--- Libc/Libc-1081.1.3/xcodescripts/generate_features.pl
+++ Libc/Libc-997.90.3/xcodescripts/generate_features.pl
@@ -25,7 +25,7 @@
 	$ENV{"CURRENT_ARCH"} = $arch;
 	
 	my $platformName = $ENV{"PLATFORM_NAME"};
-	$platformName =~ s/simulator/os/;
+	$platformName = "iphoneos" if ($platformName eq "iphonesimulator");
 
 	my $platformPath = $ENV{"SRCROOT"} . "/Platforms/" . $platformName . "/Makefile.inc";
 	my $featuresHeaderDir = $ENV{"DERIVED_FILES_DIR"}."/".$arch;
@@ -227,12 +227,6 @@
 			printf HEADER "/* #undef XPRINTF_PERF */\n";
 		}
 
-		if (defined($features{"FEATURE_SIGNAL_RESTRICTION"})) {
-			printf HEADER "#define FEATURE_SIGNAL_RESTRICTION 1\n";
-		} else {
-			printf HEADER "/* #undef FEATURE_SIGNAL_RESTRICTION */\n";
-		}
-
 		printf HEADER "#endif // _LIBC_FEATURES_H_\n";
 		close HEADER;
 	}