===================================================================
RCS file: /home/cvs/OpenXM/src/pari/Makefile,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- OpenXM/src/pari/Makefile	2000/01/08 17:17:50	1.1
+++ OpenXM/src/pari/Makefile	2000/01/08 17:56:58	1.2
@@ -1,4 +1,4 @@
-# $OpenXM$
+# $OpenXM: OpenXM/src/pari/Makefile,v 1.1 2000/01/08 17:17:50 maekawa Exp $
 
 PARI = ../../../OpenXM_contrib/pari
 CURDIR = ../../OpenXM/src/pari
@@ -11,13 +11,16 @@ all: configure
 	@touch ./.make_done
 
 install: all
-	(cd $(PARI) ; make install install-lib-sta)
+	@if [ ! -f ./.install_done ]; then \
+		(cd $(PARI) ; make install install-lib-sta) \
+	fi
+	@touch ./.install_done
 
 clean:
 	@if [ -f ./.make_done ]; then \
 		(cd $(PARI) ; make clean) \
 	fi
-	@rm -f ./.make_done ./.configure_done
+	@rm -f ./.make_done ./.configure_done ./.install_done
 
 configure:
 	@if [ ! -f ./.configure_done ]; then \