Doc update.

[pspp] / modules / isnanl

diff --git a/modules/isnanl b/modules/isnanl
index 8bad6f672abf1311883bac4017b12496852ab175..c44b2c9a711f46a00bf51616c6f81be6a001f155 100644 (file)
--- a/modules/isnanl
+++ b/modules/isnanl
@@ -16,6 +16,13 @@ memcmp
 
 configure.ac:
 gl_FUNC_ISNANL
+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
 gl_MATH_MODULE_INDICATOR([isnanl])
 
 Makefile.am: