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