+if [ "$OSTYPE" = "cygwin" -o "$OSTYPE" = "msys" ] ; then
+ DEFAULT_INSTALL_ROOT="$PROGRAMFILES/sbcl"
+ RUNTIME=sbcl.exe
+ OLD_RUNTIME=sbcl_old.exe
+else
+ DEFAULT_INSTALL_ROOT=/usr/local
+ RUNTIME=sbcl
+ OLD_RUNTIME=sbcl.old
+fi
+INSTALL_ROOT=${INSTALL_ROOT-$DEFAULT_INSTALL_ROOT}