Use dune.3.7.0

eio_browser.opam

@@ -10,7 +10,7 @@ homepage: "https://github.com/ocaml-multicore/eio"
 doc: "https://ocaml-multicore.github.io/eio/"
 bug-reports: "https://github.com/ocaml-multicore/eio/issues"
 depends: [
-  "dune" {>= "2.9"}
+  "dune" {>= "3.7"}
   "eio" {= version}
   "brr" {>= "0.0.4"}
   "alcotest" {>= "1.6.0" & with-test}
@@ -26,11 +26,9 @@ 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-multicore/eio.git"

lib_eio_js/browser/example/dune

@@ -1,17 +1,9 @@
-; We compile by hand because dune is a little broken w.r.t to
-; separate compilation, js_of_ocaml and effects.
 (executable
  (name index)
- (modes byte)
- (js_of_ocaml (flags --target-env=nodejs --enable=effects --debug-info --source-map --pretty))
+ (modes js)
+ (js_of_ocaml (flags --enable=effects))
  (libraries eio_browser))
 
-(rule
- (alias runtest)
- (deps index.bc)
- (targets index.bc.js)
- (action (run %{bin:js_of_ocaml} -o %{targets} --enable=effects %{lib:eio_browser:runtime.js} %{dep:index.bc})))
-
 (rule
  (alias runtest)
  (deps index.html index.bc.js)

lib_eio_js/browser/test/dune

@@ -6,15 +6,10 @@
 (executable
  (name test)
  (modules test)
- (modes byte)
+ (modes js)
+ (js_of_ocaml (flags --enable=effects --setenv=ALCOTEST_COLOR=always))
  (libraries alcotest ansi eio_test eio_browser))
 
-(rule
- (alias runtest)
- (deps test.bc)
- (targets test.bc.js)
- (action (run %{bin:js_of_ocaml} -o %{targets} --enable=effects --setenv=ALCOTEST_COLOR=always %{lib:eio_browser:runtime.js} +alcotest/runtime.js %{dep:test.bc})))
-
 (rule
  (alias runtest)
  (deps index.html test.bc.js)