Compile in Debug mode

Author: certik

.github/workflows/ci_windows.yml

@@ -14,7 +14,8 @@ jobs:
     steps:
     - uses: actions/checkout@v1
 
-    - run: cmake -G "MinGW Makefiles" -DCMAKE_SH="CMAKE_SH-NOTFOUND" -Wdev -B build
+    - run: cmake -G "MinGW Makefiles" -DCMAKE_SH="CMAKE_SH-NOTFOUND" -Wdev -B build -DCMAKE_BUILD_TYPE=Debug -DCMAKE_Fortran_FLAGS_DEBUG="-Wall -Wextra -Wimplicit-interface -fPIC -g -fcheck=all -fbacktrace"
+
       env:
         FC: gfortran
         CC: gcc