diff --git a/Config.in b/Config.in
index 99f814e..05bc3a5 100644
--- a/Config.in
+++ b/Config.in
@@ -30,6 +30,14 @@
 	  some GNU extensions in libc. You probably only need this option
 	  if you plan to run busybox on desktop.
 
+config USE_PORTABLE_CODE
+	bool "Avoid using GCC-specific code constructs"
+	default n
+	help
+	  Use this option if you are trying to compile busybox with
+	  compiler other than gcc.
+	  If you do use gcc, this option may needlessly increase code size.
+
 choice
 	prompt "Buffer allocation policy"
 	default FEATURE_BUFFERS_USE_MALLOC