diff --git a/.github/workflows/build_docker.yml b/.github/workflows/build_docker.yml
index 328ddee96..a975ed853 100644
--- a/.github/workflows/build_docker.yml
+++ b/.github/workflows/build_docker.yml
@@ -22,13 +22,20 @@ jobs:
       image: ocamlpro/ocaml:4.10
 
     steps:
+      # Checkout the code of the current branch
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      # Switch to ocaml user
+      - run: su ocaml
+
       # This line is needed to acces and use opam. We are unable to set the user
       # to `ocaml` with the container parameters
       - run: sudo chmod a+wx .
 
-      # Checkout the code of the current branch
-      - name: Checkout code
-        uses: actions/checkout@v2
+      # This line is needed to allow the working directory to be used even
+      # the ocaml user do not have rights on it.
+      - run: CURRENTDIR=$(basename $(pwd)); git config --global --add safe.directory /__w/$CURRENTDIR/$CURRENTDIR
 
       # Create a switch with the system compiler (no compilation needed).
       # And then, install external (no need for depext with opam 2.1) and libs deps.
diff --git a/.github/workflows/build_js.yml b/.github/workflows/build_js.yml
index 80e4a97f9..2d802c22b 100644
--- a/.github/workflows/build_js.yml
+++ b/.github/workflows/build_js.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -44,9 +44,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
diff --git a/.github/workflows/build_macos.yml b/.github/workflows/build_macos.yml
index 14cd4156e..3e3c4d109 100644
--- a/.github/workflows/build_macos.yml
+++ b/.github/workflows/build_macos.yml
@@ -31,7 +31,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Retrieve the opam cache with unique key
       # A new cache is created/used if the `.opam` files changes or
@@ -47,9 +47,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
diff --git a/.github/workflows/build_make.yml b/.github/workflows/build_make.yml
index a5345b5e6..13768389a 100644
--- a/.github/workflows/build_make.yml
+++ b/.github/workflows/build_make.yml
@@ -22,7 +22,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -42,9 +42,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
@@ -94,7 +94,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -114,9 +114,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
@@ -168,7 +168,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -186,16 +186,16 @@ jobs:
           key: v1-${{ runner.os }}-alt-ergo-make-${{ matrix.package }}-${{ env.OCAML_DEFAULT_VERSION }}-${{ hashFiles('*.opam') }}
 
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
diff --git a/.github/workflows/build_ubuntu.yml b/.github/workflows/build_ubuntu.yml
index 603ee6154..a4e132a0f 100644
--- a/.github/workflows/build_ubuntu.yml
+++ b/.github/workflows/build_ubuntu.yml
@@ -29,7 +29,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -49,9 +49,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
@@ -107,7 +107,7 @@ jobs:
     strategy:
       matrix:
         # Setup ocaml versions to test
-        ocaml-version:
+        ocaml-compiler:
           - 4.05.0
           - 4.05.0+flambda
           - 4.06.1
@@ -126,7 +126,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -141,14 +141,14 @@ jobs:
         id: cache-opam
         with:
           path: ~/.opam
-          key: v1-${{ runner.os }}-alt-ergo-${{ matrix.ocaml-version }}-${{ hashFiles('*.opam') }}
+          key: v1-${{ runner.os }}-alt-ergo-${{ matrix.ocaml-compiler }}-${{ hashFiles('*.opam') }}
 
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
index 25efc1050..599417595 100644
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Retrieve the opam cache with unique key
       # A new cache is created/used if the `.opam` files changes or
@@ -40,9 +40,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 74f73f067..57ce0fcdf 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -32,7 +32,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Update apt-get database
       - name: Update apt-get database
@@ -52,9 +52,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Pin the packages, this is needed for opam depext
       # remove this step when opam 2.1 will be used
@@ -111,7 +111,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Build the sphinx documentation
       # and automatically print any error or warning
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 516c8a626..4fddf3b9f 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Retrieve the opam cache with unique key
       # A new cache is created/used if the `.opam` files changes or
@@ -41,9 +41,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Install ocp-indent with the fixed version
       # Do nothing if ocp-indent is already installed
@@ -65,7 +65,7 @@ jobs:
     steps:
       # Checkout the code of the current branch
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Retrieve the opam cache with unique key
       # A new cache is created/used if the `.opam` files changes or
@@ -81,9 +81,9 @@ jobs:
       # Get an OCaml environment with opam installed and the proper ocaml version
       # opam will used opam cache environment if retrieved
       - name: Use OCaml ${{ env.OCAML_DEFAULT_VERSION }}
-        uses: avsm/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ env.OCAML_DEFAULT_VERSION }}
+          ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
 
       # Install dependencies of the ocpchecker executable
       # Dune and stdlib-shims is needed to build the executable
diff --git a/Makefile b/Makefile
index 336debe69..3759fbd14 100644
--- a/Makefile
+++ b/Makefile
@@ -116,6 +116,9 @@ AB-Why3:
 	ln -sf $(INSTALL_DIR)/default/share/alt-ergo/plugins/AB-Why3-plugin.cma AB-Why3-plugin.cma
 	ln -sf $(INSTALL_DIR)/default/share/alt-ergo/plugins/AB-Why3-plugin.cmxs AB-Why3-plugin.cmxs
 
+js: gen
+	$(DUNE) build $(DUNE_FLAGS) @$(BJS_DIR)/all
+
 # Build all plugins
 plugins:
 	$(DUNE) build $(DUNE_FLAGS) \
diff --git a/alt-ergo-js.opam b/alt-ergo-js.opam
new file mode 100644
index 000000000..e7d8578c3
--- /dev/null
+++ b/alt-ergo-js.opam
@@ -0,0 +1,41 @@
+# This file is generated by dune, edit dune-project instead
+opam-version: "2.0"
+version: "2.4.3"
+synopsis: "The Alt-Ergo SMT prover"
+description: """
+Alt-Ergo is an automatic theorem prover of mathematical formulas. It was developed at LRI, and is now maintained at OCamlPro.
+
+See more details on https://alt-ergo.ocamlpro.com/"""
+maintainer: ["Alt-Ergo developers"]
+authors: ["Alt-Ergo developers"]
+homepage: "https://alt-ergo.ocamlpro.com/"
+doc: "https://ocamlpro.github.io/alt-ergo"
+bug-reports: "https://github.com/OCamlPro/alt-ergo/issues"
+depends: [
+  "dune" {>= "2.8"}
+  "ocaml" {>= "4.05.0"}
+  "alt-ergo-lib" {= version}
+  "alt-ergo-parsers" {= version}
+  "js_of_ocaml" {>= "4.0.1" & <= "5.0.1"}
+  "js_of_ocaml-lwt"
+  "js_of_ocaml-ppx"
+  "data-encoding"
+  "zarith_stubs_js"
+  "lwt_ppx"
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/OCamlPro/alt-ergo.git"
diff --git a/alt-ergo-lib.opam b/alt-ergo-lib.opam
index c3b2cf427..bb2138fe6 100644
--- a/alt-ergo-lib.opam
+++ b/alt-ergo-lib.opam
@@ -14,8 +14,8 @@ homepage: "https://alt-ergo.ocamlpro.com/"
 doc: "https://ocamlpro.github.io/alt-ergo"
 bug-reports: "https://github.com/OCamlPro/alt-ergo/issues"
 depends: [
+  "dune" {>= "2.8"}
   "ocaml" {>= "4.05.0"}
-  "dune" {>= "2.0"}
   "dune-configurator"
   "dune-build-info"
   "num"
diff --git a/alt-ergo-parsers.opam b/alt-ergo-parsers.opam
index 756d5a49c..6dd60fbd0 100644
--- a/alt-ergo-parsers.opam
+++ b/alt-ergo-parsers.opam
@@ -14,8 +14,8 @@ homepage: "https://alt-ergo.ocamlpro.com/"
 doc: "https://ocamlpro.github.io/alt-ergo"
 bug-reports: "https://github.com/OCamlPro/alt-ergo/issues"
 depends: [
+  "dune" {>= "2.8"}
   "ocaml" {>= "4.05.0"}
-  "dune" {>= "2.0"}
   "alt-ergo-lib" {= version}
   "psmt2-frontend" {>= "0.3"}
   "camlzip" {>= "1.07"}
diff --git a/alt-ergo.opam b/alt-ergo.opam
index 642384586..18f72689d 100644
--- a/alt-ergo.opam
+++ b/alt-ergo.opam
@@ -12,8 +12,8 @@ homepage: "https://alt-ergo.ocamlpro.com/"
 doc: "https://ocamlpro.github.io/alt-ergo"
 bug-reports: "https://github.com/OCamlPro/alt-ergo/issues"
 depends: [
+  "dune" {>= "2.8"}
   "ocaml" {>= "4.05.0"}
-  "dune" {>= "2.0"}
   "alt-ergo-lib" {= version}
   "alt-ergo-parsers" {= version}
   "menhir"
diff --git a/altgr-ergo.opam b/altgr-ergo.opam
index 24b95da40..93c4270b0 100644
--- a/altgr-ergo.opam
+++ b/altgr-ergo.opam
@@ -14,8 +14,8 @@ homepage: "https://alt-ergo.ocamlpro.com/"
 doc: "https://ocamlpro.github.io/alt-ergo"
 bug-reports: "https://github.com/OCamlPro/alt-ergo/issues"
 depends: [
+  "dune" {>= "2.8"}
   "ocaml" {>= "4.05.0"}
-  "dune" {>= "2.0"}
   "alt-ergo-lib" {= version}
   "alt-ergo-parsers" {= version}
   "lablgtk3"
diff --git a/dune-project b/dune-project
index 9bd212a64..b9b58f34d 100644
--- a/dune-project
+++ b/dune-project
@@ -1,5 +1,4 @@
-(lang dune 2.0)
-(allow_approximate_merlin)
+(lang dune 2.8)
 
