fix: macOS 10.11/10.13 compile warning fix (#309)

* fixed warnings by adding macOS to @available check and -Wunguarded-availability directive
amplitude · Oct 21, 2020 · d834b6c · d834b6c
1 parent 18710c5
commit d834b6c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Sources/Amplitude/Amplitude.m b/Sources/Amplitude/Amplitude.m
@@ -1686,11 +1686,12 @@ - (id)unarchive:(NSString*)path {
 }
 
 - (id)unarchive:(NSData *)data error:(NSError **)error {
-    if (@available(iOS 12, tvOS 11.0, *)) {
+    if (@available(iOS 12, tvOS 11.0, macOS 10.13, *)) {
         return [NSKeyedUnarchiver unarchivedObjectOfClass:[NSDictionary class] fromData:data error:error];
     } else {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#pragma clang diagnostic ignored "-Wunguarded-availability" // Safe to use this flag since API only used with macOS > 10.11 from (id)unarchive:(NSString*)path 
         // Even with the availability check above, Xcode would still emit a deprecation warning here.
         // Since there's no way that it could be reached on iOS's >= 12.0 or tvOS's >= 11.0
         // (where `[NSKeyedUnarchiver unarchiveTopLevelObjectWithData:error:]` was deprecated),
@@ -1701,7 +1702,7 @@ - (id)unarchive:(NSData *)data error:(NSError **)error {
 }
 
 - (BOOL)archive:(id) obj toFile:(NSString*)path {
-    if (@available(tvOS 11.0, iOS 12, *)) {
+    if (@available(tvOS 11.0, iOS 12, macOS 10.13, *)) {
         NSError *archiveError = nil;
         NSData *data = [NSKeyedArchiver archivedDataWithRootObject:obj requiringSecureCoding:NO error:&archiveError];
         if (archiveError != nil) {