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 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
 617     then
 618     WhatGccIsCalled=`which gcc`
 619     else
 620     WhatGccIsCalled="gcc"
 621  fi;]
 622 )
 623 AC_SUBST(WhatGccIsCalled)
 624
 625 dnl ** Booting from .hc files?
 626 dnl --------------------------------------------------------------
 627 AC_ARG_ENABLE(hc-boot,
 628 [AC_HELP_STRING([--enable-hc-boot],
 629 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 630  (This option is mostly of interest to porters.) [default=no]])],
 631 [ if test x"$enableval" = x"yes"; then
 632         BootingFromHc=YES
 633   else
 634         BootingFromHc=NO
 635   fi
 636 ],
 637 [BootingFromHc=NO]
 638 )
 639 AC_SUBST(BootingFromHc)
 640
 641 dnl ** Booting from unregisterised .hc files?
 642 dnl --------------------------------------------------------------
 643 AC_ARG_ENABLE(hc-boot-unregisterised,
 644 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 645 [ With --enable-hc-boot, treat the intermediate .hc files as
 646  unregisterised rather than registerised code.
 647  (This option is mostly of interest to porters.) [default=no]])],
 648 [ if test x"$enableval" = x"yes"; then
 649         BootingFromUnregisterisedHc=YES
 650   else
 651         BootingFromUnregisterisedHc=NO
 652   fi
 653 ],
 654 [BootingFromUnregisterisedHc=NO]
 655 )
 656 AC_SUBST(BootingFromUnregisterisedHc)
 657
 658 if test "$BootingFromHc" = "NO"; then
 659 if test "$BootingFromUnregisterisedHc" = "YES"; then
 660 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 661 fi;
 662 fi;
 663
 664 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 665 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 666 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 667 fi;
 668
 669 dnl ** --enable-threaded-rts (not used any more)
 670 dnl --------------------------------------------------------------
 671 AC_ARG_ENABLE(threaded-rts,
 672 [AC_HELP_STRING([--enable-threaded-rts],
 673 [DEPRECATED (backwards compatibility only). [default=no]])],
 674 [ if test x"$enableval" = x"yes"; then
 675         ThreadedRts=YES
 676   else
 677         ThreadedRts=NO
 678   fi
 679 ],
 680 [ThreadedRts=NO]
 681 )
 682 AC_SUBST(ThreadedRts)
 683
 684 dnl ** Enable the construction of Win32 DLLs?
 685 dnl --------------------------------------------------------------
 686 dnl
 687 dnl [ The ability to build the RTS and libraries as separate DLLs used
 688 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 689 dnl   and build system would be required to bring it back again.)
 690 dnl   Hence, exposing it as an option is false advertisement, so better
 691 dnl   disable it to avoid confusion (but leave it commented-out rather
 692 dnl   than removed in order to remind ourselves to bring back the
 693 dnl   feature at some stage.) ]
 694 dnl
 695 dnl AC_ARG_ENABLE(win32-dlls,
 696 dnl [  --enable-win32-dlls
 697 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 698 dnl     construction of DLLs containing ghc-compiled code.
 699 dnl ],
 700 dnl [
 701 dnl case $HostOS_CPP in
 702 dnl cygwin32) ;;
 703 dnl mingw32)  ;;
 704 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 705 dnl       exit 1
 706 dnl       ;;
 707 dnl esac
 708 dnl EnableWin32DLLs=YES
 709 dnl ],
 710 dnl [EnableWin32DLLs=NO]
 711 dnl )
 712 dnl AC_SUBST(EnableWin32DLLs)
 713 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 714 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 715 dnl fi
 716
 717 dnl ** Enable the building of the ObjectIO?
 718 dnl --------------------------------------------------------------
 719 AC_ARG_ENABLE(objectio,
 720 [AC_HELP_STRING([--enable-objectio],
 721 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 722 [ if test x"$enableval" = x"yes"; then
 723         GhcLibsWithObjectIO=YES
 724   else
 725         GhcLibsWithObjectIO=NO
 726   fi
 727 ],
 728 [GhcLibsWithObjectIO=NO]
 729 )
 730 AC_SUBST(GhcLibsWithObjectIO)
 731
 732 dnl ** Enable the building of the OpenAL binding?
