X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2FMakefile;h=bee981cbd57f3db0bdb4b4f14996ddaea9f284ec;hb=829e3a8af3229c4e625245f7265dd67939da98c4;hp=8d6f2ccd2f60da89d179693bdb6bc2a618e44407;hpb=68b4f2490c12139c03760b39895619e63b0f38c9;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/Makefile b/matita/matita/contribs/lambdadelta/Makefile
index 8d6f2ccd2..bee981cbd 100644
--- a/matita/matita/contribs/lambdadelta/Makefile
+++ b/matita/matita/contribs/lambdadelta/Makefile
@@ -26,7 +26,7 @@ TAGS := all names xoa orig elim deps top leaf stats tbls odeps trim clean \
         pack-ground pack-2a pack-2b \
         home up-home \
 
-PACKAGES  := ground basic_2A static_2 basic_2 apps_2 alpha_1
+PACKAGES  := ground basic_2A static_2 basic_2 apps_2 alpha_1 delayed_updating
 
 LDWS := $(shell find -name "*.ldw.xml")
 TBLS := $(shell find -name "*.tbl")
@@ -186,7 +186,7 @@ define SUMMARY_TEMPLATE
   $$(SUM_$(1)): S2 = $$(word 2, $$(C0))
   $$(SUM_$(1)): S3 = $$(word 3, $$(C0))
   $$(SUM_$(1)): S4 = $$(word 4, $$(C0))
-  $$(SUM_$(1)): S5 = $$(shell printf "%.1f" `echo "scale=2;$$(S4)/$$(S2)"|bc`)
+  $$(SUM_$(1)): S5 = $$(shell printf "%.1f" `echo "scale=2;if($$(S2)!=0)$$(S4)/$$(S2) else 0"|bc`)
   $$(SUM_$(1)): C1 = $$(word 5, $$(C0))
   $$(SUM_$(1)): C2 = $$(word 7, $$(C0))
   $$(SUM_$(1)): C3 = $$(shell echo "$$(C1)+$$(C2)"|bc)