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'
-sbcl_arch=x86 # (the only possibility supported, at least as of sbcl-0.6.7)
-echo -n ":x86" >> $ltf # (again, the only possibility supported)
+echo //guessing default target CPU architecture from host architecture
+case `uname -m` in
+ *86) guessed_sbcl_arch=x86 ;;
+ [Aa]lpha) guessed_sbcl_arch=alpha ;;
+ *)
+ # If we're not building on a supported target architecture, we
+ # we have no guess, but it's not an error yet, since maybe
+ # target architecture will be specified explicitly below.
+ guessed_sbcl_arch=''
+ ;;
+esac
+
+echo //setting up CPU-architecture-dependent information
+sbcl_arch=${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
for d in src/compiler src/assembly; do
echo //setting up symlink $d/target
original_dir=`pwd`
done
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.x86-linux Config
-elif uname | grep BSD; then
- if [ `uname` = FreeBSD ]; then
- echo -n ' :freebsd' >> $ltf
- elif [ `uname` = OpenBSD ]; then
- echo -n ' :openbsd' >> $ltf
- else
- echo unsupported BSD variant: `uname`
+case `uname` in
+ Linux)
+ echo -n ' :linux' >> $ltf
+ ln -s Config.$sbcl_arch-linux Config
+ ;;
+ *BSD)
+ echo -n ' :bsd' >> $ltf
+ 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
- echo -n ' :bsd' >> $ltf
- ln -s Config.x86-bsd Config
-else
- echo unsupported OS type: `uname`
- exit 1
-fi
+ ;;
+esac
+cd $original_dir
echo //finishing $ltf
echo ')' >> $ltf