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