[CI] Use native cmake build commands

.github/workflows/build.yml

@@ -57,30 +57,20 @@ jobs:
           iverilog -V 
           vvp -V 
 
-      - name: Create CMake build environment
+      - name: Build
-        # Some projects don't allow in-source building, so create a separate build directory
-        # We'll use this as our working directory for all subsequent commands
-        run: cmake -E make_directory ${{runner.workspace}}/OpenFPGA/build
-      
-      - name: Configure CMake
         # Use a bash shell so we can use the same syntax for environment variable
         # access regardless of the host operating system
         shell: bash
-        working-directory: ${{runner.workspace}}/OpenFPGA/build
         # Note the current convention is to use the -S and -B options here to specify source 
         # and build directories, but this is only available with CMake 3.13 and higher.  
         # The CMake binaries on the Github Actions machines are (as of this writing) 3.12
         run: |
           export CC=${{ matrix.config.cc }}
           export CXX=${{ matrix.config.cxx }}
-          cmake .${{runner.workspace}}/OpenFPGA -DCMAKE_BUILD_TYPE=$BUILD_TYPE
+          cd ./OpenFPGA
-
+          mkdir build
-      - name: Build
+          cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE
-        working-directory: ${{runner.workspace}}/OpenFPGA/build
+          make -j2
-        shell: bash
-        # Execute the build.  You can specify a specific target with "--target <NAME>"
-        run: |
-          cmake --build . --config $BUILD_TYPE 
 
       - name: ${{matrix.config.name}}
         if: contains(matrix.config.name, 'Quick Test')