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Added configuration option to support MicroJIT builds of OpenJ9 #413

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@Scott-Young-6746 Scott-Young-6746 commented May 15, 2020

This PR adds support for an --enable-microjit flag during configuration to support an OpenJ9 build with the MicroJIT project code. This PR should not prevent an unmodified OpenJ9 from compiling nor should enabling the --enable-microjit flag with an unmodified OpenJ9 impact the build output.

See also eclipse-openj9/openj9#9578

Signed-off-by: Scott Young [email protected]

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@keithc-ca
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Unless there are limitations in eclipse-openj9/openj9#9578 that exclude support for newer Java versions, this should be repeated in jdk11, jdk14 and jdknext.

@Scott-Young-6746
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Unless there are limitations in eclipse/openj9#9578 that exclude support for newer Java versions, this should be repeated in jdk11, jdk14 and jdknext.

At this time we haven't tested MicroJIT on any other JDKs than jdk8.

However, I can't think of any reason it wouldn't work.

@pshipton
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Java 11 adds new bytecode for eclipse-openj9/openj9#954

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