jpackage Are the RPM Requires necessary?

[Alexey Semenyuk]

On 3/26/2020 6:23 PM, Sverre Moe wrote:
> tor. 26. mar. 2020 kl. 23:21 skrev Sverre Moe <sverre.moe at gmail.com 
> <mailto:sverre.moe at gmail.com>>:
>
>     tor. 26. mar. 2020 kl. 21:29 skrev Alexey Semenyuk
>     <alexey.semenyuk at oracle.com <mailto:alexey.semenyuk at oracle.com>>:
>
>
>
>         On 3/26/2020 4:13 PM, Sverre Moe wrote:
>>         tor. 26. mar. 2020 kl. 20:41 skrev Alexey Semenyuk
>>         <alexey.semenyuk at oracle.com <mailto:alexey.semenyuk at oracle.com>>:
>>
>>
>>
>>             On 3/26/2020 11:17 AM, Sverre Moe wrote:
>>             > Running jpackage to build an RPM will add some Requires
>>             to the package.
>>             >
>>             > It comes from the Template file:
>>             >
>>             https://github.com/openjdk/jdk/blob/jdk-14%2B36/src/jdk.incubator.jpackage/linux/classes/jdk/incubator/jpackage/internal/resources/template.spec
>>             <https://urldefense.com/v3/__https://github.com/openjdk/jdk/blob/jdk-14*2B36/src/jdk.incubator.jpackage/linux/classes/jdk/incubator/jpackage/internal/resources/template.spec__;JQ!!GqivPVa7Brio!M9XkBzPXiKm1ZIWttGJG4VL4Wf0-KGz9x6MXZQGaSDqz64B9k-Uh1JtNLScPm0aHPUWS$>
>>             >
>>             > Autoprov: 0
>>             > Autoreq: 0
>>             > %if "xPACKAGE_DEFAULT_DEPENDENCIES" != x ||
>>             "xPACKAGE_CUSTOM_DEPENDENCIES"
>>             > != x
>>             > Requires: PACKAGE_DEFAULT_DEPENDENCIES
>>             PACKAGE_CUSTOM_DEPENDENCIES
>>             > %endif
>>             >
>>             > Building on OpenSUSE will give us these Requires:
>>             > +%if "xglibc, libX11-6, libXau6, libXext6, libXi6,
>>             libXrender1, libXtst6,
>>             > libasound2, libxcb1, libz1" != x || "x" != x
>>             > +Requires: glibc, libX11-6, libXau6, libXext6, libXi6,
>>             libXrender1,
>>             > libXtst6, libasound2, libxcb1, libz1
>>             > +%endif
>>             > +
>>             > +#avoid ARCH subfolder
>>             >
>>             > We override the RPM spec file with resource directory.
>>             I copied the RPM
>>             > spec file content from the one jpackage generated and
>>             added something extra
>>             > to it.
>>             >
>>             > Unfortunately this RPM will not install on Fedora, but
>>             installs fine on
>>             > OpenSUSE where I built it.
>>             >
>>             > Installing on Fedora will spew out this line for all
>>             these Requires.
>>             > nothing provides libX11-6
>>             >
>>             > Are these Requires needed by Java?
>>             Yes. The list of required packages is built automatically
>>             by jpackage by
>>             analyzing dependencies of dynamic libraries of JRE
>>             bundled with the
>>             application being packed.
>>             On different distributes the same package can have
>>             different names.
>>             Seems like the package that is named on OpenSuSE as '
>>             libX11-6' is named
>>             as 'libX11' on Fedora.
>>
>>
>>         Not all Requires for OpenSUSE had an equivalent Fedoroa Requires
>>
>>         Requires for OpenSUSE from jpackage
>>         Requires: glibc, libX11-6, libXau6, libXext6, libXi6,
>>         libXrender1, libXtst6, libasound2, libxcb1, libz1
>>
>>         Requires for Fedora from jpackage:
>>         Requires: glibc, libX11, libXau, libXext, libXi, libXrender,
>>         libXtst, libxcb
>>
>>         The RPM spec for Fedora does not get any Requires with
>>         libasound and libz.
>         Probably this is because these packages are not installed on
>         Fedora host where you run jpackage.
>
>     Actually, the "missing" packages from Fedora RPM Spec generated by
>     jpackage, the libasound and libz does not exist on Fedora 30.
>     Makes me wonder, because the RPM installs fine on Fedora without
>     these.
>
>     /Sverre
>
>
> Though there could be a different package that provides these two on 
> Fedora, but then jpackage should have mention that package.
I can't comment on this without seeing jpackage log.

- Alexey
>
> /Sverre