make-config.sh

   1 #!/bin/sh
   2 set -e
   3
   4 # The make-config.sh script uses information about the target machine
   5 # to set things up for compilation. It's vaguely like a stripped-down
   6 # version of autoconf. It's intended to be run as part of make.sh. The
   7 # only time you'd want to run it by itself is if you're trying to
   8 # cross-compile the system or if you're doing some kind of
   9 # troubleshooting.
  10
  11 # This software is part of the SBCL system. See the README file for
  12 # more information.
  13 #
  14 # This software is derived from the CMU CL system, which was
  15 # written at Carnegie Mellon University and released into the
  16 # public domain. The software is in the public domain and is
  17 # provided with absolutely no warranty. See the COPYING and CREDITS
  18 # files for more information.
  19
  20 print_help="no"
  21
  22 # The classic form here was to use --userinit $DEVNULL --sysinit
  23 # $DEVNULL, but that doesn't work on Win32 because SBCL doesn't handle
  24 # device names properly. We still need $DEVNULL to be NUL on Win32
  25 # because it's used elsewhere (such as canonicalize-whitespace), so we
  26 # need an alternate solution for the init file overrides. --no-foos
  27 # have now been available long enough that this should not stop anyone
  28 # from building.
  29 if [ "$OSTYPE" = "cygwin" -o "$OSTYPE" = "msys" ]
  30 then
  31     SBCL_PREFIX="$PROGRAMFILES/sbcl"
  32 else
  33     SBCL_PREFIX="/usr/local"
  34 fi
  35 SBCL_XC_HOST="sbcl --disable-debugger --no-userinit --no-sysinit"
  36 export SBCL_XC_HOST
  37
  38 # Parse command-line options.
  39 bad_option() {
  40     echo $1
  41     echo "Enter \"$0 --help\" for list of valid options."
  42     exit 1
  43 }
  44
  45 WITH_FEATURES=""
  46 WITHOUT_FEATURES=""
  47 FANCY_FEATURES=":sb-core-compression :sb-xref-for-internals :sb-after-xc-core"
  48
  49 fancy=false
  50 some_options=false
  51 for option
  52 do
  53   optarg_ok=true
  54   # Split --foo=bar into --foo and bar.
  55   case $option in
  56       *=*)
  57         # For ease of scripting skip valued options with empty
  58         # values.
  59         optarg=`expr "X$option" : '[^=]*=\(.*\)'` || optarg_ok=false
  60         option=`expr "X$option" : 'X\([^=]*=\).*'`
  61         ;;
  62       --with*)
  63         optarg=`expr "X$option" : 'X--[^-]*-\(.*\)'` \
  64             || bad_option "Malformed feature toggle: $option"
  65         option=`expr "X$option" : 'X\(--[^-]*\).*'`
  66         ;;
  67       *)
  68         optarg=""
  69         ;;
  70   esac
  71
  72   case $option in
  73       --help | -help | -h)
  74         print_help="yes" ;;
  75       --prefix=)
  76         $optarg_ok && SBCL_PREFIX=$optarg
  77         ;;
  78       --arch=)
  79         $oparg_ok && SBCL_ARCH=$optarg
  80         ;;
  81       --xc-host=)
  82         $optarg_ok && SBCL_XC_HOST=$optarg
  83         ;;
  84       --dynamic-space-size=)
  85         $optarg_ok && SBCL_DYNAMIC_SPACE_SIZE=$optarg
  86         ;;
  87       --with)
  88         WITH_FEATURES="$WITH_FEATURES :$optarg"
  89         ;;
  90       --without)
  91         WITHOUT_FEATURES="$WITHOUT_FEATURES :$optarg"
  92         ;;
  93       --fancy)
  94         WITH_FEATURES="$WITH_FEATURES $FANCY_FEATURES"
  95         # Lower down we add :sb-thread for platforms where it can be built.
