configure.in

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (grep for '^dnl' to see the outline of this file)
   3 dnl
   4 dnl * INITIAL SETUP, CHOICE OF PLATFORM(S)
   5 #!/bin/sh
   6 #
   7 # (c) The AQUA Project, Glasgow University, 1994-1997
   8 #
   9 # Configure script for the Glasgow functional programming tools
  10 # (created automagically by autoconf...do not edit by hand)
  11 #
  12 # Do "./configure --help" to see what flags are available.
  13 # (Better yet, read the documentation!)
  14 #
  15 # First off, a distrib sanity check..
  16 AC_INIT(mk/config.mk.in)
  17
  18 # -------------------------------------------------------------------------
  19 # Prepare to generate the following header files
  20 #
  21 #
  22 AC_CONFIG_HEADER(mk/config.h)
  23
  24 # No, we don't do `--srcdir'...
  25 if test x"$srcdir" != 'x.' ; then
  26     echo "This configuration does not support the \`--srcdir' option.."
  27     exit 1
  28 fi
  29
  30 #
  31 # Remove some automounter nonsense (Glasgow specific gruff)
  32 #
  33 hardtop=`pwd`
  34 hardtop=`echo $hardtop | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|'`
  35
  36 #OLD: hardtop=`echo $hardtop | sed 's|^/tmp_mnt/|/|' | sed 's|^/export/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|'`
  37
  38 echo ''
  39 echo "*** The top of your build tree is: $hardtop"
  40 AC_SUBST(hardtop)
  41
  42 # -------------------------------------------------------------------------
  43 dnl ** choose host(/target/build) platform
  44 #
  45 # Guess host/target/build platform(s) if necessary.
  46 #
  47 AC_CANONICAL_SYSTEM
  48
  49 # "$host" defaults to "$target"
  50 if test "x$host" = xNONE ; then
  51     host=$target
  52 fi
  53 # "$build" defaults to "$host"
  54 #if test "x$build" = xNONE ; then
  55 #    build=$host
  56 #else
  57 #    echo "This configuration does not support the \`--build' option."
  58 #    exit 1
  59 #fi
  60
  61 dnl ** canonicalize platform names
  62 # Canonicali[sz]e those babies
  63 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  64 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  65 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  66
  67 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  68     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  69     exit 1
  70 fi
  71 #
  72 # The following will be more difficult when we *are* cross-compiling.
  73 # Suitable names to slam in *_CPP are in platform.h.in.
  74 # We also record the architecture, vendor, and operating system (OS)
  75 # separately.
  76 case $HostPlatform in
  77 alpha-dec-osf[[1234]]*)
  78         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  79         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  80         BuildPlatform=alpha-dec-osf1  # hack
  81         HostPlatform_CPP='alpha_dec_osf1'
  82         HostArch_CPP='alpha'
  83         HostVendor_CPP='dec'
  84         HostOS_CPP='osf1'
  85         ;;
  86 hppa1.1-hp-hpux*)
  87         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
  88         TargetPlatform=hppa1.1-hp-hpux
  89         BuildPlatform=hppa1.1-hp-hpux
  90         HostPlatform_CPP='hppa1_1_hp_hpux'
  91         HostArch_CPP='hppa1_1'
  92         HostVendor_CPP='hp'
  93         HostOS_CPP='hpux'
  94         ;;
  95 i[[3456]]86-*-linuxaout*)
  96         HostPlatform=i386-unknown-linuxaout   # hack again
  97         TargetPlatform=i386-unknown-linuxaout
  98         BuildPlatform=i386-unknown-linuxaout
  99         HostPlatform_CPP='i386_unknown_linuxaout'
 100         HostArch_CPP='i386'
 101         HostVendor_CPP='unknown'
