diff --git a/ChangeLog b/ChangeLog
index 6e82666..54de90b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-20  Ben Elliston  <bje@redhat.com>
+
+	* config.guess (set_cc_for_build): Add c99 to list of candidates.
+
 2002-03-12  J.T. Conklin  <jtc@acorntoolworks.com>
 
 	* config.guess: Add OS release to QNX config strings.
diff --git a/config.guess b/config.guess
index 4e0b16e..fb78417 100755
--- a/config.guess
+++ b/config.guess
@@ -98,7 +98,7 @@ trap 'rm -f $dummy.c $dummy.o $dummy.rel $dummy; exit 1' 1 2 15
 
 set_cc_for_build='case $CC_FOR_BUILD,$HOST_CC,$CC in
  ,,)    echo "int dummy(){}" > $dummy.c ;
-	for c in cc gcc c89 ; do
+	for c in cc gcc c89 c99 ; do
 	  ($c $dummy.c -c -o $dummy.o) >/dev/null 2>&1 ;
 	  if test $? = 0 ; then
 	     CC_FOR_BUILD="$c"; break ;