[discuss] Binary compatibility between Illumos distributions

["Sad Clouds" <cryintothebluesky@gmail.com>]

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Hi, if somebody is building binaries for Illumos x86_64 platform, is there a good binary compatibility between various Illumos distributions? I know they may use different packaging systems for additional software, but if we assume the binaries are only linked with the base OS libraries and built with the system compiler, then can the same set of binaries be safely distributed for different distributions?

Also, Solaris used to have very good ABI backward compatibility, however Illumos distributions don't seem to use major/minor version numbers, but instead use a date string, or some unique release number. So how does one track incompatible ABI changes, etc? OK it may be stated in the release notes, but ideally it would need to be scripted, i.e. make file or config script would parse the OS version from the uname command and adjust the build variables. Is there some common versioning scheme across all Illumos distributions, maybe via a different command or version file in /etc?

Thanks.
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