 733 dnl --------------------------------------------------------------
 734 AC_ARG_ENABLE([openal],
 735   AC_HELP_STRING([--enable-openal],
 736                  [Build OpenAL binding [[default=autodetect]]]),
 737   [ if test x"$enableval" = x"yes"; then
 738         GhcLibsWithOpenAL=YES
 739     else
 740         GhcLibsWithOpenAL=NO
 741     fi
 742   ],
 743   [GhcLibsWithOpenAL=yes])
 744
 745 AC_SUBST([GhcLibsWithOpenAL])
 746
 747 dnl ** .NET interop support?
 748 dnl --------------------------------------------------------------
 749 AC_ARG_ENABLE(dotnet,
 750 [AC_HELP_STRING([--enable-dotnet],
 751 [Build .NET interop layer. [default=no]])],
 752 [ if test x"$enableval" = x"yes"; then
 753         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 754   else
 755         DotnetSupport=NO
 756   fi],
 757 [DotnetSupport=NO]
 758 )
 759 AC_SUBST(DotnetSupport)
 760
 761 dnl --------------------------------------------------------------
 762 dnl End of configure script option section
 763 dnl --------------------------------------------------------------
 764
 765
 766 dnl --------------------------------------------------------------
 767 dnl * General configuration checks
 768 dnl --------------------------------------------------------------
 769
 770 dnl ** Can the unix package be built?
 771 dnl --------------------------------------------------------------
 772
 773 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 774    GhcLibsWithUnix=NO
 775 else
 776    GhcLibsWithUnix=YES
 777 fi
 778 AC_SUBST([GhcLibsWithUnix])
 779
 780 dnl ** does #! work?
 781 AC_SYS_INTERPRETER()
 782
 783 dnl ** look for `perl', but only in /bin on Windows
 784 case $HostOS_CPP in
 785 cygwin32|mingw32)
 786       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 787       if test -z "$PerlCmd"; then
 788          echo "You must install the version of Perl shipped with GHC"
 789          echo "(or a compatible one) in /bin."
 790          exit 1
 791       fi
 792    ;;
 793 *)
 794    AC_PATH_PROG(PerlCmd,perl)
 795    if test -z "$PerlCmd"; then
 796       echo "You must install perl before you can continue"
 797       echo "Perhaps it is already installed, but not in your PATH?"
 798       exit 1
 799    else
 800    FPTOOLS_CHECK_PERL_VERSION
 801    fi
 802    ;;
 803 esac
 804
 805 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 806 FPTOOLS_SHEBANG_PERL
 807
 808 dnl ** check for Python
 809 AC_PATH_PROG(PythonCmd,python)
 810
 811 dnl ** look for GCC and find out which version
 812 dnl     Figure out which C compiler to use.  Gcc is preferred.
 813 dnl     If gcc, make sure it's at least 2.1
 814 dnl
 815 AC_PROG_CC
 816 FPTOOLS_HAVE_GCC
 817 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 818
 819 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 820 AC_PROG_CPP
 821
 822 dnl ** Without optimization some INLINE trickery fails for GHCi
 823 SRC_CC_OPTS="-O"
 824
 825 dnl ** Try to add -mno-cygwin to the C compiler options
 826 FP_CHECK_FLAG([-mno-cygwin], [
 827 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 828 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 829 AC_SUBST(SRC_CC_OPTS)
 830
 831 dnl ** figure out how to do context diffs
 832 FP_PROG_CONTEXT_DIFF
 833
 834 dnl ** Find find command (for Win32's benefit)
 835 FP_PROG_FIND
 836
 837 dnl ** figure out how to do a BSD-ish install
 838 AC_PROG_INSTALL
 839
 840 dnl If you can run configure, you certainly have /bin/sh
 841 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 842
 843 dnl ** how to invoke `ar' and `ranlib'
 844 FP_PROG_AR_NEEDS_RANLIB
 845 FP_PROG_AR_SUPPORTS_INPUT
 846
 847 dnl ** Check to see whether ln -s works
 848 AC_PROG_LN_S
 849
 850
 851 dnl ** Find the path to sed
 852 AC_PATH_PROG(SedCmd,sed)
 853
 854
 855 dnl ** check for time command
 856 AC_PATH_PROG(TimeCmd,time)
 857
 858 dnl ** check for tar
 859 dnl   if GNU tar is named gtar, look for it first.