 ; Since we want to generate opam files we need to provide informations ;
 (generate_opam_files true)
@@ -26,13 +25,32 @@ Alt-Ergo is an automatic theorem prover of mathematical formulas. It was develop
 See more details on https://alt-ergo.ocamlpro.com/")
  (depends
   (ocaml (>= 4.05.0))
-  (dune (and (>= 2.0)))
   (alt-ergo-lib (= :version))
   (alt-ergo-parsers (= :version))
    menhir
   (cmdliner (>= 1.1.0))
   (odoc :with-doc)
-  )
+ )
+)
+
+(package
+  (name alt-ergo-js)
+  (synopsis "The Alt-Ergo SMT prover")
+  (description "\
+Alt-Ergo is an automatic theorem prover of mathematical formulas. It was developed at LRI, and is now maintained at OCamlPro.
+
+See more details on https://alt-ergo.ocamlpro.com/")
+ (depends
+  (ocaml (>= 4.05.0))
+  (alt-ergo-lib (= :version))
+  (alt-ergo-parsers (= :version))
+  (js_of_ocaml (and (>= 4.0.1) (<= 5.0.1)))
+  js_of_ocaml-lwt
+  js_of_ocaml-ppx
+  data-encoding
+  zarith_stubs_js
+  lwt_ppx
+ )
 )
 
 ; Second package, the alt-ergo gui binary
@@ -51,7 +69,6 @@ See more details on https://alt-ergo.ocamlpro.com/"
 
  (depends
   (ocaml (>= 4.05.0))
-  (dune (and (>= 2.0)))
   (alt-ergo-lib (= :version))
   (alt-ergo-parsers (= :version))
   lablgtk3
@@ -59,7 +76,7 @@ See more details on https://alt-ergo.ocamlpro.com/"
   lablgtk3-sourceview3
   (cmdliner (>= 1.1.0))
   (odoc :with-doc)
-)
+ )
 )
 
 ; Third package, the alt-ergo parsers library
@@ -78,7 +95,6 @@ See more details on http://alt-ergo.ocamlpro.com/"
 
  (depends
   (ocaml (>= 4.05.0))
-  (dune (and (>= 2.0)))
   (alt-ergo-lib (= :version))
   (psmt2-frontend (>= 0.3))
   (camlzip (>= 1.07))
@@ -104,7 +120,6 @@ See more details on http://alt-ergo.ocamlpro.com/"
 
