diff --git a/.github/workflows/msbuild.yml b/.github/workflows/msbuild.yml
index 493ff05..1fc346a 100644
--- a/.github/workflows/msbuild.yml
+++ b/.github/workflows/msbuild.yml
@@ -12,7 +12,34 @@ env:
   BUILD_CONFIGURATION: Release
 
 jobs:
-  build:
+  gcc_build:
+      runs-on: ubuntu-latest
+      
+      steps:
+      - name: Install dependencies on ubuntu
+        run: |
+          sudo apt-get update
+          sudo apt-get install ninja-build cmake
+          ninja --version
+          cmake --version
+          gcc --version
+      - name: Configure
+        shell: bash
+        run: |
+          cd gcc
+          mkdir build
+          mkdir instdir
+          cmake -B build
+      - name: Build
+        shell: bash
+        run: |
+          cd build
+          make
+      - name: Run
+        shell: bash
+        run: |
+          ./octree
+  msvc_build_and_test:
     strategy:
       matrix:
         targetplatform: [x86, x64]