--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -194,10 +194,23 @@
 defaults.h: defaults.h.in ../Makeconf Makefile
 	@echo "making defaults.h from defaults.h.in"
 	@(sed < $< > $@.tmp \
-	  -e 's;%DEFAULT_PAGER%;\"${DEFAULT_PAGER}\";' \
-	  -e 's;%OCTAVE_HOME%;\"${OCTAVE_HOME}\";' \
-	  -e 's;%OCTAVE_LIB_DIR%;\"${OCTAVE_LIB_DIR}\";' \
-	  -e 's;%OCTAVE_INFO_DIR%;\"${OCTAVE_INFO_DIR}\";')
+	  -e "s;%DEFAULT_PAGER%;\"${DEFAULT_PAGER}\";" \
+	  -e "s;%OCTAVE_PREFIX%;\"${prefix}\";" \
+	  -e "s;%OCTAVE_EXEC_PREFIX%;\"${exec_prefix}\";" \
+	  -e "s;%OCTAVE_DATADIR%;\"${datadir}\";" \
+	  -e "s;%OCTAVE_LIBDIR%;\"${libdir}\";" \
+	  -e "s;%OCTAVE_INFODIR%;\"${infodir}\";" \
+	  -e "s;%OCTAVE_FCNFILEDIR%;\"${fcnfiledir}\";" \
+	  -e "s;%OCTAVE_LOCALFCNFILEPATH%;\"${localfcnfilepath}\";" \
+	  -e "s;%OCTAVE_ARCHLIBDIR%;\"${archlibdir}\";" \
+	  -e "s;%OCTAVE_OCTFILEDIR%;\"${octfiledir}\";" \
+	  -e "s;%OCTAVE_LOCALOCTFILEPATH%;\"${localoctfilepath}\";" \
+	  -e "s;%OCTAVE_FCNFILEPATH%;\"${fcnfilepath}\";" \
+	  -e "s;%TARGET_HOST_TYPE%;\"${target_host_type}\";")
 	@$(top_srcdir)/move-if-change $@.tmp $@
 
+check: all
+.PHONY: check
+
+
 include $(MAKEDEPS)