Add Windows executable builds to the CI workflow.

.github/workflows/build.yaml

@@ -126,6 +126,264 @@ jobs:
           name: archives-${{ matrix.config.os }}-${{ matrix.config.arch }}
           path: new_release/*
 
+  windows-build:
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - { name: "windows", os: "windows-2022", arch: "x86_64", target: "x64" }
+        ocaml-compiler:
+          - 4.14.x
+    runs-on: ${{ matrix.config.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Fetch tags
+        run: git fetch --tags --force origin
+
+      - uses: actions/cache@v5
+        id: wincache
+        with:
+          path: |
+            ~/.opam
+            _opam
+          key: windows-${{ hashFiles('*.opam') }}
+
+      - name: Install OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v3
+        with:
+          cache-prefix: v3
+          ocaml-compiler: 4.14
+          opam-pin: false
+          opam-repositories: |
+            default: https://github.com/punchagan/opam-repository.git#f1c70a26b442142ba1c3bd040bf8621060c94912
+
+      # - name: Install something that triggers mingw-w64-shims recompilation
+      #   run: opam install conf-mingw-w64-gmp-x86_64 conf-mingw-w64-libffi-x86_64 conf-mingw-w64-openssl-x86_64 -y
+
+      - name: Install system dependencies
+        run: |
+          opam depext conf-openssl conf-zlib -y
+          # On s'assure que les paquets sont bien là pour la compilation
+          opam install conf-openssl conf-zlib -y
+
+      - name: Install dependencies
+        if: steps.wincache.outputs.cache-hit != 'true'
+        run: opam install --deps-only --with-test --with-doc -y .
+
+      - name: Install dependencies
+        if: steps.wincache.outputs.cache-hit
+        run: opam install --deps-only --with-test --depext-only --with-doc -y . && opam upgrade
+
+      - name: Build installable artifacts
+        run: opam exec -- dune build --profile release @install --ignore-promoted-rules      
+
+      - name: Install into relocatable bundle
+        run: opam exec -- dune install --relocatable --prefix ${{ github.workspace }}/bundle slipshow
+
+      - name: Debug - Verify "${{ github.workspace }}\bundle"
+        run: |
+          Write-Output "Test ${{ github.workspace }}/bundle : $(Test-Path ${{ github.workspace }}/bundle)"
+          Get-ChildItem -Path ${{ github.workspace }}/bundle
+
+      - name: Copy required DLLs into "${{ github.workspace }}\bundle\bin"
+        shell: pwsh
+        run: |
+          $bundleBin = "${{ github.workspace }}\bundle\bin"
+          $exe       = "$bundleBin\slipshow.exe"
+
+          # Retrieve Cygwin folder
+          $cygwinpath = "$env:LOCALAPPDATA\opam\.cygwin"
+          Write-host "cygwinpath = $cygwinpath"
+
+          # Searches for DLLs in the typical Cygwin locations managed by OPAM
+          $searchRoots = @(
+            "C:\cygwin64\bin",
+            "C:\msys64\usr\bin",
+            "C:\msys64\mingw64\bin"
+          ) + ($env:PATH -split ";")
+
+          # List of DLLs to copy 
+          $dlls = @(
+            "libcrypto-3.dll",
+            "libssl-3.dll",
+            "zlib1.dll"
+          )
+
+          foreach ($dll in $dlls) {
+            $found = $false
+
+            # Try to find the dll into typical Cygwin locations
+            if (Test-Path $cygwinpath) {
+              $sourceFile = Get-ChildItem $cygwinpath -Recurse -Filter $dll |
+                            Select-Object -First 1 -ExpandProperty FullName
+              if (($null -ne $sourceFile) -and (Test-Path $sourceFile)) {
+                Copy-Item $sourceFile $bundleBin -Force
+                Write-Host "Library $dll copied from $sourceFile to $bundleBin"
+                $found = $true
+              }
+            }
+
+            if (-not $found) { 
+              # Try to find the dll into the Cygwin folder
+              foreach ($root in $searchRoots) {
+                $sourceFile = Join-Path $root $dll
+                if (Test-Path $sourceFile) {
+                  Copy-Item $sourceFile $bundleBin -Force
+                  Write-Host "Library $dll copied from $sourceFile to $bundleBin"
+                  $found = $true
+                  break
+                }
+              }
+            }
+
+            if (-not $found) { 
+              Write-Warning "Could not find library $dll" 
+            }
+          }
+
+      # - name: Prepare release directory
+      #   run: |
+      #     New-Item -ItemType Directory -Force -Path new_release
+
+      # - name: Create ZIP archive slipshow-${{ matrix.config.name }}-${{ matrix.config.target }}.zip
+      #   run: Compress-Archive -Path ${{ github.workspace }}/bundle/* -DestinationPath new_release/slipshow-${{ matrix.config.name }}-${{ matrix.config.target }}.zip
+
+      # - name: Upload archives
+      #   uses: actions/upload-artifact@v4
+      #   with:
+      #     name: archives-windows-${{ matrix.config.arch }}
+      #     path: new_release/*.zip
+
+      - name: Install WiX 6 (required by OUI for Windows MSI)
+        shell: pwsh
+        run: |
+          dotnet tool install --global wix --version 6.0.2
+
+          # Ajouter le dossier des outils .NET globaux au PATH
+          $dotnetToolsPath = "$env:USERPROFILE\.dotnet\tools"
