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 hppa1.1-hp-hpux*)
  96         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
  97         TargetPlatform=hppa1.1-hp-hpux
  98         BuildPlatform=hppa1.1-hp-hpux
  99         HostPlatform_CPP='hppa1_1_hp_hpux'
 100         HostArch_CPP='hppa1_1'
 101         HostVendor_CPP='hp'
 102         HostOS_CPP='hpux'
 103         ;;
 104 i[[3456]]86-*-linuxaout*)
 105         HostPlatform=i386-unknown-linuxaout   # hack again
 106         TargetPlatform=i386-unknown-linuxaout
 107         BuildPlatform=i386-unknown-linuxaout
 108         HostPlatform_CPP='i386_unknown_linuxaout'
 109         HostArch_CPP='i386'
 110         HostVendor_CPP='unknown'
 111         HostOS_CPP='linuxaout'
 112         ;;
 113 i[[3456]]86-*-linux*)
 114         HostPlatform=i386-unknown-linux # hack again
 115         TargetPlatform=i386-unknown-linux
 116         BuildPlatform=i386-unknown-linux
 117         HostPlatform_CPP='i386_unknown_linux'
 118         HostArch_CPP='i386'
 119         HostVendor_CPP='unknown'
 120         HostOS_CPP='linux'
 121         ;;
 122 i[[3456]]86-*-freebsd3*) # FreeBSD 3.0+ uses ELF
 123         HostPlatform=i386-unknown-freebsd3 # hack again
 124         TargetPlatform=i386-unknown-freebsd3
 125         BuildPlatform=i386-unknown-freebsd3
 126         HostPlatform_CPP='i386_unknown_freebsd3'
 127         HostArch_CPP='i386'
 128         HostVendor_CPP='unknown'
 129         HostOS_CPP='freebsd3'
 130         ;;
 131 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 132         HostPlatform=i386-unknown-freebsd2 # hack again
 133         TargetPlatform=i386-unknown-freebsd2
 134         BuildPlatform=i386-unknown-freebsd2
 135         HostPlatform_CPP='i386_unknown_freebsd2'
 136         HostArch_CPP='i386'
 137         HostVendor_CPP='unknown'
 138         HostOS_CPP='freebsd2'
 139         ;;
 140 i[[3456]]86-*-netbsd*)
 141         HostPlatform=i386-unknown-netbsd # hack again
 142         TargetPlatform=i386-unknown-netbsd
 143         BuildPlatform=i386-unknown-netbsd
 144         HostPlatform_CPP='i386_unknown_netbsd'
 145         HostArch_CPP='i386'
 146         HostVendor_CPP='unknown'
 147         HostOS_CPP='netbsd'
 148         ;;
 149 i[[3456]]86-*-solaris2*)
 150         HostPlatform=i386-unknown-solaris2 # hack again
 151         TargetPlatform=i386-unknown-solaris2
 152         BuildPlatform=i386-unknown-solaris2
 153         HostPlatform_CPP='i386_unknown_solaris2'
 154         HostArch_CPP='i386'
 155         HostVendor_CPP='unknown'
 156         HostOS_CPP='solaris2'
 157         ;;
 158 i[[3456]]86-*-cygwin32*)
 159         HostPlatform=i386-unknown-cygwin32 # hack again
 160         TargetPlatform=i386-unknown-cygwin32
 161         BuildPlatform=i386-unknown-cygwin32
 162         HostPlatform_CPP='i386_unknown_cygwin32'
 163         HostArch_CPP='i386'
 164         HostVendor_CPP='unknown'
 165         HostOS_CPP='cygwin32'
 166         exeext='.exe'
 167         ;;
 168 i[[3456]]86-*-mingw32*)
 169         HostPlatform=i386-unknown-mingw32 # hack again
 170         TargetPlatform=i386-unknown-mingw32
 171         BuildPlatform=i386-unknown-mingw32
 172         HostPlatform_CPP='i386_unknown_mingw32'
 173         HostArch_CPP='i386'
 174         HostVendor_CPP='unknown'
 175         HostOS_CPP='mingw32'
 176         exeext='.exe'
 177         # We assume you're using mingw32 via the gcc that comes
 178         # with cygwin, and not the native port, so let's augment
 179         # the gcc command-line used here with -mno-cygwin to
 180         # arrange for good things to happen.