 102         HostOS_CPP='linuxaout'
 103         ;;
 104 i[[3456]]86-*-linux*)
 105         HostPlatform=i386-unknown-linux # hack again
 106         TargetPlatform=i386-unknown-linux
 107         BuildPlatform=i386-unknown-linux
 108         HostPlatform_CPP='i386_unknown_linux'
 109         HostArch_CPP='i386'
 110         HostVendor_CPP='unknown'
 111         HostOS_CPP='linux'
 112         ;;
 113 i[[3456]]86-*-freebsd*)
 114         HostPlatform=i386-unknown-freebsd # hack again
 115         TargetPlatform=i386-unknown-freebsd
 116         BuildPlatform=i386-unknown-freebsd
 117         HostPlatform_CPP='i386_unknown_freebsd'
 118         HostArch_CPP='i386'
 119         HostVendor_CPP='unknown'
 120         HostOS_CPP='freebsd'
 121         ;;
 122 i[[3456]]86-*-netbsd*)
 123         HostPlatform=i386-unknown-netbsd # hack again
 124         TargetPlatform=i386-unknown-netbsd
 125         BuildPlatform=i386-unknown-netbsd
 126         HostPlatform_CPP='i386_unknown_netbsd'
 127         HostArch_CPP='i386'
 128         HostVendor_CPP='unknown'
 129         HostOS_CPP='netbsd'
 130         ;;
 131 i[[3456]]86-*-solaris2*)
 132         HostPlatform=i386-unknown-solaris2 # hack again
 133         TargetPlatform=i386-unknown-solaris2
 134         BuildPlatform=i386-unknown-solaris2
 135         HostPlatform_CPP='i386_unknown_solaris2'
 136         HostArch_CPP='i386'
 137         HostVendor_CPP='unknown'
 138         HostOS_CPP='solaris2'
 139         ;;
 140 i[[3456]]86-*-cygwin32*)
 141         HostPlatform=i386-unknown-cygwin32 # hack again
 142         TargetPlatform=i386-unknown-cygwin32
 143         BuildPlatform=i386-unknown-cygwin32
 144         HostPlatform_CPP='i386_unknown_cygwin32'
 145         HostArch_CPP='i386'
 146         HostVendor_CPP='unknown'
 147         HostOS_CPP='cygwin32'
 148         ;;
 149 m68k-next-nextstep2)
 150         HostPlatform_CPP='m68k_next_nextstep2'
 151         HostArch_CPP='m68k'
 152         HostVendor_CPP='next'
 153         HostOS_CPP='nextstep2'
 154         ;;
 155 m68k-next-nextstep3)
 156         HostPlatform_CPP='m68k_next_nextstep3'
 157         HostArch_CPP='m68k'
 158         HostVendor_CPP='next'
 159         HostOS_CPP='nextstep3'
 160         ;;
 161 i[[3456]]86-next-nextstep3)
 162         HostPlatform=i386-next-nextstep3 # hack again
 163         TargetPlatform=i386-next-nextstep3
 164         BuildPlatform=i386-next-nextstep3
 165         HostPlatform_CPP='i386_next_nextstep3'
 166         HostArch_CPP='i386'
 167         HostVendor_CPP='next'
 168         HostOS_CPP='nextstep3'
 169         ;;
 170 m68k-sun-sunos4*)
 171         HostPlatform=m68k-sun-sunos4
 172         TargetPlatform=m68k-sun-sunos4 #hack
 173         BuildPlatform=m68k-sun-sunos4 #hack
 174         HostPlatform_CPP='m68k_sun_sunos4'
 175         HostArch_CPP='m68k'
 176         HostVendor_CPP='sun'
 177         HostOS_CPP='sunos4'
 178         ;;
 179 mips-dec-ultrix*)
 180         HostPlatform_CPP='mips_dec_ultrix'
 181         HostArch_CPP='mipsel'   # NB a little different
 182         HostVendor_CPP='dec'
 183         HostOS_CPP='ultrix'
 184         ;;
 185 mips-sgi-irix*)
 186         HostPlatform=mips-sgi-irix
 187         TargetPlatform=mips-sgi-irix #hack
 188         BuildPlatform=mips-sgi-irix #hack
 189         HostPlatform_CPP='mips_sgi_irix'
 190         HostArch_CPP='mipseb'   # NB a little different
 191         HostVendor_CPP='sgi'
 192         HostOS_CPP='irix'
 193         ;;
 194 rs6000-ibm-aix*)
 195         HostPlatform=rs6000-ibm-aix
 196         TargetPlatform=rs6000-ibm-aix #hack
 197         BuildPlatform=rs6000-ibm-aix #hack
