Fix the compilation of opam on Windows with OCaml >= 5.0 (again)

.github/scripts/main/main.sh

@@ -28,10 +28,6 @@ case "$1" in
     CONFIGURE_PREFIX="$PREFIX";;
 esac
 
-if [ -e "$OCAML_LOCAL/_build" ]; then
-  cp -a "$OCAML_LOCAL/_build" .
-fi
-
 ./configure --prefix $CONFIGURE_PREFIX --with-vendored-deps --with-mccs
 if [ "$OPAM_TEST" != "1" ]; then
   echo 'DUNE_PROFILE=dev' >> Makefile.config

.github/scripts/main/ocaml-cache.sh

@@ -146,8 +146,10 @@ EOF
   chmod +x "$OCAML_LOCAL/bin/ocamldoc"
 fi
 
-# Hand-over control to a separate script in case the branch being tested
-# updates this script, which will fail on Windows (since the script is "open"
-# and can't be overwritten)
-cp -pf .github/scripts/main/create-ocaml-cache.sh ../create-ocaml-cache.sh
-exec ../create-ocaml-cache.sh "$OCAML_BRANCH" "$PREFIX" "$EXE" "$OCAML_LOCAL" "$PLATFORM"
+make -C src_ext dune-local.stamp
+cd src_ext/dune-local
+ocaml boot/bootstrap.ml
+cp _boot/dune.exe "$PREFIX/bin/dune$EXE"
+cd ../..
+
+git clean -dfX

.github/workflows/ci.ml

@@ -13,10 +13,17 @@
 
 open Lib
 
+let latest_ocaml4 = "4.14.2"
+let latest_ocaml5 = "5.2.0" (* Add this number to ocamls below when the next version comes out *)
 let ocamls = [
   (* Fully supported versions *)
-   "4.08.1"; "4.09.1"; "4.10.2"; "4.11.2"; "4.12.1"; "4.13.1"; "5.0.0"; "5.1.1"; "4.14.1";
+  "4.08.1"; "4.09.1"; "4.10.2"; "4.11.2"; "4.12.1"; "4.13.1";
+  "5.0.0"; "5.1.1";
+
+  (* The last elements of the list after 4.14 will be used as default versions *)
+  latest_ocaml4; latest_ocaml5;
 ]
+let start_latests_ocaml = (4, 14)
 
 (* Entry point for the workflow. Workflows are specified as continuations where
    each job is passed as a continuation to the [workflow], terminated with
@@ -65,8 +72,6 @@ let end_workflow ~oc:_ ~workflow:_ = ()
 let ocamls =
   List.map (fun v -> Scanf.sscanf v "%u.%u.%u" (fun major minor _ -> ((major, minor), v))) ocamls
 
-let latest_ocaml = List.fold_left (fun _ (v, _) -> v) (0, 0) ocamls
-
 let platform_ocaml_matrix ?(dir=List.drop_while) ~fail_fast start_version =
   (fail_fast,
    [("ocamlv", List.map snd (dir (fun ocaml -> fst ocaml <> start_version) ocamls))],
@@ -296,13 +301,32 @@ let main_build_job ~analyse_job ~cygwin_job ?section runner start_version ~oc ~w
   (* Intentionally fail fast, no need to run all build if there is a
    * problem in a given version; usually it is functions not defined in lower
    * versions of OCaml. *)
-  let (_fail_fast, matrix, _) = platform_ocaml_matrix ~fail_fast:true start_version in
   let (matrix, includes) =
     if platform = Windows then
-      (("host", ["x86_64-pc-cygwin"; "i686-w64-mingw32"; "x86_64-w64-mingw32"; "i686-pc-windows"; "x86_64-pc-windows"]) ::
-       ("build", ["x86_64-pc-cygwin"]) ::
-       matrix, [])
+      let matrix =
+        let ocaml4 = [
+          "x86_64-pc-cygwin";
+          "i686-w64-mingw32";
+          "x86_64-w64-mingw32";
+          "i686-pc-windows";
+          "x86_64-pc-windows"
+        ] in
+        let ocaml5 = [
+          "x86_64-w64-mingw32";
+          (* "x86_64-pc-windows"; 5.3 needed *)
+        ] in
+        let matrix_elem ocamlv hosts =
+          let elem ocaml host =
+            [("host", host); ("build", "x86_64-pc-cygwin"); ("ocamlv", ocaml)]
+          in
+          List.map (elem ocamlv) hosts
+        in
+        matrix_elem latest_ocaml4 ocaml4
+        @ matrix_elem latest_ocaml5 ocaml5
+      in
+      ([], matrix)
     else
+      let (_fail_fast, matrix, _) = platform_ocaml_matrix ~fail_fast:true start_version in
       (matrix, []) in
   let matrix = ((platform <> Windows), matrix, includes) in
   let needs = if platform = Windows then [analyse_job; cygwin_job] else [analyse_job] in
@@ -351,7 +375,7 @@ let main_test_job ~analyse_job ~build_linux_job ~build_windows_job:_ ~build_macO
     | MacOS -> [analyse_job]  (* This isn't gated on build_macOS_job for speed *)
     | Linux -> [analyse_job; build_linux_job]
   in
-  let matrix = platform_ocaml_matrix ~fail_fast:false latest_ocaml in
+  let matrix = platform_ocaml_matrix ~fail_fast:false start_latests_ocaml in
   let host = host_of_platform platform in
   let ocamlv = "${{ matrix.ocamlv }}" in
   job ~oc ~workflow ?section ~runs_on:(Runner [runner]) ~env:[("OPAM_TEST", "1")] ~matrix ~needs ("Test-" ^ name_of_platform platform)
@@ -391,7 +415,7 @@ let solvers_job ~analyse_job ~build_linux_job ~build_windows_job ~build_macOS_jo
   let only_on target = only_on platform target in
   let needs = [analyse_job; (match platform with Linux -> build_linux_job | Windows -> build_windows_job | MacOS -> build_macOS_job)] in
   let env = [("SOLVER", "${{ matrix.solver }}"); ("OPAMBSROOT", "~/.cache/opam.${{ matrix.solver }}.cached")] in
-  let (fail_fast, matrix, _) = platform_ocaml_matrix ~fail_fast:false latest_ocaml in
+  let (fail_fast, matrix, _) = platform_ocaml_matrix ~fail_fast:false start_latests_ocaml in
   let matrix =
     (fail_fast, ("solver", ["z3"; "0install"])::matrix, [])
   in
@@ -413,7 +437,7 @@ let upgrade_job ~analyse_job ~build_linux_job ~build_windows_job ~build_macOS_jo
   let host = host_of_platform platform in
   let only_on target = only_on platform target in
   let needs = [analyse_job; (match platform with Linux -> build_linux_job | Windows -> build_windows_job | MacOS -> build_macOS_job)] in
-  let matrix = platform_ocaml_matrix ~fail_fast:false latest_ocaml in
+  let matrix = platform_ocaml_matrix ~fail_fast:false start_latests_ocaml in
   let ocamlv = "${{ matrix.ocamlv }}" in
   job ~oc ~workflow ?section ~runs_on:(Runner [runner]) ~needs ~matrix ("Upgrade-" ^ name_of_platform platform)
     ++ only_on Linux (run "Install bubblewrap" ["sudo apt install bubblewrap"])
@@ -482,16 +506,16 @@ let main oc : unit =
   ] in
   let keys = [
     ("archives", "archives-1-${{ hashFiles('src_ext/Makefile.dune', 'src_ext/Makefile.sources', 'src_ext/Makefile', '.github/scripts/common/preamble.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/archives-cache.sh') }}-${{ env.OPAM_REPO_SHA }}");
-    ("ocaml-cache", "${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/create-ocaml-cache.sh') }}");
+    ("ocaml-cache", "${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh') }}");
     ("cygwin", "${{ hashFiles('.github/scripts/cygwin.cmd') }}-${{ env.CYGWIN_EPOCH }}");
     ("opam-bs-cache", "${{ hashFiles('.github/scripts/main/opam-bs-cache.sh', '*.opam', '.github/scripts/main/preamble.sh') }}");
   ] in
   workflow ~oc ~env "Builds, tests & co"
   ++ analyse_job ~keys ~platforms:[Linux]
   @@ fun analyse_job -> cygwin_job ~analyse_job
   @@ fun cygwin_job -> main_build_job ~analyse_job ~cygwin_job ~section:"Build" Linux (4, 08)
-  @@ fun build_linux_job -> main_build_job ~analyse_job ~cygwin_job Windows latest_ocaml
-  @@ fun build_windows_job -> main_build_job ~analyse_job ~cygwin_job MacOS latest_ocaml
+  @@ fun build_linux_job -> main_build_job ~analyse_job ~cygwin_job Windows start_latests_ocaml
+  @@ fun build_windows_job -> main_build_job ~analyse_job ~cygwin_job MacOS start_latests_ocaml
   @@ fun build_macOS_job -> main_test_job ~analyse_job ~build_linux_job ~build_windows_job ~build_macOS_job ~section:"Opam tests" Linux
   @@ fun _ -> main_test_job ~analyse_job ~build_linux_job ~build_windows_job ~build_macOS_job MacOS
   @@ fun _ -> cold_job ~analyse_job ~build_linux_job ~build_windows_job ~build_macOS_job ~section:"Opam cold" Linux

