Ubuntu 25.10 uses rust coreutils.
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$ date --version
date (uutils coreutils) 0.2.2
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date is not detected as GNU-compatible date:
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checking if date is a GNU compatible version... no
...
checking for --enable-unlimited-crypto... enabled, default
error: unexpected argument '-j' found

  tip: to pass '-j' as a value, use '-- -j'

Usage: /usr/bin/date-usage

For more information, try '--help'.
checking for jni library path... default
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The build fails:
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$ make images
Building target 'images' in configuration 'linux-x86_64-server-release'
...
Creating support/modules_libs/java.base/jrt-fs.jar
option --date requires an argument
Try `jar --help' for more information.
gmake[3]: *** [JrtfsJar.gmk:76: /home/vladimirp/git/jdk/build/linux-x86_64-server-release/support/modules_libs/java.base/jrt-fs.jar] Error 1
gmake[2]: *** [make/Main.gmk:442: jrtfs-jar] Error 2
gmake[2]: *** Waiting for unfinished jobs....
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