On 13/12/2019 19:48, Terrence Enger wrote:
I have accumulated a confusing number of jdk's, to the extent that I am reduced to trying things at random. I think that it would be good to straighten these out before I ask about my failure building LibreOffice Viewer.My build for Linux has been working with --with-jdk-home=/usr/lib/jvm/default-java which points to java-1.11.0-openjdk-amd64 which I believe simply comes with debian buster. An early attempt to build Viewer for Android required a 32-bit jdk, so I installed debian package openjdk-11-jdk:i386 Places on my system with bin/java which configure has accepted without explicit error message as values for --with-jdk-home are /usr/lib/jvm/java-11-openjdk-amd64 /usr/lib/jvm/java-11-openjdk-i386 /usr/local/android-studio/jre Advice welcome.
You appear to wonder whether you should be able to point --with-jdk-home to a 32-bit Java installation for a 64-bit LO build (on Linux). No. At least some tests run during the LO build would want to load libjvm.so from the specified --with-jdk-home (propagated via JAVA_HOME environment variable and UNO_JAVA_JFW_ENV_JREHOME bootstrap variable) into a 64-bit process, and fail.
I guess configure.ac doesn't check that a Java installation specified via --with-jdk-home matches the bitness of the LO build. If that's the case, feel free to improve that if you see a need for it.
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