  (depends
   (ocaml (>= 4.05.0))
-  (dune (and (>= 2.0)))
   dune-configurator
   dune-build-info
   num
diff --git a/src/bin/js/dune b/src/bin/js/dune
index 8a9c2dc2d..56032865e 100644
--- a/src/bin/js/dune
+++ b/src/bin/js/dune
@@ -1,39 +1,52 @@
 ; Rule to build a js version runnable with node-js of Alt-Ergo
 (executable
-  (name         main_text_js)
-  (libraries    alt_ergo_common zarith_stubs_js)
-  (modules      main_text_js)
-  (modes        byte js)
-  (js_of_ocaml
-    (flags --no-source-map)
-  )
+ (name main_text_js)
+ (public_name alt-ergo-js)
+ (package alt-ergo-js)
+ (libraries
+   alt_ergo_common
+   zarith_stubs_js
+ )
+ (modules main_text_js)
+ (modes byte js)
+ (js_of_ocaml (flags --no-source-map +toplevel.js +dynlink.js))
 )
 
 (library
-  (name         worker_interface)
-  (libraries    js_of_ocaml data-encoding)
-  (modules      worker_interface)
+ (name worker_interface)
+ (package alt-ergo-js)
+ (libraries
+   js_of_ocaml
+   data-encoding
+ )
+ (modules worker_interface)
 )
 
 ; Rule to build a web worker running Alt-Ergo
 (executable
-  (name         worker_js)
-  (libraries    worker_interface alt_ergo_common zarith_stubs_js js_of_ocaml js_of_ocaml-lwt)
-  (modules      worker_js options_interface)
-  (modes        byte js)
-  (js_of_ocaml
-    (flags --no-source-map)
-  )
+ (name worker_js)
+ (libraries
+   worker_interface
+   alt_ergo_common
+   zarith_stubs_js
+   js_of_ocaml
+   js_of_ocaml-lwt
+ )
+ (modules worker_js options_interface)
+ (modes byte js)
+ (js_of_ocaml (flags --no-source-map +toplevel.js +dynlink.js))
 )
 
 ; Rule to build a small js example running the Alt-Ergo web worker
 (executable
-  (name         worker_example)
-  (libraries    worker_interface zarith_stubs_js js_of_ocaml js_of_ocaml-lwt)
-  (modules      worker_example)
-  (modes        byte js)
-  (preprocess (pps js_of_ocaml-ppx lwt_ppx))
-  (js_of_ocaml
-    (flags --no-source-map)
-  )
+ (name worker_example)
+ (libraries
+   worker_interface
+   zarith_stubs_js
+   js_of_ocaml
+   js_of_ocaml-lwt
+ )
+ (modules worker_example)
+ (modes byte js)
+ (preprocess (pps js_of_ocaml-ppx lwt_ppx))
 )
diff --git a/src/dune b/src/dune
index b9b3711ee..60b3359da 100644
--- a/src/dune
+++ b/src/dune
@@ -11,4 +11,5 @@
   (flags
    (:standard -bin-annot))
   (ocamlopt_flags -O3 -unbox-closures))
+  (js_of_ocaml (flags --no-source-map))
 )
diff --git a/src/lib/missing_primitives.js b/src/lib/missing_primitives.js
index 9557e1304..b094022cc 100644
--- a/src/lib/missing_primitives.js
+++ b/src/lib/missing_primitives.js
@@ -2,12 +2,22 @@
 // the missing primitives are replace with dummies
 
 //Provides: unix_times
-//Requires: unix_gettimeofday
+//Requires: caml_unix_gettimeofday
 function unix_times () {
-    var utime = unix_gettimeofday ();
+    var utime = caml_unix_gettimeofday ();
     return BLOCK(0, utime, utime, utime, utime)
 }
 //Provides: unix_setitimer
 function unix_setitimer () {
   return BLOCK(0, 0, 0, 0)
 }
+
+//Provides: unix_getpid
+function unix_getpid() {
+  return 0;
+}
+
+//Provides: unix_kill
+function unix_kill() {
+  return 0;
+}