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 AC_PATH_PROG(GHC,ghc)
 308 AC_PATH_PROGS(NHC,nhc nhc98)
 309 AC_PATH_PROG(HBC,hbc)
 310
 311 dnl --------------------------------------------------------------
 312 dnl * Project specific configuration options
 313 dnl --------------------------------------------------------------
 314 dnl What follows is a bunch of options that can either be configured
 315 dnl through command line options to the configure script or by
 316 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 317 dnl use either is considered a Feature.
 318
 319 dnl ** What command to use to compile compiler sources ?
 320 dnl --------------------------------------------------------------
 321 AC_ARG_WITH(hc,
 322 [  --with-hc=<haskell compiler>
 323         Use a command different from 'ghc' to compile up Haskell code.
 324         (no claims currently made that this will work with a compiler other than a
 325          recent version of GHC, but you could always try...)
 326 ],
 327 [WithHc="$withval"],
 328 [WithHc=$GHC]
 329 )
 330 AC_SUBST(WithHc)
 331
 332 dnl ** Which gcc to use?
 333 dnl --------------------------------------------------------------
 334 AC_ARG_WITH(gcc,
 335 [  --with-gcc=<gcc command>
 336         Use a different command instead of 'gcc' for the GNU C compiler.
 337 ],
 338 [WhatGccIsCalled="$withval"],
 339 [WhatGccIsCalled="gcc"]
 340 )
 341 AC_SUBST(WhatGccIsCalled)
 342
 343 dnl ** Booting from .hc files?
 344 dnl --------------------------------------------------------------
 345 AC_ARG_ENABLE(hc-boot,
 346 [  --enable-hc-boot
 347         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 348         (This option is mostly of interest to porters.)
 349 ],
 350 [BootingFromHc=YES],
 351 [BootingFromHc=NO]
 352 )
 353 AC_SUBST(BootingFromHc)
 354
 355
 356 dnl ** Enable the construction of Win32 DLLs?
 357 dnl --------------------------------------------------------------
 358 AC_ARG_ENABLE(win32-dlls,
 359 [  --enable-win32-dlls
 360         If on a Win32 platform running mingw32/cygwin, enable the
 361         construction of DLLs containing ghc-compiled code.
 362 ],
 363 [
 364 case $HostOS_CPP in
 365 cygwin32) ;;
 366 mingw32)  ;;
 367 *)    echo "Unrecognised win32 platform: $HostPlatform"
 368       exit 1
 369       ;;
 370 esac
 371 EnableWin32DLLs=YES
 372 ],
 373 [EnableWin32DLLs=NO]
 374 )
 375 AC_SUBST(EnableWin32DLLs)
 376 if test x"$EnableWin32DLLs" = "xYES" ; then
 377  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 378 fi
 379
 380 dnl --------------------------------------------------------------
 381 dnl End of configure script option section
 382 dnl --------------------------------------------------------------
 383
 384
 385 dnl --------------------------------------------------------------
 386 dnl * General configuration checks
 387 dnl --------------------------------------------------------------
 388
 389 dnl ** does #! work?
 390 AC_SYS_INTERPRETER()
 391
 392 dnl ** look for `perl', but watch out for version 4.035
 393 AC_PATH_PROG(PerlCmd,perl)
 394 if test -z "$PerlCmd"; then
 395    echo "You must install perl before you can continue"
 396    echo "Perhaps it is already installed, but not in your PATH?"
 397    exit 1
 398 else
 399 FPTOOLS_CHECK_PERL_VERSION
 400 fi
 401
 402 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 403 FPTOOLS_SHEBANG_PERL
 404
 405
 406 dnl ** look for GCC and find out which version
 407 dnl     Figure out which C compiler to use.  Gcc is preferred.
 408 dnl     If gcc, make sure it's at least 2.1
 409 dnl
 410 AC_PROG_CC
 411 FPTOOLS_HAVE_GCC
 412
 413 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 414 AC_PROG_CPP
 415
 416 dnl ** figure out how to do context diffs
 417 FPTOOLS_PROG_DIFF
 418
 419
 420 dnl ** look for a decent parser generator (bison preferred)
 421 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 422 dnl  on the suitability of the 'yacc' returned.)
