From e82f0671c4de82c2d7e47835e7c5b3c21e50d055 Mon Sep 17 00:00:00 2001
From: Daymon Rogers <Daymon.Rogers@silabs.com>
Date: Mon, 22 Sep 2025 12:45:06 -0500
Subject: [PATCH] add a way to set the java compiler version in the gradle
 build

---
 pcap/build.gradle | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pcap/build.gradle b/pcap/build.gradle
index 63f83e3..54a4dec 100644
--- a/pcap/build.gradle
+++ b/pcap/build.gradle
@@ -5,7 +5,17 @@ plugins {
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(11)
+      def requestedVersion = providers
+            .systemProperty("javaVersion")
+            .orElse(providers.environmentVariable("JAVA_VERSION"))
+            .orElse("11") // fallback if nothing set
+      languageVersion = JavaLanguageVersion.of(requestedVersion.map { 
+        try { 
+          Integer.parseInt(it) 
+        } catch (NumberFormatException e) { 
+          throw new GradleException("Invalid javaVersion/JAVA_VERSION: '$it' is not a valid integer") 
+        } 
+      }.get())
     }   
 }