Doc update.

[pspp] / modules / isnanl

diff --git a/modules/isnanl b/modules/isnanl
index 01b4417f266072501a61bbd6da03d51084c75c0a..c44b2c9a711f46a00bf51616c6f81be6a001f155 100644 (file)
--- a/modules/isnanl
+++ b/modules/isnanl
@@ -16,7 +16,10 @@ memcmp
 
 configure.ac:
 gl_FUNC_ISNANL
-if test $HAVE_ISNANL = 0; then
+m4_ifdef([gl_ISNAN], [
+  AC_REQUIRE([gl_ISNAN])
+])
+if test $HAVE_ISNANL = 0 || test $REPLACE_ISNAN = 1; then
   AC_LIBOBJ([isnanl])
   gl_PREREQ_ISNANL
 fi