diff --git a/libguile/Makefile.am b/libguile/Makefile.am
index fd7724ff5..887eded92 100644
--- a/libguile/Makefile.am
+++ b/libguile/Makefile.am
@@ -3,17 +3,17 @@
 ##  	Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
 ##
 ##   This file is part of GUILE.
-##   
+##
 ##   GUILE is free software; you can redistribute it and/or modify
 ##   it under the terms of the GNU General Public License as
 ##   published by the Free Software Foundation; either version 2, or
 ##   (at your option) any later version.
-##   
+##
 ##   GUILE is distributed in the hope that it will be useful, but
 ##   WITHOUT ANY WARRANTY; without even the implied warranty of
 ##   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ##   GNU General Public License for more details.
-##   
+##
 ##   You should have received a copy of the GNU General Public
 ##   License along with GUILE; see the file COPYING.  If not, write
 ##   to the Free Software Foundation, Inc., 59 Temple Place, Suite
@@ -120,7 +120,7 @@ libguile_la_DEPENDENCIES = @LIBLOBJS@
 libguile_la_LIBADD = @LIBLOBJS@ $(LIBLTDL) $(THREAD_LIBS_LOCAL)
 libguile_la_LDFLAGS = -version-info @LIBGUILE_INTERFACE_CURRENT@:@LIBGUILE_INTERFACE_REVISION@:@LIBGUILE_INTERFACE_AGE@ -export-dynamic -no-undefined
 
-# These are headers visible as <guile/mumble.h> 
+# These are headers visible as <guile/mumble.h>
 pkginclude_HEADERS = gh.h
 
 # These are headers visible as <libguile/mumble.h>.
@@ -155,7 +155,7 @@ EXTRA_DIST = ChangeLog-gh ChangeLog-scm ChangeLog-threads		\
 
 ## FIXME: Consider using timestamp file, to avoid unnecessary rebuilds.
 libpath.h: $(srcdir)/Makefile.in  $(top_builddir)/config.status
-	@echo "Generating libpath.h..." 
+	@echo "Generating libpath.h..."
 	@rm -f libpath.tmp
 	@echo '/* generated by Makefile */' > libpath.tmp
 	@echo '#define SCM_PKGDATA_DIR "$(pkgdatadir)"' >> libpath.tmp
@@ -183,8 +183,10 @@ libpath.h: $(srcdir)/Makefile.in  $(top_builddir)/config.status
 	@echo '	{ "pkgincludedir", "$(includedir)/@PACKAGE@" }, \' \
 		>> libpath.tmp
 	@echo '	{ "guileversion", "@GUILE_VERSION@" }, \' >> libpath.tmp
-	@echo '	{ "libguileinterface", "@LIBGUILE_INTERFACE@" }, \' >> libpath.tmp
+	@echo '	{ "libguileinterface", "@LIBGUILE_INTERFACE@" }, \' \
+		>> libpath.tmp
 	@echo '	{ "LIBS",	   "@GUILE_LIBS@" }, \' >> libpath.tmp
+	@echo '	{ "buildstamp",    "'"`date`"'" }, \' >> libpath.tmp
 	@echo '}' >> libpath.tmp
 	@mv libpath.tmp libpath.h