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