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 case `uname` in
  21     Linux)
  22         sbcl_os="linux"
  23         ;;
  24     OSF1)
  25         # it's changed name twice since it was called OSF/1: clearly
  26         # the marketers forgot to tell the engineers about Digital Unix
  27         # _or_ OSF/1 ...
  28         sbcl_os="osf1"
  29         ;;
  30     *BSD)
  31         case `uname` in
  32             FreeBSD)
  33                 sbcl_os="freebsd"
  34                 ;;
  35             OpenBSD)
  36                 sbcl_os="openbsd"
  37                 ;;
  38             NetBSD)
  39                 sbcl_os="netbsd"
  40                 ;;
  41             *)
  42                 echo unsupported BSD variant: `uname`
  43                 exit 1
  44                 ;;
  45         esac
  46         ;;
  47     Darwin)
  48         sbcl_os="darwin"
  49         ;;
  50     SunOS)
  51         sbcl_os="sunos"
  52         ;;
  53     CYGWIN* | WindowsNT | MINGW*)
  54         sbcl_os="win32"
  55         ;;
  56     HP-UX)
  57         sbcl_os="hpux"
  58         ;;
  59     *)
  60         echo unsupported OS type: `uname`
  61         exit 1
  62         ;;
  63 esac
  64
  65 link_or_copy() {
  66    if [ "$sbcl_os" = "win32" ] ; then
  67        cp -r "$1" "$2"
  68    else
  69        ln -s "$1" "$2"
  70    fi
  71 }
  72
  73 remove_dir_safely() {
  74    if [ "$sbcl_os" = "win32" ] ; then
  75         if [ -d "$1" ] ; then
  76             rm -rf "$1"
  77         elif [ -e "$1" ] ; then
  78             echo "I'm afraid to remove non-directory $1."
  79             exit 1
  80         fi
  81     else
  82         if [ -h "$1" ] ; then
  83             rm "$1"
  84         elif [ -w "$1" ] ; then
  85             echo "I'm afraid to replace non-symlink $1 with a symlink."
  86             exit 1
  87         fi
  88     fi
  89 }
  90
  91 echo //entering make-config.sh
  92
  93 echo //ensuring the existence of output/ directory
  94 if [ ! -d output ] ; then mkdir output; fi
  95
  96 ltf=`pwd`/local-target-features.lisp-expr
  97 echo //initializing $ltf
  98 echo ';;;; This is a machine-generated file.' > $ltf
  99 echo ';;;; Please do not edit it by hand.' >> $ltf
 100 echo ';;;; See make-config.sh.' >> $ltf
 101 printf '(' >> $ltf
 102
 103 echo //guessing default target CPU architecture from host architecture
 104 case `uname -m` in
 105     *86) guessed_sbcl_arch=x86 ;;
 106     i86pc) guessed_sbcl_arch=x86 ;;
 107     *x86_64) guessed_sbcl_arch=x86-64 ;;
 108     amd64) guessed_sbcl_arch=x86-64 ;;
 109     [Aa]lpha) guessed_sbcl_arch=alpha ;;
 110     sparc*) guessed_sbcl_arch=sparc ;;
 111     sun*) guessed_sbcl_arch=sparc ;;
 112     *ppc) guessed_sbcl_arch=ppc ;;
 113     ppc64) guessed_sbcl_arch=ppc ;;
 114     Power*Macintosh) guessed_sbcl_arch=ppc ;;
 115     parisc) guessed_sbcl_arch=hppa ;;
 116     9000/800) guessed_sbcl_arch=hppa ;;
 117     mips*) guessed_sbcl_arch=mips ;;
 118     *)
 119         # If we're not building on a supported target architecture, we
 120         # we have no guess, but it's not an error yet, since maybe
 121         # target architecture will be specified explicitly below.
 122         guessed_sbcl_arch=''
 123         ;;
 124 esac
 125
 126 echo //setting up CPU-architecture-dependent information
 127 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
 128 echo sbcl_arch=\"$sbcl_arch\"
 129 if [ "$sbcl_arch" = "" ] ; then
 130     echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
 131     exit 1
 132 fi
 133 printf ":%s" "$sbcl_arch" >> $ltf
 134
 135 for d in src/compiler src/assembly; do
 136     echo //setting up symlink $d/target
 137     original_dir=`pwd`
 138     remove_dir_safely "$d/target"
 139     cd ./$d
 140     if [ -d $sbcl_arch ] ; then
 141         link_or_copy $sbcl_arch target
 142     else
 143         echo "missing sbcl_arch directory $PWD/$sbcl_arch"
 144         exit 1
 145     fi
 146     cd "$original_dir"
 147 done
 148
 149 echo //setting up symlink src/compiler/assembly
 150 remove_dir_safely src/compiler/assembly
 151 original_dir=`pwd`
 152 cd src/compiler
 153 link_or_copy ../assembly assembly
 154 cd "$original_dir"
 155
 156 echo //setting up OS-dependent information
 157 original_dir=`pwd`
 158 cd ./src/runtime/
 159 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
 160 # KLUDGE: these two logically belong in the previous section
 161 # ("architecture-dependent"); it seems silly to enforce this in terms
 162 # of the shell script, though. -- CSR, 2002-02-03
 163 link_or_copy $sbcl_arch-arch.h target-arch.h
 164 link_or_copy $sbcl_arch-lispregs.h target-lispregs.h
 165 case "$sbcl_os" in
 166     linux)
 167         printf ' :unix' >> $ltf
 168         printf ' :elf' >> $ltf
 169         printf ' :linux' >> $ltf
 170
 171         # If you add other platforms here, don't forget to edit
 172         # src/runtime/Config.foo-linux too.
