I get a build error because antlr is downloaded precompiled instead of using the system version. [342/788] cd /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars && /etc/java-config-2/current- system-vm/bin/java -Xmx1024m -jar /var/tmp/portage/dev-db/mysql-workbench-8.0.36/distdir/antlr-4.11.1-complete.jar -Dlanguage=Cpp -listener -visitor -o ../my sql -package parsers /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars/MySQLLexer.g4 /var/tmp /portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars/MySQLParser.g4 FAILED: /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLLexer.h /var/tmp/portage/dev-db/m ysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLLexer.tokens /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/m ysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParserBaseListener.h /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-commu nity-8.0.36-src/library/parsers/mysql/MySQLParserBaseVisitor.h /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/libra ry/parsers/mysql/MySQLParser.h /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParserList ener.h /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParser.tokens /var/tmp/portage/dev -db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParserVisitor.h /var/tmp/portage/dev-db/mysql-workbench-8.0.3 6/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLLexer.cpp /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-communit y-8.0.36-src/library/parsers/mysql/MySQLParserBaseListener.cpp /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/libra ry/parsers/mysql/MySQLParserBaseVisitor.cpp /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/My SQLParser.cpp /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParserListener.cpp /var/tmp /portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/mysql/MySQLParserVisitor.cpp cd /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars && /etc/java-config-2/current-system-vm/ bin/java -Xmx1024m -jar /var/tmp/portage/dev-db/mysql-workbench-8.0.36/distdir/antlr-4.11.1-complete.jar -Dlanguage=Cpp -listener -visitor -o ../mysql -packa ge parsers /var/tmp/portage/dev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars/MySQLLexer.g4 /var/tmp/portage/d ev-db/mysql-workbench-8.0.36/work/mysql-workbench-community-8.0.36-src/library/parsers/grammars/MySQLParser.g4 Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: org/antlr/v4/Tool has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:756) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:473) at java.net.URLClassLoader.access$100(URLClassLoader.java:74) at java.net.URLClassLoader$1.run(URLClassLoader.java:369) at java.net.URLClassLoader$1.run(URLClassLoader.java:363) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:362) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:621) I have the following configuration on my system: # eselect java-vm list Available Java Virtual Machines: [1] openjdk-bin-8 system-vm [2] openjdk-bin-17 It seems that the downloaded antlr version has been compiled with java-11 while version 8 is used during src_compile()
