Where did you grab the source code for the JDK you’re trying to build?
Cheers, Mikael > On Jun 4, 2020, at 11:07 PM, William Larson <wlars...@gmail.com> wrote: > > Hello David, > > When running configure > --with-buildjdk=./jdk/build/linux-x86_64-normal-server-release/jdk > > I get the following error > > configure: Potential Build JDK found at > /opt/FaceClockJava/jdk10l/build/linux-x86_64-normal-server-release/jdk is > incorrect JDK version (openjdk version "10-internal"); ignoring > configure: (Your Build JDK must be version 9) > checking for Build JDK... no > configure: error: Could not find a suitable Build JDK > configure exiting with result code 1 > > How do I build with buildjdk10 when it's asking for 9? > > >>> On Thu, Jun 4, 2020, 9:16 PM David Holmes <david.hol...@oracle.com> wrote: >> William, >> You need a JDK 10 build JDK not JDK 9 - as Mikael already stated and as >> Magnus wrote: >> "When we cross-compile, we need not only a Boot JDK (of version current >> N-1) running on the build host platform, but we also need a Build JDK, >> based on the current source code, running on the build host. (This is >> for running jmod/jlink; it needs to be up to date)." >> With your JDK 9 build JDK you are getting invalid jmod/jlink output >> files that prevent the full image from executing. But the exploded image >> that doesn't use all of those and so may execute okay. >> David >>> On 5/06/2020 12:22 pm, William Larson wrote: >>> Hello David, >>> I copied everything under >>> build/linux-mipsel-normal-zero-release/images/jdk >>> Got error >>> I then tried just >>> build/linux-mipsel-normal-zero-release/images/jre >>> Got the error >>> I even copied >>> build/linux-mipsel-normal-zero-release/images/jmods >>> Along side jre and jdk >>> Still got the error >>> I copied: (note the image folder is missing) >>> This is a much much bigger folder >>> build/linux-mipsel-normal-zero-release/jdk >>> To the target and it works albeit very slowly. >>> I just want the jre ideally. >>> Thanks for the help, >>> Will >>> On Thu, Jun 4, 2020, 7:12 PM David Holmes <david.hol...@oracle.com >>> <mailto:david.hol...@oracle.com>> wrote: >>> Hi William, >>> On 5/06/2020 10:00 am, William Larson wrote: >>>> Hello, >>>> I was able to successfully compile/build OpenJDK 10 with >>> following configure >>>> bash configure >>>> --openjdk-target=mipsel-oe-linux >> --with-sysroot=/usr/local/oecore-i686/sysroots/mips32el-nf-oe-linux >> --with-toolchain-path=/usr/local/oecore-i686/sysroots/i686-oesdk-linux/usr/bin/mipsel-oe-linux >> --with-libffi=/usr/local/oecore-i686/sysroots/mips32el-nf-oe-linux/usr/src/debug/libffi/3.0.13-r0/libffi-3.0.13 >>>> --with-jvm-variants=zero >>>> --with-build-jdk=./jdk9/build/buildjdk/jdk >>>> --with-boot-jdk=./jdk9/build/buildjdk/jdk >>>> I applied this patch to OpenJDK 10 as mips has 128 signals not 64 >> https://groups.google.com/forum/#!topic/linux.debian.bugs.dist/Tmgse0HIzDc >>>> I also Reference this mail from Magnus >> https://mail.openjdk.java.net/pipermail/build-dev/2019-January/024735.html >>>> Where he suggests using a boot JDK >>>> CONF=linux-mipsel-normal-zero-release make images >>>> Works >>>> However if i copy the images to my QEMU based on the same sysroot >> and >>>> compiler above I get >>>> ./java -version >>>> Error occurred during initialization of boot layer >>>> java.lang.IncompatibleClassChangeError: Implementing class >>>> If I copy the JDK folder just outside of images folder >>>> (build/linux-mipsel-normal-zero-release/jdk) it works OK albeit >>> it takes a >>>> LONG time to print >>> That is not part of the image built by "make images", it is what is >>> called the exploded image. So I'm not clear exactly what you copied >>> which did not work? Was it everything under >>> build/linux-mipsel-normal-zero-release/images/jdk >>> ? >>> Cheers, >>> David >>>> ./java -version >>>> openjdk version "10-internal" >>>> OpenJDK Runtime Environment (build 10-internal+0-adhoc.will.jdk10) >>>> OpenJDK Zero VM (build 10-internal+0-adhoc.will.jdk10, >>> interpreted mode) >>>> Why is does >>>> CONF=linux-mipsel-normal-zero-release make images >>>> not work?