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# The script uses information about the target machine
# to set things up for compilation. It's vaguely like a stripped-down
# version of autoconf. It's intended to be run as part of The
# only time you'd want to run it by itself is if you're trying to
# cross-compile the system or if you're doing some kind of
# troubleshooting.
# This software is part of the SBCL system. See the README file for
# more information.
# This software is derived from the CMU CL system, which was
# written at Carnegie Mellon University and released into the
# public domain. The software is in the public domain and is
# provided with absolutely no warranty. See the COPYING and CREDITS
# files for more information.
echo //entering
echo //ensuring the existence of output/ directory
if [ ! -d output ] ; then mkdir output; fi
echo //initializing $ltf
echo ';;;; This is a machine-generated file.' > $ltf
echo ';;;; Please do not edit it by hand.' >> $ltf
echo ';;;; See' >> $ltf
printf '(' >> $ltf
echo //guessing default target CPU architecture from host architecture
case `uname -m` in
*86) guessed_sbcl_arch=x86 ;;
i86pc) guessed_sbcl_arch=x86 ;;
*x86_64) guessed_sbcl_arch=x86-64 ;;
[Aa]lpha) guessed_sbcl_arch=alpha ;;
sparc*) guessed_sbcl_arch=sparc ;;
sun*) guessed_sbcl_arch=sparc ;;
ppc) guessed_sbcl_arch=ppc ;;
Power*Macintosh) guessed_sbcl_arch=ppc ;;
parisc) guessed_sbcl_arch=hppa ;;
mips*) guessed_sbcl_arch=mips ;;
# If we're not building on a supported target architecture, we
# we have no guess, but it's not an error yet, since maybe
# target architecture will be specified explicitly below.
echo //setting up CPU-architecture-dependent information
echo sbcl_arch=\"$sbcl_arch\"
if [ "$sbcl_arch" = "" ] ; then
echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
exit 1
printf ":%s" "$sbcl_arch" >> $ltf
for d in src/compiler src/assembly; do
echo //setting up symlink $d/target
cd ./$d
if [ -h target ] ; then
rm target
elif [ -w target ] ; then
echo "I'm afraid to replace non-symlink $d/target with a symlink."
exit 1
if [ -d $sbcl_arch ] ; then
ln -s $sbcl_arch target
echo "missing sbcl_arch directory $PWD/$sbcl_arch"
exit 1
cd $original_dir
echo //setting up symlink src/compiler/assembly
if [ -h src/compiler/assembly ] ; then
rm src/compiler/assembly
elif [ -w src/compiler/assembly ] ; then
echo "I'm afraid to replace non-symlink compiler/assembly with a symlink."
