--- a/Make  2015-04-20 13:37:06.000000000 +0200
+++ b/Make  2015-04-25 11:32:53.885194600 +0200
@@ -1,9 +1,9 @@
 ### Uncomment for static linking
 ##
-#-custom "$(COQBIN)coqmktop -coqlib `$(COQBIN)coqtop -where` -opt -o bin/ssrcoq src/ssrmatching.cmx src/ssreflect.cmx" "src/ssrmatching.cmx src/ssreflect.cmx" bin/ssrcoq
-#-custom "$(COQBIN)coqmktop -coqlib `$(COQBIN)coqtop -where` -o bin/ssrcoq.byte src/ssrmatching.cmo src/ssreflect.cmo" "src/ssrmatching.cmo src/ssreflect.cmo" bin/ssrcoq.byte
-#-custom "$(SSRCOQ) $(COQFLAGS) -compile $*" "%.v $(SSRCOQ)" "%.vo"
-#SSRCOQ = bin/ssrcoq
+-custom "$(COQBIN)coqmktop -coqlib `$(COQBIN)coqtop -where` -opt -o bin/ssrcoq -I +threads src/ssrmatching.cmx src/ssreflect.cmx" "src/ssrmatching.cmx src/ssreflect.cmx" bin/ssrcoq
+-custom "$(COQBIN)coqmktop -coqlib `$(COQBIN)coqtop -where` -o bin/ssrcoq.byte -I +threads src/ssrmatching.cmo src/ssreflect.cmo" "src/ssrmatching.cmo src/ssreflect.cmo" bin/ssrcoq.byte
+-custom "$(SSRCOQ) $(COQFLAGS) -compile $*" "%.v $(SSRCOQ)" "%.vo"
+SSRCOQ = bin/ssrcoq
 ##

 ## What follows should be left untouched by the final user of ssreflect