vscodeでc++でcurlのソースがコンパイルエラー

windows10(64bit)でvscodeのc++で下記のソースをコンパイルすると下記のエラーが発生します。
どのように修正したらよいでしょうか？
なお、curlは"C:\Program Files (x86)\curl-7.75.0-win64-mingw"に配置してます。

Executing task in folder vscode_cpp_sample: C:\Program Files (x86)\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\bin\g++.exe -g -IC:/Program Files (x86)/curl-7.75.0-win64-mingw/include -DCURL_STATICLIB -LC:/Program Files (x86)/curl-7.75.0-win64-mingw/lib -lcurl.dll -oa.exe main.cpp <
C:\Users\N-MASH~1\AppData\Local\Temp\ccFzYcEX.o: In function main': C:\source\repos\vscode_cpp_sample/main.cpp:42: undefined reference to curl_easy_init'
C:\source\repos\vscode_cpp_sample/main.cpp:44: undefined reference to curl_easy_setopt' C:\source\repos\vscode_cpp_sample/main.cpp:45: undefined reference to curl_easy_setopt'
C:\source\repos\vscode_cpp_sample/main.cpp:48: undefined reference to curl_slist_append' C:\source\repos\vscode_cpp_sample/main.cpp:49: undefined reference to curl_easy_setopt'
C:\source\repos\vscode_cpp_sample/main.cpp:51: undefined reference to `curl_easy_perform'
collect2.exe: error: ld returned 1 exit status
ターミナルプロセス "C:\Program Files (x86)\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\bin\g++.exe '-g', '-IC:/Program Files (x86)/curl-7.75.0-win64-mingw/include', '-DCURL_STATICLIB', '-LC:/Program Files (x86)/curl-7.75.0-win64-mingw/lib', '-lcurl.dll', '-oa.exe', 'main.cpp'" が終了コード 1 で終了しました。

html
1c_cpp_properties.json
2
3{
4    "configurations": [
5        {
6            "name": "Win32",
7            "includePath": [
8                "${workspaceFolder}/**",
9                "C:\Program Files (x86)\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\include",
10                "C:\Program Files (x86)\curl-7.75.0-win64-mingw\include"
11            ],
12            "defines": [
13                "_DEBUG",
14                "UNICODE",
15                "_UNICODE"
16            ],
17            "compilerPath": "C:\Program Files (x86)\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\bin\g++.exe",
18            "cStandard": "c11",
19            "cppStandard": "c++17",
20            "intelliSenseMode": "clang-x64"
21        }
22    ],
23    "version": 4
24}

html
1tasks.json
2
3{
4    // See https://go.microsoft.com/fwlink/?LinkId=733558
5    // for the documentation about the tasks.json format
6    "version": "2.0.0",
7    "tasks": [
8        {
9            "label": "echo",
10            "type": "process",
11            "command": "g++",
12            "args": [
13                "-g",
14                "main.cpp",
15                "-oa.exe",
16                "-DCURL_STATICLIB",
17                "-IC:/Program Files (x86)/curl-7.75.0-win64-mingw/include",
18                "-LC:/Program Files (x86)/curl-7.75.0-win64-mingw/lib",
19                "-lcurl"
20            ],
21            "group": {
22                "kind": "build",
23                "isDefault": true
24            }
25        }
26    ]
27}

html
1main.cpp
2
3#include <iostream>
4#include <winsock2.h>
5#include <windows.h>
6#include <curl\curl.h>
7#include <curl\easy.h>
8
9int main(int argc, char **argv)
10{
11    CURL *hnd = curl_easy_init();
12
13    curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "GET");
14    curl_easy_setopt(hnd, CURLOPT_URL, "https://www.yahoo.co.jp/");
15
16    struct curl_slist *headers = NULL;
17    headers = curl_slist_append(headers, "user-agent: vscode-restclient");
18    curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, headers);
19
20    CURLcode ret = curl_easy_perform(hnd);
21
22    return 0;
23}