configure.ac

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.ac | 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 * We require autoconf version 2.52
  20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  22 AC_PREREQ(2.52)
  23
  24 dnl * Declare subdirectories that have a private configure script
  25 dnl
  26 dnl After the toplevel configuration is complete, the script will recurse into
  27 dnl these subdirectories if they exist. The use of a cache file makes repeated
  28 dnl checks cheap.
  29 AC_CONFIG_SUBDIRS([ghc libraries])
  30
  31 # -------------------------------------------------------------------------
  32 # Prepare to generate the following header files
  33 #
  34 #
  35 AC_CONFIG_HEADER(mk/config.h)
  36
  37 # No, semi-sadly, we don't do `--srcdir'...
  38 if test x"$srcdir" != 'x.' ; then
  39     echo "This configuration does not support the \`--srcdir' option.."
  40     exit 1
  41 fi
  42
  43 dnl--------------------------------------------------------------------
  44 dnl * Choose host(/target/build) platform
  45 dnl--------------------------------------------------------------------
  46
  47 dnl Guess host/target/build platform(s) if necessary.
  48 AC_CANONICAL_SYSTEM
  49
  50 # "$host" defaults to "$target"
  51 if test "x$host" = xNONE ; then
  52     host=$target
  53 fi
  54
  55 dnl ** canonicalize platform names
  56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  59
  60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  61     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  62     exit 1
  63 fi
  64
  65 exeext=''
  66 #
  67 # The following will be more difficult when we *are* cross-compiling.
  68 # Suitable names to slam in *_CPP are in platform.h.in.
  69 # We also record the architecture, vendor, and operating system (OS)
  70 # separately.
  71 case $HostPlatform in
  72 alpha*-dec-osf[[12]]*)
  73         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  74         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  75         BuildPlatform=alpha-dec-osf1  # hack
  76         HostPlatform_CPP='alpha_dec_osf1'
  77         HostArch_CPP='alpha'
  78         HostVendor_CPP='dec'
  79         HostOS_CPP='osf1'
  80         ;;
  81 alpha*-dec-osf[[345]]*)
  82         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  83         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  84         BuildPlatform=alpha-dec-osf3  # hack
  85         HostPlatform_CPP='alpha_dec_osf3'
  86         HostArch_CPP='alpha'
  87         HostVendor_CPP='dec'
  88         HostOS_CPP='osf3'
  89         ;;
  90 alpha*-unknown-linux*)
  91         HostPlatform=alpha-unknown-linux
  92         TargetPlatform=alpha-unknown-linux
  93         BuildPlatform=alpha-unknown-linux
  94         HostPlatform_CPP='alpha_unknown_linux'
  95         HostArch_CPP='alpha'
  96         HostVendor_CPP='unknown'
  97         HostOS_CPP='linux'
  98         ;;
  99 alpha*-unknown-freebsd*)
 100         HostPlatform=alpha-unknown-freebsd
 101         TargetPlatform=alpha-unknown-freebsd
 102         BuildPlatform=alpha-unknown-freebsd
 103         HostPlatform_CPP='alpha_unknown_freebsd'
 104         HostArch_CPP='alpha'
 105         HostVendor_CPP='unknown'
 106         HostOS_CPP='freebsd'
 107         ;;
 108 alpha*-unknown-openbsd*)
 109         HostPlatform=alpha-unknown-openbsd
 110         TargetPlatform=alpha-unknown-openbsd
 111         BuildPlatform=alpha-unknown-openbsd
 112         HostPlatform_CPP='alpha_unknown_openbsd'
 113         HostArch_CPP='alpha'
 114         HostVendor_CPP='unknown'
 115         HostOS_CPP='openbsd'
 116         ;;
 117 amd64-*-openbsd*|x86_64-*-openbsd*)
 118         HostPlatform=x86_64-unknown-openbsd
 119         TargetPlatform=x86_64-unknown-openbsd
 120         BuildPlatform=x86_64-unknown-openbsd
 121         HostPlatform_CPP='x86_64_unknown_openbsd'
 122         HostArch_CPP='x86_64'
 123         HostVendor_CPP='unknown'
 124         HostOS_CPP='openbsd'
 125         ;;
 126 arm*-linux*)
 127         HostPlatform=arm-unknown-linux # hack again
 128         TargetPlatform=arm-unknown-linux
 129         BuildPlatform=arm-unknown-linux
 130         HostPlatform_CPP='arm_unknown_linux'
 131         HostArch_CPP='arm'
 132         HostVendor_CPP='unknown'
 133         HostOS_CPP='linux'
 134         ;;
 135 arm*-openbsd*)
 136         HostPlatform=arm-unknown-openbsd
 137         TargetPlatform=arm-unknown-openbsd
 138         BuildPlatform=arm-unknown-openbsd
 139         HostPlatform_CPP='arm_unknown_openbsd'
 140         HostArch_CPP='arm'
 141         HostVendor_CPP='unknown'
 142         HostOS_CPP='openbsd'
 143         ;;
 144 hppa*-*-linux*)
 145         HostPlatform=hppa-unknown-linux # hack again
 146         TargetPlatform=hppa-unknown-linux
 147         BuildPlatform=hppa-unknown-linux
 148         HostPlatform_CPP='hppa_unknown_linux'
 149         HostArch_CPP='hppa'
 150         HostVendor_CPP='unknown'
 151         HostOS_CPP='linux'
 152         ;;
 153 hppa*-*-openbsd*)
 154         HostPlatform=hppa-unknown-openbsd # hack again
 155         TargetPlatform=hppa-unknown-openbsd
 156         BuildPlatform=hppa-unknown-openbsd
 157         HostPlatform_CPP='hppa_unknown_openbsd'
 158         HostArch_CPP='hppa'
 159         HostVendor_CPP='unknown'
 160         HostOS_CPP='openbsd'
 161         ;;
 162 hppa1.1-hp-hpux*)
 163         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 164         TargetPlatform=hppa1.1-hp-hpux
 165         BuildPlatform=hppa1.1-hp-hpux
 166         HostPlatform_CPP='hppa1_1_hp_hpux'
 167         HostArch_CPP='hppa1_1'
 168         HostVendor_CPP='hp'
 169         HostOS_CPP='hpux'
 170         ;;
 171 i[[3456]]86-*-linuxaout*)
 172         HostPlatform=i386-unknown-linuxaout   # hack again
 173         TargetPlatform=i386-unknown-linuxaout
 174         BuildPlatform=i386-unknown-linuxaout
 175         HostPlatform_CPP='i386_unknown_linuxaout'
 176         HostArch_CPP='i386'
 177         HostVendor_CPP='unknown'
 178         HostOS_CPP='linuxaout'
 179         ;;
 180 i[[3456]]86-*-linux*)
 181         HostPlatform=i386-unknown-linux # hack again
 182         TargetPlatform=i386-unknown-linux
 183         BuildPlatform=i386-unknown-linux
 184         HostPlatform_CPP='i386_unknown_linux'
 185         HostArch_CPP='i386'
 186         HostVendor_CPP='unknown'
 187         HostOS_CPP='linux'
