--- /dev/null
+++ Libc/Libc-1353.100.2/Platforms/driverkit/Makefile.inc
@@ -0,0 +1,48 @@
+#
+# Selectable features for DriverKit
+#
+
+# Legacy *64 APIs
+#FEATURE_LEGACY_64_APIS = 1
+
+# Legacy crt1.o environ support
+#FEATURE_LEGACY_CRT1_ENVIRON = 1
+
+# Legacy rune APIs
+#FEATURE_LEGACY_RUNE_APIS = 1
+
+# Legacy utmp APIs
+#FEATURE_LEGACY_UTMP_APIS = 1
+
+# OSThermalNotification APIs
+#FEATURE_THERM_NOTIFICATION_APIS = 1
+
+# No pre-1050 variants (should match sys/cdefs.h)
+FEATURE_ONLY_1050_VARIANTS = 1
+
+# No legacy variants (should match sys/cdefs.h)
+FEATURE_ONLY_UNIX_CONFORMANCE = 1
+
+# Only 64-bit ino_t (should match sys/cdefs.h)
+FEATURE_ONLY_64_BIT_INO_T = 1
+
+# Patch 3333969
+#FEATURE_PATCH_3333969 = 1
+
+# Patch 3417676
+#FEATURE_PATCH_3417676 = 1
+
+# plockstat dtrace support
+#FEATURE_PLOCKSTAT = 1
+
+# Timezone change notification
+#FEATURE_TIMEZONE_CHANGE_NOTIFICATION = 1
+
+# Extensible printf performance enhancement (uses more memory)
+#FEATURE_XPRINTF_PERF = 1
+
+# Disable registration of specific signals (<rdar://problem/21952708>)
+# FEATURE_SIGNAL_RESTRICTION = 0
+
+# Enable 32-bit compilation in unistd.h (<rdar://problem/51818745>)
+# FEATURE_POSIX_ILP32_ALLOW = 0