Warner Losh <[email protected]> wrote: > > > The reason I did it using a file is so that make(1) would detect a > > > change a rebuild if you change the value and do another build. > > A fair point. Of course moot if using META_MODE. > The other benefit of the header is only the files that include it will > be rebuilt when the value changes whereas (with META_MODE) everything > will be rebuilt if value is in CFLAGS. > > That can be mitigated by using per object CFLAGS, but all in all the > header is a simpler solution. > > This name never changes on practice. We shouldn't optimize for a rare > case that causes build races. Who would ever change it in the same > tree?
Also a fair point. I'm happy to do it either way - so long as we avoid circular dependencies.