 188         ;;
 189 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 190         HostPlatform=i386-unknown-freebsd # hack again
 191         TargetPlatform=i386-unknown-freebsd
 192         BuildPlatform=i386-unknown-freebsd
 193         HostPlatform_CPP='i386_unknown_freebsd'
 194         HostArch_CPP='i386'
 195         HostVendor_CPP='unknown'
 196         HostOS_CPP='freebsd'
 197         ;;
 198 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 199         HostPlatform=i386-unknown-freebsd2 # hack again
 200         TargetPlatform=i386-unknown-freebsd2
 201         BuildPlatform=i386-unknown-freebsd2
 202         HostPlatform_CPP='i386_unknown_freebsd2'
 203         HostArch_CPP='i386'
 204         HostVendor_CPP='unknown'
 205         HostOS_CPP='freebsd2'
 206         ;;
 207 i[[3456]]86-*-netbsd*)
 208         HostPlatform=i386-unknown-netbsd # hack again
 209         TargetPlatform=i386-unknown-netbsd
 210         BuildPlatform=i386-unknown-netbsd
 211         HostPlatform_CPP='i386_unknown_netbsd'
 212         HostArch_CPP='i386'
 213         HostVendor_CPP='unknown'
 214         HostOS_CPP='netbsd'
 215         ;;
 216 i[[3456]]86-*-openbsd*)
 217         HostPlatform=i386-unknown-openbsd # hack again
 218         TargetPlatform=i386-unknown-openbsd
 219         BuildPlatform=i386-unknown-openbsd
 220         HostPlatform_CPP='i386_unknown_openbsd'
 221         HostArch_CPP='i386'
 222         HostVendor_CPP='unknown'
 223         HostOS_CPP='openbsd'
 224         ;;
 225 i[[3456]]86-*-solaris2*)
 226         HostPlatform=i386-unknown-solaris2 # hack again
 227         TargetPlatform=i386-unknown-solaris2
 228         BuildPlatform=i386-unknown-solaris2
 229         HostPlatform_CPP='i386_unknown_solaris2'
 230         HostArch_CPP='i386'
 231         HostVendor_CPP='unknown'
 232         HostOS_CPP='solaris2'
 233         ;;
 234 i[[3456]]86-*-cygwin*)
 235         HostPlatform=i386-unknown-cygwin32 # hack again
 236         TargetPlatform=i386-unknown-cygwin32
 237         BuildPlatform=i386-unknown-cygwin32
 238         HostPlatform_CPP='i386_unknown_cygwin32'
 239         HostArch_CPP='i386'
 240         HostVendor_CPP='unknown'
 241         HostOS_CPP='cygwin32'
 242         exeext='.exe'
 243         ;;
 244 i[[3456]]86-*-mingw32*)
 245         HostPlatform=i386-unknown-mingw32 # hack again
 246         TargetPlatform=i386-unknown-mingw32
 247         BuildPlatform=i386-unknown-mingw32
 248         HostPlatform_CPP='i386_unknown_mingw32'
 249         HostArch_CPP='i386'
 250         HostVendor_CPP='unknown'
 251         HostOS_CPP='mingw32'
 252         exeext='.exe'
 253         ;;
 254 ia64-*-linux*)
 255         HostPlatform=ia64-unknown-linux # hack again
 256         TargetPlatform=ia64-unknown-linux
 257         BuildPlatform=ia64-unknown-linux
 258         HostPlatform_CPP='ia64_unknown_linux'
 259         HostArch_CPP='ia64'
 260         HostVendor_CPP='unknown'
 261         HostOS_CPP='linux'
 262         ;;
 263 x86_64-*-linux*)
 264         HostPlatform=x86_64-unknown-linux
 265         TargetPlatform=x86_64-unknown-linux
 266         BuildPlatform=x86_64-unknown-linux
 267         HostPlatform_CPP='x86_64_unknown_linux'
 268         HostArch_CPP='x86_64'
 269         HostVendor_CPP='unknown'
 270         HostOS_CPP='linux'
 271         ;;
 272 m68k-*-linux*)
 273         HostPlatform=m68k-unknown-linux # hack again
 274         TargetPlatform=m68k-unknown-linux
 275         BuildPlatform=m68k-unknown-linux
 276         HostPlatform_CPP='m68k_unknown_linux'
 277         HostArch_CPP='m68k'
 278         HostVendor_CPP='unknown'
 279         HostOS_CPP='linux'
 280         ;;
 281 m68k-next-nextstep2)
 282         HostPlatform_CPP='m68k_next_nextstep2'
 283         HostArch_CPP='m68k'
 284         HostVendor_CPP='next'
 285         HostOS_CPP='nextstep2'
 286         ;;
 287 m68k-next-nextstep3)
 288         HostPlatform_CPP='m68k_next_nextstep3'
 289         HostArch_CPP='m68k'
 290         HostVendor_CPP='next'
 291         HostOS_CPP='nextstep3'
 292         ;;
 293 i[[3456]]86-next-nextstep3)
 294         HostPlatform=i386-next-nextstep3 # hack again
 295         TargetPlatform=i386-next-nextstep3
 296         BuildPlatform=i386-next-nextstep3
 297         HostPlatform_CPP='i386_next_nextstep3'
 298         HostArch_CPP='i386'
 299         HostVendor_CPP='next'
 300         HostOS_CPP='nextstep3'
 301         ;;
 302 m68k-*-openbsd*)
 303         HostPlatform=m68k-unknown-openbsd
 304         TargetPlatform=m68k-unknown-openbsd
 305         BuildPlatform=m68k-unknown-openbsd
 306         HostPlatform_CPP='m68k_unknown_openbsd'
 307         HostArch_CPP='m68k'
 308         HostVendor_CPP='unknown'
 309         HostOS_CPP='openbsd'
 310         ;;
 311 m68k-*-netbsd*)
 312         HostPlatform=m68k-unknown-netbsd
 313         TargetPlatform=m68k-unknown-netbsd
 314         BuildPlatform=m68k-unknown-netbsd
 315         HostPlatform_CPP='m68k_unknown_netbsd'
 316         HostArch_CPP='m68k'
 317         HostVendor_CPP='unknown'
 318         HostOS_CPP='netbsd'
 319         ;;
 320 m68k-sun-sunos4*)
 321         HostPlatform=m68k-sun-sunos4
 322         TargetPlatform=m68k-sun-sunos4 #hack
 323         BuildPlatform=m68k-sun-sunos4 #hack
 324         HostPlatform_CPP='m68k_sun_sunos4'
 325         HostArch_CPP='m68k'
 326         HostVendor_CPP='sun'
 327         HostOS_CPP='sunos4'
 328         ;;
 329 m88k-*-openbsd*)
 330         HostPlatform=m88k-unknown-openbsd
 331         TargetPlatform=m88k-unknown-openbsd
 332         BuildPlatform=m88k-unknown-openbsd
 333         HostPlatform_CPP='m88k_unknown_openbsd'
 334         HostArch_CPP='m88k'
 335         HostVendor_CPP='unknown'
 336         HostOS_CPP='openbsd'
 337         ;;
 338 mips-*-linux*)
 339         HostPlatform=mips-unknown-linux # hack again
 340         TargetPlatform=mips-unknown-linux
 341         BuildPlatform=mips-unknown-linux
 342         HostPlatform_CPP='mips_unknown_linux'
 343         HostArch_CPP='mips'
 344         HostVendor_CPP='unknown'
 345         HostOS_CPP='linux'
 346         ;;
 347 mips-dec-ultrix*)
 348         HostPlatform_CPP='mips_dec_ultrix'
 349         HostArch_CPP='mipsel'   # NB a little different
 350         HostVendor_CPP='dec'
 351         HostOS_CPP='ultrix'
 352         ;;
 353 mips-sgi-irix*)
 354         HostPlatform=mips-sgi-irix
 355         TargetPlatform=mips-sgi-irix #hack
