added g++ compiler to actions

.github/workflows/gromacs_build.yml

@@ -1,19 +1,34 @@
-name: gromacs-build-mo833
-on: [push]
+name: CMake
+
+on:
+  push:
+    branches: [ master ]
+
 jobs:
-  build-gromacs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
+    # You can convert this to a matrix build if you need cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: ubuntu-latest
+
     steps:
-    #checks out
     - uses: actions/checkout@v3
-    - name: setup        
-    #update and isntal wget and git
-      run: sudo apt update && sudo apt-get -y install wget git build-essential libssl-dev cmake
-
-    #cmake
-    - name: cmake      
-      run: mkdir build && cd build && cmake .. -DGMX_BUILD_OWN_FFTW=ON -DREGRESSIONTEST_DOWNLOAD=ON
-    #make
+
+    - name: update
+      run: sudo apt-get update
+
+    - name: install g++
+      run: sudo apt-get install g++ -y
+
+    # - name: Configure CMake
+    #   # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+    #   # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+    #   run: cmake -DCMAKE_BUILD_TYPE=RELEASE
+
+    - name: Build
+      run: mkdir build && cd build && cmake .. -DGMX_BUILD_OWN_FFTW=ON -DREGRESSIONTEST_DOWNLOAD=ON -DCMAKE_CXX_COMPILER=g++
+
     - name: make
       working-directory: build/
-      run: make && make check ; source /usr/local/gromacs/bin/GMXRC                    
+      #go to build folder and runs make
+      run: make