 860 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 861
 862 dnl ** check for jade/openjade & determine a working catalog
 863 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 864 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 865                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 866 if test -z "$Catalog"; then
 867   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 868 fi
 869 case $Catalog in
 870    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 871         Catalog=
 872         ;;
 873    glafp*)
 874         case $HostOS_CPP in
 875            mingw32)
 876                   if test "${OSTYPE}" == "msys"
 877                     then
 878                       Catalog=$hardtop/$Catalog
 879                     else
 880                       Catalog=`cygpath -w $hardtop/$Catalog`
 881                   fi
 882               ;;
 883            *) Catalog=$hardtop/$Catalog
 884               ;;
 885         esac
 886    ;;
 887 esac
 888 AC_SUBST(Catalog)
 889
 890
 891 dnl ** check for ghc-pkg command
 892 changequote(, )dnl
 893 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 894 changequote([, ])dnl
 895 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 896    GhcPkgCmd=$ghc_pkg_guess
 897    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 898 else
 899    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 900 fi
 901
 902 AC_ARG_WITH(greencard,
 903 [AC_HELP_STRING([--with-greencard=ARG],
 904         [Use ARG as the path to greencard  [default=autodetct]])],
 905 [
 906 GreenCardCmd=$withval;
 907 FPTOOLS_GREENCARD(3.00)
 908 ]
 909 )
 910
 911 AC_ARG_ENABLE(src-tree-happy,
 912 [AC_HELP_STRING([--enable-src-tree-happy],
 913         [Build and use source tree (fptools/happy) version of Happy.
 914          [default=autodetect]])],
 915 [ if test x"$enableval" = x"yes"; then
 916         UseSrcTreeHappy=YES
 917   else
 918         UseSrcTreeHappy=NO
 919   fi
 920 ],
 921 [UseSrcTreeHappy=NO]
 922 )
 923 dnl ** check for installed happy binary + version
 924 dnl    (don't do it if we're booting from .hc files though.)
 925 if test "$BootingFromHc" = "NO"; then
 926 FPTOOLS_HAPPY
 927 fi;
 928
 929 AC_ARG_ENABLE(src-tree-haddock,
 930 [AC_HELP_STRING([--enable-src-tree-haddock],
 931         [Build and use source tree (fptools/haddock) version of Haddock.
 932          [default=autodetect]])],
 933 [ if test x"$enableval" = x"yes"; then
 934         UseSrcTreeHaddock=YES
 935   else
 936         UseSrcTreeHaddock=NO
 937   fi
 938 ],
 939 [UseSrcTreeHaddock=NO]
 940 )
 941 dnl ** check for installed haddock
 942 FPTOOLS_HADDOCK
 943
 944 AC_ARG_ENABLE(src-tree-alex,
 945 [AC_HELP_STRING([--enable-src-tree-alex],
 946         [Build and use source tree (fptools/alex) version of Alex.
 947          [default=autodetect]])],
 948 [ if test x"$enableval" = x"yes"; then
 949         UseSrcTreeAlex=YES
 950   else
 951         UseSrcTreeAlex=NO
 952   fi
 953 ],
 954 [UseSrcTreeAlex=NO]
 955 )
 956 dnl ** check for installed alex binary + version
 957 dnl    (don't do it if we're booting from .hc files though.)
 958 if test "$BootingFromHc" = "NO"; then
 959 FPTOOLS_ALEX
 960 fi;
 961
 962 dnl --------------------------------------------------
 963 dnl ### program checking section ends here ###
 964 dnl --------------------------------------------------
 965
 966 dnl --------------------------------------------------
 967 dnl * Platform header file and syscall feature tests
 968 dnl ### checking the state of the local header files and syscalls ###
 969
 970 dnl ** check for full ANSI header (.h) files
 971 AC_HEADER_STDC
 972
 973 dnl ** Enable large file support.  NB. do this before testing the type of
 974 dnl    off_t, because it will affect the result of that test.
