[bitbake-devel] [yocto] No Package Provides /bin/awk
Wayne Li
waynli329 at gmail.com
Thu Nov 14 18:10:32 UTC 2019
Just for the record, I was able to solve the problem by going to all the
files in the kernel-devsrc/1.0-r0 (the same directory corresponding to what
was described in the error) and changing the "#!/bin/awk" line to
"!#usr/bin/awk".
On Wed, Nov 13, 2019 at 1:43 PM Wayne Li <waynli329 at gmail.com> wrote:
> Sorry I am fairly new to bitbake. How do I apply a patch? Why do I have
> to apply a patch as opposed to just editing corresponding files (I know
> that is probably a dumb question but again I am very new to bitbake)? Khem
> Raj did mention a patch to fix the problem:
>
>
> https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/commit/?id=8af11c1cdd8fa08217e702b57cf96e9030db52b2
>
> Would I be able to somehow take the patch from that website and apply it
> to my project? Though I'd like to mention again it seems like that patch
> is trying to change "#!/bin/awk -f" to "#!/usr/bin/awk -f" in the
> ver_linux file. But the ver_linux files in my project look very different
> from the ver_linux file in the patch (see example of my ver_linux file:
> https://gist.github.com/WayneZhenLi/c7475cf382a80bfd2de31e82c40c1677) and
> has "#!/bin/sh" for its #! line instead. In that case, would the patch
> Khem Raj mentioned even work for my project? Again I'm new to bitbake so I
> apologize for my questions being naive.
>
> On Wed, Nov 13, 2019 at 12:31 PM Mark Hatle <
> mark.hatle at kernel.crashing.org> wrote:
>
>> Bitbake inspects the binaries and looks at the #! line. You need to
>> change the
>> line itself (via a patch) to /usr/bin/awk, and then it will pick up the
>> dependency automatically on a rebuild.
>>
>> --Mark
>>
>> On 11/13/19 12:14 PM, Wayne Li wrote:
>> > On further inspection of the older image my coworker made, it looks
>> like awk is
>> > located at "/usr/bin/awk". I see this by just doing a "which awk" in
>> the
>> > console of the T4240 RDB when the old image is loaded. So it looks
>> like the
>> > most likely case is that Khem Raj is correct and that bitbake is
>> expecting awk
>> > to be in "/bin" when awk is actually in "/usr/bin". In that case, I
>> need to
>> > know where the line telling bitbake to look for awk in the "/bin"
>> directory is.
>> >
>> > On Wed, Nov 13, 2019 at 12:02 PM Wayne Li <waynli329 at gmail.com
>> > <mailto:waynli329 at gmail.com>> wrote:
>> >
>> > I'd like also like to mention that my main concern with the
>> ver_linux files
>> > that I found in my project was that the shebang line was "
>> #!/bin/sh"
>> > instead of "#!/bin/awk -f" which is the shebang line in the
>> ver_linux file
>> > in the patch. The patch wants to change the shebang line from
>> "#!/bin/awk
>> > -f" to "#!/usr/bin/awk -f" so I'm not sure how that change would
>> translate
>> > when I'm working with the shebang line "#!/bin/sh". Or perhaps
>> Yocto has
>> > changed since that patch was posted and maybe the place /bin/awk is
>> > specified is different?
>> >
>> > On Wed, Nov 13, 2019 at 11:51 AM Wayne Li <waynli329 at gmail.com
>> > <mailto:waynli329 at gmail.com>> wrote:
>> >
>> > So after further investigation, I'm fairly sure awk is actually
>> present
>> > in the target image. Here are my reasons why I feel that this
>> is the case:
>> >
>> > -I looked at the busybox menuconfig GUI that comes up when I run
>> > "bitbake -c menuconfig busybox" and it says awk is built-in.
>> > -I looked at various def-config files I found by just doing a
>> "grep -rn
>> > "CONFIG_AWK"" and found that CONFIG_AWK seems to have been
>> enabled
>> > throughout the project (there was the line CONFIG_AWK=y
>> uncommented in
>> > the various def-config files I mentioned).
>> > -I have an older version of the target image that my coworker
>> (who has
>> > since left the company) created. I just need to rebuild this
>> image
>> > because I am trying to add some kernel modules to the image.
>> When I run
>> > the command "awk" in the console for the T4240 RDB when the
>> older
>> > version of the image is loaded, I do see the gawk help info
>> come up.
>> > This shows awk is present in the older image.
