Currently on Windows, for cgo, we support MinGW-based C toolchain,
that is, with a -windows-gnu target. This CL makes it work with
clang with a -windows-msvc target. The LLVM toolchain bundled in
MSVC (https://learn.microsoft.com/en-us/cpp/build/clang-support-msbuild)
is such an example.
Currently it is expecting lld-link as the C linker, which is also
bundled in MSVC, can be requested with -fuse-ld=lld, but is not
the default.
This is the first step, which makes it generate a working cgo
binary. There are still more work to do, e.g. there are some
linker warnings, and the binary doesn't have symbol table.
all.bat doesn't pass with this setting.
Change-Id: I54d33f7dd5f5eeeafa0735cd52f4127fe4865636
Reviewed-on: https://go-review.googlesource.com/c/go/+/703055 Reviewed-by: Than McIntosh <thanm@golang.org> Reviewed-by: Florian Zenker <floriank@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>