[yocto] busybox: adding task to run before do_configure

[Måns Zigher]

Hi,

I have created this simple class file

python do_busybox_foo() {
    bb.warn("BUSYBOX: foo task!")
}
addtask busybox_foo after do_configure before do_compile
do_busybox_foo[deptask] += "do_configure"

do_compile[deptask] += "do_busybox_foo"

And created a busybox_%.bbappend inherit this class. When running this I am
seeing the following error

WARNING: busybox-1.24.1-r0 do_busybox_foo: BUSYBOX: foo task!

ERROR: busybox-1.24.1-r0 do_install: Error executing a python function in
exec_python_func() autogenerated:


The stack trace of python calls that resulted in this exception/failure
was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>

     0001:
 *** 0002:extend_recipe_sysroot(d)
     0003:
File: '/home/user/workdir/layers/poky/meta/classes/staging.bbclass',
lineno: 565, function: extend_recipe_sysroot

     0561:                    dest = newmanifest[l]
     0562:                    if l.endswith("/"):
     0563:                        staging_copydir(l, targetdir, dest,
seendirs)
     0564:                        continue
 *** 0565:                    staging_copyfile(l, targetdir, dest,
postinsts, seendirs)
     0566:
     0567:    bb.note("Installed into sysroot: %s" % str(msg_adding))

     0568:    bb.note("Skipping as already exists in sysroot: %s" %
str(msg_exists))
     0569:
File: '/home/user/workdir/layers/poky/meta/classes/staging.bbclass',
lineno: 151, function: staging_copyfile

     0147:        os.symlink(linkto, dest)
     0148:        #bb.warn(c)
     0149:    else:
     0150:        try:
 *** 0151:            os.link(c, dest)
     0152:        except OSError as err:
     0153:            if err.errno == errno.EXDEV:
     0154:                bb.utils.copyfile(c, dest)

     0155:            else:
Exception: FileExistsError: [Errno 17] File exists:
'/home/user/workdir/build/tmp/sysroots-components/cortexa7hf-neon/glibc-initial/usr/include/time.h'
->
'/home/user/workdir/build/tmp/work/cortexa7hf-neon-target-linux-gnueabi/busybox/1.24.1-r0/recipe-sysroot/usr/include/time.h'

ERROR: busybox-1.24.1-r0 do_install: Function failed:
extend_recipe_sysroot
ERROR: Logfile of failure stored in:
/home/user/workdir/build/tmp/work/cortexa7hf-neon-target-linux-gnueabi/busybox/1.24.1-r0/temp/log.do_install.30635

ERROR: Task
(/home/user/workdir/layers/poky/meta/recipes-core/busybox/busybox_1.24.1.bb:do_install)
failed with exit code '1'

I have tried to debug this because I cannot understand why it affects the
staging in the install task. By removing the do_busybox_foo[deptask] I
prevent this error. Any advise would be appreciated.

BR
Måns Zigher
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