 975 AC_SYS_LARGEFILE
 976
 977 dnl ** check for specific header (.h) files that we are interested in
 978 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)
 979 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 980
 981 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 982 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 983
 984 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 985   GhcLibsWithReadline=YES
 986   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 987 else
 988   GhcLibsWithReadline=NO
 989   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 990 fi
 991 AC_SUBST(GhcLibsWithReadline)
 992
 993 dnl ** check for DOS include files
 994 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 995
 996 dnl ** check for Windows include files
 997 AC_CHECK_HEADERS(windows.h)
 998
 999 dnl ** check for OpenGL/GLUT include paths and libraries
1000 FP_CHECK_GLUT
1001
1002 if test x"$no_GLU" = xyes; then
1003   GhcLibsWithOpenGL=NO
1004 else
1005   GhcLibsWithOpenGL=YES
1006 fi
1007 AC_SUBST([GhcLibsWithOpenGL])
1008
1009 if test x"$no_GLUT" = xyes; then
1010   GhcLibsWithGLUT=NO
1011 else
1012   GhcLibsWithGLUT=YES
1013 fi
1014 AC_SUBST([GhcLibsWithGLUT])
1015
1016 dnl ** check for OpenGL include files
1017 fp_save_cppflags="$CPPFLAGS"
1018 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
1019 if test x"$use_quartz_opengl" = xyes; then
1020   AC_CHECK_HEADERS([OpenGL/gl.h])
1021 else
1022   AC_CHECK_HEADERS([GL/gl.h])
1023 fi
1024 CPPFLAGS="$fp_save_cppflags"
1025
1026 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1027 AC_HEADER_TIME
1028
1029 dnl dynamic loading include files
1030 AC_CHECK_HEADERS(dlfcn.h dl.h)
1031
1032 dnl ** check for farcalloc (in bcc)
1033 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
1034
1035 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
1036 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
1037
1038 dnl ** check for POSIX regex
1039 HavePosixRegex=NO
1040 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
1041 AC_SUBST(HavePosixRegex)
1042
1043 dnl ** how do we get a timezone name, and UTC offset ?
1044 AC_STRUCT_TIMEZONE
1045
1046 dnl ** do we have altzone?
1047 FP_DECL_ALTZONE
1048
1049 dnl ** does struct stat contain st_blksize?
1050 AC_STRUCT_ST_BLKSIZE
1051
1052 dnl ** do we have long longs?
1053 AC_CHECK_TYPES([long long])
1054
1055 dnl ** check what fields struct msghdr contains
1056 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
1057 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
1058 # include <sys/types.h>
1059 #endif
1060 #if HAVE_SYS_SOCKET_H
1061 # include <sys/socket.h>
1062 #endif
1063 #if HAVE_SYS_UIO_H
1064 # include <sys/uio.h>
1065 #endif])
1066
1067 dnl ** what are the sizes of various types
1068 AC_CHECK_SIZEOF(char,               1)
1069 AC_CHECK_SIZEOF(double,             8)
1070 AC_CHECK_SIZEOF(float,              4)
1071 AC_CHECK_SIZEOF(int,                4)
1072 AC_CHECK_SIZEOF(long,               4)
1073 if test "$ac_cv_type_long_long" = yes; then
1074 AC_CHECK_SIZEOF(long long,          8)
1075 fi
1076 AC_CHECK_SIZEOF(short,              2)