 181         CFLAGS="-mno-cygwin $CFLAGS"
 182         ;;
 183 m68k-next-nextstep2)
 184         HostPlatform_CPP='m68k_next_nextstep2'
 185         HostArch_CPP='m68k'
 186         HostVendor_CPP='next'
 187         HostOS_CPP='nextstep2'
 188         ;;
 189 m68k-next-nextstep3)
 190         HostPlatform_CPP='m68k_next_nextstep3'
 191         HostArch_CPP='m68k'
 192         HostVendor_CPP='next'
 193         HostOS_CPP='nextstep3'
 194         ;;
 195 i[[3456]]86-next-nextstep3)
 196         HostPlatform=i386-next-nextstep3 # hack again
 197         TargetPlatform=i386-next-nextstep3
 198         BuildPlatform=i386-next-nextstep3
 199         HostPlatform_CPP='i386_next_nextstep3'
 200         HostArch_CPP='i386'
 201         HostVendor_CPP='next'
 202         HostOS_CPP='nextstep3'
 203         ;;
 204 m68k-sun-sunos4*)
 205         HostPlatform=m68k-sun-sunos4
 206         TargetPlatform=m68k-sun-sunos4 #hack
 207         BuildPlatform=m68k-sun-sunos4 #hack
 208         HostPlatform_CPP='m68k_sun_sunos4'
 209         HostArch_CPP='m68k'
 210         HostVendor_CPP='sun'
 211         HostOS_CPP='sunos4'
 212         ;;
 213 mips-dec-ultrix*)
 214         HostPlatform_CPP='mips_dec_ultrix'
 215         HostArch_CPP='mipsel'   # NB a little different
 216         HostVendor_CPP='dec'
 217         HostOS_CPP='ultrix'
 218         ;;
 219 mips-sgi-irix*)
 220         HostPlatform=mips-sgi-irix
 221         TargetPlatform=mips-sgi-irix #hack
 222         BuildPlatform=mips-sgi-irix #hack
 223         HostPlatform_CPP='mips_sgi_irix'
 224         HostArch_CPP='mipseb'   # NB a little different
 225         HostVendor_CPP='sgi'
 226         HostOS_CPP='irix'
 227         ;;
 228 rs6000-ibm-aix*)
 229         HostPlatform=rs6000-ibm-aix
 230         TargetPlatform=rs6000-ibm-aix #hack
 231         BuildPlatform=rs6000-ibm-aix #hack
 232         HostPlatform_CPP='rs6000_ibm_aix'
 233         HostArch_CPP='rs6000'
 234         HostVendor_CPP='ibm'
 235         HostOS_CPP='aix'
 236         ;;
 237 powerpc-ibm-aix*)
 238         HostPlatform=powerpc-ibm-aix
 239         TargetPlatform=powerpc-ibm-aix #hack
 240         BuildPlatform=powerpc-ibm-aix #hack
 241         HostPlatform_CPP='powerpc_ibm_aix'
 242         HostArch_CPP='powerpc'
 243         HostVendor_CPP='ibm'
 244         HostOS_CPP='aix'
 245         ;;
 246 sparc-sun-sunos4*)
 247         HostPlatform=sparc-sun-sunos4
 248         TargetPlatform=sparc-sun-sunos4 #hack
 249         BuildPlatform=sparc-sun-sunos4 #hack
 250         HostPlatform_CPP='sparc_sun_sunos4'
 251         HostArch_CPP='sparc'
 252         HostVendor_CPP='sun'
 253         HostOS_CPP='sunos4'
 254         ;;
 255 sparc-sun-solaris2*)
 256         HostPlatform=sparc-sun-solaris2
 257         TargetPlatform=sparc-sun-solaris2 #hack
 258         BuildPlatform=sparc-sun-solaris2 #hack
 259         HostPlatform_CPP='sparc_sun_solaris2'
