Java min version for master sources?
sbergman at redhat.com
Tue May 21 09:15:59 UTC 2019
On 21/05/2019 10:53, julien2412 wrote:
> Meanwhile, I took a look about prerequisites.
> For MacOs, it seems Java min version is 1.8 (see
> On Window, it's 1.7 min (see
The baseline is actually Java 6. We use `javac --target 1.6` (see
JAVA_TARGET_VER in configure.ac) to generate code that is compatible
with the Java 6 JVM spec, and our source code must only use Java API
features that are present in Java 6 (though `javac --source 1.6 --target
1.6` apparently doesn't check that).
> To simplify all this, can we move to Java 1.8 min for every OS for master
> sources? (future 6.3) Or is it too late and we should wait for 6.3 branching
> and so it'd be for future 6.4?
Increasing the baseline should mainly be a compatible change, as old
code (e.g., extensions) should continue to work with newer Java
installations. The only drawback is that code compiled against the
newer baseline (e.g., the URE jars from our builds being distributed
somewhere on the Maven infrastructure?) cannot be used with older Java
But with LO 6.3 branch-off just around the corner, I'd make any
discussion of increasing the baseline only target LO 6.4.
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