仅linux使用gcc11

Author: CppCXY

.github/workflows/build.yml

@@ -26,7 +26,8 @@ jobs:
       if: startsWith(matrix.os, 'ubuntu')
       run: |
         sudo apt-get install -y gcc-11 g++-11
-
+        echo "CC=gcc-11" >> $GITHUB_ENV
+        echo "CXX=g++-11" >> $GITHUB_ENV
     - name: Build
       run: | 
             mkdir build
@@ -35,9 +36,6 @@ jobs:
             cmake --build . --config Release
             ctest -V -C Release
             cmake --install . --config Release --prefix ${{ github.workspace }}/artifact/
-      env:
-        CC: gcc-11
-        CXX: g++-11
     - name: Upload
       uses: actions/upload-artifact@v2
       with: