+ensure_dirs ()
+{
+ for j in $*; do
+ test -d $j || mkdir -p $j
+ done;
+}
+
+INSTALL_ROOT=${INSTALL_ROOT-/usr/local}
+MAN_DIR=${MAN_DIR-$INSTALL_ROOT/share/man}
+INFO_DIR=${INFO_DIR-$INSTALL_ROOT/share/info}
+DOC_DIR=${DOC_DIR-$INSTALL_ROOT/share/doc/sbcl}
+
+SBCL_SOURCE=`pwd`
+if [ -n "$SBCL_HOME" -a "$INSTALL_ROOT/lib/sbcl" != "$SBCL_HOME" ];then
+ echo SBCL_HOME environment variable is set, and conflicts with INSTALL_ROOT.
+ echo Aborting installation. Unset one or reset the other, then try again
+ echo INSTALL_ROOT="$INSTALL_ROOT"
+ echo SBCL_HOME="$SBCL_HOME"
+ exit 1
+fi
+SBCL_HOME=$INSTALL_ROOT/lib/sbcl
+export SBCL_HOME INSTALL_ROOT
+ensure_dirs $BUILD_ROOT$INSTALL_ROOT $BUILD_ROOT$INSTALL_ROOT/bin \
+ $BUILD_ROOT$INSTALL_ROOT/lib \
+ $BUILD_ROOT$MAN_DIR $BUILD_ROOT$MAN_DIR/man1 \
+ $BUILD_ROOT$INFO_DIR $BUILD_ROOT$DOC_DIR \
+ $BUILD_ROOT$DOC_DIR/html \
+ $BUILD_ROOT$SBCL_HOME $BUILD_ROOT$SBCL_HOME/systems \
+ $BUILD_ROOT$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 $BUILD_ROOT$INSTALL_ROOT/bin/sbcl && \
+ mv $BUILD_ROOT$INSTALL_ROOT/bin/sbcl $BUILD_ROOT$INSTALL_ROOT/bin/sbcl.old
+test -f $BUILD_ROOT$SBCL_HOME/sbcl.core && \
+ mv $BUILD_ROOT$SBCL_HOME/sbcl.core $BUILD_ROOT$SBCL_HOME/sbcl.core.old
+
+cp src/runtime/sbcl $BUILD_ROOT$INSTALL_ROOT/bin/
+cp output/sbcl.core $BUILD_ROOT$SBCL_HOME/sbcl.core
+
+# installing contrib
+
+SBCL="`pwd`/src/runtime/sbcl --noinform --core `pwd`/output/sbcl.core --userinit /dev/null --sysinit /dev/null --disable-debugger"
+SBCL_BUILDING_CONTRIB=1
+export SBCL SBCL_BUILDING_CONTRIB
+
+. ./find-gnumake.sh
+find_gnumake
+
+for i in contrib/*; do
+ test -d $i && test -f $i/test-passed || continue;
+ INSTALL_DIR=$SBCL_HOME/`basename $i `
+ export INSTALL_DIR
+ ensure_dirs $BUILD_ROOT$INSTALL_DIR && $GNUMAKE -C $i install
+done
+
+echo
+echo "SBCL has been installed:"
+echo " binary $BUILD_ROOT$INSTALL_ROOT/bin/sbcl"
+echo " core and contribs in $BUILD_ROOT$INSTALL_ROOT/lib/sbcl/"
+
+# Installing manual & misc bits of documentation
+#
+# Locations based on FHS 2.3.
+# See: <http://www.pathname.com/fhs/pub/fhs-2.3.html>
+#
+# share/ architecture independent read-only things
+# share/man/ manpages, should be the same as man/
+# share/info/ info files
+# share/doc/ misc documentation
+
+echo
+echo "Documentation:"
+
+# man
+cp doc/sbcl.1 $BUILD_ROOT$MAN_DIR/man1/ && echo " man $BUILD_ROOT$MAN_DIR/man1/sbcl.1"
+
+# info
+for info in doc/manual/*.info
+do
+ cp $info $BUILD_ROOT$INFO_DIR/ \
+ && echo -n " info $BUILD_ROOT$INFO_DIR/`basename $info`" \
+ && ( install-info $BUILD_ROOT$INFO_DIR/`basename $info` > /dev/null 2>&1 \
+ || echo -n " (could not add to system catalog)" ) \
+ && echo
+done
+
+# pdf
+for pdf in doc/manual/*.pdf
+do
+ cp $pdf $BUILD_ROOT$DOC_DIR/ \
+ && echo " pdf $BUILD_ROOT$DOC_DIR/`basename $pdf`"
+done
+
+# html
+for html in doc/manual/sbcl doc/manual/asdf
+do
+ test -d $html && cp -R -L $html $BUILD_ROOT$DOC_DIR/html \
+ && echo " html $BUILD_ROOT$DOC_DIR/html/`basename $html`/index.html"
+done
+
+for f in BUGS SUPPORT CREDITS COPYING NEWS
+do
+ cp $f $BUILD_ROOT$DOC_DIR/
+done