exit 1
ln -s ../assembly src/compiler/assembly
echo //setting up OS-dependent information
cd ./src/runtime/
rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
# KLUDGE: these two logically belong in the previous section
# ("architecture-dependent"); it seems silly to enforce this in terms
# of the shell script, though. -- CSR, 2002-02-03
ln -s $sbcl_arch-arch.h target-arch.h
ln -s $sbcl_arch-lispregs.h target-lispregs.h
case `uname` in
printf ' :elf' >> $ltf
printf ' :linux' >> $ltf
if [ $sbcl_arch = "x86-64" ]; then
ln -s Config.x86_64-linux Config
ln -s Config.$sbcl_arch-linux Config
ln -s $sbcl_arch-linux-os.h target-arch-os.h
ln -s linux-os.h target-os.h
# it's changed name twice since it was called OSF/1: clearly
# the marketers forgot to tell the engineers about Digital Unix
# _or_ OSF/1 ...
printf ' :elf' >> $ltf
printf ' :osf1' >> $ltf
ln -s Config.$sbcl_arch-osf1 Config
ln -s $sbcl_arch-osf1-os.h target-arch-os.h
ln -s osf1-os.h target-os.h
printf ' :bsd' >> $ltf
ln -s $sbcl_arch-bsd-os.h target-arch-os.h
ln -s bsd-os.h target-os.h
case `uname` in
printf ' :elf' >> $ltf
printf ' :freebsd' >> $ltf
ln -s Config.$sbcl_arch-freebsd Config
printf ' :elf' >> $ltf
printf ' :openbsd' >> $ltf
ln -s Config.$sbcl_arch-openbsd Config
printf ' :netbsd' >> $ltf
printf ' :elf' >> $ltf
ln -s Config.$sbcl_arch-netbsd Config
echo unsupported BSD variant: `uname`
exit 1
printf ' :mach-o' >> $ltf
printf ' :bsd' >> $ltf
ln -s $sbcl_arch-darwin-os.h target-arch-os.h
ln -s bsd-os.h target-os.h
printf ' :darwin' >> $ltf
ln -s Config.$sbcl_arch-darwin Config
printf ' :elf' >> $ltf
printf ' :sunos' >> $ltf
ln -s Config.$sbcl_arch-sunos Config
ln -s $sbcl_arch-sunos-os.h target-arch-os.h
ln -s sunos-os.h target-os.h
echo unsupported OS type: `uname`
exit 1
cd $original_dir
# FIXME: Things like :c-stack-grows-..., etc, should be
# *derived-target-features* or equivalent, so that there was a nicer
# way to specify them then sprinkling them in this file. They should
# still be tweakable by advanced users, though, but probably not
# appear in *features* of target. #!+/- should be adjusted to take
# them in account as well. At minimum the nicer specification stuff,
# though:
# (define-feature :dlopen (features)
# (union '(:bsd :linux :darwin :sunos) features))
# (define-feature :c-stack-grows-downwards-not-upwards (features)
# (member :x86 features))
# KLUDGE: currently the x86 only works with the generational garbage
# collector (indicated by the presence of :GENCGC in *FEATURES*) and
# alpha, sparc and ppc with the stop'n'copy collector (indicated by
# the absence of :GENCGC in *FEATURES*). This isn't a great
# separation, but for now, rather than have :GENCGC in
# base-target-features.lisp-expr, we add it into local-target-features
# if we're building for x86. -- CSR, 2002-02-21 Then we do something
# similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
if [ "$sbcl_arch" = "x86" ]; then
printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
printf ' :stack-allocatable-closures' >> $ltf
if [ "$sbcl_os" = "linux" ] || [ "$sbcl_os" = "freebsd" ] || [ "$sbcl_os" = "netbsd" ] || [ "$sbcl_os" = "sunos" ]; then
printf ' :linkage-table' >> $ltf
elif [ "$sbcl_arch" = "x86-64" ]; then
printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
printf ' :stack-allocatable-closures' >> $ltf
elif [ "$sbcl_arch" = "mips" ]; then
# Use a little C program to try to guess the endianness. Ware
# cross-compilers!
# FIXME: integrate to grovel-features, mayhaps
$GNUMAKE -C tools-for-build determine-endianness -I src/runtime
tools-for-build/determine-endianness >> $ltf
elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
# Use a C program to detect which kind of glibc we're building on,
# to bandage across the break in source compatibility between
# versions 2.3.1 and 2.3.2
# FIXME: integrate to grovel-features., maypahps
printf ' :stack-allocatable-closures' >> $ltf
$GNUMAKE -C tools-for-build where-is-mcontext -I src/runtime
tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
printf ' :stack-allocatable-closures' >> $ltf
# We provide a dlopen shim, so a little lie won't hurt
printf " :os-provides-dlopen :linkage-table" >> $ltf
# The default stack ulimit under darwin is too small to run PURIFY.
# Best we can do is complain and exit at this stage
if [ "`ulimit -s`" = "512" ]; then
echo "Your stack size limit is too small to build SBCL."
echo "See the limit(1) or ulimit(1) commands and the README file."
exit 1
elif [ "$sbcl_arch" = "sparc" ]; then
# Test the compiler in order to see if we are building on Sun
# toolchain as opposed to GNU binutils, and write the appropriate
# FUNCDEF macro for assembler. No harm in running this on sparc-linux
# as well.
sh tools-for-build/ > src/runtime/sparc-funcdef.h
if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
printf ' :linkage-table' >> $ltf
printf ' :stack-allocatable-closures' >> $ltf
elif [ "$sbcl_arch" = "alpha" ]; then
printf ' :stack-allocatable-closures' >> $ltf
# Nothing need be done in this case, but sh syntax wants a placeholder.
echo > /dev/null
export sbcl_os sbcl_arch
sh tools-for-build/ >> $ltf
echo //finishing $ltf
echo ')' >> $ltf
# FIXME: The version system should probably be redone along these lines:
# echo //setting up version information.
# versionfile=version.txt
# cp base-version.txt $versionfile
# echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
# echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
# Make a unique ID for this build (to discourage people from
# mismatching sbcl and *.core files).
if [ `uname` = "SunOS" ] ; then
# use /usr/xpg4/bin/id instead of /usr/bin/id
echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp