Vendors mimalloc sources and adds --enable-mimalloc as a mutually exclusive alternative to jemalloc, wiring it through mozalloc/mozglue and build config.
Need to have system definitions before defining the overrides.
The sytem definitions have additional attributes that conflict.
clang 14 that I am using also requires -fno-integrated-as for
several files, but I left that out since it is probably fixed
in newer versions of clang.
Vim control lines were re-introduced or not entirely cleaned up.
This nukes them again.
Removing from embedding, extensions, gfx, hal, ipc, layout, mailnews,
media and memory. More to come.
Basilisk-Dev
Brian Smith
Moonchild
Matt A. Tobin