 356         BuildPlatform=mips-sgi-irix #hack
 357         HostPlatform_CPP='mips_sgi_irix'
 358         HostArch_CPP='mipseb'   # NB a little different
 359         HostVendor_CPP='sgi'
 360         HostOS_CPP='irix'
 361         ;;
 362 rs6000-ibm-aix*)
 363         HostPlatform=rs6000-ibm-aix
 364         TargetPlatform=rs6000-ibm-aix #hack
 365         BuildPlatform=rs6000-ibm-aix #hack
 366         HostPlatform_CPP='rs6000_ibm_aix'
 367         HostArch_CPP='rs6000'
 368         HostVendor_CPP='ibm'
 369         HostOS_CPP='aix'
 370         ;;
 371 powerpc-ibm-aix*)
 372         HostPlatform=powerpc-ibm-aix
 373         TargetPlatform=powerpc-ibm-aix #hack
 374         BuildPlatform=powerpc-ibm-aix #hack
 375         HostPlatform_CPP='powerpc_ibm_aix'
 376         HostArch_CPP='powerpc'
 377         HostVendor_CPP='ibm'
 378         HostOS_CPP='aix'
 379         ;;
 380 powerpc-apple-darwin*)
 381         HostPlatform=powerpc-apple-darwin
 382         TargetPlatform=powerpc-apple-darwin #hack
 383         BuildPlatform=powerpc-apple-darwin #hack
 384         HostPlatform_CPP='powerpc_apple_darwin'
 385         HostArch_CPP='powerpc'
 386         HostVendor_CPP='apple'
 387         HostOS_CPP='darwin'
 388         ;;
 389 powerpc-unknown-linux*)
 390         HostPlatform=powerpc-unknown-linux
 391         TargetPlatform=powerpc-unknown-linux
 392         BuildPlatform=powerpc-unknown-linux
 393         HostPlatform_CPP='powerpc_unknown_linux'
 394         HostArch_CPP='powerpc'
 395         HostVendor_CPP='unknown'
 396         HostOS_CPP='linux'
 397         ;;
 398 powerpc-unknown-openbsd*)
 399         HostPlatform=powerpc-unknown-openbsd
 400         TargetPlatform=powerpc-unknown-openbsd
 401         BuildPlatform=powerpc-unknown-openbsd
 402         HostPlatform_CPP='powerpc_unknown_openbsd'
 403         HostArch_CPP='powerpc'
 404         HostVendor_CPP='unknown'
 405         HostOS_CPP='openbsd'
 406         ;;
 407 s390-ibm-linux*)
 408        HostPlatform=s390-ibm-linux
 409        TargetPlatform=s390-ibm-linux #hack
 410        BuildPlatform=s390-ibm-linux #hack
 411         HostPlatform_CPP='s390_ibm_linux'
 412         HostArch_CPP='s390'
 413         HostVendor_CPP='ibm'
 414         HostOS_CPP='linux'
 415         ;;
 416 sparc-sun-sunos4*)
 417         HostPlatform=sparc-sun-sunos4
 418         TargetPlatform=sparc-sun-sunos4 #hack
 419         BuildPlatform=sparc-sun-sunos4 #hack
 420         HostPlatform_CPP='sparc_sun_sunos4'
 421         HostArch_CPP='sparc'
 422         HostVendor_CPP='sun'
 423         HostOS_CPP='sunos4'
 424         ;;
 425 sparc-sun-solaris2*)
 426         HostPlatform=sparc-sun-solaris2
 427         TargetPlatform=sparc-sun-solaris2 #hack
 428         BuildPlatform=sparc-sun-solaris2 #hack
 429         HostPlatform_CPP='sparc_sun_solaris2'
 430         HostArch_CPP='sparc'
 431         HostVendor_CPP='sun'
 432         HostOS_CPP='solaris2'
 433         ;;
 434 sparc*-linux*)
 435         HostPlatform=sparc-unknown-linux
 436         TargetPlatform=sparc-unknown-linux
 437         BuildPlatform=sparc-unknown-linux
 438         HostPlatform_CPP='sparc_unknown_linux'
 439         HostArch_CPP='sparc'
 440         HostVendor_CPP='unknown'
 441         HostOS_CPP='linux'
 442         ;;
 443 sparc-*-openbsd*)
 444         HostPlatform=sparc-unknown-openbsd
 445         TargetPlatform=sparc-unknown-openbsd
 446         BuildPlatform=sparc-unknown-openbsd
 447         HostPlatform_CPP='sparc_unknown_openbsd'
 448         HostArch_CPP='sparc'
 449         HostVendor_CPP='unknown'
 450         HostOS_CPP='openbsd'
 451         ;;
 452 sparc64-*-openbsd*)
 453         HostPlatform=sparc64-unknown-openbsd
 454         TargetPlatform=sparc64-unknown-openbsd
 455         BuildPlatform=sparc64-unknown-openbsd
 456         HostPlatform_CPP='sparc64_unknown_openbsd'
 457         HostArch_CPP='sparc64'
 458         HostVendor_CPP='unknown'
 459         HostOS_CPP='openbsd'
 460         ;;
 461 vax-*-openbsd*)
 462         HostPlatform=vax-unknown-openbsd
 463         TargetPlatform=vax-unknown-openbsd
 464         BuildPlatform=vax-unknown-openbsd
 465         HostPlatform_CPP='vax_unknown_openbsd'
 466         HostArch_CPP='vax'
 467         HostVendor_CPP='unknown'
 468         HostOS_CPP='openbsd'
 469         ;;
 470 *)
 471         echo "Unrecognised platform: $HostPlatform"
 472         exit 1
 473         ;;
 474 esac
 475 echo "Canonicalised to: $HostPlatform"
 476 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 477 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 478
 479 BuildPlatform_CPP=$HostPlatform_CPP
 480 TargetPlatform_CPP=$HostPlatform_CPP
 481 BuildArch_CPP=$HostArch_CPP
 482 TargetArch_CPP=$HostArch_CPP
 483 BuildOS_CPP=$HostOS_CPP
 484 HostOS_Full=$host_os
 485 TargetOS_CPP=$HostOS_CPP
 486 BuildVendor_CPP=$HostVendor_CPP
 487 TargetVendor_CPP=$HostVendor_CPP
 488
 489 AC_SUBST(BuildPlatform)
 490 AC_SUBST(HostPlatform)
 491 AC_SUBST(TargetPlatform)
 492 AC_SUBST(HostPlatform_CPP)
 493 AC_SUBST(BuildPlatform_CPP)
 494 AC_SUBST(TargetPlatform_CPP)
 495
 496 AC_SUBST(HostArch_CPP)
 497 AC_SUBST(BuildArch_CPP)
 498 AC_SUBST(TargetArch_CPP)
 499
 500 AC_SUBST(HostOS_CPP)
 501 AC_SUBST(HostOS_Full)
 502 AC_SUBST(BuildOS_CPP)
 503 AC_SUBST(TargetOS_CPP)
 504
 505 AC_SUBST(HostVendor_CPP)
 506 AC_SUBST(BuildVendor_CPP)
 507 AC_SUBST(TargetVendor_CPP)
 508
 509 AC_SUBST(exeext)
 510
 511 dnl --------------------------------------------------------------
 512 dnl * Calculate absolute path to build tree
 513 dnl --------------------------------------------------------------
 514
 515 AC_MSG_CHECKING(for path to top of build tree)
 516
 517 hardtop=`pwd`
 518
 519 dnl Remove common automounter nonsense
 520 dnl
 521 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 522
 523 dnl Find 'hardtop_plat', the native format for 'hardtop'
 524 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
 525 dnl
 526 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
 527 dnl              but we must not do that if we aren't building using Cygwin (notably msys),
 528 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin'
 529 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
 530 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
 531 dnl
 532 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
 533 dnl              about setting that correctly at the moment, so we just work around for now.
 534 dnl
 535 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
 536 dnl              is not set.
 537 case $HostPlatform in
 538   i386-unknown-mingw32 | i386-unknown-cygwin32)
 539         if test "${OSTYPE}" != "msys"
 540           then
 541             # convert $hardtop to a path that mingw will understand too
 542             cyghardtop=${hardtop}
 543             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 544             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 545           else
 546             hardtop_plat=${hardtop}
 547         fi
 548         ;;
 549   *)
 550         hardtop_plat=${hardtop}
 551         ;;
 552 esac
 553 AC_SUBST(hardtop)
 554 AC_SUBST(hardtop_plat)
 555
 556 AC_MSG_RESULT(${hardtop})
 557
 558 dnl --------------------------------------------------------------
 559 dnl * Project specific configuration options
 560 dnl --------------------------------------------------------------
 561 dnl What follows is a bunch of options that can either be configured
 562 dnl through command line options to the configure script or by
 563 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 564 dnl use either is considered a Feature.
 565
 566 dnl ** What command to use to compile compiler sources ?
 567 dnl --------------------------------------------------------------
 568
 569 AC_ARG_WITH(ghc,
 570 [AC_HELP_STRING([--with-ghc=ARG],
 571         [Use ARG as the path to GHC  [default=autodetect]])],
 572 [ WithGhc="$withval" ],
 573 [
 574   if test "$GHC" = ""; then
 575     AC_PATH_PROG(GHC,ghc)
 576   fi
 577   WithGhc=$GHC
 578 ])
 579 AC_SUBST(WithGhc)
 580
 581 AC_ARG_WITH(hc,
 582 [AC_HELP_STRING([--with-hc=ARG],
 583         [Use ARG as the path to the compiler for compiling ordinary
 584          Haskell code  (default= value of --with-ghc)])],
 585 [WithHc="$withval"],
 586 [WithHc=$WithGhc]
 587 )
 588 AC_SUBST(WithHc)
 589
 590 if test "$WithGhc" != ""; then
 591   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 592   AC_SUBST(GhcVersion)dnl
 593   AC_SUBST(GhcMajVersion)dnl
 594   AC_SUBST(GhcMinVersion)dnl
 595   AC_SUBST(GhcPatchLevel)dnl
 596 fi
 597
 598 AC_PATH_PROGS(NHC,nhc nhc98)
 599 AC_PATH_PROG(HBC,hbc)
 600
 601 dnl ** Which gcc to use?
 602 dnl --------------------------------------------------------------
 603 AC_ARG_WITH(gcc,
 604 [AC_HELP_STRING([--with-gcc=ARG],
 605         [Use ARG as the path to GCC  [default=autodetect]])],
 606 [WhatGccIsCalled="$withval"
 607  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 608     then
 609        if test "${OSTYPE}" != "msys"
 610          then
 611          # Canonicalise to <drive>:/path/to/gcc
 612          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 613        fi
 614  fi;
 615  CC="$withval"],
 616 [WhatGccIsCalled="gcc"]
 617 )
 618 AC_SUBST(WhatGccIsCalled)
 619
 620 dnl ** Booting from .hc files?
 621 dnl --------------------------------------------------------------
 622 AC_ARG_ENABLE(hc-boot,
 623 [AC_HELP_STRING([--enable-hc-boot],
 624 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 625  (This option is mostly of interest to porters.) [default=no]])],
 626 [ if test x"$enableval" = x"yes"; then
 627         BootingFromHc=YES
 628   else
 629         BootingFromHc=NO
 630   fi
 631 ],
 632 [BootingFromHc=NO]
 633 )
 634 AC_SUBST(BootingFromHc)
 635
 636 dnl ** Booting from unregisterised .hc files?
 637 dnl --------------------------------------------------------------
 638 AC_ARG_ENABLE(hc-boot-unregisterised,
 639 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 640 [ With --enable-hc-boot, treat the intermediate .hc files as
 641  unregisterised rather than registerised code.
 642  (This option is mostly of interest to porters.) [default=no]])],
 643 [ if test x"$enableval" = x"yes"; then
 644         BootingFromUnregisterisedHc=YES
 645   else
 646         BootingFromUnregisterisedHc=NO
 647   fi
 648 ],
 649 [BootingFromUnregisterisedHc=NO]
 650 )
 651 AC_SUBST(BootingFromUnregisterisedHc)
 652
 653 if test "$BootingFromHc" = "NO"; then
 654 if test "$BootingFromUnregisterisedHc" = "YES"; then
 655 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 656 fi;
 657 fi;
 658
 659 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 660 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 661 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 662 fi;
 663
 664 dnl ** --enable-threaded-rts (not used any more)
 665 dnl --------------------------------------------------------------
 666 AC_ARG_ENABLE(threaded-rts,
 667 [AC_HELP_STRING([--enable-threaded-rts],
 668 [DEPRECATED (backwards compatibility only). [default=no]])],
 669 [ if test x"$enableval" = x"yes"; then
 670         ThreadedRts=YES
 671   else
 672         ThreadedRts=NO
 673   fi
 674 ],
 675 [ThreadedRts=NO]
 676 )
 677 AC_SUBST(ThreadedRts)
 678
 679 dnl ** Enable the construction of Win32 DLLs?
 680 dnl --------------------------------------------------------------
 681 dnl
 682 dnl [ The ability to build the RTS and libraries as separate DLLs used
 683 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 684 dnl   and build system would be required to bring it back again.)
 685 dnl   Hence, exposing it as an option is false advertisement, so better
 686 dnl   disable it to avoid confusion (but leave it commented-out rather
 687 dnl   than removed in order to remind ourselves to bring back the
 688 dnl   feature at some stage.) ]
 689 dnl
 690 dnl AC_ARG_ENABLE(win32-dlls,
 691 dnl [  --enable-win32-dlls
 692 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 693 dnl     construction of DLLs containing ghc-compiled code.
 694 dnl ],
 695 dnl [
 696 dnl case $HostOS_CPP in
 697 dnl cygwin32) ;;
 698 dnl mingw32)  ;;
 699 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 700 dnl       exit 1
 701 dnl       ;;
 702 dnl esac
 703 dnl EnableWin32DLLs=YES
 704 dnl ],
 705 dnl [EnableWin32DLLs=NO]
 706 dnl )
 707 dnl AC_SUBST(EnableWin32DLLs)
 708 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 709 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 710 dnl fi
 711
 712 dnl ** Enable the building of the ObjectIO?
