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
11 # This software is part of the SBCL system. See the README file for
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.
20 echo //entering make-config.sh
22 echo //ensuring the existence of output/ directory
23 if [ ! -d output ] ; then mkdir output; fi
25 ltf=`pwd`/local-target-features.lisp-expr
26 echo //initializing $ltf
27 echo ';;;; This is a machine-generated file.' > $ltf
28 echo ';;;; Please do not edit it by hand.' >> $ltf
29 echo ';;;; See make-config.sh.' >> $ltf
32 echo //guessing default target CPU architecture from host architecture
34 *86) guessed_sbcl_arch=x86 ;;
35 i86pc) guessed_sbcl_arch=x86 ;;
36 *x86_64) guessed_sbcl_arch=x86-64 ;;
37 [Aa]lpha) guessed_sbcl_arch=alpha ;;
38 sparc*) guessed_sbcl_arch=sparc ;;
39 sun*) guessed_sbcl_arch=sparc ;;
40 ppc) guessed_sbcl_arch=ppc ;;
41 Power*Macintosh) guessed_sbcl_arch=ppc ;;
42 parisc) guessed_sbcl_arch=hppa ;;
43 mips*) guessed_sbcl_arch=mips ;;
45 # If we're not building on a supported target architecture, we
46 # we have no guess, but it's not an error yet, since maybe
47 # target architecture will be specified explicitly below.
52 echo //setting up CPU-architecture-dependent information
53 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
54 echo sbcl_arch=\"$sbcl_arch\"
55 if [ "$sbcl_arch" = "" ] ; then
56 echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
59 printf ":%s" "$sbcl_arch" >> $ltf
61 for d in src/compiler src/assembly; do
62 echo //setting up symlink $d/target
65 if [ -h target ] ; then
67 elif [ -w target ] ; then
68 echo "I'm afraid to replace non-symlink $d/target with a symlink."
71 if [ -d $sbcl_arch ] ; then
72 ln -s $sbcl_arch target
74 echo "missing sbcl_arch directory $PWD/$sbcl_arch"
80 echo //setting up symlink src/compiler/assembly
81 if [ -h src/compiler/assembly ] ; then
82 rm src/compiler/assembly
83 elif [ -w src/compiler/assembly ] ; then
84 echo "I'm afraid to replace non-symlink compiler/assembly with a symlink."
87 ln -s ../assembly src/compiler/assembly
89 echo //setting up OS-dependent information
92 rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
93 # KLUDGE: these two logically belong in the previous section
94 # ("architecture-dependent"); it seems silly to enforce this in terms
95 # of the shell script, though. -- CSR, 2002-02-03
96 ln -s $sbcl_arch-arch.h target-arch.h
97 ln -s $sbcl_arch-lispregs.h target-lispregs.h
100 printf ' :elf' >> $ltf
101 printf ' :linux' >> $ltf
103 if [ $sbcl_arch = "x86-64" ]; then
104 ln -s Config.x86_64-linux Config
106 ln -s Config.$sbcl_arch-linux Config
108 ln -s $sbcl_arch-linux-os.h target-arch-os.h
109 ln -s linux-os.h target-os.h
112 # it's changed name twice since it was called OSF/1: clearly
113 # the marketers forgot to tell the engineers about Digital Unix
115 printf ' :elf' >> $ltf
116 printf ' :osf1' >> $ltf
118 ln -s Config.$sbcl_arch-osf1 Config
119 ln -s $sbcl_arch-osf1-os.h target-arch-os.h
120 ln -s osf1-os.h target-os.h
123 printf ' :bsd' >> $ltf
124 ln -s $sbcl_arch-bsd-os.h target-arch-os.h
125 ln -s bsd-os.h target-os.h
128 printf ' :elf' >> $ltf
129 printf ' :freebsd' >> $ltf
131 ln -s Config.$sbcl_arch-freebsd Config
134 printf ' :elf' >> $ltf
135 printf ' :openbsd' >> $ltf
137 ln -s Config.$sbcl_arch-openbsd Config
140 printf ' :netbsd' >> $ltf
141 printf ' :elf' >> $ltf
143 ln -s Config.$sbcl_arch-netbsd Config
146 echo unsupported BSD variant: `uname`
152 printf ' :mach-o' >> $ltf
153 printf ' :bsd' >> $ltf
155 ln -s $sbcl_arch-darwin-os.h target-arch-os.h
156 ln -s bsd-os.h target-os.h
157 printf ' :darwin' >> $ltf
158 ln -s Config.$sbcl_arch-darwin Config
161 printf ' :elf' >> $ltf
162 printf ' :sunos' >> $ltf
164 ln -s Config.$sbcl_arch-sunos Config
165 ln -s $sbcl_arch-sunos-os.h target-arch-os.h
166 ln -s sunos-os.h target-os.h
169 echo unsupported OS type: `uname`
175 # FIXME: Things like :c-stack-grows-..., etc, should be
176 # *derived-target-features* or equivalent, so that there was a nicer
177 # way to specify them then sprinkling them in this file. They should
