build: Fix Windows build. (#582)

* build: Fix Windows build.

This commit resolves the Windows build issue by specifying the MSYS2
"system" we want to use, which is mingw64.

* Try pinning libwebp version.

* Fix windows main build.

.github/workflows/main.yml

@@ -47,12 +47,13 @@ jobs:
         uses: msys2/setup-msys2@v2
         if: matrix.os == 'windows-latest'
         with:
+          msystem: mingw64
           update: true
           install: >-
             make
+            curl
             mingw-w64-x86_64-go
             mingw-w64-x86_64-toolchain
-            mingw-w64-x86_64-libwebp
 
       - name: Checkout code
         uses: actions/checkout@v3
@@ -65,6 +66,14 @@ jobs:
         if: matrix.os == 'macos-latest'
         run: ./scripts/setup-macos.sh
 
+      - name: Install Windows dependencies
+        if: matrix.os == 'windows-latest'
+        shell: msys2 {0}
+        run: |
+          set MSYSTEM=MINGW64
+          curl -LO https://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-libwebp-1.2.4-4-any.pkg.tar.zst
+          pacman -U --noconfirm mingw-w64-x86_64-libwebp-1.2.4-4-any.pkg.tar.zst
+
       - name: Install frontend dependencies
         run: npm install
 
@@ -77,7 +86,9 @@ jobs:
 
       - name: Build Windows
         shell: msys2 {0}
-        run: make build
+        run: |
+          set MSYSTEM=MINGW64
+          make build
         if: matrix.os == 'windows-latest'
 
       - name: Test
@@ -86,7 +97,9 @@ jobs:
 
       - name: Test Windows
         shell: msys2 {0}
-        run: make test
+        run: |
+          set MSYSTEM=MINGW64
+          make test
         if: matrix.os == 'windows-latest'
 
       - name: Set pixlet version
@@ -95,9 +108,11 @@ jobs:
         if: matrix.os == 'ubuntu-22.04' || matrix.os == 'macos-latest'
 
       - name: Set Windows pixlet version
-        id: windowsvars 
+        id: windowsvars
         shell: msys2 {0}
-        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+        run: |
+          set MSYSTEM=MINGW64
+          echo ::set-output name=tag::${GITHUB_REF#refs/*/}
         if: matrix.os == 'windows-latest'
 
       - name: Build Release Linux
@@ -115,7 +130,9 @@ jobs:
       - name: Build Release Windows
         if: matrix.os == 'windows-latest'
         shell: msys2 {0}
-        run: make release-windows
+        run: |
+          set MSYSTEM=MINGW64
+          make release-windows
         env:
           PIXLET_VERSION: ${{ steps.windowsvars.outputs.tag }}
 

.github/workflows/pull-request.yml

@@ -45,12 +45,13 @@ jobs:
         uses: msys2/setup-msys2@v2
         if: matrix.os == 'windows-latest'
         with:
+          msystem: mingw64
           update: true
           install: >-
             make
+            curl
             mingw-w64-x86_64-go
             mingw-w64-x86_64-toolchain
-            mingw-w64-x86_64-libwebp
 
       - name: Checkout code
         uses: actions/checkout@v3
@@ -63,6 +64,14 @@ jobs:
         if: matrix.os == 'macos-latest'
         run: brew install webp
 
+      - name: Install Windows dependencies
+        if: matrix.os == 'windows-latest'
+        shell: msys2 {0}
+        run: |
+          set MSYSTEM=MINGW64
+          curl -LO https://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-libwebp-1.2.4-4-any.pkg.tar.zst
+          pacman -U --noconfirm mingw-w64-x86_64-libwebp-1.2.4-4-any.pkg.tar.zst
+
       - name: Install frontend dependencies
         run: npm install
 
@@ -75,7 +84,9 @@ jobs:
 
       - name: Build Windows
         shell: msys2 {0}
-        run: make build
+        run: |
+          set MSYSTEM=MINGW64
+          make build
         if: matrix.os == 'windows-latest'
 
       - name: Test
@@ -84,5 +95,7 @@ jobs:
 
       - name: Test Windows
         shell: msys2 {0}
-        run: make test
+        run: |
+          set MSYSTEM=MINGW64
+          make test
         if: matrix.os == 'windows-latest'