 198         HostPlatform_CPP='rs6000_ibm_aix'
 199         HostArch_CPP='rs6000'
 200         HostVendor_CPP='ibm'
 201         HostOS_CPP='aix'
 202         ;;
 203 powerpc-ibm-aix*)
 204         HostPlatform=powerpc-ibm-aix
 205         TargetPlatform=powerpc-ibm-aix #hack
 206         BuildPlatform=powerpc-ibm-aix #hack
 207         HostPlatform_CPP='powerpc_ibm_aix'
 208         HostArch_CPP='powerpc'
 209         HostVendor_CPP='ibm'
 210         HostOS_CPP='aix'
 211         ;;
 212 sparc-sun-sunos4*)
 213         HostPlatform=sparc-sun-sunos4
 214         TargetPlatform=sparc-sun-sunos4 #hack
 215         BuildPlatform=sparc-sun-sunos4 #hack
 216         HostPlatform_CPP='sparc_sun_sunos4'
 217         HostArch_CPP='sparc'
 218         HostVendor_CPP='sun'
 219         HostOS_CPP='sunos4'
 220         ;;
 221 sparc-sun-solaris2*)
 222         HostPlatform=sparc-sun-solaris2
 223         TargetPlatform=sparc-sun-solaris2 #hack
 224         BuildPlatform=sparc-sun-solaris2 #hack
 225         HostPlatform_CPP='sparc_sun_solaris2'
 226         HostArch_CPP='sparc'
 227         HostVendor_CPP='sun'
 228         HostOS_CPP='solaris2'
 229         ;;
 230 *)
 231         echo "Unrecognised platform: $HostPlatform"
 232         exit 1
 233         ;;
 234 esac
 235 echo "Canonicalised to: $HostPlatform"
 236 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 237 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 238
 239 BuildPlatform_CPP=$HostPlatform_CPP
 240 TargetPlatform_CPP=$HostPlatform_CPP
 241 BuildArch_CPP=$HostArch_CPP
 242 TargetArch_CPP=$HostArch_CPP
 243 BuildOS_CPP=$HostOS_CPP
 244 HostOS_Full=$host_os
 245 TargetOS_CPP=$HostOS_CPP
 246 BuildVendor_CPP=$HostVendor_CPP
 247 TargetVendor_CPP=$HostVendor_CPP
 248
 249 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 250 dnl AC_SUBST(BuildPlatform)
 251
 252 AC_SUBST(HostPlatform)
 253 AC_SUBST(TargetPlatform)
 254 AC_SUBST(HostPlatform_CPP)
 255 dnl AC_SUBST(BuildPlatform_CPP)
 256 dnl AC_SUBST(TargetPlatform_CPP)
 257
 258 AC_SUBST(HostArch_CPP)
 259 dnl AC_SUBST(BuildArch_CPP)
 260 dnl AC_SUBST(TargetArch_CPP)
 261
 262 AC_SUBST(HostOS_CPP)
 263 AC_SUBST(HostOS_Full)
 264 dnl AC_SUBST(BuildOS_CPP)
 265 dnl AC_SUBST(TargetOS_CPP)
 266
 267 AC_SUBST(HostVendor_CPP)
 268 dnl AC_SUBST(BuildVendor_CPP)
 269 dnl AC_SUBST(TargetVendor_CPP)
 270
 271 # -------------------------------------------------------------------------
 272 dnl
 273 dnl * _GENERAL_ CONFIGURATION CHECKS
 274 #
 275 dnl ** are we at Glasgow?
 276 #
 277 # This stuff is in danger of going away..
 278 #
 279 if test -d /local/fp -a -d /users/fp/simonpj; then
 280     echo "Brilliant!  You must be a Glaswegian."
 281     AT_GLASGOW=1
 282     if test "x$prefix" = xNONE; then
 283         prefix=/local/fp
 284         echo "Assuming installation prefix of $prefix"
 285     fi
 286     if test "x$exec_prefix" = xNONE; then
 287         # Sigh: the defn of exec_prefix does not include the bin* bit...
 288         # WDP 94/07
 289         exec_prefix=/local/fp
 290         echo "Assuming binary installation prefix of $exec_prefix"
 291     fi
 292 else
 293     AT_GLASGOW=0
 294 fi
 295 AC_SUBST(AT_GLASGOW)
 296 test -n "$verbose" && echo "    setting AT_GLASGOW to $AT_GLASGOW"
 297 #
 298 #
 299 #
 300 dnl ** does #! work?
 301 #
 302 AC_SYS_INTERPRETER()
 303 #
 304 dnl ** look for `perl', but watch out for version 4.035
 305 #
 306 AC_CHECK_PROG(PerlCmd,perl,$ac_dir/$ac_word)
 307 if test -z "$PerlCmd"; then
 308     echo "You must install perl before you can continue"
 309     echo "Perhaps it is already installed, but not in your PATH?"