 173         case "$sbcl_arch" in
 174         x86 | mips)
 175             printf ' :largefile' >> $ltf
 176             ;;
 177         esac
 178
 179         if [ $sbcl_arch = "x86-64" ]; then
 180             link_or_copy Config.x86_64-linux Config
 181         else
 182             link_or_copy Config.$sbcl_arch-linux Config
 183         fi
 184         link_or_copy $sbcl_arch-linux-os.h target-arch-os.h
 185         link_or_copy linux-os.h target-os.h
 186         ;;
 187     osf1)
 188         printf ' :unix' >> $ltf
 189         printf ' :elf' >> $ltf
 190         printf ' :osf1' >> $ltf
 191         link_or_copy Config.$sbcl_arch-osf1 Config
 192         link_or_copy $sbcl_arch-osf1-os.h target-arch-os.h
 193         link_or_copy osf1-os.h target-os.h
 194         ;;
 195     hpux)
 196         printf ' :unix' >> $ltf
 197         printf ' :elf' >> $ltf
 198         printf ' :hpux' >> $ltf
 199         link_or_copy Config.$sbcl_arch-hpux Config
 200         link_or_copy $sbcl_arch-hpux-os.h target-arch-os.h
 201         link_or_copy hpux-os.h target-os.h
 202         ;;
 203     *bsd)
 204         printf ' :unix' >> $ltf
 205         printf ' :bsd' >> $ltf
 206         link_or_copy $sbcl_arch-bsd-os.h target-arch-os.h
 207         link_or_copy bsd-os.h target-os.h
 208         case "$sbcl_os" in
 209             freebsd)
 210                 printf ' :elf' >> $ltf
 211                 printf ' :freebsd' >> $ltf
 212                 printf ' :gcc-tls' >> $ltf
 213                 if [ $sbcl_arch = "x86" ]; then
 214                     printf ' :restore-tls-segment-register-from-context' >> $ltf
 215                 fi
 216                 link_or_copy Config.$sbcl_arch-freebsd Config
 217                 ;;
 218             openbsd)
 219                 printf ' :elf' >> $ltf
 220                 printf ' :openbsd' >> $ltf
 221                 link_or_copy Config.$sbcl_arch-openbsd Config
 222                 ;;
 223             netbsd)
 224                 printf ' :netbsd' >> $ltf
 225                 printf ' :elf' >> $ltf
 226                 link_or_copy Config.$sbcl_arch-netbsd Config
 227                 ;;
 228             *)
 229                 echo unsupported BSD variant: `uname`
 230                 exit 1
 231                 ;;
 232         esac
 233         ;;
 234     darwin)
 235         printf ' :unix' >> $ltf
 236         printf ' :mach-o' >> $ltf
 237         printf ' :bsd' >> $ltf
 238         printf ' :darwin' >> $ltf
 239         if [ $sbcl_arch = "x86" ]; then
 240             printf ' :mach-exception-handler :sb-lutex :restore-fs-segment-register-from-tls' >> $ltf
 241         fi
 242         if [ $sbcl_arch = "x86-64" ]; then
 243             printf ' :mach-exception-handler :sb-lutex' >> $ltf
 244         fi
 245         link_or_copy $sbcl_arch-darwin-os.h target-arch-os.h
 246         link_or_copy bsd-os.h target-os.h
 247         link_or_copy Config.$sbcl_arch-darwin Config
 248         ;;
 249     sunos)
 250         printf ' :unix' >> $ltf
 251         printf ' :elf' >> $ltf
 252         printf ' :sunos' >> $ltf
 253         if [ $sbcl_arch = "x86" ]; then
 254             printf ' :sb-lutex' >> $ltf
 255         fi
 256         link_or_copy Config.$sbcl_arch-sunos Config
 257         link_or_copy $sbcl_arch-sunos-os.h target-arch-os.h
 258         link_or_copy sunos-os.h target-os.h
 259         ;;
 260     win32)
 261         printf ' :win32' >> $ltf
 262         link_or_copy Config.$sbcl_arch-win32 Config
 263         link_or_copy $sbcl_arch-win32-os.h target-arch-os.h
 264         link_or_copy win32-os.h target-os.h
 265         ;;
 266     *)
 267         echo unsupported OS type: `uname`
 268         exit 1
 269         ;;
 270 esac
 271 cd "$original_dir"
 272
 273 # FIXME: Things like :c-stack-grows-..., etc, should be
 274 # *derived-target-features* or equivalent, so that there was a nicer
 275 # way to specify them then sprinkling them in this file. They should
 276 # still be tweakable by advanced users, though, but probably not
 277 # appear in *features* of target. #!+/- should be adjusted to take
 278 # them in account as well. At minimum the nicer specification stuff,
 279 # though:
 280 #
 281 # (define-feature :dlopen (features)
 282 #   (union '(:bsd :linux :darwin :sunos) features))
 283 #
 284 # (define-feature :c-stack-grows-downwards-not-upwards (features)
 285 #   (member :x86 features))
 286
 287 # KLUDGE: currently the x86 only works with the generational garbage
 288 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
 289 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
 290 # the absence of :GENCGC in *FEATURES*). This isn't a great
 291 # separation, but for now, rather than have :GENCGC in
 292 # base-target-features.lisp-expr, we add it into local-target-features
 293 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
 294 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
 295 if [ "$sbcl_arch" = "x86" ]; then
 296     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
 297     printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
 298     printf ' :stack-allocatable-closures :alien-callbacks :cycle-counter' >> $ltf
 299     case "$sbcl_os" in
 300     linux | freebsd | netbsd | openbsd | sunos | darwin | win32)
 301         printf ' :linkage-table' >> $ltf
 302     esac
 303     if [ "$sbcl_os" = "win32" ]; then
 304         # of course it doesn't provide dlopen, but there is
 305         # roughly-equivalent magic nevertheless.
