1 files changed, 1 insertions, 1 deletions

diff --git a/configure1.in b/configure1.in
index 557a5563208..45ea56ba611 100755
--- a/configure1.in
+++ b/configure1.in
@@ -1326,7 +1326,7 @@ AC_ALLOCA
 # logb and frexp are found in -lm on most systems.
 AC_HAVE_LIBRARY(-lm)
 AC_HAVE_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
-random bcopy bcmp logb frexp ftime res_init setsid strerror)
+random bcopy bcmp logb frexp fmod ftime res_init setsid strerror)
 
 ok_so_far=true
 AC_FUNC_CHECK(socket, , ok_so_far=)