diff --git a/.github/workflows/build-ezquake.yml b/.github/workflows/build-ezquake.yml
deleted file mode 100644
index 21c0d31..0000000
--- a/.github/workflows/build-ezquake.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-name: build ezquake
-#on: [pull_request]
-on: [push, pull_request]
-jobs:
-  windows-build:
-#    if: github.repository == 'QW-Group/qwprot'
-    runs-on: windows-latest
-    strategy:
-      fail-fast: false
-      matrix:
-       target: [windows-glsl-x64, windows-std-x64, windows-multi-x64]
-       include:
-         - target: windows-glsl-x64
-           config: rls-modern
-           platform: x64
-         - target: windows-std-x64
-           config: rls-classic
-           platform: x64
-         - target: windows-multi-x64
-           config: rls-all
-           platform: x64
-    steps:
-    - name: Checkout qwprot
-      uses: actions/checkout@v3
-    - name: Checkout ezquake
-      uses: actions/checkout@master
-      with:
-        repository: QW-Group/ezquake-source
-        path: ezquake
-        submodules: recursive
-    - name: Update qwprot in ezquake
-      run: |
-           cp src/* ./ezquake/src/qwprot/src
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.1
-    - name: Build txt2c
-      run: msbuild ezquake\misc\vstudio\txt2c\txt2c.vcxproj -t:rebuild -property:Configuration=Release
-    - name: Make dir
-      run: mkdir ezquake\.vs
-    - name: Copy txt2c
-      run: cp ezquake\misc\vstudio\txt2c\.vs\txt2c.exe ezquake\.vs\
-    - name: Build ezquake
-      run: |
-           cd ezquake
-           msbuild ezQuake.vcxproj -t:rebuild -property:Configuration=${{ matrix.config }} -property:Platform=${{ matrix.platform }}
diff --git a/.github/workflows/build-mvdsv.yml b/.github/workflows/build-mvdsv.yml
deleted file mode 100644
index 73e883c..0000000
--- a/.github/workflows/build-mvdsv.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-name: build mvdsv
-#on: [pull_request]
-on: [push, pull_request]
-jobs:
-  build:
-#    if: github.repository == 'QW-Group/qwprot'
-    runs-on: ubuntu-18.04
-    strategy:
-      fail-fast: false
-      matrix:
-       target: [linux-amd64, linux-i686, linux-armhf, linux-aarch64]
-       include:
-         - target: linux-amd64
-           os: linux
-           arch: amd64
-           ext: ".so"
-         - target: linux-i686
-           os: linux
-           arch: i686
-           ext: ".so"
-         - target: linux-armhf
-           os: linux
-           arch: armhf
-           ext: ".so"
-         - target: linux-aarch64
-           os: linux
-           arch: aarch64
-           ext: ".so"
-    steps:
-      - name: Checkout qwprot
-        uses: actions/checkout@v3
-      - name: Checkout mvdsv
-        uses: actions/checkout@master
-        with:
-          repository: QW-Group/mvdsv
-          path: ./mvdsv
-          submodules: recursive
-      - name: Update qwprot in mvdsv
-        run: |
-             cp src/* ./mvdsv/src/qwprot/src
-      - name: Prepare Build Environment
-        run: |
-             sudo apt-get update
-             sudo apt-get -y install build-essential cmake gcc-i686-linux-gnu
-             sudo apt-get -y install gcc-arm-linux-gnueabihf pkg-config-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
-             sudo apt-get -y install gcc-mingw-w64-x86-64 gcc-mingw-w64-i686
-      - name: Build mvdsv
-        run: |
-             cd mvdsv
-             ./build_cmake.sh ${{ matrix.target }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..9956c77
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,55 @@
+name: compile check
+
+on: [push, pull_request]
+
+jobs:
+  ezquake:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+    - name: Checkout qwprot
+      uses: actions/checkout@v4
+    - name: Checkout ezquake
+      uses: actions/checkout@v4
+      with:
+        repository: QW-Group/ezquake-source
+        path: ezquake
+        submodules: recursive
+    - name: Update qwprot in ezquake
+      run: |
+        cp src/* ezquake/src/qwprot/src
+        shasum ezquake/src/qwprot/src/protocol.h > checksum
+    - name: Install dependencies
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install -qq --no-install-recommends cmake ninja-build libsdl2-dev libjansson-dev libexpat1-dev libcurl4-openssl-dev libpng-dev libjpeg-dev libspeex-dev libspeexdsp-dev libfreetype6-dev libsndfile1-dev libpcre2-dev libminizip-dev
+    - name: Run CMake
+      uses: lukka/run-cmake@v10
+      with:
+        cmakeListsTxtPath: '${{ github.workspace }}/ezquake/CMakeLists.txt'
+        configurePreset: dynamic
+        buildPreset: dynamic-debug
+    - name: Verify that build didn't change protocol.h
+      run: shasum -c checksum
+
+  mvdsv:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+    - name: Checkout qwprot
+      uses: actions/checkout@v4
+    - name: Checkout mvdsv
+      uses: actions/checkout@v4
+      with:
+        repository: QW-Group/mvdsv
+        path: mvdsv
+        submodules: recursive
+    - name: Update qwprot in mvdsv
+      run: |
+        cp src/* mvdsv/src/qwprot/src
+        shasum mvdsv/src/qwprot/src/protocol.h > checksum
+    - name: Build mvdsv
+      run: ./build_cmake.sh linux-amd64
+      working-directory: mvdsv
+    - name: Verify that build didn't change protocol.h
+      run: shasum -c checksum