Bump to 3.0 for executables_implicit_empty_intf

dune-project

@@ -1,4 +1,4 @@
-(lang dune 2.9)
+(lang dune 3.0)
 (version 3.2)
 (name sedlex)
 (source (github ocaml-community/sedlex))

sedlex.opam

@@ -17,7 +17,7 @@ homepage: "https://github.com/ocaml-community/sedlex"
 bug-reports: "https://github.com/ocaml-community/sedlex/issues"
 depends: [
   "ocaml" {>= "4.08"}
-  "dune" {>= "2.9"}
+  "dune" {>= "3.0"}
   "ppxlib" {>= "0.26.0"}
   "gen"
   "ppx_expect" {with-test}
@@ -32,12 +32,10 @@ build: [
     name
     "-j"
     jobs
-    "--promote-install-files=false"
     "@install"
     "@runtest" {with-test}
     "@doc" {with-doc}
   ]
-  ["dune" "install" "-p" name "--create-install-files" name]
 ]
 dev-repo: "git+https://github.com/ocaml-community/sedlex.git"
 doc: "https://ocaml-community.github.io/sedlex/index.html"

src/syntax/dune

@@ -11,7 +11,8 @@
 
 (rule
  (targets unicode.ml)
- (mode promote-until-clean)
+ (mode
+  (promote (until-clean)))
  (deps
   (:gen ../generator/gen_unicode.exe)
   (glob_files ../generator/data/*.txt))