 713 dnl --------------------------------------------------------------
 714 AC_ARG_ENABLE(objectio,
 715 [AC_HELP_STRING([--enable-objectio],
 716 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 717 [ if test x"$enableval" = x"yes"; then
 718         GhcLibsWithObjectIO=YES
 719   else
 720         GhcLibsWithObjectIO=NO
 721   fi
 722 ],
 723 [GhcLibsWithObjectIO=NO]
 724 )
 725 AC_SUBST(GhcLibsWithObjectIO)
 726
 727 dnl ** Enable the building of the OpenAL binding?
 728 dnl --------------------------------------------------------------
 729 AC_ARG_ENABLE([openal],
 730   AC_HELP_STRING([--enable-openal],
 731                  [Build OpenAL binding [[default=autodetect]]]),
 732   [ if test x"$enableval" = x"yes"; then
 733         GhcLibsWithOpenAL=YES
 734     else
 735         GhcLibsWithOpenAL=NO
 736     fi
 737   ],
 738   [GhcLibsWithOpenAL=yes])
 739
 740 AC_SUBST([GhcLibsWithOpenAL])
 741
 742 dnl ** .NET interop support?
 743 dnl --------------------------------------------------------------
 744 AC_ARG_ENABLE(dotnet,
 745 [AC_HELP_STRING([--enable-dotnet],
 746 [Build .NET interop layer. [default=no]])],
 747 [ if test x"$enableval" = x"yes"; then
 748         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 749   else
 750         DotnetSupport=NO
 751   fi],
 752 [DotnetSupport=NO]
 753 )
 754 AC_SUBST(DotnetSupport)
 755
 756 dnl --------------------------------------------------------------
 757 dnl End of configure script option section
 758 dnl --------------------------------------------------------------
 759
 760
 761 dnl --------------------------------------------------------------
 762 dnl * General configuration checks
 763 dnl --------------------------------------------------------------
 764
 765 dnl ** Can the unix package be built?
 766 dnl --------------------------------------------------------------
 767
 768 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 769    GhcLibsWithUnix=NO
 770 else
 771    GhcLibsWithUnix=YES
 772 fi
 773 AC_SUBST([GhcLibsWithUnix])
 774
 775 dnl ** does #! work?
 776 AC_SYS_INTERPRETER()
 777
 778 dnl ** look for `perl', but only in /bin on Windows
 779 case $HostOS_CPP in
 780 cygwin32|mingw32)
 781       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 782       if test -z "$PerlCmd"; then
 783          echo "You must install the version of Perl shipped with GHC"
 784          echo "(or a compatible one) in /bin."
 785          exit 1
 786       fi
 787    ;;
 788 *)
 789    AC_PATH_PROG(PerlCmd,perl)
 790    if test -z "$PerlCmd"; then
 791       echo "You must install perl before you can continue"
 792       echo "Perhaps it is already installed, but not in your PATH?"
 793       exit 1
 794    else
 795    FPTOOLS_CHECK_PERL_VERSION
 796    fi
 797    ;;
 798 esac
 799
 800 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 801 FPTOOLS_SHEBANG_PERL
 802
 803 dnl ** check for Python
 804 AC_PATH_PROG(PythonCmd,python)
 805
 806 dnl ** look for GCC and find out which version
 807 dnl     Figure out which C compiler to use.  Gcc is preferred.
 808 dnl     If gcc, make sure it's at least 2.1
 809 dnl
 810 AC_PROG_CC
 811 FPTOOLS_HAVE_GCC
 812 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 813
 814 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 815 AC_PROG_CPP
 816
 817 dnl ** Without optimization some INLINE trickery fails for GHCi
 818 SRC_CC_OPTS="-O"
 819
 820 dnl ** Try to add -mno-cygwin to the C compiler options
 821 FP_CHECK_FLAG([-mno-cygwin], [
 822 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 823 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 824 AC_SUBST(SRC_CC_OPTS)
 825
 826 dnl ** figure out how to do context diffs
 827 FP_PROG_CONTEXT_DIFF
 828
 829 dnl ** Find find command (for Win32's benefit)
 830 FP_PROG_FIND
 831
 832 dnl ** figure out how to do a BSD-ish install
 833 AC_PROG_INSTALL
 834
 835 dnl If you can run configure, you certainly have /bin/sh
 836 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 837
 838 dnl ** how to invoke `ar' and `ranlib'
 839 FP_PROG_AR_NEEDS_RANLIB
 840 FP_PROG_AR_SUPPORTS_INPUT
 841
 842 dnl ** Check to see whether ln -s works
 843 AC_PROG_LN_S
 844
 845
 846 dnl ** Find the path to sed
 847 AC_PATH_PROG(SedCmd,sed)
 848
 849
 850 dnl ** check for time command
 851 AC_PATH_PROG(TimeCmd,time)
 852
 853 dnl ** check for tar
 854 dnl   if GNU tar is named gtar, look for it first.
 855 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 856
 857 dnl ** check for DocBook toolchain
 858 FP_CHECK_DOCBOOK_DTD
 859 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
 860 FP_PROG_FO_PROCESSOR
 861
 862 dnl ** check for ghc-pkg command
 863 changequote(, )dnl
 864 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 865 changequote([, ])dnl
 866 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 867    GhcPkgCmd=$ghc_pkg_guess
 868    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 869 else
 870    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 871 fi
 872
 873 AC_ARG_WITH(greencard,
 874 [AC_HELP_STRING([--with-greencard=ARG],
 875         [Use ARG as the path to greencard  [default=autodetct]])],
 876 [
 877 GreenCardCmd=$withval;
 878 FPTOOLS_GREENCARD(3.00)
 879 ]
 880 )
 881
 882 AC_ARG_ENABLE(src-tree-happy,
 883 [AC_HELP_STRING([--enable-src-tree-happy],
 884         [Build and use source tree (fptools/happy) version of Happy.
 885          [default=autodetect]])],
 886 [ if test x"$enableval" = x"yes"; then
 887         UseSrcTreeHappy=YES
 888   else
 889         UseSrcTreeHappy=NO
 890   fi
 891 ],
 892 [UseSrcTreeHappy=NO]
 893 )
 894 dnl ** check for installed happy binary + version
 895 dnl    (don't do it if we're booting from .hc files though.)
 896 if test "$BootingFromHc" = "NO"; then
 897 FPTOOLS_HAPPY
 898 fi;
 899
 900 AC_ARG_ENABLE(src-tree-haddock,
 901 [AC_HELP_STRING([--enable-src-tree-haddock],
 902         [Build and use source tree (fptools/haddock) version of Haddock.
 903          [default=autodetect]])],
 904 [ if test x"$enableval" = x"yes"; then
 905         UseSrcTreeHaddock=YES
 906   else
 907         UseSrcTreeHaddock=NO
 908   fi
 909 ],
 910 [UseSrcTreeHaddock=NO]
 911 )
 912 dnl ** check for installed haddock
 913 FPTOOLS_HADDOCK
 914
 915 AC_ARG_ENABLE(src-tree-alex,
 916 [AC_HELP_STRING([--enable-src-tree-alex],
 917         [Build and use source tree (fptools/alex) version of Alex.