>> >
>> > But looking at what Khem Raj mentioned, perhaps bitbake is just
>> not
>> > finding the awk because it's actually in /usr/bin when bitbake
>> expects
>> > it to be in /bin? Though I am a little confused about the link
>> you
>> > sent, Khem Raj. How do exactly do I apply this patch? I'm
>> assuming we
>> > have to change the file ver_linux? I did a "find . -name
>> "ver_linux""
>> > and I see multiple results:
>> >
>> > bash-4.2$ find . -name "ver_linux"
>> >
>> ./build_t4240rdb-64b/tmp/work/ppc64e6500-fsl-linux/linux-libc-headers/4.1-r0/linux-4.1/scripts/ver_linux
>> >
>> ./build_t4240rdb-64b/tmp/work/ppce6500-fslmllib32-linux/lib32-linux-libc-headers/4.1-r0/linux-4.1/scripts/ver_linux
>> >
>> ./build_t4240rdb-64b/tmp/work/t4240rdb_64b-fsl-linux/kernel-devsrc/1.0-r0/package/usr/src/kernel/scripts/ver_linux
>> >
>> ./build_t4240rdb-64b/tmp/work/t4240rdb_64b-fsl-linux/kernel-devsrc/1.0-r0/image/usr/src/kernel/scripts/ver_linux
>> >
>> ./build_t4240rdb-64b/tmp/work/t4240rdb_64b-fsl-linux/kernel-devsrc/1.0-r0/packages-split/kernel-devsrc/usr/src/kernel/scripts/ver_linux
>> >
>> ./build_t4240rdb-64b/tmp/work-shared/t4240rdb-64b/kernel-source/scripts/ver_linux
>> >
>> ./build_t4240rdb/tmp/work/ppc64e6500-fslmllib64-linux/lib64-linux-libc-headers/4.1-r0/linux-4.1/scripts/ver_linux
>> >
>> ./build_t4240rdb/tmp/work/ppce6500-fsl-linux/linux-libc-headers/4.1-r0/linux-4.1/scripts/ver_linux
>> >
>> ./build_t4240rdb/tmp/work-shared/t4240rdb/kernel-source/scripts/ver_linux
>> >
>> > Now the build I'm working on is build_t4240rdb-64b so the last
>> three
>> > results in that search probably don't matter. Though there are
>> still
>> > six more results for when I search ver_linux. So I'm not sure
>> which one
>> > I need to change. Moreover, all of the ver_linux files I found
>> more or
>> > less look like the following:
>> >
>> >
>> https://gist.github.com/WayneZhenLi/c7475cf382a80bfd2de31e82c40c1677
>> >
>> > Which seems to be very different from the ver_linux file
>> mentioned in
>> > the patch. This further confuses me on how to apply the patch.
>> >
>> > Or maybe do you guys think maybe the patch isn't the solution
>> here?
>> > Maybe there's some other reason bitbake isn't finding the awk?
>> >
>> > -Thanks!, Wayne Li
>> >
>> > On Wed, Nov 13, 2019 at 10:57 AM Khem Raj <raj.khem at gmail.com
>> > <mailto:raj.khem at gmail.com>> wrote:
>> >
>> > On Wed, 2019-11-13 at 10:33 +0200, Adrian Bunk wrote:
>> > > On Tue, Nov 12, 2019 at 04:08:48PM -0600, Wayne Li wrote:
>> > > > Dear Yocto Developers,
>> > > >
>> > > > I'm trying to to build a Yocto kernel for a T4240 RDB.
>> When I run
>> > > > "bitbake
>> > > > fsl-image-full" to build the entire linux image, I get
>> an error
>> > > > that says
>> > > > "Can't install kernel-devsrc-1.0-r0 at t4240rdb_64b: no
>> package
>> > > > provides
>> > > > /bin/awk". Here's the entire error print that I see:
>> > > >
>> > > >
>> https://gist.github.com/WayneZhenLi/e35f65081092cf1f24df29ec369c701c
>> > > >
>> > > > Anyway I'm confused about this error because /bin/awk
>> does
>> > > > exist. Like if
>> > > > I run "/bin/awk" in the console I see help info come up
>> describing
>> > > > how to
>> > > > use a program called "gawk". Why can't bitbake find
>> /bin/awk
>> > > > then? Or am
>> > > > I misunderstanding what this error is trying to say? I
>> mean I'm
>> > > > assuming
>> > > > it's just not able to find /bin/awk but maybe the error
>> means
>> > > > something
>> > > > else? Or maybe /bin/awk is actually relative to some
>> path? Let me
>> > > > know
>> > > > your thoughts.
>> > >
>> > > /bin/awk is missing on your target image that will run on
>> the T4240
>> > > RDB.
>> > >
>> > > The smallest implementation is to enable CONFIG_AWK in
>> your busybox
>> > > config.
>> > >
>> >
>> > import something like below patch into your kernel will
>> help too
>> >
>> >
>> https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/commit/?id=8af11c1cdd8fa08217e702b57cf96e9030db52b2
>> >
>> > > > -Thanks!, Wayne Li
>> > >
>> > > cu
>> > > Adrian
>> > >
>> > > --
>> > >
>> > > "Is there not promise of rain?" Ling Tan asked
>> suddenly out
>> > > of the darkness. There had been need of rain for
>> many days.
>> > > "Only a promise," Lao Er said.
>> > > Pearl S. Buck -
>> Dragon Seed
>> > >
>> >
>> >
>>
>
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