 310     exit 1
 311 else
 312     $PerlCmd -v >conftest.out 2>&1
 313     if egrep "version 4" conftest.out >/dev/null 2>&1; then
 314         if egrep "Patch level: 35" conftest.out >/dev/null 2>&1; then
 315             echo "
 316 ************************************************************************
 317 Uh-oh...looks like you have Perl 4.035.
 318
 319 Perl version 4.035 has a bug to do with recursion that will bite if
 320 you run the lit2texi script, when making Info files from
 321 literate files of various sorts.  Either use the current version
 322 (4.036), an older version (e.g., perl 4.019) or apply the patch in
 323 glafp-utils/perl-4.035-fixes to your 4.035 perl.
 324 ************************************************************************
 325 "
 326         fi
 327     else
 328         if egrep "version 5" conftest.out >/dev/null 2>&1; then
 329             :
 330         else
 331             echo "I'm not sure if your version of perl will work,"
 332             echo "but it's worth a shot, eh?"
 333         fi
 334     fi
 335     rm -fr conftest*
 336 fi
 337 #
 338 dnl ** does #!.../perl work? (sometimes it's too long...)
 339 echo "checking if \`#!$PerlCmd' works in shell scripts"
 340 echo "#!$PerlCmd"'
 341 exit $1;
 342 ' > conftest
 343 chmod u+x conftest
 344 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
 345 if test $? -ne 69; then
 346    echo "It does!"
 347 else
 348    echo "It doesn't!  Perhaps \`#!$PerlCmd' is too long (often 32 characters max)"
 349    exit 1
 350 fi
 351 rm -f conftest
 352 #
 353 dnl ** check if perl library is properly installed
 354 # (by seeing if a "do 'getopts.pl'" works...
 355 if $PerlCmd -e 'do "getopts.pl" || exit(1); exit(0);' > /dev/null 2>&1 ; then
 356     :
 357 else
 358     echo "I think your perl library is misinstalled:"
 359     echo "The following script did not work:"
 360     echo '      do "getopts.pl" || exit(1); exit(0);'
 361     echo 'But, anyway, we will continue in our quest..'
 362 fi
 363 #
 364 #
 365 dnl ** look for GCC and find out which version
 366 # Figure out which C compiler to use.  Gcc is preferred.
 367 # If gcc, make sure it's at least 2.1
 368 #
 369 AC_PROG_CC
 370 if test -z "$GCC"; then
 371     echo "You would be better off with gcc"
 372     echo "Perhaps it is already installed, but not in your PATH?"
 373     HaveGcc='NO'
 374 else
 375     gcc -v > conftest.out 2>&1
 376     echo '/version (\d+)\.(\d+)/ && $1*10+$2 > 20 && print "YES";' > conftest.pl
 377     HaveGcc=`eval $PerlCmd -n conftest.pl conftest.out`
 378     if test -z "$HaveGcc"; then
 379         echo "I'm not sure if your version of gcc will work,"
 380         echo "but it's worth a shot, eh?"
 381         HaveGcc='YES'
 382     fi
 383     rm -fr conftest*
 384 fi
 385 AC_SUBST(HaveGcc)
 386
 387 # Deprecated (AC_PROG_CC does it): AC_C_CROSS
 388 #
 389 dnl ** figure out how to do context diffs
 390 # (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
 391 #
 392 echo foo > conftest1
 393 echo foo > conftest2
 394 if diff -C 1 conftest1 conftest2 > /dev/null 2>&1 ; then
 395     ContextDiffCmd='diff -C 1'
 396 else
 397     if diff -c1 conftest1 conftest2 > /dev/null 2>&1 ; then
 398         ContextDiffCmd='diff -c1'
 399     else
 400         echo "Can't figure out how to do context diffs."
 401         echo "Neither \`diff -C 1' nor \`diff -c1' works."
 402         exit 1
 403     fi
 404 fi
 405 rm -f conftest1 conftest2
 406 AC_SUBST(ContextDiffCmd)
 407 #
 408 dnl ** look for a decent parser generator (bison preferred)
 409 #
 410 #
 411 AC_CHECK_PROG(YaccCmd, bison, bison -y)
 412 if test -z "$YaccCmd"; then
 413     echo "Can't find bison out there..."
 414     AC_CHECK_PROG(WhatCmd, what, what, :)
 415     AC_CHECK_PROG(YaccCmd, yacc, $ac_dir/$ac_word)
 416     if test -z "$YaccCmd"; then
 417         echo "But that's okay...I can't find yacc either."