 260         HostArch_CPP='sparc'
 261         HostVendor_CPP='sun'
 262         HostOS_CPP='solaris2'
 263         ;;
 264 *)
 265         echo "Unrecognised platform: $HostPlatform"
 266         exit 1
 267         ;;
 268 esac
 269 echo "Canonicalised to: $HostPlatform"
 270 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 271 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 272
 273 BuildPlatform_CPP=$HostPlatform_CPP
 274 TargetPlatform_CPP=$HostPlatform_CPP
 275 BuildArch_CPP=$HostArch_CPP
 276 TargetArch_CPP=$HostArch_CPP
 277 BuildOS_CPP=$HostOS_CPP
 278 HostOS_Full=$host_os
 279 TargetOS_CPP=$HostOS_CPP
 280 BuildVendor_CPP=$HostVendor_CPP
 281 TargetVendor_CPP=$HostVendor_CPP
 282
 283 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 284 dnl AC_SUBST(BuildPlatform)
 285
 286 AC_SUBST(HostPlatform)
 287 AC_SUBST(TargetPlatform)
 288 AC_SUBST(HostPlatform_CPP)
 289 dnl AC_SUBST(BuildPlatform_CPP)
 290 dnl AC_SUBST(TargetPlatform_CPP)
 291
 292 AC_SUBST(HostArch_CPP)
 293 dnl AC_SUBST(BuildArch_CPP)
 294 dnl AC_SUBST(TargetArch_CPP)
 295
 296 AC_SUBST(HostOS_CPP)
 297 AC_SUBST(HostOS_Full)
 298 dnl AC_SUBST(BuildOS_CPP)
 299 dnl AC_SUBST(TargetOS_CPP)
 300
 301 AC_SUBST(HostVendor_CPP)
 302 dnl AC_SUBST(BuildVendor_CPP)
 303 dnl AC_SUBST(TargetVendor_CPP)
 304
 305 AC_SUBST(exeext)
 306
 307 dnl --------------------------------------------------------------
 308 dnl * Project specific configuration options
 309 dnl --------------------------------------------------------------
 310 dnl What follows is a bunch of options that can either be configured
 311 dnl through command line options to the configure script or by
 312 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 313 dnl use either is considered a Feature.
 314
 315 dnl ** What command to use to compile compiler sources ?
 316 dnl --------------------------------------------------------------
 317 AC_ARG_WITH(hc,
 318 [  --with-hc=<haskell compiler>
 319         Use a command different from 'ghc' to compile up Haskell code.
 320         (no claims currently made that this will work with a compiler other than a
 321          recent version of GHC, but you could always try...)
 322 ],
 323 [WithHc="$withval"],
 324 [WithHc="ghc"]
 325 )
 326 AC_SUBST(WithHc)
 327
 328 dnl ** Which gcc to use?
 329 dnl --------------------------------------------------------------
 330 AC_ARG_WITH(gcc,
 331 [  --with-gcc=<gcc command>
 332         Use a different command instead of 'gcc' for the GNU C compiler.
 333 ],
 334 [WhatGccIsCalled="$withval"],
 335 [WhatGccIsCalled="gcc"]
 336 )
 337 AC_SUBST(WhatGccIsCalled)
 338
 339 dnl ** Booting from .hc files?
 340 dnl --------------------------------------------------------------
 341 AC_ARG_ENABLE(hc-boot,
 342 [  --enable-hc-boot
 343         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 344         (This option is mostly of interest to porters.)
