--- gcc/c++	2018/04/24 17:51:28	1.1.1.1
+++ gcc/c++	2018/04/24 17:57:39	1.1.1.3
@@ -1,5 +1,6 @@
 #!/bin/sh
 # Compile programs, treating .c files as C++.
+: || exec /bin/sh -f $0 $argv:q
 
 newargs=
 quote=no
@@ -26,7 +27,7 @@ do
 	# so don't treat it as a file name.
 	quote=yes
 	;;
-      -[cSE])
+      -[cSEM] | -MM)
 	# Don't specify libraries if we won't link,
 	# since that would cause a warning.
 	newargs="$newargs $arg"