echo //entering make-config.sh
+echo //ensuring the existence of output/ directory
+if [ ! -d output ] ; then mkdir output; fi
+
ltf=`pwd`/local-target-features.lisp-expr
echo //initializing $ltf
-echo '; This is a machine-generated file and should not be edited by hand.' > $ltf
+echo ';;;; This is a machine-generated file.' > $ltf
+echo ';;;; Please do not edit it by hand.' >> $ltf
+echo ';;;; See make-config.sh.' >> $ltf
echo -n '(' >> $ltf
-echo '//setting up "target"-named symlinks to designate target architecture'
-# Currently supported: x86 alpha
-sbcl_arch=x86
+echo //guessing default target CPU architecture from host architecture
+case `uname -m` in
+ *86) guessed_sbcl_arch=x86 ;;
+ [Aa]lpha) guessed_sbcl_arch=alpha ;;
+ sparc*) guessed_sbcl_arch=sparc ;;
+ ppc) guessed_sbcl_arch=ppc ;;
+ *)
+ # If we're not building on a supported target architecture, we
+ # we have no guess, but it's not an error yet, since maybe
+ # target architecture will be specified explicitly below.
+ guessed_sbcl_arch=''
+ ;;
+esac
+
+echo //setting up CPU-architecture-dependent information
+sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
+echo sbcl_arch=\"$sbcl_arch\"
+if [ "$sbcl_arch" = "" ] ; then
+ echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
+ exit 1
+fi
echo -n ":$sbcl_arch" >> $ltf
+# KLUDGE: currently the x86 only works with the generational garbage
+# collector (indicated by the presence of :gencgc in *features*) and
+# alpha, sparc and ppc with the stop'n'copy collector (indicated by
+# the absence of :gencgc in *features*). This isn't a great
+# separation, but for now, rather than have :gencgc in
+# base-target-features.lisp-expr, we add it into local-target-features
+# if we're building for x86. -- CSR, 2002-02-21
+if [ "$sbcl_arch" = "x86" ] ; then
+ echo -n ' :gencgc' >> $ltf
+fi
for d in src/compiler src/assembly; do
echo //setting up symlink $d/target
original_dir=`pwd`
echo //setting up OS-dependent information
original_dir=`pwd`
cd src/runtime/
-rm -f Config
-if [ `uname` = Linux ]; then
- echo -n ' :linux' >> $ltf
- ln -s Config.$sbcl_arch-linux Config
- ( cd ../code && ln -sf $sbcl_arch-linux-types.lisp target-os-types.lisp )
-elif uname | grep BSD; then
- echo -n ' :bsd' >> $ltf
- ( cd ../code && ln -sf $sbcl_arch-bsd-types.lisp target-os-types.lisp )
- if [ `uname` = FreeBSD ]; then
- echo -n ' :freebsd' >> $ltf
- ln -s Config.$sbcl_arch-freebsd Config
- elif [ `uname` = OpenBSD ]; then
- echo -n ' :openbsd' >> $ltf
- ln -s Config.$sbcl_arch-openbsd Config
- else
- echo unsupported BSD variant: `uname`
+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
+ Linux)
+ echo -n ' :linux' >> $ltf
+ ln -s Config.$sbcl_arch-linux Config
+ ln -s $sbcl_arch-linux-os.h target-arch-os.h
+ ln -s linux-os.h target-os.h
+ ;;
+ *BSD)
+ echo -n ' :bsd' >> $ltf
+ ln -s $sbcl_arch-bsd-os.h target-arch-os.h
+ ln -s bsd-os.h target-os.h
+ case `uname` in
+ FreeBSD)
+ echo -n ' :freebsd' >> $ltf
+ ln -s Config.$sbcl_arch-freebsd Config
+ ;;
+ OpenBSD)
+ echo -n ' :openbsd' >> $ltf
+ ln -s Config.$sbcl_arch-openbsd Config
+ ;;
+ *)
+ echo unsupported BSD variant: `uname`
+ exit 1
+ ;;
+ esac
+ ;;
+ *)
+ echo unsupported OS type: `uname`
exit 1
- fi
-else
- echo unsupported OS type: `uname`
- exit 1
-fi
+ ;;
+esac
cd $original_dir
echo //finishing $ltf