 918          [default=autodetect]])],
 919 [ if test x"$enableval" = x"yes"; then
 920         UseSrcTreeAlex=YES
 921   else
 922         UseSrcTreeAlex=NO
 923   fi
 924 ],
 925 [UseSrcTreeAlex=NO]
 926 )
 927 dnl ** check for installed alex binary + version
 928 dnl    (don't do it if we're booting from .hc files though.)
 929 if test "$BootingFromHc" = "NO"; then
 930 FPTOOLS_ALEX
 931 fi;
 932
 933 dnl --------------------------------------------------
 934 dnl ### program checking section ends here ###
 935 dnl --------------------------------------------------
 936
 937 dnl --------------------------------------------------
 938 dnl * Platform header file and syscall feature tests
 939 dnl ### checking the state of the local header files and syscalls ###
 940
 941 dnl ** check for full ANSI header (.h) files
 942 AC_HEADER_STDC
 943
 944 dnl ** Enable large file support.  NB. do this before testing the type of
 945 dnl    off_t, because it will affect the result of that test.
 946 AC_SYS_LARGEFILE
 947
 948 dnl ** check for specific header (.h) files that we are interested in
 949 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h locale.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
 950 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 951
 952 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 953 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 954
 955 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 956   GhcLibsWithReadline=YES
 957   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 958 else
 959   GhcLibsWithReadline=NO
 960   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 961 fi
 962 AC_SUBST(GhcLibsWithReadline)
 963
 964 dnl ** check for DOS include files
 965 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 966
 967 dnl ** check for Windows include files
 968 AC_CHECK_HEADERS(windows.h)
 969
 970 dnl ** check for OpenGL/GLUT include paths and libraries
 971 FP_CHECK_GLUT
 972
 973 if test x"$no_GLU" = xyes; then
 974   GhcLibsWithOpenGL=NO
 975 else
 976   GhcLibsWithOpenGL=YES
 977 fi
 978 AC_SUBST([GhcLibsWithOpenGL])
 979
 980 if test x"$no_GLUT" = xyes; then
 981   GhcLibsWithGLUT=NO
 982 else
 983   GhcLibsWithGLUT=YES
 984 fi
 985 AC_SUBST([GhcLibsWithGLUT])
 986
 987 dnl ** check for OpenGL include files
 988 fp_save_cppflags="$CPPFLAGS"
 989 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 990 if test x"$use_quartz_opengl" = xyes; then
 991   AC_CHECK_HEADERS([OpenGL/gl.h])
 992 else
 993   AC_CHECK_HEADERS([GL/gl.h])
 994 fi
 995 CPPFLAGS="$fp_save_cppflags"
 996
 997 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 998 AC_HEADER_TIME
 999
1000 dnl dynamic loading include files
1001 AC_CHECK_HEADERS(dlfcn.h dl.h)
1002
1003 dnl ** check for farcalloc (in bcc)
1004 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
1005
1006 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
1007 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
1008
1009 dnl ** check for POSIX regex
1010 HavePosixRegex=NO
1011 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
1012 AC_SUBST(HavePosixRegex)
1013
1014 dnl ** how do we get a timezone name, and UTC offset ?
1015 AC_STRUCT_TIMEZONE
1016
1017 dnl ** do we have altzone?
1018 FP_DECL_ALTZONE
1019
1020 dnl ** does struct stat contain st_blksize?
1021 AC_STRUCT_ST_BLKSIZE
1022
1023 dnl ** do we have long longs?
1024 AC_CHECK_TYPES([long long])
1025
1026 dnl ** check what fields struct msghdr contains
1027 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
1028 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
1029 # include <sys/types.h>
1030 #endif
1031 #if HAVE_SYS_SOCKET_H
1032 # include <sys/socket.h>
1033 #endif
1034 #if HAVE_SYS_UIO_H
1035 # include <sys/uio.h>
1036 #endif])
1037
1038 dnl ** what are the sizes of various types
1039 AC_CHECK_SIZEOF(char,               1)
1040 AC_CHECK_SIZEOF(double,             8)
1041 AC_CHECK_SIZEOF(float,              4)
1042 AC_CHECK_SIZEOF(int,                4)
1043 AC_CHECK_SIZEOF(long,               4)
1044 if test "$ac_cv_type_long_long" = yes; then
1045 AC_CHECK_SIZEOF(long long,          8)
1046 fi
1047 AC_CHECK_SIZEOF(short,              2)
1048 AC_CHECK_SIZEOF(unsigned char,      1)
1049 AC_CHECK_SIZEOF(unsigned int,       4)
1050 AC_CHECK_SIZEOF(unsigned long,      4)
1051 if test "$ac_cv_type_long_long" = yes; then
1052 AC_CHECK_SIZEOF(unsigned long long, 8)
1053 fi
1054 AC_CHECK_SIZEOF(unsigned short,     2)
1055 AC_CHECK_SIZEOF(void *,             4)
1056
1057 dnl ** what are alignment constraints on various types
1058 FP_CHECK_ALIGNMENT(char)
1059 FP_CHECK_ALIGNMENT(double)
1060 FP_CHECK_ALIGNMENT(float)
1061 FP_CHECK_ALIGNMENT(int)
1062 FP_CHECK_ALIGNMENT(long)
1063 if test "$ac_cv_type_long_long" = yes; then
1064 FP_CHECK_ALIGNMENT(long long)
1065 fi
1066 FP_CHECK_ALIGNMENT(short)
1067 FP_CHECK_ALIGNMENT(unsigned char)
1068 FP_CHECK_ALIGNMENT(unsigned int)
1069 FP_CHECK_ALIGNMENT(unsigned long)
1070 if test "$ac_cv_type_long_long" = yes; then
1071 FP_CHECK_ALIGNMENT(unsigned long long)
1072 fi
1073 FP_CHECK_ALIGNMENT(unsigned short)
1074 FP_CHECK_ALIGNMENT(void *)
1075
1076 dnl ** map standard C types and ISO types to Haskell types
1077 FPTOOLS_CHECK_HTYPE(char)
1078 FPTOOLS_CHECK_HTYPE(signed char)
1079 FPTOOLS_CHECK_HTYPE(unsigned char)
1080 FPTOOLS_CHECK_HTYPE(short)
1081 FPTOOLS_CHECK_HTYPE(unsigned short)
1082 FPTOOLS_CHECK_HTYPE(int)
1083 FPTOOLS_CHECK_HTYPE(unsigned int)
1084 FPTOOLS_CHECK_HTYPE(long)
1085 FPTOOLS_CHECK_HTYPE(unsigned long)
1086 if test "$ac_cv_type_long_long" = yes; then
