Oops.

diff --git a/m4/isnanl.m4 b/m4/isnanl.m4
index 5e921e3..c01ab02 100644 (file)
--- a/m4/isnanl.m4
+++ b/m4/isnanl.m4
@@ -24,7 +24,7 @@ AC_DEFUN([gl_FUNC_ISNANL],
       LIBS="$save_LIBS"
       case "$gl_cv_func_isnanl_works" in
         *yes) gl_func_isnanl=yes ;;
-        *)    gl_func_isnanl=no ;;
+        *)    gl_func_isnanl=no; ISNANL_LIBM= ;;
       esac
     else
       gl_func_isnanl=no