export SBCL_HOME
ensure_dirs $INSTALL_ROOT $INSTALL_ROOT/bin $INSTALL_ROOT/lib \
$INSTALL_ROOT/man $INSTALL_ROOT/man/man1 \
- $SBCL_HOME $SBCL_HOME/systems
+ $SBCL_HOME $SBCL_HOME/systems $SBCL_HOME/site-systems
+# move old versions out of the way. Safer than copying: don't want to
+# break any running instances that have these files mapped
test -f $INSTALL_ROOT/bin/sbcl && \
- cp $INSTALL_ROOT/bin/sbcl $INSTALL_ROOT/bin/sbcl.old
+ mv $INSTALL_ROOT/bin/sbcl $INSTALL_ROOT/bin/sbcl.old
test -f $SBCL_HOME/sbcl.core && \
- cp $SBCL_HOME/sbcl.core $SBCL_HOME/sbcl.core.old
+ mv $SBCL_HOME/sbcl.core $SBCL_HOME/sbcl.core.old
cp src/runtime/sbcl $INSTALL_ROOT/bin/
cp output/sbcl.core $SBCL_HOME/sbcl.core