[flang] [clang] [flang][driver] Don't use -whole-archive on Darwin (PR #75393)

[Leandro Lupori via cfe-commits]

luporl wrote:

Ok, thanks, I'll try with `-DDEFAULT_SYSROOT="$(xcrun --show-sdk-path)"`.

But it's good to know that using `-isysroot` with flang is the right solution. I'll try to come up with a patch to make flang support it, when I have some spare time.

https://github.com/llvm/llvm-project/pull/75393