mecab: FTBFS with OpenJDK 21 due to unsupported javac source/target level 7

[Vladimir Petko]

Dear Maintainers,

The package mecab ftbfs with default Java 21.
The relevant part of the build log:
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dh_auto_build --sourcedirectory=ruby --buildsystem=ruby
 cd ruby && dh_ruby --build
/usr/bin/make -C java
make[2]: Entering directory '/<<PKGBUILDDIR>>/java'
g++ -g -O3 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -fdebug-prefix-map=/<<PKGBUILDDIR>>=/usr/src/mecab-0.996-14build15 -Wdate-time -D_FORTIFY_SOURCE=2 -g -O3 -c -fpic MeCab_wrap.cxx -I../src -I/usr/lib/jvm/default-java/include -I/usr/lib/jvm/default-java/include/linux
g++ -shared MeCab_wrap.o -o libMeCab.so -Wl,-Bsymbolic-functions -flto=auto -ffat-lto-objects -Wl,-z,relro -Wl,-z,now -L../src/.libs -lmecab -lstdc++
javac -source 1.7 -target 1.7 -encoding UTF-8 org/chasen/mecab/*.java
warning: [options] bootstrap class path not set in conjunction with -source 7
error: Source option 7 is no longer supported. Use 8 or later.
error: Target option 7 is no longer supported. Use 8 or later.
make[2]: *** [Makefile:18: all] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/java'
make[1]: *** [debian/rules:24: override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:11: build-arch] Error 2
dpkg-buildpackage: error: debian/rules build-arch subprocess returned exit status 2
---------------

[Vladimir Petko (vpa1977)]

piuparts install/upgrade/purge (pass)

[Launchpad Janitor (janitor)]

This bug was fixed in the package mecab - 0.996-14ubuntu1

---------------
mecab (0.996-14ubuntu1) noble; urgency=medium

  * d/java/Makefile: cherry-pick upstream packaging change by Hideki
    Yamane to resolve Java 21 ftbs (LP: #2053294):
     - Use ${java_compat_level} for javac to avoid FTBFS (Closes: #1053061)
       (commit 0c8c0d1b3730758ef0ea98927e25c12596e39cf9).

 -- Vladimir Petko <email address hidden> Fri, 16 Feb 2024 14:53:38 +1300