  96         fancy=true
  97         ;;
  98       -*)
  99         bad_option "Unknown command-line option to $0: \"$option\""
 100         ;;
 101       *)
 102         if $some_options
 103         then
 104             bad_option "Unknown command-line option to $0: \"$option\""
 105         else
 106             legacy_xc_spec=$option
 107         fi
 108         ;;
 109   esac
 110   some_options=true
 111 done
 112
 113 if (test -f customize-target-features.lisp && \
 114     (test -n "$WITH_FEATURES" || test -n "$WITHOUT_FEATURES"))
 115 then
 116     # Actually there's no reason why it would not work, but it would
 117     # be confusing to say --with-thread only to have it turned off by
 118     # customize-target-features.lisp...
 119     echo "ERROR: Both customize-target-features.lisp, and feature-options"
 120     echo "to make.sh present -- cannot use both at the same time."
 121     exit 1
 122 fi
 123
 124 # Previously XC host was provided as a positional argument.
 125 if test -n "$legacy_xc_spec"
 126 then
 127     SBCL_XC_HOST="$legacy_xc_spec"
 128 fi
 129
 130 if test "$print_help" = "yes"
 131 then
 132   cat <<EOF
 133 \`make.sh' drives the SBCL build.
 134
 135 Usage: $0 [OPTION]...
 136
 137   Important: make.sh does not currently control the entirety of the
 138   build: configuration file customize-target-features.lisp and certain
 139   environment variables play a role as well. see file INSTALL for
 140   details.
 141
 142 Options:
 143   -h, --help           Display this help and exit.
 144
 145   --prefix=<path>      Specify the install location.
 146
 147       Script install.sh installs SBCL under the specified prefix
 148       path: runtime as prefix/bin/sbcl, additional files under
 149       prefix/lib/sbcl, and documentation under prefix/share.
 150
 151       This option also affects the binaries: built-in default for
 152       SBCL_HOME is: prefix/lib/sbcl/
 153
 154       Default prefix is: /usr/local
 155
 156   --dynamic-space-size=<size> Default dynamic-space size for target.
 157
 158       This specifies the default dynamic-space size for the SBCL
 159       being built. If you need to control the dynamic-space size
 160       of the host SBCL, use the --xc-host option.
 161
 162       If not provided, the default is platform-specific. <size> is
 163       taken to be megabytes unless explicitly suffixed with Gb in
 164       order to specify the size in gigabytes.
 165
 166   --with-<feature>     Build with specified feature.
 167   --without-<feature>  Build wihout the specfied feature.
 168
 169   --fancy              Build with several optional features:
 170
 171                            $FANCY_FEATURES
 172
 173                        Plus threading on platforms which support it.
 174
 175   --arch=<string>      Specify the architecture to build for.
 176
 177       Mainly for doing x86 builds on x86-64.
 178
 179   --xc-host=<string>   Specify the Common Lisp compilation host.
 180
 181       The string provided should be a command to invoke the
 182       cross-compilation Lisp system in such a way, that it reads
 183       commands from standard input, and terminates when it reaches end
 184       of file on standard input.
 185
 186       Examples:
 187
 188        "sbcl --disable-debugger --no-sysinit --no-userinit"
 189                   Use an existing SBCL binary as a cross-compilation
 190                   host even though you have stuff in your
 191                   initialization files which makes it behave in such a
 192                   non-standard way that it keeps the build from
 193                   working. Also disable the debugger instead of
 194                   waiting endlessly for a programmer to help it out
 195                   with input on *DEBUG-IO*. (This is the default.)
 196
 197        "sbcl"
 198                   Use an existing SBCL binary as a cross-compilation
 199                   host, including your initialization files and
 200                   building with the debugger enabled. Not recommended
 201                   for casual users.
 202
 203        "lisp -noinit -batch"
 204                   Use an existing CMU CL binary as a cross-compilation
 205                   host when you have weird things in your .cmucl-init
 206                   file.
 207 EOF
 208   exit 1
 209 fi
 210
 211 mkdir -p output
 212 # Save prefix for make and install.sh.
 213 echo "SBCL_PREFIX='$SBCL_PREFIX'" > output/prefix.def
 214 echo "$SBCL_DYNAMIC_SPACE_SIZE" > output/dynamic-space-size.txt
 215
 216 # FIXME: Tweak this script, and the rest of the system, to support
 217 # a second bootstrapping pass in which the cross-compilation host is
 218 # known to be SBCL itself, so that the cross-compiler can do some
 219 # optimizations (especially specializable arrays) that it doesn't
 220 # know how to implement how in a portable way. (Or maybe that wouldn't
 221 # require a second pass, just testing at build-the-cross-compiler time
 222 # whether the cross-compilation host returns suitable values from
 223 # UPGRADED-ARRAY-ELEMENT-TYPE?)
 224
 225 if [ "$OSTYPE" = "cygwin" -o "$OSTYPE" = "msys" ] ; then
 226     DEVNULL=NUL
 227 else
 228     DEVNULL=/dev/null
 229 fi
 230 export DEVNULL
 231
 232 . ./find-gnumake.sh
 233 find_gnumake
 234
 235 . ./generate-version.sh
 236 generate_version
 237
 238 # Now that we've done our option parsing and found various
 239 # dependencies, write them out to a file to be sourced by other
 240 # scripts.
 241
 242 echo "DEVNULL=\"$DEVNULL\"; export DEVNULL" > output/build-config
 243 echo "GNUMAKE=\"$GNUMAKE\"; export GNUMAKE" >> output/build-config
 244 echo "SBCL_XC_HOST=\"$SBCL_XC_HOST\"; export SBCL_XC_HOST" >> output/build-config
 245 echo "legacy_xc_spec=\"$legacy_xc_spec\"; export legacy_xc_spec" >> output/build-config
 246
 247 # And now, sorting out the per-target dependencies...
 248
 249 case `uname` in
 250     Linux)
 251         sbcl_os="linux"
 252         ;;
 253     OSF1)
 254         # it's changed name twice since it was called OSF/1: clearly
 255         # the marketers forgot to tell the engineers about Digital Unix
 256         # _or_ OSF/1 ...
 257         sbcl_os="osf1"
 258         ;;
 259     *BSD)
 260         case `uname` in
 261             FreeBSD)
 262                 sbcl_os="freebsd"
 263                 ;;
 264             OpenBSD)
 265                 sbcl_os="openbsd"
 266                 ;;
 267             NetBSD)
 268                 sbcl_os="netbsd"
 269                 ;;
 270             *)
 271                 echo unsupported BSD variant: `uname`
 272                 exit 1
 273                 ;;
 274         esac
 275         ;;
 276     Darwin)
 277         sbcl_os="darwin"
 278         ;;
 279     SunOS)
 280         sbcl_os="sunos"
 281         ;;
 282     CYGWIN* | WindowsNT | MINGW*)
 283         sbcl_os="win32"
 284         ;;
 285     HP-UX)
 286         sbcl_os="hpux"
 287         ;;
 288     *)
 289         echo unsupported OS type: `uname`
 290         exit 1
 291         ;;
 292 esac
 293
 294 link_or_copy() {
 295    if [ "$sbcl_os" = "win32" ] ; then
 296        cp -r "$1" "$2"
 297    else
 298        ln -s "$1" "$2"
 299    fi
 300 }
 301
 302 remove_dir_safely() {
 303    if [ "$sbcl_os" = "win32" ] ; then
 304         if [ -d "$1" ] ; then
 305             rm -rf "$1"
 306         elif [ -e "$1" ] ; then
 307             echo "I'm afraid to remove non-directory $1."
 308             exit 1
 309         fi
 310     else
 311         if [ -h "$1" ] ; then
 312             rm "$1"
 313         elif [ -w "$1" ] ; then
 314             echo "I'm afraid to replace non-symlink $1 with a symlink."
