Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -149,10 +149,11 @@
 	potential_compilers="clang egcc gcc"
 	;;
 esac
 AC_PROG_OBJC($potential_compilers)
 AC_PROG_OBJCPP
+AC_PROG_EGREP
 AC_PROG_LN_S
 
 BUILDSYS_CHECK_IOS
 
 AC_ARG_WITH(wii,