 418         YaccCmd=:
 419     else
 420         $WhatCmd $YaccCmd > conftest.out
 421         if egrep 'y1\.c 1\..*SMI' conftest.out >/dev/null 2>&1; then
 422             echo "I don't trust your $YaccCmd; it looks like an old Sun yacc"
 423             if test -f /usr/lang/yacc; then
 424                 echo "I'm going to use /usr/lang/yacc instead"
 425                 YaccCmd=/usr/lang/yacc
 426             else
 427                 echo "I'm assuming the worst...no parser generator at all"
 428                 YaccCmd=:
 429             fi
 430         elif egrep 'y1\.c.*Revision: 4\.2\.6\.3.*DEC' conftest.out >/dev/null 2>&1; then
 431             echo "I don't trust your $YaccCmd; it looks like a lame DEC yacc"
 432             echo "I'm assuming the worst...no parser generator at all"
 433             YaccCmd=:
 434         else
 435             echo "But that's okay...as far as I know, your yacc will work."
 436         fi
 437         rm -fr conftest*
 438     fi
 439 fi
 440
 441 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 442 #
 443 AC_PROG_LEX
 444
 445 # -------------------------------------------------------------------------
 446 #
 447 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 448 #
 449 AC_PROG_CPP
 450 if echo $CPP | egrep gcc >/dev/null 2>&1; then
 451     echo > conftest.c
 452     gcc -v -E conftest.c >/dev/null 2>conftest.out
 453     echo '/(\S+\/cpp)/ && print "$1";' > conftest.pl
 454     # GNUCPP: used in jmake.c (GnuCppCmd) and in mkdependC
 455     # (where we could do with the usual pre-#defines)
 456     GNUCPP="`eval $PerlCmd -n conftest.pl conftest.out`"
 457     test -n "$verbose" && echo "        setting GNUCPP to $GNUCPP"
 458     # RAWCPP: we do not want *any* pre-#defines...
 459     # (e.g., hscpp, mkdependHS)
 460     RAWCPP="`eval $PerlCmd -n conftest.pl conftest.out` -traditional"
 461     test -n "$verbose" && echo "        setting RAWCPP to $RAWCPP"
 462     rm -fr conftest*
 463 fi
 464 # ToDo: what are GNUCPP and RAWCPP if the above if didn't fire? WDP 95/02
 465 AC_SUBST(GNUCPP)
 466 AC_SUBST(RAWCPP)
 467 #
 468 dnl ** figure out how to do a BSD-ish install
 469 #
 470 AC_PROG_INSTALL
 471 #
 472 dnl ** figure out what arguments to feed to `ar'
 473 #
 474 AC_CHECK_PROG(ArCmd,ar,$ac_dir/$ac_word)
 475 if test -z "$ArCmd"; then
 476     echo "You don't seem to have ar...I have no idea how to make a library"
 477     exit 1;
 478 fi
 479 if $ArCmd clqs conftest.a >/dev/null 2>/dev/null; then
 480     ArCmd="$ArCmd clqs"
 481     NeedRanLib=''
 482 elif $ArCmd cqs conftest.a >/dev/null 2>/dev/null; then
 483     ArCmd="$ArCmd cqs"
 484     NeedRanLib=''
 485 elif $ArCmd clq conftest.a >/dev/null 2>/dev/null; then
 486     ArCmd="$ArCmd clq"
 487     NeedRanLib='YES'
 488 elif $ArCmd cq conftest.a >/dev/null 2>/dev/null; then
 489     ArCmd="$ArCmd cq"
 490     NeedRanLib='YES'
 491 elif $ArCmd cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then
 492     ArCmd="$ArCmd cq"
 493     NeedRanLib='YES'
 494 else
 495     echo "I can't figure out how to use your $ArCmd"
 496     exit 1
 497 fi
 498 rm -rf conftest*
 499 test -n "$ArCmd" && test -n "$verbose" && echo "        setting ArCmd to $ArCmd"
 500 AC_SUBST(ArCmd)
 501 #
 502 dnl ** figure out if we need `ranlib'
 503 #
 504 if test -z "$NeedRanLib"; then
 505     # we hackily override a few platforms on a case-by-case basis
 506     case $HostPlatform in
 507     i386-*-linuxaout)
 508         NeedRanLib='YES'
 509         ;;
 510     *)  RANLIB=':'
 511         ;;
 512     esac
 513     test -n "$verbose" && echo "        setting RANLIB to $RANLIB"
 514 fi
 515 if test -n "$NeedRanLib"; then
 516     AC_PROG_RANLIB
 517 fi
 518 AC_SUBST(RANLIB)
 519 #
 520 #
 521 dnl ** Check to see whether ln -s works
 522 #
 523 AC_PROG_LN_S()
 524 AC_SUBST(LN_S)
 525 #
 526 dnl ** Find the path to sed **
 527 AC_PATH_PROG(SedCmd,sed,$ac_dir/$ac_word)
 528 #
 529 # It better be around somewhere (we wouldn't
 530 # exec this script properly if it wasn't!)
 531 #
 532 AC_SUBST(SedCmd)
 533 #
 534 dnl ** check for time command **
 535 AC_PATH_PROG(TimeCmd,time,$ac_dir/$ac_word)
 536 #
 537 AC_SUBST(TimeCmd)
 538 #
 539 dnl ** check for tar **
 540 #
 541 # if GNU tar is named gtar, look for it first.
 542 #
 543 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 544
 545
 546 #
 547 dnl ** check for gzip/compress **
 548 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 549
 550 compress_nm=`basename $CompressCmd`
 551
 552 if test x"$compress_nm" = xgzip; then
 553   CompressCmd="$CompressCmd -d"
 554   CompressSuffix="gz"
 555 else
 556   CompressSuffix="Z"
 557 fi
 558 AC_SUBST(CompressCmd)
 559 AC_SUBST(CompressSuffix)
 560 #
 561 dnl ** check for installed happy binary
 562 #
 563 AC_PATH_PROG(HappyCmd,happy)
 564
 565 #
 566 #
 567 dnl ** check for installed lx binary
 568 #
 569 AC_PATH_PROG(LxCmd,lx)
 570
 571 #
 572 dnl ** check for installed green-card binary
 573 #
 574 AC_PATH_PROG(GreencardCmd,green-card)
 575
 576 dnl ** check for full ANSI header (.h) files
 577 #
 578 AC_HEADER_STDC
 579
 580 #
 581 dnl ** check for specific header (.h) files that we are interested in
 582 #
 583 AC_CHECK_HEADERS(dirent.h fcntl.h grp.h malloc.h memory.h nlist.h pwd.h siginfo.h signal.h stdlib.h string.h sys/fault.h sys/file.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/vadvise.h sys/wait.h termios.h time.h types.h unistd.h utime.h vfork.h readline/readline.h )
 584
 585 #
 586 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 587 #
 588 AC_HEADER_TIME
 589 #
 590 dnl ** how do we get a timezone name, and UTC offset ?
 591 #
 592 AC_STRUCT_TIMEZONE
 593
 594 #
 595 dnl what's the type of timezone?
 596 AC_TYPE_TIMEZONE
 597
 598 #
 599 dnl do we have altzone?
 600 AC_ALTZONE
 601
 602 #
 603 dnl ** check for specific library functions that we are interested in
 604 #
 605 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect setitimer stat sysconf timelocal times vadvise vfork)
 606
 607 #
 608 # Misc
 609 #
 610 dnl ** can we get alloca?
 611 AC_FUNC_ALLOCA
 612 dnl ** determine whether or not const works
 613 AC_C_CONST
 614 dnl ** determine the type of signal()
 615 AC_TYPE_SIGNAL
 616
 617 #
 618 dnl ** check for leading underscores in symbol names
 619 #
 620 AC_UNDERSCORE
 621
 622 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 623
 624 #
 625 # It'll break soon enough if it didn't, but we perform a sanity
 626 # check here on the generated config.mk file to see if the
 627 # sed that was used is of the well-behaved sort.
 628 #
 629 #grep @ mk/config.mk > conftest.out
 630 #if grep -v '#     enclosed in @at-signs@.' conftest.out >/dev/null 2>&1; then
 631 #   :
 632 #else
 633 #   echo 'Hmm..suspicious, did the configure script perform all the @..@ substitutions in mk/config.mk?..';
 634 #   grep -v '#     enclosed in @at-signs@.' conftest.out /dev/null
 635 #fi
 636 #rm -f conftest*
 637
 638 echo ''
 639 echo '************************************************'
 640 echo '*** NOW DO: gmake boot followed by gmake all'
 641 echo '************************************************'
 642 exit 0