1077 AC_CHECK_SIZEOF(unsigned char,      1)
1078 AC_CHECK_SIZEOF(unsigned int,       4)
1079 AC_CHECK_SIZEOF(unsigned long,      4)
1080 if test "$ac_cv_type_long_long" = yes; then
1081 AC_CHECK_SIZEOF(unsigned long long, 8)
1082 fi
1083 AC_CHECK_SIZEOF(unsigned short,     2)
1084 AC_CHECK_SIZEOF(void *,             4)
1085
1086 dnl ** what are alignment constraints on various types
1087 FP_CHECK_ALIGNMENT(char)
1088 FP_CHECK_ALIGNMENT(double)
1089 FP_CHECK_ALIGNMENT(float)
1090 FP_CHECK_ALIGNMENT(int)
1091 FP_CHECK_ALIGNMENT(long)
1092 if test "$ac_cv_type_long_long" = yes; then
1093 FP_CHECK_ALIGNMENT(long long)
1094 fi
1095 FP_CHECK_ALIGNMENT(short)
1096 FP_CHECK_ALIGNMENT(unsigned char)
1097 FP_CHECK_ALIGNMENT(unsigned int)
1098 FP_CHECK_ALIGNMENT(unsigned long)
1099 if test "$ac_cv_type_long_long" = yes; then
1100 FP_CHECK_ALIGNMENT(unsigned long long)
1101 fi
1102 FP_CHECK_ALIGNMENT(unsigned short)
1103 FP_CHECK_ALIGNMENT(void *)
1104
1105 dnl ** map standard C types and ISO types to Haskell types
1106 FPTOOLS_CHECK_HTYPE(char)
1107 FPTOOLS_CHECK_HTYPE(signed char)
1108 FPTOOLS_CHECK_HTYPE(unsigned char)
1109 FPTOOLS_CHECK_HTYPE(short)
1110 FPTOOLS_CHECK_HTYPE(unsigned short)
1111 FPTOOLS_CHECK_HTYPE(int)
1112 FPTOOLS_CHECK_HTYPE(unsigned int)
1113 FPTOOLS_CHECK_HTYPE(long)
1114 FPTOOLS_CHECK_HTYPE(unsigned long)
1115 if test "$ac_cv_type_long_long" = yes; then
1116 FPTOOLS_CHECK_HTYPE(long long)
1117 FPTOOLS_CHECK_HTYPE(unsigned long long)
1118 fi
1119 FPTOOLS_CHECK_HTYPE(float)
1120 FPTOOLS_CHECK_HTYPE(double)
1121 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1122 FPTOOLS_CHECK_HTYPE(size_t)
1123 FPTOOLS_CHECK_HTYPE(wchar_t)
1124 dnl Int32 is a HACK for non-ISO C compilers
1125 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1126 FPTOOLS_CHECK_HTYPE(clock_t)
1127 FPTOOLS_CHECK_HTYPE(time_t)
1128 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1129 FPTOOLS_CHECK_HTYPE(ino_t)
1130 FPTOOLS_CHECK_HTYPE(mode_t)
1131 FPTOOLS_CHECK_HTYPE(off_t)
1132 FPTOOLS_CHECK_HTYPE(pid_t)
1133 FPTOOLS_CHECK_HTYPE(gid_t)
1134 FPTOOLS_CHECK_HTYPE(uid_t)
1135 FPTOOLS_CHECK_HTYPE(cc_t)
1136 FPTOOLS_CHECK_HTYPE(speed_t)
1137 FPTOOLS_CHECK_HTYPE(tcflag_t)
1138 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1139 FPTOOLS_CHECK_HTYPE(nlink_t)
1140 FPTOOLS_CHECK_HTYPE(ssize_t)
1141 FPTOOLS_CHECK_HTYPE(rlim_t)
1142 FPTOOLS_CHECK_HTYPE(wint_t)
1143
1144 dnl ** Map OpenGL data types to Haskell types
1145 if test $GhcLibsWithOpenGL = YES ; then
1146 FPTOOLS_CHECK_HTYPE(GLboolean)
1147 FPTOOLS_CHECK_HTYPE(GLbyte)
1148 FPTOOLS_CHECK_HTYPE(GLubyte)
1149 FPTOOLS_CHECK_HTYPE(GLshort)
1150 FPTOOLS_CHECK_HTYPE(GLushort)
1151 FPTOOLS_CHECK_HTYPE(GLint)
1152 FPTOOLS_CHECK_HTYPE(GLuint)
1153 FPTOOLS_CHECK_HTYPE(GLsizei)
1154 FPTOOLS_CHECK_HTYPE(GLenum)
1155 FPTOOLS_CHECK_HTYPE(GLbitfield)
1156 FPTOOLS_CHECK_HTYPE(GLfloat)
1157 FPTOOLS_CHECK_HTYPE(GLclampf)
1158 FPTOOLS_CHECK_HTYPE(GLdouble)
1159 FPTOOLS_CHECK_HTYPE(GLclampd)
1160 fi
1161
1162 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>
1163 #include <errno.h>])
1164
1165 dnl ** can we open files in binary mode?