178 # still be tweakable by advanced users, though, but probably not
179 # appear in *features* of target. #!+/- should be adjusted to take
180 # them in account as well. At minimum the nicer specification stuff,
183 # (define-feature :dlopen (features)
184 # (union '(:bsd :linux :darwin :sunos) features))
186 # (define-feature :c-stack-grows-downwards-not-upwards (features)
187 # (member :x86 features))
189 # KLUDGE: currently the x86 only works with the generational garbage
190 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
191 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
192 # the absence of :GENCGC in *FEATURES*). This isn't a great
193 # separation, but for now, rather than have :GENCGC in
194 # base-target-features.lisp-expr, we add it into local-target-features
195 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
196 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
197 if [ "$sbcl_arch" = "x86" ]; then
198 printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
199 printf ' :stack-allocatable-closures' >> $ltf
200 if [ "$sbcl_os" = "linux" ] || [ "$sbcl_os" = "freebsd" ] || [ "$sbcl_os" = "netbsd" ] || [ "$sbcl_os" = "sunos" ]; then
201 printf ' :linkage-table' >> $ltf
203 elif [ "$sbcl_arch" = "x86-64" ]; then
204 printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
205 printf ' :stack-allocatable-closures' >> $ltf
206 elif [ "$sbcl_arch" = "mips" ]; then
207 printf ' :linkage-table' >> $ltf
208 printf ' :stack-allocatable-closures' >> $ltf
209 # Use a little C program to try to guess the endianness. Ware
212 # FIXME: integrate to grovel-features, mayhaps
213 $GNUMAKE -C tools-for-build determine-endianness -I src/runtime
214 tools-for-build/determine-endianness >> $ltf
215 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
216 # Use a C program to detect which kind of glibc we're building on,
217 # to bandage across the break in source compatibility between
218 # versions 2.3.1 and 2.3.2
220 # FIXME: integrate to grovel-features., maypahps
221 printf ' :stack-allocatable-closures' >> $ltf
222 $GNUMAKE -C tools-for-build where-is-mcontext -I src/runtime
223 tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
224 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
225 printf ' :stack-allocatable-closures' >> $ltf
226 # We provide a dlopen shim, so a little lie won't hurt
227 printf " :os-provides-dlopen :linkage-table" >> $ltf
228 # The default stack ulimit under darwin is too small to run PURIFY.
229 # Best we can do is complain and exit at this stage
230 if [ "`ulimit -s`" = "512" ]; then
231 echo "Your stack size limit is too small to build SBCL."
232 echo "See the limit(1) or ulimit(1) commands and the README file."
235 elif [ "$sbcl_arch" = "sparc" ]; then
236 # Test the compiler in order to see if we are building on Sun
237 # toolchain as opposed to GNU binutils, and write the appropriate
238 # FUNCDEF macro for assembler. No harm in running this on sparc-linux
240 sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
241 if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
242 printf ' :linkage-table' >> $ltf
244 printf ' :stack-allocatable-closures' >> $ltf
245 elif [ "$sbcl_arch" = "alpha" ]; then
246 printf ' :stack-allocatable-closures' >> $ltf
248 # Nothing need be done in this case, but sh syntax wants a placeholder.
252 export sbcl_os sbcl_arch
253 sh tools-for-build/grovel-features.sh >> $ltf
255 echo //finishing $ltf
258 # FIXME: The version system should probably be redone along these lines:
260 # echo //setting up version information.
261 # versionfile=version.txt
262 # cp base-version.txt $versionfile
263 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
264 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
266 # Make a unique ID for this build (to discourage people from
267 # mismatching sbcl and *.core files).
268 if [ `uname` = "SunOS" ] ; then
269 # use /usr/xpg4/bin/id instead of /usr/bin/id
270 PATH=/usr/xpg4/bin:$PATH
272 echo '"'`hostname`-`id -un`-`date +%Y-%m-%d-%H-%M-%S`'"' > output/build-id.tmp