 315             exit 1
 316         fi
 317     fi
 318 }
 319
 320 echo //entering make-config.sh
 321
 322 echo //ensuring the existence of output/ directory
 323 if [ ! -d output ] ; then mkdir output; fi
 324
 325 echo //guessing default target CPU architecture from host architecture
 326 case `uname -m` in
 327     *86) guessed_sbcl_arch=x86 ;;
 328     i86pc) guessed_sbcl_arch=x86 ;;
 329     *x86_64) guessed_sbcl_arch=x86-64 ;;
 330     amd64) guessed_sbcl_arch=x86-64 ;;
 331     [Aa]lpha) guessed_sbcl_arch=alpha ;;
 332     sparc*) guessed_sbcl_arch=sparc ;;
 333     sun*) guessed_sbcl_arch=sparc ;;
 334     *ppc) guessed_sbcl_arch=ppc ;;
 335     ppc64) guessed_sbcl_arch=ppc ;;
 336     Power*Macintosh) guessed_sbcl_arch=ppc ;;
 337     parisc) guessed_sbcl_arch=hppa ;;
 338     9000/800) guessed_sbcl_arch=hppa ;;
 339     mips*) guessed_sbcl_arch=mips ;;
 340     *)
 341         # If we're not building on a supported target architecture, we
 342         # we have no guess, but it's not an error yet, since maybe
 343         # target architecture will be specified explicitly below.
 344         guessed_sbcl_arch=''
 345         ;;
 346 esac
 347
 348 # Under Solaris, uname -m returns "i86pc" even if CPU is amd64.
 349 if [ "$sbcl_os" = "sunos" ] && [ `isainfo -k` = "amd64" ]; then
 350     guessed_sbcl_arch=x86-64
 351 fi
 352
 353 # Under Darwin, uname -m returns "i386" even if CPU is x86_64.
 354 if [ "$sbcl_os" = "darwin" ] && [ "`/usr/sbin/sysctl -n hw.optional.x86_64`" = "1" ]; then
 355     guessed_sbcl_arch=x86-64
 356 fi
 357
 358 echo //setting up CPU-architecture-dependent information
 359 if test -n "$SBCL_ARCH"
 360 then
 361     # Normalize it.
 362     SBCL_ARCH=`echo $SBCL_ARCH | tr '[A-Z]' '[a-z]' | tr _ -`
 363 fi
 364 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
 365 echo sbcl_arch=\"$sbcl_arch\"
 366 if [ "$sbcl_arch" = "" ] ; then
 367     echo "can't guess target SBCL architecture, please specify --arch=<name>"
 368     exit 1
 369 fi
 370 if $fancy
 371 then
 372     # If --fancy, enable threads on platforms where they can be built.
 373     case $sbcl_arch in
 374         x86|x86-64|ppc)
 375             if [ "$sbcl_os" = "sunos" ] && [ "$sbcl_arch" = "x86-64" ]
 376             then
 377                 echo "No threads on this platform."
 378             else
 379                 WITH_FEATURES="$WITH_FEATURES :sb-thread"
 380                 echo "Enabling threads due to --fancy."
 381             fi
 382             ;;
 383         *)
 384             echo "No threads on this platform."
 385             ;;
 386     esac
 387 fi
 388
 389 ltf=`pwd`/local-target-features.lisp-expr
 390 echo //initializing $ltf
 391 echo ';;;; This is a machine-generated file.' > $ltf
 392 echo ';;;; Please do not edit it by hand.' >> $ltf
 393 echo ';;;; See make-config.sh.' >> $ltf
 394 echo "((lambda (features) (set-difference features (list$WITHOUT_FEATURES)))" >> $ltf
 395 printf " (union (list$WITH_FEATURES) (list " >> $ltf
 396
 397 printf ":%s" "$sbcl_arch" >> $ltf
 398
 399 echo //setting up OS-dependent information
 400 # Under Darwin x86-64, guess whether Darwin 9+ or below.
