diff --git a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
--- a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -34,18 +34,21 @@
 #include <uuid/uuid.h>
 
 // Objective-C/C++ includes
+#include <AvailabilityMacros.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include <Foundation/Foundation.h>
 #include <mach-o/dyld.h>
+#if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
+  MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_12_0
 #if __has_include(<mach-o/dyld_introspection.h>)
 #include <mach-o/dyld_introspection.h>
 #define SDK_HAS_NEW_DYLD_INTROSPECTION_SPIS
 #endif
+#endif
 #include <objc/objc-auto.h>
 
 // These are needed when compiling on systems
 // that do not yet have these definitions
-#include <AvailabilityMacros.h>
 #ifndef CPU_SUBTYPE_X86_64_H
 #define CPU_SUBTYPE_X86_64_H ((cpu_subtype_t)8)
 #endif