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 '(' >> $ltf
  30
  31 echo //guessing default target CPU architecture from host architecture
  32 case `uname -m` in
  33     *86) guessed_sbcl_arch=x86 ;;
  34     [Aa]lpha) guessed_sbcl_arch=alpha ;;
  35     sparc*) guessed_sbcl_arch=sparc ;;
  36     sun*) guessed_sbcl_arch=sparc ;;
  37     ppc) guessed_sbcl_arch=ppc ;;
  38     parisc) guessed_sbcl_arch=hppa ;;
  39     mips) guessed_sbcl_arch=mips ;;
  40     mipsel) guessed_sbcl_arch=mips; little_endian=yes ;;
  41     *)
  42         # If we're not building on a supported target architecture, we
  43         # we have no guess, but it's not an error yet, since maybe
  44         # target architecture will be specified explicitly below.
  45         guessed_sbcl_arch=''
  46         ;;
  47 esac
  48
  49 echo //setting up CPU-architecture-dependent information
  50 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
  51 echo sbcl_arch=\"$sbcl_arch\"
  52 if [ "$sbcl_arch" = "" ] ; then
  53     echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
  54     exit 1
  55 fi
  56 printf ":%s" "$sbcl_arch" >> $ltf
  57 # KLUDGE: currently the x86 only works with the generational garbage
  58 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
  59 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
  60 # the absence of :GENCGC in *FEATURES*). This isn't a great
  61 # separation, but for now, rather than have :GENCGC in
  62 # base-target-features.lisp-expr, we add it into local-target-features
  63 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
  64 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
  65 if [ "$sbcl_arch" = "x86" ] ; then
  66     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
  67 elif [ "$sbcl_arch" = "mips" -a "$little_endian" = "yes" ] ; then
  68     printf ' :little-endian' >> $ltf
  69 else
  70     # Nothing need be done in this case, but sh syntax wants a placeholder.
  71     echo > /dev/null
  72 fi
  73 for d in src/compiler src/assembly; do
  74     echo //setting up symlink $d/target
  75     original_dir=`pwd`
  76     cd $d
  77     if [ -h target ] ; then
  78         rm target
  79     elif [ -w target ] ; then
  80         echo "I'm afraid to replace non-symlink $d/target with a symlink."
  81         exit 1
  82     fi
  83     if [ -d $sbcl_arch ] ; then
  84         ln -s $sbcl_arch target
  85     else
  86         echo "missing sbcl_arch directory $PWD/$sbcl_arch"
  87         exit 1
  88     fi
  89     cd $original_dir
  90 done
  91
  92 echo //setting up OS-dependent information
  93 original_dir=`pwd`
  94 cd src/runtime/
  95 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
  96 # KLUDGE: these two logically belong in the previous section
  97 # ("architecture-dependent"); it seems silly to enforce this in terms
  98 # of the shell script, though. -- CSR, 2002-02-03
  99 ln -s $sbcl_arch-arch.h target-arch.h
 100 ln -s $sbcl_arch-lispregs.h target-lispregs.h
 101 case `uname` in
 102     Linux)
 103         printf ' :linux' >> $ltf
 104         ln -s Config.$sbcl_arch-linux Config
 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' >> $ltf
 113         ln -s Config.$sbcl_arch-osf1 Config
 114         ln -s $sbcl_arch-osf1-os.h target-arch-os.h
 115         ln -s osf1-os.h target-os.h
 116         ;;
 117     *BSD)
 118         printf ' :bsd' >> $ltf
 119         ln -s $sbcl_arch-bsd-os.h target-arch-os.h
 120         ln -s bsd-os.h target-os.h
 121         case `uname` in
 122             FreeBSD)
 123                 printf ' :freebsd' >> $ltf
 124                 ln -s Config.$sbcl_arch-freebsd Config
 125                 ;;
 126             OpenBSD)
 127                 printf ' :openbsd' >> $ltf
 128                 ln -s Config.$sbcl_arch-openbsd Config
 129                 ;;
 130             *)
 131                 echo unsupported BSD variant: `uname`
 132                 exit 1
 133                 ;;
 134         esac
 135         ;;
 136     SunOS)
 137         printf ' :sunos' >> $ltf
 138         ln -s Config.$sbcl_arch-sunos Config
 139         ln -s $sbcl_arch-sunos-os.h target-arch-os.h
 140         ln -s sunos-os.h target-os.h
 141         ;;
 142     *)
 143         echo unsupported OS type: `uname`
 144         exit 1
 145         ;;
 146 esac
 147 cd $original_dir
 148
 149 echo //finishing $ltf
 150 echo ')' >> $ltf
 151
 152 # FIXME: The version system should probably be redone along these lines:
 153 #
 154 # echo //setting up version information.
 155 # versionfile=version.txt
 156 # cp base-version.txt $versionfile
 157 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
 158 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
 159
 160 # Make a unique ID for this build (to discourage people from
 161 # mismatching sbcl and *.core files).
 162 echo '"'`hostname -s`-`whoami`-`date +%F-%H-%M-%S`'"' > output/build-id.tmp
 163