 401 if [ "$sbcl_os" = "darwin" ] && [ "$sbcl_arch" = "x86-64" ]; then
 402     darwin_version=`uname -r`
 403     darwin_version_major=${DARWIN_VERSION_MAJOR:-${darwin_version%%.*}}
 404     if (( 8 < $darwin_version_major )); then
 405         printf ' :inode64 :darwin9-or-better' >> $ltf
 406     fi
 407 fi
 408
 409 original_dir=`pwd`
 410 cd ./src/runtime/
 411 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
 412 # KLUDGE: these two logically belong in the previous section
 413 # ("architecture-dependent"); it seems silly to enforce this in terms
 414 # of the shell script, though. -- CSR, 2002-02-03
 415 link_or_copy $sbcl_arch-arch.h target-arch.h
 416 link_or_copy $sbcl_arch-lispregs.h target-lispregs.h
 417 case "$sbcl_os" in
 418     linux)
 419         printf ' :unix' >> $ltf
 420         printf ' :elf' >> $ltf
 421         printf ' :linux' >> $ltf
 422
 423         # If you add other platforms here, don't forget to edit
 424         # src/runtime/Config.foo-linux too.
 425         case "$sbcl_arch" in
 426             mips)
 427                 printf ' :largefile' >> $ltf
 428                 ;;
 429             x86 | x86-64)
 430                 printf ' :sb-thread :sb-futex :largefile' >> $ltf
 431                 ;;
 432             ppc)
 433                 printf ' :sb-futex' >> $ltf
 434                 ;;
 435         esac
 436
 437         if [ $sbcl_arch = "x86-64" ]; then
 438             link_or_copy Config.x86_64-linux Config
 439         else
 440             link_or_copy Config.$sbcl_arch-linux Config
 441         fi
 442         link_or_copy $sbcl_arch-linux-os.h target-arch-os.h
 443         link_or_copy linux-os.h target-os.h
 444         ;;
 445     osf1)
 446         printf ' :unix' >> $ltf
 447         printf ' :elf' >> $ltf
 448         printf ' :osf1' >> $ltf
 449         link_or_copy Config.$sbcl_arch-osf1 Config
 450         link_or_copy $sbcl_arch-osf1-os.h target-arch-os.h
 451         link_or_copy osf1-os.h target-os.h
 452         ;;
 453     hpux)
 454         printf ' :unix' >> $ltf
 455         printf ' :elf' >> $ltf
 456         printf ' :hpux' >> $ltf
 457         link_or_copy Config.$sbcl_arch-hpux Config
 458         link_or_copy $sbcl_arch-hpux-os.h target-arch-os.h
 459         link_or_copy hpux-os.h target-os.h
 460         ;;
 461     *bsd)
 462         printf ' :unix' >> $ltf
 463         printf ' :bsd' >> $ltf
 464         link_or_copy $sbcl_arch-bsd-os.h target-arch-os.h
 465         link_or_copy bsd-os.h target-os.h
 466         case "$sbcl_os" in
 467             freebsd)
 468                 printf ' :elf' >> $ltf
 469                 printf ' :freebsd' >> $ltf
 470                 printf ' :gcc-tls' >> $ltf
 471                 if [ $sbcl_arch = "x86" ]; then
 472                     printf ' :restore-tls-segment-register-from-context' >> $ltf
 473                 fi
 474                 link_or_copy Config.$sbcl_arch-freebsd Config
 475                 ;;
 476             openbsd)
 477                 printf ' :elf' >> $ltf
 478                 printf ' :openbsd' >> $ltf
 479                 link_or_copy Config.$sbcl_arch-openbsd Config
 480                 ;;
 481             netbsd)
 482                 printf ' :netbsd' >> $ltf
 483                 printf ' :elf' >> $ltf
 484                 link_or_copy Config.$sbcl_arch-netbsd Config
 485                 ;;
 486             *)
 487                 echo unsupported BSD variant: `uname`
 488                 exit 1
