diff --git a/gcc/config/romp/x-romp b/gcc/config/romp/x-romp
new file mode 100644
index 000000000000..55dfb61a99dc
--- /dev/null
+++ b/gcc/config/romp/x-romp
@@ -0,0 +1,8 @@
+# obstack.h assumes that if __STDC__ is defined an ANSI C preprocessor is
+# being used.  -Hnocpp makes hc use its builtin preprocessor instead of
+# /lib/cpp.  gcc doesn't use <sys/ioctl.h>, so it doesn't matter whether
+# fixincludes has been run.
+CC=hc -Hnocpp
+
+# The default `make' on the RT doesn't define MAKE, so do it here.
+MAKE=make