 345 ],
 346 [BootingFromHc=YES],
 347 [BootingFromHc=NO]
 348 )
 349 AC_SUBST(BootingFromHc)
 350
 351
 352 dnl ** Enable the construction of Win32 DLLs?
 353 dnl --------------------------------------------------------------
 354 AC_ARG_ENABLE(win32-dlls,
 355 [  --enable-win32-dlls
 356         If on a Win32 platform running mingw32/cygwin, enable the
 357         construction of DLLs containing ghc-compiled code.
 358 ],
 359 [
 360 case $HostOS_CPP in
 361 cygwin32) ;;
 362 mingw32)  ;;
 363 *)    echo "Unrecognised win32 platform: $HostPlatform"
 364       exit 1
 365       ;;
 366 esac
 367 EnableWin32DLLs=YES
 368 ],
 369 [EnableWin32DLLs=NO]
 370 )
 371 AC_SUBST(EnableWin32DLLs)
 372 if test x"$EnableWin32DLLs" = "xYES" ; then
 373  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 374 fi
 375
 376 dnl --------------------------------------------------------------
 377 dnl End of configure script option section
 378 dnl --------------------------------------------------------------
 379
 380
 381 dnl --------------------------------------------------------------
 382 dnl * General configuration checks
 383 dnl --------------------------------------------------------------
 384
 385 dnl ** does #! work?
 386 AC_SYS_INTERPRETER()
 387
 388 dnl ** look for `perl', but watch out for version 4.035
 389 AC_PATH_PROG(PerlCmd,perl)
 390 if test -z "$PerlCmd"; then
 391    echo "You must install perl before you can continue"
 392    echo "Perhaps it is already installed, but not in your PATH?"
 393    exit 1
 394 else
 395 FPTOOLS_CHECK_PERL_VERSION
 396 fi
 397
 398 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 399 FPTOOLS_SHEBANG_PERL
 400
 401
 402 dnl ** look for GCC and find out which version
 403 dnl     Figure out which C compiler to use.  Gcc is preferred.
 404 dnl     If gcc, make sure it's at least 2.1
 405 dnl
 406 AC_PROG_CC
 407 FPTOOLS_HAVE_GCC
 408
 409 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 410 AC_PROG_CPP
 411
 412 dnl ** figure out how to do context diffs
 413 FPTOOLS_PROG_DIFF
 414
 415
 416 dnl ** look for a decent parser generator (bison preferred)
 417 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 418 dnl  on the suitability of the 'yacc' returned.)
 419 FPTOOLS_PROG_YACCY
 420
 421 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 422 dnl     ( not that we care about the latter, see mk/config.mk.in )
 423 AC_PROG_LEX
 424
 425
 426 dnl ** figure out how to do a BSD-ish install
 427 AC_PROG_INSTALL
 428
 429 dnl If you can run configure, you certainly have /bin/sh
 430 AC_DEFINE(HAVE_BIN_SH)
 431
 432 dnl ** how to invoke `ar' and `ranlib'
 433 FPTOOLS_PROG_AR_AND_RANLIB
 434
 435
 436 dnl ** Check to see whether ln -s works
 437 AC_PROG_LN_S
 438
 439
 440 dnl ** Find the path to sed
 441 AC_PATH_PROG(SedCmd,sed)
 442
 443
 444 dnl ** check for time command
 445 AC_PATH_PROG(TimeCmd,time)
 446
 447
 448 dnl ** check for tar
 449 dnl   if GNU tar is named gtar, look for it first.
 450 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 451
 452 dnl ** check for gzip/compress
 453 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 454
 455 compress_nm=`basename $CompressCmd`
 456 if test x"$compress_nm" = xgzip; then
 457   CompressCmd="$CompressCmd -d"
 458   CompressSuffix="gz"
 459 else
 460   CompressSuffix="Z"
 461 fi
 462 AC_SUBST(CompressCmd)
 463 AC_SUBST(CompressSuffix)
 464
 465 dnl ** check for installed happy binary + version
 466 dnl    (don't do it if we're booting from .hc files though.)
