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
10 # This software is part of the SBCL system. See the README file for
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.
19 echo //entering make-config.sh
21 echo //ensuring the existence of output/ directory
22 if [ ! -d output ] ; then mkdir output; fi
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.' >> $ltf
31 echo //guessing default target CPU architecture from host architecture
33 *86) guessed_sbcl_arch=x86 ;;
34 *x86_64) guessed_sbcl_arch=x86-64 ;;
35 [Aa]lpha) guessed_sbcl_arch=alpha ;;
36 sparc*) guessed_sbcl_arch=sparc ;;
37 sun*) guessed_sbcl_arch=sparc ;;
38 ppc) guessed_sbcl_arch=ppc ;;
39 Power*Macintosh) guessed_sbcl_arch=ppc ;;
40 parisc) guessed_sbcl_arch=hppa ;;
41 mips) guessed_sbcl_arch=mips ;;
43 # If we're not building on a supported target architecture, we
44 # we have no guess, but it's not an error yet, since maybe
45 # target architecture will be specified explicitly below.
50 echo //setting up CPU-architecture-dependent information
51 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
52 echo sbcl_arch=\"$sbcl_arch\"
53 if [ "$sbcl_arch" = "" ] ; then
54 echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
57 printf ":%s" "$sbcl_arch" >> $ltf
59 for d in src/compiler src/assembly; do
60 echo //setting up symlink $d/target
63 if [ -h target ] ; then
65 elif [ -w target ] ; then
66 echo "I'm afraid to replace non-symlink $d/target with a symlink."
69 if [ -d $sbcl_arch ] ; then
70 ln -s $sbcl_arch target
72 echo "missing sbcl_arch directory $PWD/$sbcl_arch"
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."
85 ln -s ../assembly src/compiler/assembly
87 echo //setting up OS-dependent information
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
98 printf ' :linux' >> $ltf
100 ln -s Config.$sbcl_arch-linux Config
101 ln -s $sbcl_arch-linux-os.h target-arch-os.h
102 ln -s linux-os.h target-os.h
105 # it's changed name twice since it was called OSF/1: clearly
106 # the marketers forgot to tell the engineers about Digital Unix
108 printf ' :osf1' >> $ltf
110 ln -s Config.$sbcl_arch-osf1 Config
111 ln -s $sbcl_arch-osf1-os.h target-arch-os.h
112 ln -s osf1-os.h target-os.h
115 printf ' :bsd' >> $ltf
116 ln -s $sbcl_arch-bsd-os.h target-arch-os.h
117 ln -s bsd-os.h target-os.h
120 printf ' :freebsd' >> $ltf
122 ln -s Config.$sbcl_arch-freebsd Config
125 printf ' :openbsd' >> $ltf
127 ln -s Config.$sbcl_arch-openbsd Config
130 printf ' :netbsd' >> $ltf
132 ln -s Config.$sbcl_arch-netbsd Config
135 echo unsupported BSD variant: `uname`
141 printf ' :bsd' >> $ltf
143 ln -s $sbcl_arch-darwin-os.h target-arch-os.h
144 ln -s bsd-os.h target-os.h
145 printf ' :darwin' >> $ltf
146 ln -s Config.$sbcl_arch-darwin Config
149 printf ' :sunos' >> $ltf
151 ln -s Config.$sbcl_arch-sunos Config
152 ln -s $sbcl_arch-sunos-os.h target-arch-os.h
153 ln -s sunos-os.h target-os.h
156 echo unsupported OS type: `uname`
162 # FIXME: Things like :c-stack-grows-..., etc, should be
163 # *derived-target-features* or equivalent, so that there was a nicer
164 # way to specify them then sprinkling them in this file. They should
165 # still be tweakable by advanced users, though, but probably not
166 # appear in *features* of target. #!+/- should be adjusted to take
167 # them in account as well. At minimum the nicer specification stuff,
170 # (define-feature :dlopen (features)
171 # (union '(:bsd :linux :darwin :sunos) features))
173 # (define-feature :c-stack-grows-downwards-not-upwards (features)
174 # (member :x86 features))
176 # KLUDGE: currently the x86 only works with the generational garbage
177 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
178 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
179 # the absence of :GENCGC in *FEATURES*). This isn't a great
180 # separation, but for now, rather than have :GENCGC in
181 # base-target-features.lisp-expr, we add it into local-target-features
182 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
183 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
184 if [ "$sbcl_arch" = "x86" ]; then
185 printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
186 printf ' :stack-allocatable-closures' >> $ltf
187 if [ "$sbcl_os" = "linux" ] || [ "$sbcl_os" = "freebsd" ] || [ "$sbcl_os" = "netbsd" ]; then
188 printf ' :linkage-table' >> $ltf
190 elif [ "$sbcl_arch" = "x86-64" ]; then
191 printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
192 elif [ "$sbcl_arch" = "mips" ]; then
193 # Use a little C program to try to guess the endianness. Ware
196 # FIXME: integrate to grovel-features, mayhaps
197 $GNUMAKE -C tools-for-build determine-endianness -I src/runtime
198 tools-for-build/determine-endianness >> $ltf
199 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
200 # Use a C program to detect which kind of glibc we're building on,
201 # to bandage across the break in source compatibility between
202 # versions 2.3.1 and 2.3.2
204 # FIXME: integrate to grovel-features., maypahps
205 $GNUMAKE -C tools-for-build where-is-mcontext -I src/runtime
206 tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
207 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
208 # We provide a dlopen shim, so a little lie won't hurt
209 printf " :os-provides-dlopen :linkage-table" >> $ltf
210 # The default stack ulimit under darwin is too small to run PURIFY.
211 # Best we can do is complain and exit at this stage
212 if [ "`ulimit -s`" = "512" ]; then
213 echo "Your stack size limit is too small to build SBCL."
214 echo "See the limit(1) or ulimit(1) commands and the README file."
217 elif [ "$sbcl_arch" = "sparc" ]; then
218 # Test the compiler in order to see if we are building on Sun
219 # toolchain as opposed to GNU binutils, and write the appropriate
220 # FUNCDEF macro for assembler. No harm in running this on sparc-linux
222 sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
223 if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
224 printf ' :linkage-table' >> $ltf
227 # Nothing need be done in this case, but sh syntax wants a placeholder.
231 export sbcl_os sbcl_arch
232 sh tools-for-build/grovel-features.sh >> $ltf
234 echo //finishing $ltf
237 # FIXME: The version system should probably be redone along these lines:
239 # echo //setting up version information.
240 # versionfile=version.txt
241 # cp base-version.txt $versionfile
242 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
243 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
245 # Make a unique ID for this build (to discourage people from
246 # mismatching sbcl and *.core files).
247 if [ `uname` = "SunOS" ] ; then
248 # use /usr/xpg4/bin/id instead of /usr/bin/id
249 PATH=/usr/xpg4/bin:$PATH
251 echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp