Looking back in the thread, I found the example code, and I see that MSVC
refuses to inline this helper, but clang will inline it. I believe clang is
permitted to inline it, MSVC will export the static data member
(_the_keyboard), so everything should work as long as you provide a
definition of _th
-Xclang escapes through to the -cc1 command line, which you can see by
adding -### to see what subcommands clang or clang-cl are running. It looks
like -MD and -MF map to '-dependency-file foo.dep' at the -cc1 level, so
'clang-cl -Xclang -dependency-file -Xclang foo.dep' should write makefile
depen
