Error building bin with CURL?

Question

C++ / C#

Error when building a static binary with CURL, if you build a non-static one, then everything builds fine, what's wrong?
The command which compiled
g++ -std=c++20 -w *.cpp -lcurl -o test.exe -static
Compiler version

gcc.exe (Rev5, Built by MSYS2 project) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Mistake:

undefined reference to `__imp_curl_easy_init'
undefined reference to `__imp_curl_easy_setopt'
undefined reference to `__imp_curl_easy_setopt'
undefined reference to `__imp_curl_easy_setopt'
undefined reference to `__imp_curl_easy_setopt'
undefined reference to `__imp_curl_easy_setopt'
undefined reference to `__imp_curl_easy_perform'
undefined reference to `__imp_curl_easy_cleanup'
collect2.exe: error: ld returned 1 exit status