With libslf4j-java and libastylej-jni installed and
using this diff I got a bit further:
--- /usr/bin/arduino.orig 2018-11-02 16:15:19.374287467 +0100
+++ /usr/bin/arduino 2018-11-02 16:14:29.159663536 +0100
@@ -22,6 +22,8 @@
java/lib/rt.jar \
java/lib/tools.jar \
lib/*.jar \
+ /usr/share/java/slf4j-simple.jar \
+ /usr/share/java/slf4j-api-1.7.25.jar \
;
do
CLASSPATH="${CLASSPATH}:${LIB}"
Now I just needed to fix up a symlink
# ln -sf /usr/lib/jni/x86_64-linux-gnu/libastylej.so /usr/share/arduino/lib/
(which was wrong, "x86_64-linux-gnu" was missing) and
got "arduino" working again.