roundf-ieee: Fix test failures on AIX 7.1 and OSF/1 5.1.

[pspp] / modules / isnand

diff --git a/modules/isnand b/modules/isnand
index c741769d1e0119dda4aa828fa32e1531053effba..1ac796d52c9f1bb721993b91f654fa04e7282d43 100644 (file)
--- a/modules/isnand
+++ b/modules/isnand
@@ -15,6 +15,13 @@ memcmp
 
 configure.ac:
 gl_FUNC_ISNAND
+m4_ifdef([gl_ISNAN], [
+  AC_REQUIRE([gl_ISNAN])
+])
+if test $HAVE_ISNAND = 0 || test $REPLACE_ISNAN = 1; then
+  AC_LIBOBJ([isnand])
+  gl_PREREQ_ISNAND
+fi
 gl_MATH_MODULE_INDICATOR([isnand])
 
 Makefile.am: