[klibc] [PATCH] build: Define __EXPORTED_HEADER__

[Mike Waychison]

On Sun, Feb 27, 2011 at 12:07 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Saturday 26 February 2011, Sam Ravnborg wrote:
>> >
>> > What you are proposing seems to me like a step towards giving up on
>> > this noble goal :(
>> You seem to be confusing something here. Even if klibc is one day
>> included in the kernel source then we should continue to use
>> the headers generated using "make headers_install" for building klibc.
>
> Absolutely, yes.
>
> Mike, just think of the generated header files as intermediate files
> required for building, just like the .o files that are use to build
> the library.

How is one expected to test if the files should be rebuild or not?
Forcing a headers_install as part of a build will cause the entire
userland to be rebuilt.