 467 if (test "$BootingFromHc" = "NO"); then
 468 FPTOOLS_HAPPY
 469 fi;
 470
 471 dnl --------------------------------------------------
 472 dnl ### program checking section ends here ###
 473 dnl --------------------------------------------------
 474
 475 dnl --------------------------------------------------
 476 dnl * Platform header file and syscall feature tests
 477 dnl ### checking the state of the local header files and syscalls ###
 478
 479 dnl ** check for full ANSI header (.h) files
 480 AC_HEADER_STDC
 481
 482 dnl ** check for specific header (.h) files that we are interested in
 483 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 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 readline/readline.h readline/history.h bfd.h winsock.h)
 484
 485 dnl ** check for DOS include files
 486 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 487
 488 dnl ** check for Windows include files
 489 AC_CHECK_HEADERS(windows.h)
 490
 491 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 492 AC_HEADER_TIME
 493
 494 dnl dynamic loading include files
 495 AC_CHECK_HEADERS(dlfcn.h dl.h)
 496
 497 dnl ** check for farcalloc (in bcc)
 498 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 499
 500 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 501 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 502
 503 dnl ** how do we get a timezone name, and UTC offset ?
 504 AC_STRUCT_TIMEZONE
 505
 506 dnl ** what's the type of timezone?
 507 FPTOOLS_HAVE_TIMEZONE
 508 FPTOOLS_TYPE_TIMEZONE
 509
 510 dnl ** do we have altzone?
 511 FPTOOLS_ALTZONE
 512
 513 dnl ** does struct stat contain st_blksize?
 514 AC_STRUCT_ST_BLKSIZE
 515
 516 dnl ** what are the sizes of various types
 517 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 518 AC_CHECK_SIZEOF(unsigned int,4)
 519 AC_CHECK_SIZEOF(float,       4)
 520 AC_CHECK_SIZEOF(double,      8)
 521 AC_CHECK_SIZEOF(long,        4)
 522 AC_CHECK_SIZEOF(void *,      4)
 523
 524 dnl ** what are alignment constraints on various types
 525 FPTOOLS_CHECK_ALIGNMENT(unsigned int) dnl redundant but harmless
 526 FPTOOLS_CHECK_ALIGNMENT(long)
 527 FPTOOLS_CHECK_ALIGNMENT(float)
 528 FPTOOLS_CHECK_ALIGNMENT(double)
 529
 530 dnl ** do we have long longs?
 531 FPTOOLS_C_LONG_LONG
 532
 533 dnl ** can we open files in binary mode?
 534 FPTOOLS_O_BINARY
 535
 536 dnl ** check for GetModuleFileName and WinExec (windows only)
 537 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 538 dnl Doesn't work because the linker can't see the functions if
 539 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 540
 541 FPTOOLS_TRY_LINK_NOWARN(,[
 542 #if HAVE_WINDOWS_H
 543 #include <windows.h>
 544 #endif
 545 main() {
 546   WinExec("",0);
 547   exit(0);
 548 }
 549 ],
 550 [have_winexec=1],
 551 [have_winexec=0])
 552 if test "$have_winexec" = "1"; then
 553 AC_DEFINE(HAVE_WINEXEC)
 554 fi
 555
 556 FPTOOLS_TRY_LINK_NOWARN(,[
 557 #if HAVE_WINDOWS_H
 558 #include <windows.h>
 559 #endif
 560 main() {
 561   char* dir;
 562   GetModuleFileName((HMODULE)0,dir,0);
 563   exit(0);
 564 }
 565 ],
 566 [have_getmodulefilename=1],
 567 [have_getmodulefilename=0])
 568 if test "$have_getmodulefilename" = "1"; then
 569 AC_DEFINE(HAVE_GETMODULEFILENAME)
 570 fi
 571
 572 dnl ** check return type of signal handlers
 573 dnl Foo: assumes we can use prototypes.
