Make CI workflow to build C++ code working

.github/workflows/ccpp.yml

@@ -12,10 +12,18 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: ./C++
-    - name: make
-      run: make 
-#    - name: make check
-#      run: make check
-#    - name: make distcheck
-#      run: make distcheck
+    - name: Check out repository
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: Install build dependencies
+      run: sudo apt install -y libyaml-cpp-dev libasound2-dev libv4l-dev libudev-dev make g++
+
+    - name: Build
+      run: make
+      working-directory: Capture/C++
+
+    - name: Dry run of -h
+      run: ./VideoCapture -h
+      working-directory: Capture/C++

Capture/C++/Makefile

@@ -16,6 +16,7 @@ CFLAGS += -O0 \
           -Wno-missing-field-initializers  \
           -fPIC \
 	  -std=c++11 \
+	  -g \
 	  $(LOCAL_CFLAGS) \
 
 

Capture/C++/VideoCapture.cpp

@@ -190,7 +190,7 @@ int main(int argc, char* argv[]){
 			break;
 		case 'h':
 			cout << helpstr << endl;
-			return 55;
+			return 0;
 		}
 	}