Upgrade the vendored dune to 3.14.0

Makefile

@@ -50,9 +50,9 @@ endif
 
 src_ext/dune-local/dune.exe: src_ext/dune-local.stamp $(DUNE_SECONDARY)
 ifeq ($(DUNE_SECONDARY),)
-	cd src_ext/dune-local && ocaml bootstrap.ml
+	cd src_ext/dune-local && ocaml boot/bootstrap.ml
 else
-	cd src_ext/dune-local && ( unset OCAMLLIB ; unset CAML_LD_LIBRARY_PATH ; PATH="$(dir $(realpath $(DUNE_SECONDARY))):$$PATH" ../../$(DUNE_SECONDARY) bootstrap.ml )
+	cd src_ext/dune-local && ( unset OCAMLLIB ; unset CAML_LD_LIBRARY_PATH ; PATH="$(dir $(realpath $(DUNE_SECONDARY))):$$PATH" ../../$(DUNE_SECONDARY) boot/bootstrap.ml )
 endif
 
 src_ext/dune-local.stamp:

src_ext/Makefile

@@ -115,7 +115,7 @@ DUNE_CLONE=
 endif
 
 dune-local/_boot/install/default/bin/dune$(EXE): $(DUNE_CLONE)
-	cd dune-local && ocaml bootstrap.ml && ./boot.exe --release
+	cd dune-local && ocaml boot/bootstrap.ml && ./boot.exe --release
 
 build-pkg: clone-pkg $(PKG_EXTS:=.pkgbuild)
 	@

src_ext/Makefile.dune

@@ -1,3 +1,3 @@
 # NB If minimum OCaml version for Dune changes, update DUNE_SECONDARY in configure.ac
-URL_dune-local = https://github.com/ocaml/dune/releases/download/3.5.0/dune-3.5.0.tbz
-MD5_dune-local = 46d1bde258ef60f60f053e88fe9d937b
+URL_dune-local = https://github.com/ocaml/dune/releases/download/3.14.0/dune-3.14.0.tbz
+MD5_dune-local = bff778fff4996b890e5af3da7ecf5baa

src_ext/Makefile.packages

@@ -115,7 +115,7 @@ dose3-pkg-build:
 	dune install "--prefix=$(OCAMLROOT)" -p dose3 dose3
 
 dune-local-pkg-build:
-	ocaml bootstrap.ml
+	ocaml boot/bootstrap.ml
 	cp dune.exe $(OCAMLBIN)/dune$(EXT_EXE)
 
 mccs-pkg-build: stublibs