[build2] Using build2 with clang 6 (trunk) on windows

[Boris Kolpackov]

Username I Wanted Was Already Taken <usernameiwantedwasalreadytaken at gmail.com> writes:

> [...] -defaultlib:libcmt

Ok, that's the missing piece. I've fixed and staged the new version,
can you give it a try?

If it works, just for interest's sake can you try the shared runtime
build:

b config.cc.poptions=-D_DLL    ^
  config.cc.coptions=-nostdlib ^  
  config.cc.loptions=/DEFAULTLIB:msvcrt.lib

The idea taken from here:

https://stackoverflow.com/questions/41850296/link-dynamic-c-runtime-with-clang-windows


> By the way, those "locally defined symbol" warnings are referenced here:
> https://stackoverflow.com/questions/42545078/clang-version-5-and-lnk4217-warning

That looks like Clang's issue (if that option is the correct fix then
Clang should be adding it by default). You may want to submit a bug
report at bugs.llvm.org.

Thanks,
Boris