diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index aa8aa7f2fff..8723d585789 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2,6 +2,7 @@ Tue May 19 22:31:20 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
 	exists.
+	(stmp-fixproto): Simlarly for running fixproto.
 	* cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
 
 Tue May 19 19:08:52 1998  Jim Wilson  <wilson@cygnus.com>
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 5f92f4de248..2b7416f95bf 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2089,7 +2089,9 @@ stmp-fixproto: fixhdr.ready fixproto stmp-headers
 	else \
 	  : This line works around a 'make' bug in BSDI 1.1.; \
 	  FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
-	  $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
+	  if [ -d $(SYSTEM_HEADER_DIR) ] ; then \
+	    $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
+	  else true; fi; \
 	  touch include/fixed; \
 	fi
 	touch stmp-fixproto