[bitbake-devel] [yocto] No Package Provides /bin/awk
Mark Hatle
mark.hatle at kernel.crashing.org
Wed Nov 13 18:31:46 UTC 2019
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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