Libraries have another symlink which looks something like libfoo.so.1 and 2 etc that is the one which should be used by apps On Mon, Oct 4, 2021 at 6:12 AM Lijun Chen <[email protected]> wrote:
> I have an app built in a different environment that has lower versioned > libs, such as boost. I was wondering if on the target there are symlinks to > those libs, whether the app can be run on a target that has newer libs > without resbuild against a matched env. Seems that is not viable. > ------------------------------ > *From:* Khem Raj <[email protected]> > *Sent:* Saturday, October 2, 2021 11:23:58 PM > *To:* Lijun Chen > *Cc:* [email protected] > *Subject:* Re: [yocto] Shared lib symlinks in target image > > On Sat, Oct 2, 2021 at 6:55 PM Lijun Chen <[email protected]> wrote: > > > > Hi, > > > > > > When I build a yocto image, I added some packages into IMAGE_INSTALL, > such as boost, thrift, etc. I notice in the target OS image, the shared > libs don't the symlinks. But in the SDK image, the symlinks are there. For > example, > > > > lrwxrwxrwx 1 root root 22 Oct 2 16:41 libboost_filesystem-mt.so > -> libboost_filesystem.so > > lrwxrwxrwx 1 root root 29 Oct 2 16:41 libboost_filesystem.so -> > libboost_filesystem.so.1.75.0 > > > > Is there a way to add the symlinks to the target image as well? > > > > > > With the symlinks, I assume we can run an old application even the > dependent lib is a newer version? > > > > unversioned symlinks should not be used they are there to be used for > linking during build time. Unless you need to do builds on targets you > really do not need them > so explain you usecase. Are you trying to build stuff on device ? > > > > > Thanks, > > > > Lijun > > > > ________________________________ > > This transmission (including any attachments) may contain confidential > information, privileged material (including material protected by the > solicitor-client or other applicable privileges), or constitute non-public > information. Any use of this information by anyone other than the intended > recipient is prohibited. If you have received this transmission in error, > please immediately reply to the sender and delete this information from > your system. Use, dissemination, distribution, or reproduction of this > transmission by unintended recipients is not authorized and may be unlawful. > > > > > > > ------------------------------ > This transmission (including any attachments) may contain confidential > information, privileged material (including material protected by the > solicitor-client or other applicable privileges), or constitute non-public > information. Any use of this information by anyone other than the intended > recipient is prohibited. If you have received this transmission in error, > please immediately reply to the sender and delete this information from > your system. Use, dissemination, distribution, or reproduction of this > transmission by unintended recipients is not authorized and may be unlawful. >
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