1087 FPTOOLS_CHECK_HTYPE(long long)
1088 FPTOOLS_CHECK_HTYPE(unsigned long long)
1089 fi
1090 FPTOOLS_CHECK_HTYPE(float)
1091 FPTOOLS_CHECK_HTYPE(double)
1092 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1093 FPTOOLS_CHECK_HTYPE(size_t)
1094 FPTOOLS_CHECK_HTYPE(wchar_t)
1095 dnl Int32 is a HACK for non-ISO C compilers
1096 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1097 FPTOOLS_CHECK_HTYPE(clock_t)
1098 FPTOOLS_CHECK_HTYPE(time_t)
1099 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1100 FPTOOLS_CHECK_HTYPE(ino_t)
1101 FPTOOLS_CHECK_HTYPE(mode_t)
1102 FPTOOLS_CHECK_HTYPE(off_t)
1103 FPTOOLS_CHECK_HTYPE(pid_t)
1104 FPTOOLS_CHECK_HTYPE(gid_t)
1105 FPTOOLS_CHECK_HTYPE(uid_t)
1106 FPTOOLS_CHECK_HTYPE(cc_t)
1107 FPTOOLS_CHECK_HTYPE(speed_t)
1108 FPTOOLS_CHECK_HTYPE(tcflag_t)
1109 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1110 FPTOOLS_CHECK_HTYPE(nlink_t)
1111 FPTOOLS_CHECK_HTYPE(ssize_t)
1112 FPTOOLS_CHECK_HTYPE(rlim_t)
1113 FPTOOLS_CHECK_HTYPE(wint_t)
1114
1115 dnl ** Map OpenGL data types to Haskell types
1116 if test $GhcLibsWithOpenGL = YES ; then
1117 FPTOOLS_CHECK_HTYPE(GLboolean)
1118 FPTOOLS_CHECK_HTYPE(GLbyte)
1119 FPTOOLS_CHECK_HTYPE(GLubyte)
1120 FPTOOLS_CHECK_HTYPE(GLshort)
1121 FPTOOLS_CHECK_HTYPE(GLushort)
1122 FPTOOLS_CHECK_HTYPE(GLint)
1123 FPTOOLS_CHECK_HTYPE(GLuint)
1124 FPTOOLS_CHECK_HTYPE(GLsizei)
1125 FPTOOLS_CHECK_HTYPE(GLenum)
1126 FPTOOLS_CHECK_HTYPE(GLbitfield)
1127 FPTOOLS_CHECK_HTYPE(GLfloat)
1128 FPTOOLS_CHECK_HTYPE(GLclampf)
1129 FPTOOLS_CHECK_HTYPE(GLdouble)
1130 FPTOOLS_CHECK_HTYPE(GLclampd)
1131 fi
1132
1133 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
1134 #include <errno.h>])
1135
1136 dnl ** can we open files in binary mode?
1137 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1138
1139 FP_CHECK_FUNC([WinExec],
1140   [@%:@include <windows.h>], [WinExec("",0)])
1141
1142 FP_CHECK_FUNC([GetModuleFileName],
1143   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1144
1145 dnl ** check return type of signal handlers
1146 dnl Foo: assumes we can use prototypes.
1147 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1148 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1149 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1150 dnl #include <signal.h>
1151 dnl #ifdef signal
1152 dnl #undef signal
1153 dnl #endif
1154 dnl void (*signal (int, void (*)(int)))(int);
1155 dnl ],
1156 dnl [int i;],
1157 dnl ac_cv_type_signal_handler=void_int,
1158 dnl ac_cv_type_signal_handler=int_void)])
1159 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1160 dnl AC_DEFINE(VOID_INT_SIGNALS)
1161 dnl fi
1162
1163 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1164 AC_TYPE_SIGNAL
1165 if test "$ac_cv_type_signal" = void; then
1166   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1167 fi
1168
1169 dnl ** check for more functions
1170 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1171 AC_CHECK_FUNCS(strcmp)
1172 AC_CHECK_FUNCS(realpath _fullpath)
1173 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1174 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1175 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1176 AC_CHECK_FUNCS(snprintf  _snprintf )
1177 AC_CHECK_FUNCS(popen     _popen )
1178 AC_CHECK_FUNCS(pclose    _pclose )
1179 AC_CHECK_FUNCS(setenv unsetenv)
1180
1181
1182 dnl ** check for specific library functions that we are interested in
1183 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1184
1185 dnl ** Solaris2 needs additionl flag for getpw*_r()
1186 case "$TargetPlatform" in
1187   *-solaris2*)
1188     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1189     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1190   ;;
1191 esac
1192
1193 dnl ** check whether this machine has gmp3 installed
1194 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1195   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1196     HaveLibGmp=NO; LibGmp=not-installed))
1197 AC_SUBST(HaveLibGmp)
1198 AC_SUBST(LibGmp)
1199
1200 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1201 HaveFrameworkHaskellSupport=NO
1202 if test $HostPlatform = "powerpc-apple-darwin"; then
1203  AC_MSG_CHECKING([for HaskellSupport.framework])
1204  save_libs="$LIBS"
1205  LIBS="-framework HaskellSupport"
1206  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1207  if test $HaveFrameworkHaskellSupport = YES; then
1208   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1209  fi;
1210  LIBS="$save_libs"
1211  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1212 fi;
1213 AC_SUBST(HaveFrameworkHaskellSupport)
1214
1215 dnl ** check for mingwex library
1216 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1217 AC_SUBST(HaveLibMingwEx)
1218
1219 if test $HaveLibMingwEx = YES ; then
1220   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1221 fi
1222
1223 if test "$HaveLibGmp" = "NO"; then
1224 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1225 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1226 fi;
1227 fi;
1228
1229 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1230 dnl    the order of these tests matters: bfd needs liberty
1231 AC_CHECK_LIB(iberty, xmalloc)
1232 AC_CHECK_LIB(bfd,    bfd_init)
1233
1234 dnl ** check for wide-char classifications
1235 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1236 dnl functions if it's really there.
1237 AC_CHECK_HEADERS(wctype.h,
1238   [AC_CHECK_FUNCS(iswspace)]
1239 )
1240
1241 dnl ** check for readline, for Hugs and hslibs' Readline
1242 dnl ncurses supersedes termcap and curses, but for compatibility,
1243 dnl we have to check for all...