 574 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 575 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 576 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 577 dnl #include <signal.h>
 578 dnl #ifdef signal
 579 dnl #undef signal
 580 dnl #endif
 581 dnl void (*signal (int, void (*)(int)))(int);
 582 dnl ],
 583 dnl [int i;],
 584 dnl ac_cv_type_signal_handler=void_int,
 585 dnl ac_cv_type_signal_handler=int_void)])
 586 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 587 dnl AC_DEFINE(VOID_INT_SIGNALS)
 588 dnl fi
 589
 590 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 591 AC_TYPE_SIGNAL
 592 if test "$ac_cv_type_signal" = void; then
 593 AC_DEFINE(VOID_INT_SIGNALS)
 594 fi
 595
 596 dnl ** check for more functions
 597 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 598 AC_CHECK_FUNCS(strcmp)
 599 AC_CHECK_FUNCS(realpath _fullpath)
 600 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 601 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 602 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 603 AC_CHECK_FUNCS(snprintf  _snprintf )
 604 AC_CHECK_FUNCS(popen     _popen )
 605 AC_CHECK_FUNCS(pclose    _pclose )
 606
 607
 608 dnl ** check for specific library functions that we are interested in
 609 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 610
 611 dnl ** check whether this machine has gmp2 installed
 612 AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 613   AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
 614     HaveLibGmp=No; LibGmp=not-installed))
 615 AC_SUBST(HaveLibGmp)
 616 AC_SUBST(LibGmp)
 617
 618 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 619 dnl    the order of these tests matters: bfd needs liberty
 620 AC_CHECK_LIB(iberty, xmalloc)
 621 AC_CHECK_LIB(bfd,    bfd_init)
 622
 623 dnl ** check for readline, for Hugs
 624 AC_CHECK_LIB(readline, readline,
 625 [
 626 AC_DEFINE(HAVE_LIBREADLINE,1)
 627 HaveLibReadline=YES
 628 ],
 629 [
 630 AC_DEFINE(HAVE_LIBREADLINE,0)
 631 HaveLibReadline=NO
 632 ],
 633 -ltermcap)
 634 AC_SUBST(HaveLibReadline)
 635
 636
 637 dnl ################################################################
 638 dnl Check for libraries
 639 dnl ################################################################
 640
 641 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
 642 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
 643 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 644
 645 dnl --------------------------------------------------
 646 dnl * Miscellaneous feature tests
 647 dnl --------------------------------------------------
 648
 649 dnl ** can we get alloca?
 650 AC_FUNC_ALLOCA
 651
 652 dnl ** determine whether or not const works
 653 AC_C_CONST
 654
 655 dnl ** determine whether ANSI-function prototypes work?
 656 AC_C_PROTOTYPES
 657
 658 dnl ** are we big endian?
 659 AC_C_BIGENDIAN
 660 # Allay users' general fear of warnings of any kind.
 661 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 662 )
 663
 664 dnl ** determine the return type of signal()
 665 AC_TYPE_SIGNAL
 666
 667 dnl ** check for leading underscores in symbol names
 668 FPTOOLS_UNDERSCORE
 669
 670 dnl ** how is the end of text section signalled?
 671 FPTOOLS_END_TEXT_SECTION
 672
 673 dnl ** how is the end of data section signalled?
 674 FPTOOLS_END_DATA_SECTION
 675
 676 dnl ** code before data?
 677 FPTOOLS_CODE_BEFORE_DATA
 678
 679 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 680
 681 echo ''
 682 echo '************************************************'
 683 echo '*** NOW DO: gmake boot followed by gmake all'
 684 echo '***         (where gmake == GNU make)'
 685 echo '************************************************'
 686 exit 0