Hans,
Are you sure you're seeing the patch system use $WORKDIR instead of $S as
the root for patching? I've had to do a lot of patching in our own layers
recently and I've always seen $S used as the root for the patch. Are you
explicitly setting S = "${WORKDIR}/git"? That's what we do for our git
recipes. That's how you get the system to recognize the source somewhere
other than just $WORKDIR.
As for specifying a different -pnum, you absolutely can do that like so:
*SRC_URI += "file://my-change.patch;striplevel=X"*
X is the pnum that you want. Its default value is 1.
You may also find this page useful -- it contains all sorts of hints for
setting up your recipes in a Yocto-standard way:
https://wiki.yoctoproject.org/wiki/Recipe_&_Patch_Style_Guide
That's where I learned about striplevel and the preference for it over the
deprecated pnum parameter.
Kind regards,
Jerrod
On Thu, Mar 7, 2013 at 7:33 AM, Hans Beckérus <hans.becke...@gmail.com>wrote:
> On Thu, Mar 7, 2013 at 1:12 PM, Hans Beckérus <hans.becke...@gmail.com>
> wrote:
> > Hi. More problems ;)
> > I have a patch file that needs to be applied to a source tree and the
> > patch file is copied properly to the ${WORKDIR} directory.
> > So far so good. But, the problem with this source tree is that it is
> > not built from the traditional root folder of the repo.
> > This means I need to change ${S} to point somewhere else. This also
> > causes the patch system to fail!
> > I did an override of do_patch() in my .bb and that seems to work, but
> > I do not like to use overrides unless I really have to.
> > So basically, is there some way to tell the built-in patch system to
> > use a different -pnum value?
> > If there is, I could stick with the do_patch() as provided by default.
> >
> > Hans
>
> Hmm, ok a correction from my side. Forget parts of what I said ;)
> The patch system does not seem to use the value of ${S}, it is using
> ${WORKDIR} as the root for patching, this is also where the patch file
> is placed. The problem in my case does not seem to be that is built
> from a non-standard path. The reason why it fails seems to be because
> the actual source is not in ${WORKDIR}, it is in ${WORKDIR}/git. The
> patch file does include git as part of the source path for obvious
> reasons. What am I doing wrong? Having actual source code in
> ${WORKDIR}/git I assume is very common for git based downloads.
>
> Hans
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