1244 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1245   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1246     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1247       HaveLibTermcap=NO; LibTermcap=not-installed)))
1248
1249 if test $HaveLibTermcap = YES ; then
1250   LIBS="-l$LibTermcap $LIBS"
1251   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1252 fi
1253
1254 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1255   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1256   LibsReadline="readline $LibTermcap"
1257 else
1258   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1259   LibsReadline=
1260 fi
1261 AC_SUBST(LibsReadline)
1262
1263 if test "$HaveLibReadline"; then
1264   AC_CHECK_LIB(readline, rl_erase_empty_line,
1265     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1266     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1267   AC_CHECK_LIB(readline, rl_free_undo_list,
1268     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1269     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1270 else
1271   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1272   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1273 fi
1274
1275 dnl ** check for math library
1276 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1277 AC_SUBST([LIBM])
1278
1279 dnl ** check for X Window System
1280 AC_PATH_XTRA()
1281
1282 if test "$no_x" = yes; then
1283   GhcLibsWithX11=NO
1284 else
1285   GhcLibsWithX11=YES
1286 fi
1287 AC_SUBST([GhcLibsWithX11])
1288
1289 dnl ################################################################
1290 dnl Check for libraries
1291 dnl ################################################################
1292
1293 dnl ** check for libdl & RTLD_NEXT
1294
1295 dnl (Mac OS X only) ... but don't check if we already have the
1296 dnl HaskellSupport.framework
1297
1298 if test $HaveFrameworkHaskellSupport = YES; then
1299     HaveLibDL=NO
1300     HaveRtldNext=NO
1301     HaveRtldLocal=YES
1302     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1303     HaveRtldGlobal=YES
1304     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1305     HaveRtldNow=YES
1306     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1307     AC_SUBST(HaveLibDL)
1308     AC_SUBST(HaveRtldNext)
1309     AC_SUBST(HaveRtldLocal)
1310     AC_SUBST(HaveRtldGlobal)
1311     AC_SUBST(HaveRtldNow)
1312 else
1313     AC_CHECK_LIB(dl, dlopen,
1314         [HaveLibDL=YES
1315          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1316          LIBS="$LIBS -ldl"],
1317         [HaveLibDL=NO])
1318     AC_CHECK_FUNCS(dlopen)
1319     AC_SUBST(HaveLibDL)
1320
1321     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1322     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1323     AC_EGREP_CPP(yes,
1324     [
1325      #include <dlfcn.h>
1326      #ifdef RTLD_NEXT
1327             yes
1328      #endif
1329     ], [
1330       AC_MSG_RESULT(yes)
1331       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1332       HaveRtldNext=YES
1333     ], [
1334       AC_MSG_RESULT(no)
1335       HaveRtldNext=NO
1336       ])
1337     AC_SUBST(HaveRtldNext)
1338
1339     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1340     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1341     AC_EGREP_CPP(yes,
1342     [
1343      #include <dlfcn.h>
1344      #ifdef RTLD_LOCAL
1345             yes
1346      #endif
1347     ], [
1348       AC_MSG_RESULT(yes)
1349       AC_DEFINE(HAVE_RTLDLOCAL)
1350       HaveRtldLocal=YES
1351     ], [
1352       AC_MSG_RESULT(no)
1353       HaveRtldLocal=NO
1354       ])
1355     AC_SUBST(HaveRtldLocal)
1356
1357     dnl ** RTLD_GLOBAL isn't available on openbsd
1358     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1359     AC_EGREP_CPP(yes,
1360     [
1361      #include <dlfcn.h>
1362      #ifdef RTLD_GLOBAL
1363             yes
1364      #endif
1365     ], [
1366       AC_MSG_RESULT(yes)
1367       AC_DEFINE(HAVE_RTLDGLOBAL)
1368       HaveRtldGlobal=YES
1369     ], [
1370       AC_MSG_RESULT(no)
1371       HaveRtldGlobal=NO
1372       ])
1373     AC_SUBST(HaveRtldGlobal)
1374
1375     dnl ** RTLD_NOW isn't available on openbsd
1376     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1377     AC_EGREP_CPP(yes,
1378     [
1379      #include <dlfcn.h>
1380      #ifdef RTLD_NOW
1381             yes
1382      #endif
1383     ], [
1384       AC_MSG_RESULT(yes)
1385       AC_DEFINE(HAVE_RTLDNOW)
1386       HaveRtldNow=YES
1387     ], [
1388       AC_MSG_RESULT(no)
1389       HaveRtldNow=NO
1390       ])
1391     AC_SUBST(HaveRtldNow)
1392 fi
1393
1394 dnl ---------- usleep ----------
1395 dnl --- stolen from guile configure ---
1396 dnl --- FIXME: /usr/include/unistd.h can't be right?
1397
1398 ### On some systems usleep has no return value.  If it does have one,
1399 ### we'd like to return it; otherwise, we'll fake it.
1400 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1401   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1402                    /usr/include/unistd.h,
1403                    [cv_func_usleep_return_type=void],
1404                    [cv_func_usleep_return_type=int])])
1405 case "$cv_func_usleep_return_type" in
1406   "void" )
1407     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1408   ;;
1409 esac
1410
1411 dnl --------------------------------------------------
1412 dnl * test for in_addr_t
1413 dnl --------------------------------------------------
1414 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1415 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1416  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1417  AC_MSG_RESULT(no))
1418
1419 dnl --------------------------------------------------
1420 dnl * test for Linux sendfile(2)
1421 dnl --------------------------------------------------
1422 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1423 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1424  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1425  AC_MSG_RESULT(no))
1426
1427 dnl --------------------------------------------------
1428 dnl * test for BSD sendfile(2)
1429 dnl --------------------------------------------------
1430 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1431 AC_EGREP_HEADER(sendfile, sys/socket.h,
1432  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1433  AC_MSG_RESULT(no))
1434
1435 dnl --------------------------------------------------
1436 dnl * test for GTK+
1437 dnl --------------------------------------------------
1438
1439 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1440 if test -n "$GTK_CONFIG"; then
1441   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1442     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1443   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1444     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1445      GTK_CONFIG=])
1446 fi
1447 AC_SUBST([GTK_CONFIG])
1448
1449 dnl --------------------------------------------------
1450 dnl * Miscellaneous feature tests
1451 dnl --------------------------------------------------
1452
1453 dnl ** can we get alloca?
1454 AC_FUNC_ALLOCA
1455
1456 dnl ** Working vfork?
1457 AC_FUNC_VFORK
1458
1459 dnl ** determine whether or not const works
1460 AC_C_CONST
1461
1462 dnl ** are we big endian?
1463 AC_C_BIGENDIAN
1464
1465 dnl ** check for leading underscores in symbol names
1466 FPTOOLS_UNDERSCORE
1467
1468 dnl ** check for ld, and whether ld has -x option
1469 AC_PATH_PROG(LdCmdRaw, ld)
1470 case $HostOS_CPP in
1471  mingw32)
1472         if test "${OSTYPE}" == "msys"
1473            then
1474              LdCmd=${LdCmdRaw}
1475            else
1476              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1477         fi
1478            ;;
1479  *) LdCmd=${LdCmdRaw}
1480     ;;
1481 esac
1482 AC_SUBST(LdCmd)
1483 FPTOOLS_LD_X
1484
1485 FP_EMPTY_STRUCTS
1486
1487 dnl ** Check for idiosyncracies in some mingw impls of directory handling.
1488 FP_READDIR_EOF_ERRNO
1489 FP_DIRENT_FLAT_LAYOUT
1490
1491 AC_MSG_CHECKING([for SIGPOLL])
1492 AC_EGREP_CPP(we_have_sigpoll,
1493 [#include <signal.h>
1494 #ifdef SIGPOLL
1495 we_have_sigpoll
1496 #endif
1497 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1498 AC_MSG_RESULT([$haveSIGPOLL])
1499
1500 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1501 AC_EGREP_CPP(we_have_that_sysconf_thing,
1502 [
1503 #include <unistd.h>
1504 #ifdef _SC_GETGR_R_SIZE_MAX
1505 we_have_that_sysconf_thing
1506 #endif
1507 ],
1508 [AC_MSG_RESULT([yes])
1509 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1510 [AC_MSG_RESULT([no])])
1511
1512 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1513 AC_EGREP_CPP(we_have_that_sysconf_thing,
1514 [
1515 #include <unistd.h>
1516 #ifdef _SC_GETPW_R_SIZE_MAX
1517 we_have_that_sysconf_thing
1518 #endif
1519 ],
1520 [AC_MSG_RESULT([yes])
1521 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1522 [AC_MSG_RESULT([no])])
1523
1524 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )