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 //checking that we are not root
22 if [ `id -u` -eq 0 ] ; then echo 'Argh! we are (fake)root!'; exit 1; fi;
24 echo //ensuring the existence of output/ directory
25 if [ ! -d output ] ; then mkdir output; fi
27 ltf=`pwd`/local-target-features.lisp-expr
28 echo //initializing $ltf
29 echo ';;;; This is a machine-generated file.' > $ltf
30 echo ';;;; Please do not edit it by hand.' >> $ltf
31 echo ';;;; See make-config.sh.' >> $ltf
34 echo //guessing default target CPU architecture from host architecture
36 *86|x86_64) guessed_sbcl_arch=x86 ;;
37 [Aa]lpha) guessed_sbcl_arch=alpha ;;
38 sparc*) guessed_sbcl_arch=sparc ;;
39 sun*) guessed_sbcl_arch=sparc ;;
40 ppc) guessed_sbcl_arch=ppc ;;
41 Power*Macintosh) guessed_sbcl_arch=ppc ;;
42 parisc) guessed_sbcl_arch=hppa ;;
43 mips) guessed_sbcl_arch=mips ;;
45 # If we're not building on a supported target architecture, we
46 # we have no guess, but it's not an error yet, since maybe
47 # target architecture will be specified explicitly below.
52 echo //setting up CPU-architecture-dependent information
53 sbcl_arch=${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 ' :linux' >> $ltf
102 if [ "`uname -m`" = "x86_64" ]; then
103 ln -s Config.x86_64-linux Config
105 ln -s Config.$sbcl_arch-linux Config
107 ln -s $sbcl_arch-linux-os.h target-arch-os.h
108 ln -s linux-os.h target-os.h
111 # it's changed name twice since it was called OSF/1: clearly
112 # the marketers forgot to tell the engineers about Digital Unix
114 printf ' :osf1' >> $ltf
116 ln -s Config.$sbcl_arch-osf1 Config
117 ln -s $sbcl_arch-osf1-os.h target-arch-os.h
118 ln -s osf1-os.h target-os.h
121 printf ' :bsd' >> $ltf
122 ln -s $sbcl_arch-bsd-os.h target-arch-os.h
123 ln -s bsd-os.h target-os.h
126 printf ' :freebsd' >> $ltf
128 ln -s Config.$sbcl_arch-freebsd Config
131 printf ' :openbsd' >> $ltf
133 ln -s Config.$sbcl_arch-openbsd Config
136 echo unsupported BSD variant: `uname`
142 printf ' :bsd' >> $ltf
144 ln -s $sbcl_arch-darwin-os.h target-arch-os.h
145 ln -s bsd-os.h target-os.h
146 printf ' :darwin' >> $ltf
147 ln -s Config.$sbcl_arch-darwin Config
150 printf ' :sunos' >> $ltf
152 ln -s Config.$sbcl_arch-sunos Config
153 ln -s $sbcl_arch-sunos-os.h target-arch-os.h
154 ln -s sunos-os.h target-os.h
157 echo unsupported OS type: `uname`
163 # KLUDGE: currently the x86 only works with the generational garbage
164 # collector (indicated by the presence of :GENCGC in *FEATURES*) and
165 # alpha, sparc and ppc with the stop'n'copy collector (indicated by
166 # the absence of :GENCGC in *FEATURES*). This isn't a great
167 # separation, but for now, rather than have :GENCGC in
168 # base-target-features.lisp-expr, we add it into local-target-features
169 # if we're building for x86. -- CSR, 2002-02-21 Then we do something
170 # similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
171 if [ "$sbcl_arch" = "x86" ] ; then
172 printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
173 elif [ "$sbcl_arch" = "mips" ] ; then
174 # Use a little C program to try to guess the endianness. Ware
176 $GNUMAKE -C tools-for-build determine-endianness
177 tools-for-build/determine-endianness >> $ltf
178 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
179 # Use a C program to detect which kind of glibc we're building on,
180 # to bandage across the break in source compatibility between
181 # versions 2.3.1 and 2.3.2
182 $GNUMAKE -C tools-for-build where-is-mcontext
183 tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
184 elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
185 # The default stack ulimit under darwin is too small to run PURIFY.
186 # Best we can do is complain and exit at this stage
187 if [ "`ulimit -s`" = "512" ]; then
188 echo "Your stack size limit is too small to build SBCL."
189 echo "See the limit(1) or ulimit(1) commands and the README file."
192 elif [ "$sbcl_arch" = "sparc" ]; then
193 # Test the compiler in order to see if we are building on Sun
194 # toolchain as opposed to GNU binutils, and write the appropriate
195 # FUNCDEF macro for assembler. No harm in running this on sparc-linux
197 sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
199 # Nothing need be done in this case, but sh syntax wants a placeholder.
203 echo //finishing $ltf
206 # FIXME: The version system should probably be redone along these lines:
208 # echo //setting up version information.
209 # versionfile=version.txt
210 # cp base-version.txt $versionfile
211 # echo " (built `date -u` by `whoami`@`hostname`)" >> $versionfile
212 # echo 'This is a machine-generated file and should not be edited by hand.' >> $versionfile
214 # Make a unique ID for this build (to discourage people from
215 # mismatching sbcl and *.core files).
216 echo '"'`hostname`-`whoami`-`date +%F-%H-%M-%S`'"' > output/build-id.tmp