 489                 ;;
 490         esac
 491         ;;
 492     darwin)
 493         printf ' :unix' >> $ltf
 494         printf ' :mach-o' >> $ltf
 495         printf ' :bsd' >> $ltf
 496         printf ' :darwin' >> $ltf
 497         if [ $sbcl_arch = "x86" ]; then
 498             printf ' :mach-exception-handler :restore-fs-segment-register-from-tls :ud2-breakpoints' >> $ltf
 499         fi
 500         if [ $sbcl_arch = "x86-64" ]; then
 501             printf ' :mach-exception-handler :ud2-breakpoints' >> $ltf
 502         fi
 503         link_or_copy $sbcl_arch-darwin-os.h target-arch-os.h
 504         link_or_copy bsd-os.h target-os.h
 505         link_or_copy Config.$sbcl_arch-darwin Config
 506         ;;
 507     sunos)
 508         printf ' :unix' >> $ltf
 509         printf ' :elf' >> $ltf
 510         printf ' :sunos' >> $ltf
 511         if [ $sbcl_arch = "x86-64" ]; then
 512             printf ' :largefile' >> $ltf
 513         fi
 514         link_or_copy Config.$sbcl_arch-sunos Config
 515         link_or_copy $sbcl_arch-sunos-os.h target-arch-os.h
 516         link_or_copy sunos-os.h target-os.h
 517         ;;
 518     win32)
 519         printf ' :win32' >> $ltf
 520         link_or_copy Config.$sbcl_arch-win32 Config
 521         link_or_copy $sbcl_arch-win32-os.h target-arch-os.h
 522         link_or_copy win32-os.h target-os.h
 523         ;;
 524     *)
 525         echo unsupported OS type: `uname`
 526         exit 1
 527         ;;
 528 esac
 529 cd "$original_dir"
 530
 531 # FIXME: Things like :c-stack-grows-..., etc, should be
 532 # *derived-target-features* or equivalent, so that there was a nicer
 533 # way to specify them then sprinkling them in this file. They should
 534 # still be tweakable by advanced users, though, but probably not
 535 # appear in *features* of target. #!+/- should be adjusted to take
 536 # them in account as well. At minimum the nicer specification stuff,
 537 # though:
 538 #
 539 # (define-feature :dlopen (features)
 540 #   (union '(:bsd :linux :darwin :sunos) features))
 541 #
 542 # (define-feature :c-stack-grows-downwards-not-upwards (features)
 543 #   (member :x86 features))
 544
 545 # KLUDGE: currently the x86 only works with the generational garbage
 546 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
 547 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
 548 # the absence of :GENCGC in *FEATURES*). This isn't a great
 549 # separation, but for now, rather than have :GENCGC in
 550 # base-target-features.lisp-expr, we add it into local-target-features
 551 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
 552 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
 553 if [ "$sbcl_arch" = "x86" ]; then
 554     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
 555     printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
 556     printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
 557     printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
 558     printf ' :alien-callbacks :cycle-counter :inline-constants ' >> $ltf
 559     printf ' :memory-barrier-vops :multiply-high-vops' >> $ltf
 560     case "$sbcl_os" in
 561     linux | freebsd | netbsd | openbsd | sunos | darwin | win32)
 562         printf ' :linkage-table' >> $ltf
 563     esac
 564     if [ "$sbcl_os" = "win32" ]; then
 565         # of course it doesn't provide dlopen, but there is
 566         # roughly-equivalent magic nevertheless.
 567         printf ' :os-provides-dlopen' >> $ltf
 568     fi
 569     if [ "$sbcl_os" = "openbsd" ]; then
 570         rm -f src/runtime/openbsd-sigcontext.h
 571         sh tools-for-build/openbsd-sigcontext.sh > src/runtime/openbsd-sigcontext.h
 572     fi
 573 elif [ "$sbcl_arch" = "x86-64" ]; then
 574     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
 575     printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
 576     printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
 577     printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
 578     printf ' :alien-callbacks :cycle-counter :complex-float-vops' >> $ltf
 579     printf ' :float-eql-vops :inline-constants :memory-barrier-vops' >> $ltf
 580     printf ' :multiply-high-vops' >> $ltf
 581 elif [ "$sbcl_arch" = "mips" ]; then
 582     printf ' :cheneygc :linkage-table' >> $ltf
 583     printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
 584     printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
 585     printf ' :alien-callbacks' >> $ltf
 586 elif [ "$sbcl_arch" = "ppc" ]; then
 587     printf ' :gencgc :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
 588     printf ' :linkage-table :raw-instance-init-vops :memory-barrier-vops' >> $ltf
 589     printf ' :compare-and-swap-vops :multiply-high-vops' >> $ltf
 590     if [ "$sbcl_os" = "linux" ]; then
 591         # Use a C program to detect which kind of glibc we're building on,
 592         # to bandage across the break in source compatibility between
 593         # versions 2.3.1 and 2.3.2
 594         #
 595         # FIXME: integrate to grovel-features, mayhaps
 596         $GNUMAKE -C tools-for-build where-is-mcontext -I ../src/runtime
 597         tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h || (echo "error running where-is-mcontext"; exit 1)
 598     elif [ "$sbcl_os" = "darwin" ]; then
 599         # We provide a dlopen shim, so a little lie won't hurt
 600         printf " :os-provides-dlopen :alien-callbacks" >> $ltf
 601         # The default stack ulimit under darwin is too small to run PURIFY.
 602         # Best we can do is complain and exit at this stage
 603         if [ "`ulimit -s`" = "512" ]; then
 604             echo "Your stack size limit is too small to build SBCL."
 605             echo "See the limit(1) or ulimit(1) commands and the README file."
 606             exit 1
 607         fi
 608     fi
 609 elif [ "$sbcl_arch" = "sparc" ]; then
 610     # Test the compiler in order to see if we are building on Sun
 611     # toolchain as opposed to GNU binutils, and write the appropriate
 612     # FUNCDEF macro for assembler. No harm in running this on sparc-linux
 613     # as well.
 614     sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
 615     printf ' :cheneygc' >> $ltf
 616     if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
 617         printf ' :linkage-table' >> $ltf
 618     fi
 619     printf ' :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
 620 elif [ "$sbcl_arch" = "alpha" ]; then
 621     printf ' :cheneygc' >> $ltf
 622     printf ' :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
 623 elif [ "$sbcl_arch" = "hppa" ]; then
 624     printf ' :cheneygc' >> $ltf
 625     printf ' :stack-allocatable-vectors :stack-allocatable-fixed-objects' >> $ltf
 626     printf ' :stack-allocatable-lists' >> $ltf
 627 else
 628     # Nothing need be done in this case, but sh syntax wants a placeholder.
 629     echo > /dev/null
 630 fi
 631
 632 # Use a little C program to try to guess the endianness.  Ware
 633 # cross-compilers!
 634 #
 635 # FIXME: integrate to grovel-features, mayhaps
 636 $GNUMAKE -C tools-for-build determine-endianness -I ../src/runtime
 637 tools-for-build/determine-endianness >> $ltf
 638
 639 export sbcl_os sbcl_arch
 640 sh tools-for-build/grovel-features.sh >> $ltf
 641
 642 echo //finishing $ltf
 643 echo ')))' >> $ltf
 644
 645 # FIXME: The version system should probably be redone along these lines:
 646 #
 647 # echo //setting up version information.
 648 # versionfile=version.txt
 649 # cp base-version.txt $versionfile
 650 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
 651 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
 652
 653 # Make a unique ID for this build (to discourage people from
 654 # mismatching sbcl and *.core files).
 655 if [ `uname` = "SunOS" ] ; then
 656   # use /usr/xpg4/bin/id instead of /usr/bin/id
 657   PATH=/usr/xpg4/bin:$PATH
 658 fi
 659 echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp