders)
 532
 533 dnl ** check for DOS include files
 534 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 535
 536 dnl ** check for Windows include files
 537 AC_CHECK_HEADERS(windows.h)
 538
 539 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 540 AC_HEADER_TIME
 541
 542 dnl dynamic loading include files
 543 AC_CHECK_HEADERS(dlfcn.h dl.h)
 544
 545 dnl ** check for farcalloc (in bcc)
 546 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 547
 548 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 549 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 550
 551 dnl ** how do we get a timezone name, and UTC offset ?
 552 AC_STRUCT_TIMEZONE
 553
 554 dnl ** what's the type of timezone?
 555 FPTOOLS_HAVE_TIMEZONE
 556 FPTOOLS_TYPE_TIMEZONE
 557
 558 dnl ** do we have altzone?
 559 FPTOOLS_ALTZONE
 560
 561 dnl ** does struct stat contain st_blksize?
 562 AC_STRUCT_ST_BLKSIZE
 563
 564 dnl ** do we have long longs?
 565 FPTOOLS_C_LONG_LONG
 566
 567 dnl ** what are the sizes of various types
 568 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 569 AC_CHECK_SIZEOF(char,               1)
 570 AC_CHECK_SIZEOF(double,             8)
 571 AC_CHECK_SIZEOF(float,              4)
 572 AC_CHECK_SIZEOF(int,                4)
 573 AC_CHECK_SIZEOF(long,               4)
 574 if test "$fptools_cv_have_long_long" = yes; then
 575 AC_CHECK_SIZEOF(long long,          8)
 576 fi
 577 AC_CHECK_SIZEOF(short,              2)
 578 AC_CHECK_SIZEOF(unsigned char,      1)
 579 AC_CHECK_SIZEOF(unsigned int,       4)
 580 AC_CHECK_SIZEOF(unsigned long,      4)
 581 if test "$fptools_cv_have_long_long" = yes; then
 582 AC_CHECK_SIZEOF(unsigned long long, 8)
 583 fi
 584 AC_CHECK_SIZEOF(unsigned short,     2)
 585 AC_CHECK_SIZEOF(void *,             4)
 586
 587 dnl ** what are alignment constraints on various types
 588 FPTOOLS_CHECK_ALIGNMENT(char)
 589 FPTOOLS_CHECK_ALIGNMENT(double)
 590 FPTOOLS_CHECK_ALIGNMENT(float)
 591 FPTOOLS_CHECK_ALIGNMENT(int)
 592 FPTOOLS_CHECK_ALIGNMENT(long)
 593 if test "$fptools_cv_have_long_long" = yes; then
 594 FPTOOLS_CHECK_ALIGNMENT(long long)
 595 fi
 596 FPTOOLS_CHECK_ALIGNMENT(short)
 597 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 598 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 599 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 600 if test "$fptools_cv_have_long_long" = yes; then
 601 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 602 fi
 603 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 604 FPTOOLS_CHECK_ALIGNMENT(void *)
 605
 606 dnl ** can we open files in binary mode?
 607 FPTOOLS_O_BINARY
 608
 609 dnl ** check for GetModuleFileName and WinExec (windows only)
 610 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 611 dnl Doesn't work because the linker can't see the functions if
 612 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 613
 614 FPTOOLS_TRY_LINK_NOWARN(,[
 615 #if HAVE_WINDOWS_H
 616 #include <windows.h>
 617 #endif
 618 main() {
 619   WinExec("",0);
 620   exit(0);
 621 }
 622 ],
 623 [have_winexec=1],
 624 [have_winexec=0])
 625 if test "$have_winexec" = "1"; then
 626 AC_DEFINE(HAVE_WINEXEC)
 627 fi
 628
 629 FPTOOLS_TRY_LINK_NOWARN(,[
 630 #if HAVE_WINDOWS_H
 631 #include <windows.h>
 632 #endif
 633 main() {
 634   char* dir;
 635   GetModuleFileName((HMODULE)0,dir,0);
 636   exit(0);
 637 }
 638 ],
 639 [have_getmodulefilename=1],
 640 [have_getmodulefilename=0])
 641 if test "$have_getmodulefilename" = "1"; then
 642 AC_DEFINE(HAVE_GETMODULEFILENAME)
 643 fi
 644
 645 dnl ** check return type of signal handlers
 646 dnl Foo: assumes we can use prototypes.
 647 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 648 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 649 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 650 dnl #include <signal.h>
 651 dnl #ifdef signal
 652 dnl #undef signal
 653 dnl #endif
 654 dnl void (*signal (int, void (*)(int)))(int);
 655 dnl ],
 656 dnl [int i;],
 657 dnl ac_cv_type_signal_handler=void_int,
 658 dnl ac_cv_type_signal_handler=int_void)])
 659 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 660 dnl AC_DEFINE(VOID_INT_SIGNALS)
 661 dnl fi
 662
 663 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 664 AC_TYPE_SIGNAL
 665 if test "$ac_cv_type_signal" = void; then
 666 AC_DEFINE(VOID_INT_SIGNALS)
 667 fi
 668
 669 dnl ** check for more functions
 670 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 671 AC_CHECK_FUNCS(strcmp)
 672 AC_CHECK_FUNCS(realpath _fullpath)
 673 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 674 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 675 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 676 AC_CHECK_FUNCS(snprintf  _snprintf )
 677 AC_CHECK_FUNCS(popen     _popen )
 678 AC_CHECK_FUNCS(pclose    _pclose )
 679
 680
 681 dnl ** check for specific library functions that we are interested in
 682 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 683
 684 dnl ** check whether this machine has gmp2 installed
 685 AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 686   AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
 687     HaveLibGmp=No; LibGmp=not-installed))
 688 AC_SUBST(HaveLibGmp)
 689 AC_SUBST(LibGmp)
 690
 691 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 692 dnl    the order of these tests matters: bfd needs liberty
 693 AC_CHECK_LIB(iberty, xmalloc)
 694 AC_CHECK_LIB(bfd,    bfd_init)
 695
 696 dnl ** check for readline, for Hugs and hslibs' Readline
 697 dnl ncurses supersedes termcap and curses, but for compatibility,
 698 dnl we have to check for all...
 699 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 700   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 701     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 702       HaveLibTermcap=NO; LibTermcap=not-installed)))
 703
 704 if test $HaveLibTermcap = YES ; then
 705   LIBS="-l$LibTermcap $LIBS"
 706   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 707 fi
 708
 709 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 710   AC_DEFINE(HAVE_READLINE_LIBS,1)
 711   LibsReadline="-lreadline -l$LibTermcap"
 712 else
 713   AC_DEFINE(HAVE_READLINE_LIBS,0)
 714   LibsReadline=
 715 fi
 716 AC_SUBST(LibsReadline)
 717
 718 dnl ################################################################
 719 dnl Check for libraries
 720 dnl ################################################################
 721
 722 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
 723 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
 724 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 725
 726 dnl --------------------------------------------------
 727 dnl * Miscellaneous feature tests
 728 dnl --------------------------------------------------
 729
 730 dnl ** can we get alloca?
 731 AC_FUNC_ALLOCA
 732
 733 dnl ** determine whether or not const works
 734 AC_C_CONST
 735
 736 dnl ** determine whether ANSI-function prototypes work?
 737 AC_C_PROTOTYPES
 738
 739 dnl ** are we big endian?
 740 AC_C_BIGENDIAN
 741 # Allay users' general fear of warnings of any kind.
 742 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 743 )
 744
 745 dnl ** check for leading underscores in symbol names
 746 FPTOOLS_UNDERSCORE
 747
 748 dnl ** how is the end of text section signalled?
 749 FPTOOLS_END_TEXT_SECTION
 750
 751 dnl ** how is the end of data section signalled?
 752 FPTOOLS_END_DATA_SECTION
 753
 754 dnl ** code before data?
 755 FPTOOLS_CODE_BEFORE_DATA
 756
 757 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 758
 759 echo ''
 760 echo '************************************************'
 761 echo '*** NOW DO: gmake boot followed by gmake all'
 762 echo '***         (where gmake == GNU make)'
 763 echo '************************************************'
 764 exit 0