diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 404494d5cd4..678c5d6e237 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-02-03  Jakub Jelinek  <jakub@redhat.com>
+
+	* cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
+
 2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
 
         * cpphash.h: Rename _ALIGN POOL_ALIGN.
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index ff4cdb38bbb..8319ad987fb 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -237,7 +237,11 @@ append_include_chain (pfile, dir, path, cxx_aware)
   new->ino  = st.st_ino;
   new->dev  = st.st_dev;
   if (path == SYSTEM)
+#ifdef NO_IMPLICIT_EXTERN_C
+    new->sysp = 1;
+#else
     new->sysp = cxx_aware ? 1 : 2;
+#endif
   else
     new->sysp = 0;
   new->name_map = NULL;