* Do not enable Win32 threads and locks when using GCC
* Fix compiler check when CC has arguments appended
* Add NSConstantString literal as global variable to avoid linker error
* Make libcurl a hard-dependency on ObjC 2.0 Toolchain
* Bump TOOLS_WINDOWS_MSVC_RELEASE_TAG
* Remove x86 runner for MSVC toolchain
* Add libcurl to MinGW x64 Clang toolchain
* MSVC toolchain requires Windows 1903 and newer but windows-2019 runner is Redstone 5 (1809)
* MinGW GCC adds .exe suffix
* Some tests timeout after 30s. Increase timeout
* Mark late unregister as hopeful on Win32 with GCC
* Mark NSURL test depending on network connection as hopeful