launch.json:
{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Fdebugger Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/myapp",
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "preLaunchTask": "build",
            "miDebuggerPath": "C:\\msys64\\mingw64\\bin\\gdb.exe",
            "setupCommands": [
                {
                    "text": "-enable-pretty-printing",
                    "description": "Enable GDB pretty printing",
                    "ignoreFailures": true
                },
                {
                    "description": "Set Disassembly Flavor to Intel",
                    "text": "-gdb-set disassembly-flavor intel",
                    "ignoreFailures": true
                }
            ]
        },
    ]
}
tasks.json:
{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "build",
            "type": "shell",
            "command": "make -f Makefile",
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "presentation": {
                "reveal": "silent",
                "panel": "shared"
            },
            "problemMatcher": []
        }
    ]
}
Makefile:
########################################################################
####################### Makefile Template ##############################
########################################################################

# Compiler settings - Can be customized.
CC = gfortran
CPP = gfortran -cpp
CXXFLAGS = -g -O0 -Wall -Wextra -fopenmp  
LDFLAGS = 

# Makefile settings - Can be customized.
APPNAME = myapp
EXT = .f90
SRCDIR = src
OBJDIR = obj

############## Do not change anything from here downwards! #############

NA