diff --git a/ChangeLog b/ChangeLog
index 5bd19f7..7558ac4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2000-02-06  Ben Elliston  <bje@redhat.com>
+
+	* config.guess: Include <stdio.h> when compiling test programs
+	with a C++ compiler.  Function prototypes are mandatory in C++.
+	From Ossama Othman <othman@cs.wustl.edu>.
+
 2000-02-03  Ben Elliston  <bje@redhat.com>
 
 	* config.guess: Handle versions of DJGPP's uname(1) command which
diff --git a/config.guess b/config.guess
index 8f674ad..7b49616 100755
--- a/config.guess
+++ b/config.guess
@@ -291,6 +291,7 @@ EOF
     mips:*:*:UMIPS | mips:*:*:RISCos)
 	sed 's/^	//' << EOF >$dummy.c
 #ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
 #else
 	int main (argc, argv) int argc; char *argv[]; {
@@ -752,6 +753,7 @@ EOF
 	elif test "${UNAME_MACHINE}" = "mips" ; then
 	  cat >$dummy.c <<EOF
 #ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
 #else
 	int main (argc, argv) int argc; char *argv[]; {
@@ -788,6 +790,7 @@ EOF
 	  cat >$dummy.c <<EOF
 #include <features.h>
 #ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
 #else
 	int main (argc, argv) int argc; char *argv[]; {