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 '(' >> $ltf
  30
  31 echo //guessing default target CPU architecture from host architecture
  32 case `uname -m` in
  33     *86) guessed_sbcl_arch=x86 ;;
  34     [Aa]lpha) guessed_sbcl_arch=alpha ;;
  35     sparc*) guessed_sbcl_arch=sparc ;;
  36     sun*) guessed_sbcl_arch=sparc ;;
  37     ppc) guessed_sbcl_arch=ppc ;;
  38     parisc) guessed_sbcl_arch=hppa ;;
  39     mips) guessed_sbcl_arch=mips ;;
  40     *)
  41         # If we're not building on a supported target architecture, we
  42         # we have no guess, but it's not an error yet, since maybe
  43         # target architecture will be specified explicitly below.
  44         guessed_sbcl_arch=''
  45         ;;
  46 esac
  47
  48 echo //setting up CPU-architecture-dependent information
  49 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
  50 echo sbcl_arch=\"$sbcl_arch\"
  51 if [ "$sbcl_arch" = "" ] ; then
  52     echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
  53     exit 1
  54 fi
  55 printf ":%s" "$sbcl_arch" >> $ltf
  56 # KLUDGE: currently the x86 only works with the generational garbage
  57 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
  58 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
  59 # the absence of :GENCGC in *FEATURES*). This isn't a great
  60 # separation, but for now, rather than have :GENCGC in
  61 # base-target-features.lisp-expr, we add it into local-target-features
  62 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
  63 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
  64 if [ "$sbcl_arch" = "x86" ] ; then
  65     printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
  66 elif [ "$sbcl_arch" = "mips" ] ; then
  67     # Use a little C program to try to guess the endianness.  Ware
  68     # cross-compilers!
  69     gnumake=${GNUMAKE:-gmake}
  70     $gnumake -C tools-for-build determine-endianness
  71     tools-for-build/determine-endianness >> $ltf
  72 else
  73     # Nothing need be done in this case, but sh syntax wants a placeholder.
  74     echo > /dev/null
  75 fi
  76 for d in src/compiler src/assembly; do
  77     echo //setting up symlink $d/target
  78     original_dir=`pwd`
  79     cd $d
  80     if [ -h target ] ; then
  81         rm target
  82     elif [ -w target ] ; then
  83         echo "I'm afraid to replace non-symlink $d/target with a symlink."
  84         exit 1
  85     fi
  86     if [ -d $sbcl_arch ] ; then
  87         ln -s $sbcl_arch target
  88     else
  89         echo "missing sbcl_arch directory $PWD/$sbcl_arch"
  90         exit 1
  91     fi
  92     cd $original_dir
  93 done
  94
  95 echo //setting up symlink src/compiler/assembly
  96 if [ -h src/compiler/assembly ] ; then
  97     rm src/compiler/assembly
  98 elif [ -w src/compiler/assembly ] ; then
  99     echo "I'm afraid to replace non-symlink compiler/assembly with a symlink."
 100     exit 1
 101 fi
 102 ln -s ../assembly src/compiler/assembly
 103
 104 echo //setting up OS-dependent information
 105 original_dir=`pwd`
 106 cd src/runtime/
 107 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
 108 # KLUDGE: these two logically belong in the previous section
 109 # ("architecture-dependent"); it seems silly to enforce this in terms
 110 # of the shell script, though. -- CSR, 2002-02-03
 111 ln -s $sbcl_arch-arch.h target-arch.h
 112 ln -s $sbcl_arch-lispregs.h target-lispregs.h
 113 case `uname` in
 114     Linux)
 115         printf ' :linux' >> $ltf
 116         ln -s Config.$sbcl_arch-linux Config
 117         ln -s $sbcl_arch-linux-os.h target-arch-os.h
 118         ln -s linux-os.h target-os.h
 119         ;;
 120     OSF1)
 121         # it's changed name twice since it was called OSF/1: clearly
 122         # the marketers forgot to tell the engineers about Digital Unix
 123         # _or_ OSF/1 ...
 124         printf ' :osf1' >> $ltf
 125         ln -s Config.$sbcl_arch-osf1 Config
 126         ln -s $sbcl_arch-osf1-os.h target-arch-os.h
 127         ln -s osf1-os.h target-os.h
 128         ;;
 129     *BSD)
 130         printf ' :bsd' >> $ltf
 131         ln -s $sbcl_arch-bsd-os.h target-arch-os.h
 132         ln -s bsd-os.h target-os.h
 133         case `uname` in
 134             FreeBSD)
 135                 printf ' :freebsd' >> $ltf
 136                 ln -s Config.$sbcl_arch-freebsd Config
 137                 ;;
 138             OpenBSD)
 139                 printf ' :openbsd' >> $ltf
 140                 ln -s Config.$sbcl_arch-openbsd Config
 141                 ;;
 142             *)
 143                 echo unsupported BSD variant: `uname`
 144                 exit 1
 145                 ;;
 146         esac
 147         ;;
 148     SunOS)
 149         printf ' :sunos' >> $ltf
 150         ln -s Config.$sbcl_arch-sunos Config
 151         ln -s $sbcl_arch-sunos-os.h target-arch-os.h
 152         ln -s sunos-os.h target-os.h
 153         ;;
 154     *)
 155         echo unsupported OS type: `uname`
 156         exit 1
 157         ;;
 158 esac
 159 cd $original_dir
 160
 161 echo //finishing $ltf
 162 echo ')' >> $ltf
 163
 164 # FIXME: The version system should probably be redone along these lines:
 165 #
 166 # echo //setting up version information.
 167 # versionfile=version.txt
 168 # cp base-version.txt $versionfile
 169 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
 170 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
 171
 172 # Make a unique ID for this build (to discourage people from
 173 # mismatching sbcl and *.core files).
 174 echo '"'`hostname`-`whoami`-`date +%F-%H-%M-%S`'"' > output/build-id.tmp
 175