only enable on mac

Signed-off-by: Jade Turner <[email protected]>

Author: spacey-sooty

src/main/java/edu/wpi/first/nativeutils/WPINativeUtils.java

@@ -16,20 +16,22 @@ public void apply(Project project) {
 
     project.getPluginManager().apply(RpathRules.class);
 
-    if (project.hasProperty("developerID")) {
-      project.getTasks().withType(AbstractLinkTask.class).forEach((task) -> {
-            // Don't sign any executables because codesign complains
-            // about relative rpath.
-            if (!(task instanceof LinkExecutable)) {
-              // Get path to binary.
-              String path = task.getLinkedFile().getAsFile().get().getAbsolutePath();
-              ProcessBuilder builder = new ProcessBuilder();
-              var codesigncommand = String.format("codesign --force --strict --timestamp --options=runtime "
-              + "--version -s %s %s", project.findProperty("developerID"), path);
-              builder.command("sh", "-c", codesigncommand);
-              builder.directory(project.getRootDir());
-            }
-        });
+    if (System.getProperty("os.name").startsWith("Mac")) {
+      if (project.hasProperty("developerID")) {
+        project.getTasks().withType(AbstractLinkTask.class).forEach((task) -> {
+              // Don't sign any executables because codesign complains
+              // about relative rpath.
+              if (!(task instanceof LinkExecutable)) {
+                // Get path to binary.
+                String path = task.getLinkedFile().getAsFile().get().getAbsolutePath();
+                ProcessBuilder builder = new ProcessBuilder();
+                var codesigncommand = String.format("codesign --force --strict --timestamp --options=runtime "
+                + "--version -s %s %s", project.findProperty("developerID"), path);
+                builder.command("sh", "-c", codesigncommand);
+                builder.directory(project.getRootDir());
+              }
+          });
+        }
       }
     }
 }