1166 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1167
1168 FP_CHECK_FUNC([WinExec],
1169   [@%:@include <windows.h>], [WinExec("",0)])
1170
1171 FP_CHECK_FUNC([GetModuleFileName],
1172   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1173
1174 dnl ** check return type of signal handlers
1175 dnl Foo: assumes we can use prototypes.
1176 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1177 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1178 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1179 dnl #include <signal.h>
1180 dnl #ifdef signal
1181 dnl #undef signal
1182 dnl #endif
1183 dnl void (*signal (int, void (*)(int)))(int);
1184 dnl ],
1185 dnl [int i;],
1186 dnl ac_cv_type_signal_handler=void_int,
1187 dnl ac_cv_type_signal_handler=int_void)])
1188 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1189 dnl AC_DEFINE(VOID_INT_SIGNALS)
1190 dnl fi
1191
1192 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1193 AC_TYPE_SIGNAL
1194 if test "$ac_cv_type_signal" = void; then
1195   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1196 fi
1197
1198 dnl ** check for more functions
1199 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1200 AC_CHECK_FUNCS(strcmp)
1201 AC_CHECK_FUNCS(realpath _fullpath)
1202 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1203 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1204 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1205 AC_CHECK_FUNCS(snprintf  _snprintf )
1206 AC_CHECK_FUNCS(popen     _popen )
1207 AC_CHECK_FUNCS(pclose    _pclose )
1208 AC_CHECK_FUNCS(setenv unsetenv)
1209
1210
1211 dnl ** check for specific library functions that we are interested in
1212 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1213
1214 dnl ** Solaris2 needs additionl flag for getpw*_r()
1215 case "$TargetPlatform" in
1216   *-solaris2*)
1217     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1218     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1219   ;;
1220 esac
1221
1222 dnl ** check whether this machine has gmp3 installed
1223 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1224   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1225     HaveLibGmp=NO; LibGmp=not-installed))
1226 AC_SUBST(HaveLibGmp)
1227 AC_SUBST(LibGmp)
1228
1229 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1230 HaveFrameworkHaskellSupport=NO
1231 if test $HostPlatform = "powerpc-apple-darwin"; then
1232  AC_MSG_CHECKING([for HaskellSupport.framework])
1233  save_libs="$LIBS"
1234  LIBS="-framework HaskellSupport"
1235  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1236  if test $HaveFrameworkHaskellSupport = YES; then
1237   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1238  fi;
1239  LIBS="$save_libs"
1240  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1241 fi;
1242 AC_SUBST(HaveFrameworkHaskellSupport)
1243
1244 dnl ** check for mingwex library
1245 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1246 AC_SUBST(HaveLibMingwEx)
1247
1248 if test $HaveLibMingwEx = YES ; then
1249   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1250 fi
1251
1252 if test "$HaveLibGmp" = "NO"; then
1253 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1254 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1255 fi;
1256 fi;
1257
1258 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1259 dnl    the order of these tests matters: bfd needs liberty
1260 AC_CHECK_LIB(iberty, xmalloc)
1261 AC_CHECK_LIB(bfd,    bfd_init)
1262
1263 dnl ** check for wide-char classifications
1264 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1265 dnl functions if it's really there.
1266 AC_CHECK_HEADERS(wctype.h,
1267   [AC_CHECK_FUNCS(iswspace)]
1268 )
1269
1270 dnl ** check for readline, for Hugs and hslibs' Readline
1271 dnl ncurses supersedes termcap and curses, but for compatibility,
1272 dnl we have to check for all...
