From ca33b691ad89ced1c4706c8b961bbdcef61b8175 Mon Sep 17 00:00:00 2001
From: Julian Rex <julian.rex@mapbox.com>
Date: Mon, 7 Oct 2019 15:42:27 -0400
Subject: [ios, macos] Add #if around new function.

---
 platform/darwin/src/MGLSDKMetricsManager.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/darwin/src/MGLSDKMetricsManager.m b/platform/darwin/src/MGLSDKMetricsManager.m
index 664bc373e4..0ef9ecda10 100644
--- a/platform/darwin/src/MGLSDKMetricsManager.m
+++ b/platform/darwin/src/MGLSDKMetricsManager.m
@@ -19,6 +19,7 @@ NSString* MGLStringFromMetricType(MGLMetricType metricType) {
 }
 
 // Taken verbatim from NXFreeArchInfo header documentation
+#if TARGET_OS_IOS
 static void MGLFreeArchInfo(const NXArchInfo *x)
 {
     const NXArchInfo *p;
@@ -32,6 +33,7 @@ static void MGLFreeArchInfo(const NXArchInfo *x)
     free((char *)x->description);
     free((NXArchInfo *)x);
 }
+#endif
 
 @interface MGLMetricsManager() <MGLNetworkConfigurationMetricsDelegate>
 
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