 306         printf ' :os-provides-dlopen' >> $ltf
 307     fi
 308 elif [ "$sbcl_arch" = "x86-64" ]; then
 309     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
 310     printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
 311     printf ' :stack-allocatable-closures :alien-callbacks :cycle-counter' >> $ltf
 312 elif [ "$sbcl_arch" = "mips" ]; then
 313     printf ' :linkage-table' >> $ltf
 314     printf ' :stack-allocatable-closures' >> $ltf
 315     printf ' :alien-callbacks' >> $ltf
 316     # Use a little C program to try to guess the endianness.  Ware
 317     # cross-compilers!
 318     #
 319     # FIXME: integrate to grovel-features, mayhaps
 320     $GNUMAKE -C tools-for-build determine-endianness -I ../src/runtime
 321     tools-for-build/determine-endianness >> $ltf
 322 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
 323     # Use a C program to detect which kind of glibc we're building on,
 324     # to bandage across the break in source compatibility between
 325     # versions 2.3.1 and 2.3.2
 326     #
 327     # FIXME: integrate to grovel-features, mayhaps
 328     printf ' :gencgc :stack-allocatable-closures :linkage-table' >> $ltf
 329     $GNUMAKE -C tools-for-build where-is-mcontext -I ../src/runtime
 330     tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h || (echo "error running where-is-mcontext"; exit 1)
 331 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
 332     printf ' :gencgc :stack-allocatable-closures' >> $ltf
 333     # We provide a dlopen shim, so a little lie won't hurt
 334     printf " :os-provides-dlopen :linkage-table :alien-callbacks" >> $ltf
 335     # The default stack ulimit under darwin is too small to run PURIFY.
 336     # Best we can do is complain and exit at this stage
 337     if [ "`ulimit -s`" = "512" ]; then
 338         echo "Your stack size limit is too small to build SBCL."
 339         echo "See the limit(1) or ulimit(1) commands and the README file."
 340         exit 1
 341     fi
 342 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "netbsd" ]; then
 343     printf ' :gencgc :stack-allocatable-closures :linkage-table' >> $ltf
 344 elif [ "$sbcl_arch" = "sparc" ]; then
 345     # Test the compiler in order to see if we are building on Sun
 346     # toolchain as opposed to GNU binutils, and write the appropriate
 347     # FUNCDEF macro for assembler. No harm in running this on sparc-linux
 348     # as well.
 349     sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
 350     if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
 351         printf ' :linkage-table' >> $ltf
 352     fi
 353     printf ' :stack-allocatable-closures' >> $ltf
 354 elif [ "$sbcl_arch" = "alpha" ]; then
 355     printf ' :stack-allocatable-closures' >> $ltf
 356 else
 357     # Nothing need be done in this case, but sh syntax wants a placeholder.
 358     echo > /dev/null
 359 fi
 360
 361 export sbcl_os sbcl_arch
 362 sh tools-for-build/grovel-features.sh >> $ltf
 363
 364 echo //finishing $ltf
 365 echo ')' >> $ltf
 366
 367 # FIXME: The version system should probably be redone along these lines:
 368 #
 369 # echo //setting up version information.
 370 # versionfile=version.txt
 371 # cp base-version.txt $versionfile
 372 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
 373 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
 374
 375 # Make a unique ID for this build (to discourage people from
 376 # mismatching sbcl and *.core files).
 377 if [ `uname` = "SunOS" ] ; then
 378   # use /usr/xpg4/bin/id instead of /usr/bin/id
 379   PATH=/usr/xpg4/bin:$PATH
 380 fi
 381 echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp