diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2180070bc45..dde3c42aeaa 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-08-22  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+	* gcc.c (struct prefix_list): Change prefix to const char *.
+
 2001-08-22  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
 
 	* final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 93d0aa5f71a..3e2f6e4c0b9 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -1205,7 +1205,7 @@ skip_whitespace (p)
 
 struct prefix_list
 {
-  char *prefix;               /* String to prepend to the path.  */
+  const char *prefix;	      /* String to prepend to the path.  */
   struct prefix_list *next;   /* Next in linked list.  */
   int require_machine_suffix; /* Don't use without machine_suffix.  */
   /* 2 means try both machine_suffix and just_machine_suffix.  */