.github/workflows/main.yml

@@ -58,8 +58,8 @@ jobs:
       run: |
         echo archives=archives-1-${{ hashFiles('src_ext/Makefile.dune', 'src_ext/Makefile.sources', 'src_ext/Makefile', '.github/scripts/common/preamble.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/archives-cache.sh') }}-${{ env.OPAM_REPO_SHA }}
         echo archives=archives-1-${{ hashFiles('src_ext/Makefile.dune', 'src_ext/Makefile.sources', 'src_ext/Makefile', '.github/scripts/common/preamble.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/archives-cache.sh') }}-${{ env.OPAM_REPO_SHA }} >> $GITHUB_OUTPUT
-        echo ocaml-cache=${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/create-ocaml-cache.sh') }}
-        echo ocaml-cache=${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/create-ocaml-cache.sh') }} >> $GITHUB_OUTPUT
+        echo ocaml-cache=${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh') }}
+        echo ocaml-cache=${{ hashFiles('src_ext/Makefile.dune', '.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh') }} >> $GITHUB_OUTPUT
         echo cygwin=${{ hashFiles('.github/scripts/cygwin.cmd') }}-${{ env.CYGWIN_EPOCH }}
         echo cygwin=${{ hashFiles('.github/scripts/cygwin.cmd') }}-${{ env.CYGWIN_EPOCH }} >> $GITHUB_OUTPUT
         echo opam-bs-cache=${{ hashFiles('.github/scripts/main/opam-bs-cache.sh', '*.opam', '.github/scripts/main/preamble.sh') }}
@@ -106,7 +106,7 @@ jobs:
     needs: Analyse
     strategy:
       matrix:
-        ocamlv: [ 4.08.1, 4.09.1, 4.10.2, 4.11.2, 4.12.1, 4.13.1, 5.0.0, 5.1.1, 4.14.1 ]
+        ocamlv: [ 4.08.1, 4.09.1, 4.10.2, 4.11.2, 4.12.1, 4.13.1, 5.0.0, 5.1.1, 4.14.2, 5.2.0 ]
       fail-fast: true
     steps:
     - name: Install bubblewrap
@@ -141,9 +141,25 @@ jobs:
     needs: [ Analyse, Cygwin ]
     strategy:
       matrix:
-        host: [ x86_64-pc-cygwin, i686-w64-mingw32, x86_64-w64-mingw32, i686-pc-windows, x86_64-pc-windows ]
-        build: [ x86_64-pc-cygwin ]
-        ocamlv: [ 4.14.1 ]
+        include:
+          - host: x86_64-pc-cygwin
+            build: x86_64-pc-cygwin
+            ocamlv: 4.14.2
+          - host: i686-w64-mingw32
+            build: x86_64-pc-cygwin
+            ocamlv: 4.14.2
+          - host: x86_64-w64-mingw32
+            build: x86_64-pc-cygwin
+            ocamlv: 4.14.2
+          - host: i686-pc-windows
+            build: x86_64-pc-cygwin
+            ocamlv: 4.14.2
+          - host: x86_64-pc-windows
+            build: x86_64-pc-cygwin
+            ocamlv: 4.14.2
+          - host: x86_64-w64-mingw32
+            build: x86_64-pc-cygwin
+            ocamlv: 5.2.0
       fail-fast: false
     defaults:
       run:
@@ -226,7 +242,7 @@ jobs:
     needs: Analyse
     strategy:
       matrix:
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: true
     steps:
     - name: Checkout tree
@@ -262,7 +278,7 @@ jobs:
     needs: [ Analyse, Build-Linux ]
     strategy:
       matrix:
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     env:
       OPAM_TEST: 1
@@ -316,7 +332,7 @@ jobs:
     needs: Analyse
     strategy:
       matrix:
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     env:
       OPAM_TEST: 1
@@ -403,7 +419,7 @@ jobs:
     strategy:
       matrix:
         solver: [ z3, 0install ]
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     env:
       SOLVER: ${{ matrix.solver }}
@@ -451,7 +467,7 @@ jobs:
     strategy:
       matrix:
         solver: [ z3, 0install ]
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     env:
       SOLVER: ${{ matrix.solver }}
@@ -499,7 +515,7 @@ jobs:
     needs: [ Analyse, Build-Linux ]
     strategy:
       matrix:
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     steps:
     - name: Install bubblewrap
@@ -532,7 +548,7 @@ jobs:
     needs: [ Analyse, Build-macOS ]
     strategy:
       matrix:
-        ocamlv: [ 4.14.1 ]
+        ocamlv: [ 4.14.2, 5.2.0 ]
       fail-fast: false
     steps:
     - name: Checkout tree