1273 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1274   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1275     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1276       HaveLibTermcap=NO; LibTermcap=not-installed)))
1277
1278 if test $HaveLibTermcap = YES ; then
1279   LIBS="-l$LibTermcap $LIBS"
1280   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1281 fi
1282
1283 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1284   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1285   LibsReadline="readline $LibTermcap"
1286 else
1287   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1288   LibsReadline=
1289 fi
1290 AC_SUBST(LibsReadline)
1291
1292 if test "$HaveLibReadline"; then
1293   AC_CHECK_LIB(readline, rl_erase_empty_line,
1294     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1295     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1296   AC_CHECK_LIB(readline, rl_free_undo_list,
1297     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1298     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1299 else
1300   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1301   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1302 fi
1303
1304 dnl ** check for math library
1305 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1306 AC_SUBST([LIBM])
1307
1308 dnl ** check for X Window System
1309 AC_PATH_XTRA()
1310
1311 if test "$no_x" = yes; then
1312   GhcLibsWithX11=NO
1313 else
1314   GhcLibsWithX11=YES
1315 fi
1316 AC_SUBST([GhcLibsWithX11])
1317
1318 dnl ################################################################
1319 dnl Check for libraries
1320 dnl ################################################################
1321
1322 dnl ** check for libdl & RTLD_NEXT
1323
1324 dnl (Mac OS X only) ... but don't check if we already have the
1325 dnl HaskellSupport.framework
1326
1327 if test $HaveFrameworkHaskellSupport = YES; then
1328     HaveLibDL=NO
1329     HaveRtldNext=NO
1330     HaveRtldLocal=YES
1331     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1332     HaveRtldGlobal=YES
1333     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1334     HaveRtldNow=YES
1335     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1336     AC_SUBST(HaveLibDL)
1337     AC_SUBST(HaveRtldNext)
1338     AC_SUBST(HaveRtldLocal)
1339     AC_SUBST(HaveRtldGlobal)
1340     AC_SUBST(HaveRtldNow)
1341 else
1342     AC_CHECK_LIB(dl, dlopen,
1343         [HaveLibDL=YES
1344          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1345          LIBS="$LIBS -ldl"],
1346         [HaveLibDL=NO])
1347     AC_CHECK_FUNCS(dlopen)
1348     AC_SUBST(HaveLibDL)
1349
1350     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1351     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1352     AC_EGREP_CPP(yes,
1353     [
1354      #include <dlfcn.h>
1355      #ifdef RTLD_NEXT
1356             yes
1357      #endif
1358     ], [
1359       AC_MSG_RESULT(yes)
1360       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1361       HaveRtldNext=YES
1362     ], [
1363       AC_MSG_RESULT(no)
1364       HaveRtldNext=NO
1365       ])
1366     AC_SUBST(HaveRtldNext)
1367
1368     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1369     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1370     AC_EGREP_CPP(yes,
1371     [
1372      #include <dlfcn.h>
1373      #ifdef RTLD_LOCAL
1374             yes
1375      #endif
1376     ], [
1377       AC_MSG_RESULT(yes)
1378       AC_DEFINE(HAVE_RTLDLOCAL)
1379       HaveRtldLocal=YES
1380     ], [
1381       AC_MSG_RESULT(no)
1382       HaveRtldLocal=NO
1383       ])
1384     AC_SUBST(HaveRtldLocal)
1385
1386     dnl ** RTLD_GLOBAL isn't available on openbsd
1387     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1388     AC_EGREP_CPP(yes,
1389     [
1390      #include <dlfcn.h>
1391      #ifdef RTLD_GLOBAL
1392             yes
1393      #endif
1394     ], [
1395       AC_MSG_RESULT(yes)
1396       AC_DEFINE(HAVE_RTLDGLOBAL)
1397       HaveRtldGlobal=YES
1398     ], [
1399       AC_MSG_RESULT(no)
1400       HaveRtldGlobal=NO
1401       ])
1402     AC_SUBST(HaveRtldGlobal)
1403
1404     dnl ** RTLD_NOW isn't available on openbsd
1405     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1406     AC_EGREP_CPP(yes,
1407     [
1408      #include <dlfcn.h>
1409      #ifdef RTLD_NOW
1410             yes
1411      #endif
1412     ], [
1413       AC_MSG_RESULT(yes)
1414       AC_DEFINE(HAVE_RTLDNOW)
1415       HaveRtldNow=YES
1416     ], [
1417       AC_MSG_RESULT(no)
1418       HaveRtldNow=NO
1419       ])
1420     AC_SUBST(HaveRtldNow)
1421 fi
1422
1423 dnl ---------- usleep ----------
1424 dnl --- stolen from guile configure ---
1425 dnl --- FIXME: /usr/include/unistd.h can't be right?
