autodetect lowest possible target

s-u · s-u · commit 0d054a462205 · 2026-01-19T14:57:52.000+13:00
diff --git a/src/java/Makefile b/src/java/Makefile
@@ -1,5 +1,8 @@
 JAVA_SRC=$(wildcard *.java)
-JFLAGS=-source 1.6 -target 1.6
+ifeq ($(JTARGET),)
+JTARGET:=$(shell for i in 1.6 8 11 17; do if javac -source $$i -target $$i RJavaTools.java >/dev/null 2>&1; then echo $$i; break; fi; done)
+endif
+JFLAGS=-source $(JTARGET) -target $(JTARGET)
 JAVAC=javac
 JAVA=java
 JAVADOC=javadoc
diff --git a/src/jri/REngine b/src/jri/REngine
@@ -1 +1 @@
-Subproject commit d6f5c84bd7af9a2207673d495cad9b82d459effb
+Subproject commit 4455acba2ec859bc3e51df285e54ff40d823271d
