Index: libguile/Makefile.am
===================================================================
--- libguile/Makefile.am.orig	2016-07-21 14:25:17.550695136 +0200
+++ libguile/Makefile.am	2016-07-21 14:25:22.414650084 +0200
@@ -721,7 +721,7 @@
 		>> libpath.tmp
 	@echo '	{ "LIBS",	   "@GUILE_LIBS@" }, \' >> libpath.tmp
 	@echo '	{ "CFLAGS",	   "@GUILE_CFLAGS@" }, \' >> libpath.tmp
-	@echo '	{ "buildstamp",    "'`date -u +'%Y-%m-%d %T'`'" }, \' >> libpath.tmp
+	@echo '	{ "buildstamp",    "'1970-01-01 00:00:01'" }, \' >> libpath.tmp
 	@echo '}' >> libpath.tmp
 	$(AM_V_GEN)mv libpath.tmp libpath.h
 
Index: libguile/Makefile.in
===================================================================
--- libguile/Makefile.in.orig	2016-07-21 14:25:17.550695136 +0200
+++ libguile/Makefile.in	2016-07-21 14:25:22.414650084 +0200
@@ -3732,7 +3732,7 @@
 		>> libpath.tmp
 	@echo '	{ "LIBS",	   "@GUILE_LIBS@" }, \' >> libpath.tmp
 	@echo '	{ "CFLAGS",	   "@GUILE_CFLAGS@" }, \' >> libpath.tmp
-	@echo '	{ "buildstamp",    "'`date -u +'%Y-%m-%d %T'`'" }, \' >> libpath.tmp
+	@echo '	{ "buildstamp",    "'1970-01-01 00:00:02'" }, \' >> libpath.tmp
 	@echo '}' >> libpath.tmp
 	$(AM_V_GEN)mv libpath.tmp libpath.h