 423 FPTOOLS_PROG_YACCY
 424
 425 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 426 dnl     ( not that we care about the latter, see mk/config.mk.in )
 427 AC_PROG_LEX
 428
 429
 430 dnl ** figure out how to do a BSD-ish install
 431 AC_PROG_INSTALL
 432
 433 dnl If you can run configure, you certainly have /bin/sh
 434 AC_DEFINE(HAVE_BIN_SH)
 435
 436 dnl ** how to invoke `ar' and `ranlib'
 437 FPTOOLS_PROG_AR_AND_RANLIB
 438
 439
 440 dnl ** Check to see whether ln -s works
 441 AC_PROG_LN_S
 442
 443
 444 dnl ** Find the path to sed
 445 AC_PATH_PROG(SedCmd,sed)
 446
 447
 448 dnl ** check for time command
 449 AC_PATH_PROG(TimeCmd,time)
 450
 451
 452 dnl ** check for tar
 453 dnl   if GNU tar is named gtar, look for it first.
 454 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 455
 456 dnl ** check for gzip/compress
 457 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 458
 459 compress_nm=`basename $CompressCmd`
 460 if test x"$compress_nm" = xgzip; then
 461   CompressCmd="$CompressCmd -d"
 462   CompressSuffix="gz"
 463 else
 464   CompressSuffix="Z"
 465 fi
 466 AC_SUBST(CompressCmd)
 467 AC_SUBST(CompressSuffix)
 468
 469 dnl ** check for installed happy binary + version
 470 dnl    (don't do it if we're booting from .hc files though.)
 471 if (test "$BootingFromHc" = "NO"); then
 472 FPTOOLS_HAPPY
 473 fi;
 474
 475 dnl --------------------------------------------------
 476 dnl ### program checking section ends here ###
 477 dnl --------------------------------------------------
 478
 479 dnl --------------------------------------------------
 480 dnl * Platform header file and syscall feature tests
 481 dnl ### checking the state of the local header files and syscalls ###
 482
 483 dnl ** check for full ANSI header (.h) files
 484 AC_HEADER_STDC
 485
 486 dnl ** check for specific header (.h) files that we are interested in
 487 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)
 488
 489 dnl ** check for DOS include files
 490 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 491
 492 dnl ** check for Windows include files
 493 AC_CHECK_HEADERS(windows.h)
 494
 495 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 496 AC_HEADER_TIME
 497
 498 dnl dynamic loading include files
 499 AC_CHECK_HEADERS(dlfcn.h dl.h)
 500
 501 dnl ** check for farcalloc (in bcc)
 502 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 503
 504 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 505 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 506
 507 dnl ** how do we get a timezone name, and UTC offset ?
 508 AC_STRUCT_TIMEZONE
 509
 510 dnl ** what's the type of timezone?
 511 FPTOOLS_HAVE_TIMEZONE
 512 FPTOOLS_TYPE_TIMEZONE
 513
 514 dnl ** do we have altzone?
 515 FPTOOLS_ALTZONE
 516
 517 dnl ** does struct stat contain st_blksize?
 518 AC_STRUCT_ST_BLKSIZE
 519
 520 dnl ** what are the sizes of various types
 521 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 522 AC_CHECK_SIZEOF(unsigned int,4)
 523 AC_CHECK_SIZEOF(float,       4)
 524 AC_CHECK_SIZEOF(double,      8)
 525 AC_CHECK_SIZEOF(long,        4)
 526 AC_CHECK_SIZEOF(void *,      4)
 527
 528 dnl ** what are alignment constraints on various types
 529 FPTOOLS_CHECK_ALIGNMENT(unsigned int) dnl redundant but harmless
 530 FPTOOLS_CHECK_ALIGNMENT(long)
 531 FPTOOLS_CHECK_ALIGNMENT(float)
 532 FPTOOLS_CHECK_ALIGNMENT(double)
 533
 534 dnl ** do we have long longs?
 535 FPTOOLS_C_LONG_LONG
 536
 537 dnl ** can we open files in binary mode?