+          echo "$dotnetToolsPath" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          Write-Host "WiX installed, tools path: $dotnetToolsPath"
+
+      # - name: Install OUI via opam
+      #   run: opam install oui -y
+      # - name: Install OUI via opam (depuis les sources)
+      #   run: opam pin add oui https://github.com/OCamlPro/ocaml-universal-installer.git#master --no-action -y && opam install oui -y
+
+      # - name: Write oui.json
+      #   shell: pwsh
+      #   run: |
+      #     # Récupérer la version depuis le tag git (ex: v1.2.3 → 1.2.3) + WiX exige major.minor.patch strictement numériques ; fallback sur 0.0.1
+      #     $version = (git describe --tags --abbrev=0 2>$null) -replace '^v', ''
+      #     if (($version -eq $null) -ot ($version -notmatch '^\d+\.\d+\.\d+$')) { $version = "0.0.1" }
+      #     Write-host "version = $version"
+
+      #     $config = @{
+      #       name             = "slipshow"
+      #       fullname         = "Slipshow"
+      #       version          = $version
+      #       unique_id        = "com.slipshow.slipshow"
+      #       wix_manufacturer = "Paul-Elliot"
+      #       wix_description  = "Slipshow is an engine to write slips, a concept evolved from slides."
+      #       exec_files       = @("bin/slipshow.exe")
+      #     }
+      #     $config | ConvertTo-Json -Depth 5 | Set-Content oui.json -Encoding UTF8
+      #     Write-Host "oui.json generated:"
+      #     Get-Content oui.json
+
+      # - name: Lint oui.json
+      #   run: opam exec -- oui lint oui.json ${{ github.workspace }}/bundle
+
+      # - name: Generate MSI installer with OUI
+      #   run: |
+      #     New-Item -ItemType Directory -Force -Path new_release
+      #     opam exec -- oui build oui.json ${{ github.workspace }}/bundle --output-dir ${{ github.workspace }}/new_release
+      #   shell: pwsh
+
+      # - name: Debug - Verify "${{ github.workspace }}/new_release"
+      #   run: |
+      #     Write-Output "Test ${{ github.workspace }}/new_release : $(Test-Path ${{ github.workspace }}/new_release)"
+      #     Get-ChildItem -Path ${{ github.workspace }}/new_release
+
+      - name: Prepare release directory
+        shell: pwsh
+        run: New-Item -ItemType Directory -Force -Path new_release
+
+      - name: Get version from git tag
+        continue-on-error: true
+        id: version
+        shell: pwsh
+        run: |
+          # $version = (git describe --tags --abbrev=0 2>$null) -replace '^v', ''
+          # if ($version -notmatch '^\d+\.\d+\.\d+$') { $version = "0.0.1" }
+          $version = "0.0.1"
+          echo "VERSION=$version" | Out-File -FilePath $env:GITHUB_OUTPUT -Encoding utf8 -Append
+          Write-Host "Version: $version"
+
+      - name: Write WiX source file (slipshow.wxs)
+        shell: pwsh
+        run: |
+          $version = "${{ steps.version.outputs.VERSION }}"
+          $bundle  = "${{ github.workspace }}\bundle"
+
+          # Générer la liste des fichiers du bundle
+          $files = Get-ChildItem -Path "$bundle\bin" -File
+          $fileEntries = ($files | ForEach-Object {
+            $id = $_.Name -replace '[^a-zA-Z0-9]', '_'
+            "        <File Id=""$id"" Source=""$bundle\bin\$($_.Name)"" />"
+          }) -join "`n"
+
+          $wxs = @"
+          <?xml version="1.0" encoding="UTF-8"?>
+          <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+            <Package
+              Name="Slipshow"
+              Version="$version"
+              Manufacturer="Paul-Elliot"
+              UpgradeCode="ab3dec57-e72b-4fe1-bfae-62dcc4a5d554"
+              Scope="perUser">
+
+              <MajorUpgrade DowngradeErrorMessage="A newer version is already installed." />
+
+              <Feature Id="Main" Title="Slipshow" Level="1">
+                <ComponentGroupRef Id="MainComponents" />
+              </Feature>
+
+              <StandardDirectory Id="LocalAppDataFolder">
+                <Directory Id="INSTALLFOLDER" Name="Slipshow">
+                  <ComponentGroup Id="MainComponents">
+                    <Component Id="MainBinaries" Guid="*">
+          $fileEntries
+                    </Component>
+                  </ComponentGroup>
+                </Directory>
+              </StandardDirectory>
+
+            </Package>
+          </Wix>
+          "@
+
+          $wxs | Set-Content slipshow.wxs -Encoding UTF8
+          Write-Host "slipshow.wxs generated"
+          Get-Content slipshow.wxs
+
+      - name: Build MSI with WiX
+        shell: pwsh
+        run: |
+          $version = "${{ steps.version.outputs.VERSION }}"
+          wix build slipshow.wxs -o "new_release\slipshow-windows-x64-${version}.msi"
+          Write-Host "MSI generated:"
+          Get-ChildItem new_release
+
+      - name: Upload installer
+        uses: actions/upload-artifact@v4
+        with:
+          name: archives-windows-${{ matrix.config.arch }}
+          path: new_release/*.msi
+
   release:
     if: startsWith(github.ref, 'refs/tags/')
     needs: [linux-build, mac-build]

dune-project

@@ -32,7 +32,6 @@
    bos
    lwt
    (inotify (= :os "linux"))
-   (cf-lwt (>="0.4"))
    astring
    fmt
    logs

slipshow.opam

@@ -21,7 +21,6 @@ depends: [
   "bos"
   "lwt"
   "inotify" {os = "linux"}
-  "cf-lwt" {>= "0.4"}
   "astring"
   "fmt"
   "logs"