On Tue, 21 Jun 2016, Luis R. Rodriguez wrote:
> On Tue, Jun 21, 2016 at 11:02:49PM +0200, Julia Lawall wrote:
> > On Tue, 21 Jun 2016, Luis R. Rodriguez wrote:
> > > That is sanitized as follows:
> > >
> > > # spatch only allows include directories with the syntax "-I include"
> > >
> > > # while gcc also allows "-Iinclude" and "-include include"
> > >
> > > COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
> > >
> > > COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
> >
> > I don't get the second case. Is it to replace -include by --include?
> > Coccinelle actually supports both, although it doesn't advertise that.
>
> Oh neat, yeah. So a follow up patch later can be to remove that second line?
> If so as of what version of coccinelle?
Forever. Single - has always been supported. Double - was added at some
point.
> > Also, in LINUXINCLUDE, what is the meaning of -include? For Coccinelle,
> > it is not the same as -I. It is for files that should be included that
> > are not in the set of includes seen by whatever is the specified include
> > strategy (--all-includes, etc). The argument is a specific file name, not
> > a directory. It is a way of eg not bothering with --recursive-includes
> > when there is one or a few key header files that each file will need.
>
> Its used to force to include a single file, it is a file.
OK, close enough then.
> > > So the point is to annotate that the .cocconfig is picked up first due
> > > to the fact make is used and its issued from the top level makefile
> > > and starts from the top level. The fact that --dir is used is important
> > > but secondary to its introduction as well.
> >
> > OK, the original text seemed to me to imply that running from the kernel
> > directory was essential to getting the kernels .cocciconfig,
>
> And what I meant to imply was that since coccicheck uses the kernel
> makefiles it would kick off from kernel proper.
>
> > so I wanted to point out that this is not the case.
>
> I should have elaborated with all these details, its perhaps best to be
> explicit about this so I can respin with a clearer commit log.
Thanks. People may come across this message, and it could be good for it
to be as helpful as possible.
julia
