cleaning before install

Makefile.in

@@ -212,9 +212,12 @@ clean::
 # installation
 ###############
 
+clean_old_install:
+	rm -f $(BINDIR)/why3*
+	rm -rf $(DATADIR)/why3
+
 install_no_local::
 	mkdir -p $(BINDIR)
-	rm -rf $(DATADIR)/why3
 	mkdir -p $(DATADIR)/why3
 	mkdir -p $(DATADIR)/why3/images
 	mkdir -p $(DATADIR)/why3/images/boomy
@@ -251,7 +254,7 @@ install install-lib:
 	@echo "Why is configured in local installation mode."
 	@echo "To install Why, run ./configure --disable-local ; make ; make install"
 else
-install: install_no_local
+install: clean_old_install install_no_local
 install-lib: install_no_local_lib
 endif
 

drivers/coq-realize.drv

 
-prelude "(* This file is generated by Why3's Coq driver *)"
+prelude "(* This file is generated by Why3's Coq-realize driver *)"
 prelude "(* Beware! Only edit allowed sections below    *)"
 
 printer "coq-realize"

lib/coq/set/Set.v

-(* This file is generated by Why3's Coq driver *)
+(* This file is generated by Why3's Coq-realize driver *)
 (* Beware! Only edit allowed sections below    *)
 Require Import BuiltIn.
 Require BuiltIn.
@@ -9,7 +9,7 @@ Lemma predicate_extensionality:
   forall A (P Q : A -> Prop),
     (forall x, P x <-> Q x) -> P = Q.
 Admitted.
-(* "it is folklore that the two are consistent" *)
+(* "it is folklore that the two together are consistent" *)
 
 (* Why3 goal *)
 Definition set : forall (a:Type) {a_WT:WhyType a}, Type.
@@ -17,10 +17,10 @@ intros.
 exact (a -> Prop).
 Defined.
 
-Global Instance set_WhyType : forall a {a_WT:WhyType a}, WhyType (set a).
+Global Instance set_WhyType : forall (a:Type) {a_WT:WhyType a}, WhyType (set a).
 Proof.
 intros.
-exact (fun _ => True).
+exact (fun _ => False).
 Qed.
 
 (* Why3 goal *)