From 03c67a8832ef3469a6dba08436edac3f9b080aec Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Fri, 25 Apr 2025 22:10:44 +0200
Subject: limit silencing of memory-access warning for recent JDKs

---
 Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index d071eed..5d5e771 100644
--- a/Makefile
+++ b/Makefile
@@ -10,12 +10,18 @@ ZIPFILES += $(STEMS:=.java)
 
 include _make/*.mk
 
+# resolve Java version
+JAVA_MAJOR_VERSION := $(shell $(JAVA) -version 2>&1 \
+ | grep -Pom1 '"\K\d+' )
+
 # silence security restriction warning
 JAVAFLAGS += --enable-native-access=javafx.graphics
 
-# silence warnig specific to JDK 23-24
+# silence unsafe memory-access methods warning on recent JDKs
 # @see <https://stackoverflow.com/a/79526038/18619283>
+ifeq ($(shell expr $(JAVA_MAJOR_VERSION) \>= 23), 1)
 JAVAFLAGS += --sun-misc-unsafe-memory-access=allow
+endif
 
 all:: render
 
-- 
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