make-config.sh

   1 #!/bin/sh
   2
   3 # The make-config.sh script uses information about the target machine
   4 # to set things up for compilation. It's vaguely like a stripped-down
   5 # version of autoconf. It's intended to be run as part of make.sh. The
   6 # only time you'd want to run it by itself is if you're trying to
   7 # cross-compile the system or if you're doing some kind of
   8 # troubleshooting.
   9
  10 # This software is part of the SBCL system. See the README file for
  11 # more information.
  12 #
  13 # This software is derived from the CMU CL system, which was
  14 # written at Carnegie Mellon University and released into the
  15 # public domain. The software is in the public domain and is
  16 # provided with absolutely no warranty. See the COPYING and CREDITS
  17 # files for more information.
  18
  19 echo //entering make-config.sh
  20
  21 echo //ensuring the existence of output/ directory
  22 if [ ! -d output ] ; then mkdir output; fi
  23
  24 ltf=`pwd`/local-target-features.lisp-expr
  25 echo //initializing $ltf
  26 echo ';;;; This is a machine-generated file.' > $ltf
  27 echo ';;;; Please do not edit it by hand.' >> $ltf
  28 echo ';;;; See make-config.sh.' >> $ltf
  29 printf '(' >> $ltf
  30
  31 echo //guessing default target CPU architecture from host architecture
  32 case `uname -m` in
  33     *86) guessed_sbcl_arch=x86 ;;
  34     *x86_64) guessed_sbcl_arch=x86-64 ;;
  35     [Aa]lpha) guessed_sbcl_arch=alpha ;;
  36     sparc*) guessed_sbcl_arch=sparc ;;
  37     sun*) guessed_sbcl_arch=sparc ;;
  38     ppc) guessed_sbcl_arch=ppc ;;
  39     Power*Macintosh) guessed_sbcl_arch=ppc ;;
  40     parisc) guessed_sbcl_arch=hppa ;;
  41     mips) guessed_sbcl_arch=mips ;;
  42     *)
  43         # If we're not building on a supported target architecture, we
  44         # we have no guess, but it's not an error yet, since maybe
  45         # target architecture will be specified explicitly below.
  46         guessed_sbcl_arch=''
  47         ;;
  48 esac
  49
  50 echo //setting up CPU-architecture-dependent information
  51 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
  52 echo sbcl_arch=\"$sbcl_arch\"
  53 if [ "$sbcl_arch" = "" ] ; then
  54     echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
  55     exit 1
  56 fi
  57 printf ":%s" "$sbcl_arch" >> $ltf
  58
  59 for d in src/compiler src/assembly; do
  60     echo //setting up symlink $d/target
  61     original_dir=`pwd`
  62     cd ./$d
  63     if [ -h target ] ; then
  64         rm target
  65     elif [ -w target ] ; then
  66         echo "I'm afraid to replace non-symlink $d/target with a symlink."
  67         exit 1
  68     fi
  69     if [ -d $sbcl_arch ] ; then
  70         ln -s $sbcl_arch target
  71     else
  72         echo "missing sbcl_arch directory $PWD/$sbcl_arch"
  73         exit 1
  74     fi
  75     cd $original_dir
  76 done
  77
  78 echo //setting up symlink src/compiler/assembly
  79 if [ -h src/compiler/assembly ] ; then
  80     rm src/compiler/assembly
  81 elif [ -w src/compiler/assembly ] ; then
  82     echo "I'm afraid to replace non-symlink compiler/assembly with a symlink."
  83     exit 1
  84 fi
  85 ln -s ../assembly src/compiler/assembly
  86
  87 echo //setting up OS-dependent information
  88 original_dir=`pwd`
  89 cd ./src/runtime/
  90 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
  91 # KLUDGE: these two logically belong in the previous section
  92 # ("architecture-dependent"); it seems silly to enforce this in terms
  93 # of the shell script, though. -- CSR, 2002-02-03
  94 ln -s $sbcl_arch-arch.h target-arch.h
  95 ln -s $sbcl_arch-lispregs.h target-lispregs.h
  96 case `uname` in
  97     Linux)
  98         printf ' :linux' >> $ltf
  99         sbcl_os="linux"
 100         if [ "`uname -m`" = "x86_64" ]; then
 101             ln -s Config.x86_64-linux Config
 102         else
 103             ln -s Config.$sbcl_arch-linux Config
 104         fi
 105         ln -s $sbcl_arch-linux-os.h target-arch-os.h
 106         ln -s linux-os.h target-os.h
 107         ;;
 108     OSF1)
 109         # it's changed name twice since it was called OSF/1: clearly
 110         # the marketers forgot to tell the engineers about Digital Unix
 111         # _or_ OSF/1 ...
