gzipnative: Ensure dependencies apply to do_unpack and do_populate_lic

| DEBUG: Executing python function sstate_task_postfunc| DEBUG: Staging files from /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/license-destdir to /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/deploy/licenses| NOTE: Using umask 002 (not 22) for sstate packaging| DEBUG: Preparing tree /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/license-destdir for packaging at /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/sstate-build-populate-lic/license-destdir| NOTE: Removing hardcoded paths from sstate package: 'find /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/sstate-build
 -populate-lic/ \( -name "*.la" -o -name "*-config" -o -name "*_config" \) -type f | xargs grep -l -e '/srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/sysroots/qemux86-64' | tee /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/sstate-build-populate-lic/fixmepath | xargs --no-run-if-empty sed -i -e 's:/srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/sysroots/qemux86-64:FIXMESTAGINGDIRHOST:g''
| DEBUG: Executing shell function sstate_create_package
| gzip: /lib64/libz.so.1: version `ZLIB_1.2.5.1' not found (required by gzip)
| tar: Child returned status 1
| tar: Error is not recoverable: exiting now
| WARNING: /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/temp/run.sstate_create_package.20384:1 exit 2 from
|   tar --ignore-failed-read -czf $TFILE license-destdir
| DEBUG: Python function sstate_task_postfunc finished
| ERROR: Function failed: sstate_create_package (log file is located at /srv/home/pokybuild/yocto-autobuilder-new/yocto-slave/nightly-x32/build/build/tmp/work/qemux86_64-poky-linux-gnux32/core-image-minimal/1.0-r0/temp/log.do_populate_lic.20384)
NOTE: recipe core-image-minimal-1.0-r0: task do_populate_lic: Failed

Imagine:

pigz-native is used from sstate.
zlib-native is getting rebuilt.

pigz-native has some special handling to ensure its not used until the
system is ready. This is through a class and installing into a subdir of
PATH which only gets added in when we believe its available. We use
pigz-native in the image generation code and its in DEPENDS.

DEPENDS are guaranteed available for do_configure. do_populate_lic can
run before do_configure so the DEPENDS isn't met and I think this is our
corner case.I suspect ways of fixing this are to either:

a) force do_populate_lic after do_configure everywhere
b) statically link pigz-native
c) add in an explicit dependency to gzipnative.bbclass forcing
do_populate_lic after do_configure. If do_unpack handled a tar file in
an image, it would also be at risk of course.

Looking at each, a) is overkill and our dependency tree is nasty enough
already. b) sounds nice but is also risky since what happens if the gzip
binary is half copied when we run it. Our hardlink copying should deal
with that but I'm still nervous. This leaves us with c) so we could do:

do_unpack[depends] += "gzip-native:do_populate_sysroot"

The reproducer is:

bitbake pigz-native
bitbake zlib-native -c clean
bitbake core-image-minimal -c populate_lic --no-setscene -f

however your system needs to have an old version of zlib on it which
pigz-native can't run against. The line above fixes it.

(From OE-Core rev: 16cb83d13bdb7e1abc88c18ec224efcd9ceef4f6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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