On 2013-03-07 8:11, Jerrod Peach wrote:
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
Hi Jarod. Thanks, the pointer you gave will most certainly be of great
aid. I will try the striplevel approach
instead of writing my own do_patch() override.
Regarding how certain I am that the root folder is ${WORKDIR} when
patching, not at all ;)
In my do_patch() function is simply did `pwd` and it was not set to ${S}
as I set it to.
That does not mean that the built-in patch system is using ${WORKDIR}, I
am aware of that.
Things here is, even though my patch is placed in ${W} and I set ${S} to
eg. ${W}/git/some/folder,
why would it not work? In another package I set ${S} to ${WORKDIR}/git
and it works
just fine. I can not understand why setting ${S} to something else
breaks the logic?
It's not that bitbake can not find the patch file, it definitely does
that, but the -pnum seems to get
messed up. But maybe that is the whole point of having the striplevel=X
in the first place.
Hans
On Thu, Mar 7, 2013 at 7:33 AM, Hans Beckérus <hans.becke...@gmail.com
<mailto:hans.becke...@gmail.com>> wrote:
On Thu, Mar 7, 2013 at 1:12 PM, Hans Beckérus
<hans.becke...@gmail.com <mailto: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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