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