1426
1427 ### On some systems usleep has no return value.  If it does have one,
1428 ### we'd like to return it; otherwise, we'll fake it.
1429 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1430   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1431                    /usr/include/unistd.h,
1432                    [cv_func_usleep_return_type=void],
1433                    [cv_func_usleep_return_type=int])])
1434 case "$cv_func_usleep_return_type" in
1435   "void" )
1436     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1437   ;;
1438 esac
1439
1440 dnl --------------------------------------------------
1441 dnl * test for in_addr_t
1442 dnl --------------------------------------------------
1443 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1444 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1445  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1446  AC_MSG_RESULT(no))
1447
1448 dnl --------------------------------------------------
1449 dnl * test for Linux sendfile(2)
1450 dnl --------------------------------------------------
1451 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1452 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1453  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1454  AC_MSG_RESULT(no))
1455
1456 dnl --------------------------------------------------
1457 dnl * test for BSD sendfile(2)
1458 dnl --------------------------------------------------
1459 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1460 AC_EGREP_HEADER(sendfile, sys/socket.h,
1461  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1462  AC_MSG_RESULT(no))
1463
1464 dnl --------------------------------------------------
1465 dnl * test for GTK+
1466 dnl --------------------------------------------------
1467
1468 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1469 if test -n "$GTK_CONFIG"; then
1470   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1471     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1472   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1473     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1474      GTK_CONFIG=])
1475 fi
1476 AC_SUBST([GTK_CONFIG])
1477
1478 dnl --------------------------------------------------
1479 dnl * Miscellaneous feature tests
1480 dnl --------------------------------------------------
1481
1482 dnl ** can we get alloca?
1483 AC_FUNC_ALLOCA
1484
1485 dnl ** Working vfork?
1486 AC_FUNC_VFORK
1487
1488 dnl ** determine whether or not const works
1489 AC_C_CONST
1490
1491 dnl ** are we big endian?
1492 AC_C_BIGENDIAN
1493
1494 dnl ** check for leading underscores in symbol names
1495 FPTOOLS_UNDERSCORE
1496
1497 dnl ** check for ld, and whether ld has -x option
1498 AC_PATH_PROG(LdCmdRaw, ld)
1499 case $HostOS_CPP in
1500  mingw32)
1501         if test "${OSTYPE}" == "msys"
1502            then
1503              LdCmd=${LdCmdRaw}
1504            else
1505              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1506         fi
1507            ;;
1508  *) LdCmd=${LdCmdRaw}
1509     ;;
1510 esac
1511 AC_SUBST(LdCmd)
1512 FPTOOLS_LD_X
1513
1514 FP_EMPTY_STRUCTS
1515
1516 AC_MSG_CHECKING([for SIGPOLL])
1517 AC_EGREP_CPP(we_have_sigpoll,
1518 [#include <signal.h>
1519 #ifdef SIGPOLL
1520 we_have_sigpoll
1521 #endif
1522 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1523 AC_MSG_RESULT([$haveSIGPOLL])
1524
1525 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1526 AC_EGREP_CPP(we_have_that_sysconf_thing,
1527 [
1528 #include <unistd.h>
1529 #ifdef _SC_GETGR_R_SIZE_MAX
1530 we_have_that_sysconf_thing
1531 #endif
1532 ],
1533 [AC_MSG_RESULT([yes])
1534 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1535 [AC_MSG_RESULT([no])])
1536
1537 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1538 AC_EGREP_CPP(we_have_that_sysconf_thing,
1539 [
1540 #include <unistd.h>
1541 #ifdef _SC_GETPW_R_SIZE_MAX
1542 we_have_that_sysconf_thing
1543 #endif
1544 ],
1545 [AC_MSG_RESULT([yes])
1546 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1547 [AC_MSG_RESULT([no])])
1548
1549 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )