Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> writes: > Hi David, > > On Wed, 19 Sep 2018 07:01:00 +0100 David Howells <dhowells@xxxxxxxxxx> wrote: >> >> Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: >> >> > > I think the problem is that I haven't allocated system call numbers for >> > > any arches other than x86 - even the x86 syscall numbers are provisional >> > > until the patchset is taken upstream. I'm not sure of the best way to >> > > deal with this - make the samples dependent on the X86 arch? >> > >> > But the sample programs are built with HOSTCC, so you can't depend on >> > ARCH (since I, for one, am cross compiling). Maybe SUBARCH. Better >> > would be to use either Kconfig's shell primitive or some make magic to >> > figure out if the syscall number define's are defined. >> >> I meant put the dependency in the Kconfig. > > Yeah, sure. Kconfig now has the ability for that dependency to be the > result of an external program "$(shell ....)", so you could have a > script or program that checked to see if the syscall numbers are > defined and then have the Kconfig symbol(s) for the tests depend on that. I realise these are in samples rather than selftests, but what most of the selftests do is just #define the syscall number if it's not defined, so that you're not dependent on getting the headers. cheers