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Re: [tycho-dev] Does tycho build with OpenJDK 9?
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https://git.eclipse.org/r/#/c/123503/
On 29.05.18, 08:09, "tycho-dev-bounces@xxxxxxxxxxx on behalf of Aleksandar Kurtakov" <tycho-dev-bounces@xxxxxxxxxxx on behalf of akurtako@xxxxxxxxxx> wrote:
On Tue, May 29, 2018 at 8:13 AM, Sievers, Jan
<jan.sievers@xxxxxxx> wrote:
this code is used to detect the compilation bootclasspath with useJDK=BREE
it forks a small main program using the configured JDK
AFAIK eclipse platform is still using very old JDKs (1.4) and the bytecode level of the compiled Main needs to be able to run on the oldest JDK used
Eclipse platform requires 1.8 and equinox is still at 1.7. There are bundles at older but I don't see a reason for bundles there to stay at that level (http://download.eclipse.org/eclipse/downloads/drops4/I20180528-0800/buildlogs/reporeports/reports/breedata.txt
for details). Overall bundles at ancient BREE are fading out so let's discuss the best for Tycho as a project here.
Regards
Jan
On 28.05.18, 22:11, "tycho-dev-bounces@xxxxxxxxxxx on behalf of Aleksandar Kurtakov" <tycho-dev-bounces@xxxxxxxxxxx on behalf of
akurtako@xxxxxxxxxx> wrote:
On Mon, May 28, 2018 at 4:43 PM, Mickael Istria
<mistria@xxxxxxxxxx> wrote:
Hi all,
I cannot build locally today, I see
"""
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile (default-compile) on project tycho-lib-detector: Compilation failure: Compilation failure:
[ERROR] Source option 1.3 is no longer supported. Use 1.6 or later.
[ERROR] Target option 1.1 is no longer supported. Use 1.6 or later.
[ERROR] -> [Help 1]
IMHO all these should be updated to 1.6+. Anything older than that should be out of question especially considering that Java 11 is supposed to drop even 1.6. The fact that there is no OSS full featured pre 1.6 JVM makes it more than obvious for OSS projects
to me.
Jan, do you agree with bumping to Java 1.6+ so compiling with latest Java (10 at time of writing is working well) and working with latest LTS Java (8 at time of writing).
"""
I'm using openjdk 9 here.
"""
mistria@mistria-rh:~/git/org.eclipse.tycho$ javac -version
javac 9.0.4
mistria@mistria-rh:~/git/org.eclipse.tycho$ java -version
openjdk version "9.0.4"
OpenJDK Runtime Environment (build 9.0.4+11)
OpenJDK 64-Bit Server VM (build 9.0.4+11, mixed mode)
"""
Are there some restriction about which JDK should be used in order to built Tycho? Or is there anything else I need to tweak?
--
Mickael Istria
Eclipse IDE <https://www.eclipse.org/downloads/eclipse-packages/> developer, for
Red Hat Developers <https://developers.redhat.com/>
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--
Alexander Kurtakov
Red Hat Eclipse Team
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Alexander Kurtakov
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