master_changes.md

@@ -74,6 +74,7 @@ users)
   * Bump the requirement for dune to 2.8 [#6204 @kit-ty-kate]
   * Bump the vendored version of dune to 3.16.0, cppo to 1.7.0 and extlib to 1.8.0 [#6223 @kit-ty-kate]
   * Fix compilation with OCaml 5.3 when using the vendored extlib by updating to the 5.3 compatible version (e.g. `make cold` or `./configure --with-vendored-deps`) [#6223 @kit-ty-kate]
+  * Fix the compilation of opam on Windows with OCaml >= 5.0 again [#6216 @kit-ty-kate]
 
 ## Infrastructure
 
@@ -117,6 +118,9 @@ users)
 ### Engine
 
 ## Github Actions
+  * Add OCaml 5.2.0 to the build matrix [#6216 @kit-ty-kate]
+  * Allow to have more than one OCaml default version to run all jobs and add 5.2 to the list of default versions together with 4.14 [#6216 @kit-ty-kate]
+  * Bump 4.14 to the latest patch version (4.14.2) [#6216 @kit-ty-kate]
 
 ## Doc
   * Update the command to install opam to point to the new simplified url on opam.ocaml.org [#6226 @kit-ty-kate]

src/core/dune

@@ -29,6 +29,10 @@
   (enabled_if (<> %{os_type} "Win32"))
   (action (copy# opamStubs.unix.ml opamStubs.ml)))
 
+(rule
+ (enabled_if (= %{os_type} "Win32"))
+ (action (copy# opamWin32Stubs.win32.ml opamWin32Stubs.ml)))
+
 (rule
  (enabled_if (and (= %{os_type} "Win32") (< %{ocaml_version} "5.0")))
  (action (copy# opamStubs.ocaml4.ml opamStubs.ml)))

src/core/opamStubs.ocaml4.ml

@@ -8,45 +8,8 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include OpamStubsTypes
+include OpamWin32Stubs
 
-external getCurrentProcessID : unit -> int32 = "OPAMW_GetCurrentProcessID"
-let getpid () = Int32.to_int (getCurrentProcessID ())
-(* Polymorphic parameters below are used as placeholders for types in
- * OpamStubsTypes - it's not worth the effort of propagating the types here,
- * even if it does result in some ugly-looking primitives!
- *)
-external getStdHandle : 'a -> 'b = "OPAMW_GetStdHandle"
-external getConsoleScreenBufferInfo : 'a -> 'b = "OPAMW_GetConsoleScreenBufferInfo"
-external setConsoleTextAttribute : 'a -> int -> unit = "OPAMW_SetConsoleTextAttribute"
-external fillConsoleOutputCharacter : 'a -> char -> int -> int * int -> bool = "OPAMW_FillConsoleOutputCharacter"
-external getConsoleMode : 'a -> int = "OPAMW_GetConsoleMode"
-external setConsoleMode : 'a -> int -> bool = "OPAMW_SetConsoleMode"
-external getWindowsVersion : unit -> int * int * int * int = "OPAMW_GetWindowsVersion"
-external getArchitecture : unit -> 'a = "OPAMW_GetArchitecture"
-external waitpids : int list -> int -> int * Unix.process_status = "OPAMW_waitpids"
-external readRegistry : 'a -> string -> string -> 'b -> 'c option = "OPAMW_ReadRegistry"
-external enumRegistry : 'a -> string -> 'b -> (string * 'c) list = "OPAMW_RegEnumValue"
-external writeRegistry : 'a -> string -> string -> 'b -> 'c -> unit = "OPAMW_WriteRegistry"
-external getConsoleOutputCP : unit -> int = "OPAMW_GetConsoleOutputCP"
-external getCurrentConsoleFontEx : 'a -> bool -> 'b = "OPAMW_GetCurrentConsoleFontEx"
-external create_glyph_checker : string -> 'a * 'a = "OPAMW_CreateGlyphChecker"
-external delete_glyph_checker : 'a * 'a -> unit = "OPAMW_DeleteGlyphChecker"
-external has_glyph : 'a * 'a -> Uchar.t -> bool = "OPAMW_HasGlyph"
-external getProcessArchitecture : int32 option -> 'a = "OPAMW_GetProcessArchitecture"
-external process_putenv : int32 -> string -> string -> bool = "OPAMW_process_putenv"
-external getPathToHome : unit -> string = "OPAMW_GetPathToHome"
-external getPathToSystem : unit -> string = "OPAMW_GetPathToSystem"
-external getPathToLocalAppData : unit -> string = "OPAMW_GetPathToLocalAppData"
-external sendMessageTimeout : nativeint -> int -> int -> 'a -> 'b -> 'c -> int * 'd = "OPAMW_SendMessageTimeout_byte" "OPAMW_SendMessageTimeout"
-external getProcessAncestry : unit -> (int32 * string) list = "OPAMW_GetProcessAncestry"
-external getConsoleAlias : string -> string -> string = "OPAMW_GetConsoleAlias"
-external getConsoleWindowClass : unit -> string option = "OPAMW_GetConsoleWindowClass"
-external setErrorMode : int -> int = "OPAMW_SetErrorMode"
-external getErrorMode : unit -> int = "OPAMW_GetErrorMode"
-external setConsoleToUTF8 : unit -> unit = "OPAMW_SetConsoleToUTF8"
-external getVersionInfo : string -> 'a option = "OPAMW_GetVersionInfo"
-external get_initial_environment : unit -> string list = "OPAMW_CreateEnvironmentBlock"
 external win_create_process : string -> string -> string option ->
                               Unix.file_descr -> Unix.file_descr -> Unix.file_descr -> int
                             = "win_create_process" "win_create_process_native"

src/core/opamStubs.ocaml5.ml

@@ -8,9 +8,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include OpamStubsTypes
 include OpamWin32Stubs
-let getpid () = Int32.to_int (getCurrentProcessID ())
 
 external win_create_process : string -> string -> string option ->
                               Unix.file_descr -> Unix.file_descr -> Unix.file_descr -> int