 538 FPTOOLS_O_BINARY
 539
 540 dnl ** check for GetModuleFileName and WinExec (windows only)
 541 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 542 dnl Doesn't work because the linker can't see the functions if
 543 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 544
 545 FPTOOLS_TRY_LINK_NOWARN(,[
 546 #if HAVE_WINDOWS_H
 547 #include <windows.h>
 548 #endif
 549 main() {
 550   WinExec("",0);
 551   exit(0);
 552 }
 553 ],
 554 [have_winexec=1],
 555 [have_winexec=0])
 556 if test "$have_winexec" = "1"; then
 557 AC_DEFINE(HAVE_WINEXEC)
 558 fi
 559
 560 FPTOOLS_TRY_LINK_NOWARN(,[
 561 #if HAVE_WINDOWS_H
 562 #include <windows.h>
 563 #endif
 564 main() {
 565   char* dir;
 566   GetModuleFileName((HMODULE)0,dir,0);
 567   exit(0);
 568 }
 569 ],
 570 [have_getmodulefilename=1],
 571 [have_getmodulefilename=0])
 572 if test "$have_getmodulefilename" = "1"; then
 573 AC_DEFINE(HAVE_GETMODULEFILENAME)
 574 fi
 575
 576 dnl ** check return type of signal handlers
 577 dnl Foo: assumes we can use prototypes.
 578 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 579 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 580 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 581 dnl #include <signal.h>
 582 dnl #ifdef signal
 583 dnl #undef signal
 584 dnl #endif
 585 dnl void (*signal (int, void (*)(int)))(int);
 586 dnl ],
 587 dnl [int i;],
 588 dnl ac_cv_type_signal_handler=void_int,
 589 dnl ac_cv_type_signal_handler=int_void)])
 590 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 591 dnl AC_DEFINE(VOID_INT_SIGNALS)
 592 dnl fi
 593
 594 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 595 AC_TYPE_SIGNAL
 596 if test "$ac_cv_type_signal" = void; then
 597 AC_DEFINE(VOID_INT_SIGNALS)
 598 fi
 599
 600 dnl ** check for more functions
 601 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 602 AC_CHECK_FUNCS(strcmp)
 603 AC_CHECK_FUNCS(realpath _fullpath)
 604 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 605 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 606 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 607 AC_CHECK_FUNCS(snprintf  _snprintf )
 608 AC_CHECK_FUNCS(popen     _popen )
 609 AC_CHECK_FUNCS(pclose    _pclose )
 610
 611
 612 dnl ** check for specific library functions that we are interested in
 613 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 614
 615 dnl ** check whether this machine has gmp2 installed
 616 AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 617   AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
 618     HaveLibGmp=No; LibGmp=not-installed))
 619 AC_SUBST(HaveLibGmp)
 620 AC_SUBST(LibGmp)
 621
 622 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 623 dnl    the order of these tests matters: bfd needs liberty
 624 AC_CHECK_LIB(iberty, xmalloc)
 625 AC_CHECK_LIB(bfd,    bfd_init)
 626
 627 dnl ** check for readline, for Hugs
 628 AC_CHECK_LIB(readline, readline,
 629 [
 630 AC_DEFINE(HAVE_LIBREADLINE,1)
 631 HaveLibReadline=YES
 632 ],
 633 [
 634 AC_DEFINE(HAVE_LIBREADLINE,0)
 635 HaveLibReadline=NO
 636 ],
 637 -ltermcap)
 638 AC_SUBST(HaveLibReadline)
 639
 640
 641 dnl ################################################################
 642 dnl Check for libraries
 643 dnl ################################################################
 644
 645 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
 646 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
 647 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 648
 649 dnl --------------------------------------------------
 650 dnl * Miscellaneous feature tests
 651 dnl --------------------------------------------------
 652
 653 dnl ** can we get alloca?
 654 AC_FUNC_ALLOCA
 655
 656 dnl ** determine whether or not const works
 657 AC_C_CONST
 658
 659 dnl ** determine whether ANSI-function prototypes work?
 660 AC_C_PROTOTYPES
 661
 662 dnl ** are we big endian?
 663 AC_C_BIGENDIAN
 664 # Allay users' general fear of warnings of any kind.
 665 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 666 )
 667
 668 dnl ** determine the return type of signal()
 669 AC_TYPE_SIGNAL
 670
 671 dnl ** check for leading underscores in symbol names
 672 FPTOOLS_UNDERSCORE
 673
 674 dnl ** how is the end of text section signalled?
 675 FPTOOLS_END_TEXT_SECTION
 676
 677 dnl ** how is the end of data section signalled?
 678 FPTOOLS_END_DATA_SECTION
 679
 680 dnl ** code before data?
 681 FPTOOLS_CODE_BEFORE_DATA
 682
 683 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 684
 685 echo ''
 686 echo '************************************************'
 687 echo '*** NOW DO: gmake boot followed by gmake all'
 688 echo '***         (where gmake == GNU make)'
 689 echo '************************************************'
 690 exit 0