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 bd6d2e1657ecf736e87888a74bd27e4fa9aa7ff1..1ac796d52c9f1bb721993b91f654fa04e7282d43 100644 (file)
--- a/modules/isnand
+++ b/modules/isnand
@@ -11,9 +11,17 @@ m4/isnand.m4
 Depends-on:
 math
 fpieee
+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: