From d58458c78de4ae5e2c6b9e8090a0f61e4ccaa347 Mon Sep 17 00:00:00 2001
From: Daymon Rogers <Daymon.Rogers@silabs.com>
Date: Wed, 24 Sep 2025 11:28:43 -0500
Subject: [PATCH] add a way to set the java compiler version in the gradle
 build

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

diff --git a/silabs-pti/build.gradle b/silabs-pti/build.gradle
index 82be0e5..8b88ea1 100644
--- a/silabs-pti/build.gradle
+++ b/silabs-pti/build.gradle
@@ -29,7 +29,17 @@ java {
   withJavadocJar()
   withSourcesJar()
   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())
   }   
 }