 112         printf ' :osf1' >> $ltf
 113         sbcl_os="osf1"
 114         ln -s Config.$sbcl_arch-osf1 Config
 115         ln -s $sbcl_arch-osf1-os.h target-arch-os.h
 116         ln -s osf1-os.h target-os.h
 117         ;;
 118     *BSD)
 119         printf ' :bsd' >> $ltf
 120         ln -s $sbcl_arch-bsd-os.h target-arch-os.h
 121         ln -s bsd-os.h target-os.h
 122         case `uname` in
 123             FreeBSD)
 124                 printf ' :freebsd' >> $ltf
 125                 sbcl_os="freebsd"
 126                 ln -s Config.$sbcl_arch-freebsd Config
 127                 ;;
 128             OpenBSD)
 129                 printf ' :openbsd' >> $ltf
 130                 sbcl_os="openbsd"
 131                 ln -s Config.$sbcl_arch-openbsd Config
 132                 ;;
 133             NetBSD)
 134                 printf ' :netbsd' >> $ltf
 135                 sbcl_os="netbsd"
 136                 ln -s Config.$sbcl_arch-netbsd Config
 137                 ;;
 138             *)
 139                 echo unsupported BSD variant: `uname`
 140                 exit 1
 141                 ;;
 142         esac
 143         ;;
 144     Darwin)
 145         printf ' :bsd' >> $ltf
 146         sbcl_os="darwin"
 147         ln -s $sbcl_arch-darwin-os.h target-arch-os.h
 148         ln -s bsd-os.h target-os.h
 149         printf ' :darwin' >> $ltf
 150         ln -s Config.$sbcl_arch-darwin Config
 151         ;;
 152     SunOS)
 153         printf ' :sunos' >> $ltf
 154         sbcl_os="sunos"
 155         ln -s Config.$sbcl_arch-sunos Config
 156         ln -s $sbcl_arch-sunos-os.h target-arch-os.h
 157         ln -s sunos-os.h target-os.h
 158         ;;
 159     *)
 160         echo unsupported OS type: `uname`
 161         exit 1
 162         ;;
 163 esac
 164 cd $original_dir
 165
 166 # FIXME: Things like :c-stack-grows-..., etc, should be
 167 # *derived-target-features* or equivalent, so that there was a nicer
 168 # way to specify them then sprinkling them in this file. They should
 169 # still be tweakable by advanced users, though, but probably not
 170 # appear in *features* of target. #!+/- should be adjusted to take
 171 # them in account as well. At minimum the nicer specification stuff,
 172 # though:
 173 #
 174 # (define-feature :dlopen (features)
 175 #   (union '(:bsd :linux :darwin :sunos) features))
 176 #
 177 # (define-feature :c-stack-grows-downwards-not-upwards (features)
 178 #   (member :x86 features))
 179
 180 # KLUDGE: currently the x86 only works with the generational garbage
 181 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
 182 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
 183 # the absence of :GENCGC in *FEATURES*). This isn't a great
 184 # separation, but for now, rather than have :GENCGC in
 185 # base-target-features.lisp-expr, we add it into local-target-features
 186 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
 187 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
 188 if [ "$sbcl_arch" = "x86" ]; then
 189     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
 190     printf ' :stack-allocatable-closures' >> $ltf
 191     if [ "$sbcl_os" = "linux" ] || [ "$sbcl_os" = "freebsd" ] || [ "$sbcl_os" = "netbsd" ]; then
 192         printf ' :linkage-table' >> $ltf
 193     fi
 194 elif [ "$sbcl_arch" = "x86-64" ]; then
 195     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
 196 elif [ "$sbcl_arch" = "mips" ]; then
 197     # Use a little C program to try to guess the endianness.  Ware
 198     # cross-compilers!
 199     #
 200     # FIXME: integrate to grovel-features, mayhaps
 201     $GNUMAKE -C tools-for-build determine-endianness -I src/runtime
 202     tools-for-build/determine-endianness >> $ltf
 203 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
 204     # Use a C program to detect which kind of glibc we're building on,
 205     # to bandage across the break in source compatibility between
 206     # versions 2.3.1 and 2.3.2
 207     #
 208     # FIXME: integrate to grovel-features., maypahps
 209     $GNUMAKE -C tools-for-build where-is-mcontext -I src/runtime
 210     tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
 211 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
 212     # We provide a dlopen shim, so a little lie won't hurt
 213     printf " :os-provides-dlopen :linkage-table" >> $ltf
 214     # The default stack ulimit under darwin is too small to run PURIFY.
 215     # Best we can do is complain and exit at this stage
 216     if [ "`ulimit -s`" = "512" ]; then
 217         echo "Your stack size limit is too small to build SBCL."
 218         echo "See the limit(1) or ulimit(1) commands and the README file."
 219         exit 1
 220     fi
 221 elif [ "$sbcl_arch" = "sparc" ]; then
 222     # Test the compiler in order to see if we are building on Sun
 223     # toolchain as opposed to GNU binutils, and write the appropriate
 224     # FUNCDEF macro for assembler. No harm in running this on sparc-linux
 225     # as well.
 226     sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
 227     if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
 228         printf ' :linkage-table' >> $ltf
 229     fi
 230 else
 231     # Nothing need be done in this case, but sh syntax wants a placeholder.
 232     echo > /dev/null
 233 fi
 234
 235 export sbcl_os sbcl_arch
 236 sh tools-for-build/grovel-features.sh >> $ltf
 237
 238 echo //finishing $ltf
 239 echo ')' >> $ltf
 240
 241 # FIXME: The version system should probably be redone along these lines:
 242 #
 243 # echo //setting up version information.
 244 # versionfile=version.txt
 245 # cp base-version.txt $versionfile
 246 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
 247 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
 248
 249 # Make a unique ID for this build (to discourage people from
 250 # mismatching sbcl and *.core files).
 251 if [ `uname` = "SunOS" ] ; then
 252   # use /usr/xpg4/bin/id instead of /usr/bin/id
 253   PATH=/usr/xpg4/bin:$PATH
 254 fi
 255 echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp
 256