[yocto] Understanding "dev package contains non-symlink"

[Giordon Stark]

Hi,

I've read the emails in this mailing list. I'm mostly struggling to
understand the situation for which "-dev package contains non-symlink .so"
occurs. I understand that normally, one expects "*.so" files installed as
part of the package, with symlinks to these versions in the "-dev" package.
What I don't understand is the fix, and why this problem occurs in the
first place.

The recipe I'm working on in question is here: xrootd_4.8.3.bb
<https://github.com/kratsg/meta-l1calo/blob/add/xrootd/recipes-core/root/xrootd_4.8.3.bb>
(if
this link doesn't work in the future, it's probably because I've merged
this to master). This recipe is to install this piece of code:
https://github.com/xrootd/xrootd.

Here's an example of the errors:

ERROR: xrootd-4.8.3-r0 do_package_qa: QA Issue: -dev package contains
non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdThrottle-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSecsss-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSecunix-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSecpwd-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdN2No2p-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSec-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdFileCache-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSsiLog-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdCksCalczcrc32-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdBwm-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdBlacklistDecision-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdClProxyPlugin-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSecProt-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdOssSIgpfsT-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdSsi-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdPss-4.so'
-dev package contains non-symlink .so: xrootd-dev path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd-dev/usr/lib/libXrdXrootd-4.so'
[dev-elf]
ERROR: xrootd-4.8.3-r0 do_package_qa: QA run found fatal errors. Please
consider fixing them.
ERROR: xrootd-4.8.3-r0 do_package_qa: Function failed: do_package_qa
ERROR: Logfile of failure stored in:
/local/d4/gstark/poky/build/tmp/work/aarch64-poky-linux/xrootd/4.8.3-r0/temp/log.do_package_qa.28174
ERROR: Task (/local/d4/gstark/meta-l1calo/recipes-core/root/xrootd_4.8.3.bb:do_package_qa)
failed with exit code '1'

Then, when I add these lines to the recipe:

  FILES_SOLIBSDEV = ""
  FILES_${PN} += "${libdir}/*.so"

I find that nothing is really fixed. It seems to be a similar error, but
with different files now:

ERROR: xrootd-4.8.3-r0 do_package_qa: QA Issue: non -dev/-dbg/nativesdk-
package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdXml.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdSsiLib.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdCryptoLite.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdAppUtils.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdCrypto.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdPosix.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdUtils.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdSsiShMap.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdCl.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdClient.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdServer.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdPosixPreload.so'
non -dev/-dbg/nativesdk- package contains symlink .so: xrootd path
'/work/aarch64-poky-linux/xrootd/4.8.3-r0/packages-split/xrootd/usr/lib/libXrdFfs.so'
[dev-so]
ERROR: xrootd-4.8.3-r0 do_package_qa: QA run found fatal errors. Please
consider fixing them.
ERROR: xrootd-4.8.3-r0 do_package_qa: Function failed: do_package_qa
ERROR: Logfile of failure stored in:
/local/d4/gstark/poky/build/tmp/work/aarch64-poky-linux/xrootd/4.8.3-r0/temp/log.do_package_qa.30048
ERROR: Task (/local/d4/gstark/meta-l1calo/recipes-core/root/xrootd_4.8.3.bb:do_package_qa)
failed with exit code '1'

I'm getting a bit confused as these errors didn't show up the first time.
And I suppose part of the confusing is about packaging vs installation.

Thanks,

Giordon
-- 
Giordon Stark
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