From ba07288e32b07a98c79f8812eed7e03daa5b7f26 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 21 May 2011 02:21:30 +0200
Subject: isnan: Respect rules for use of AC_LIBOBJ.

* m4/isnan.m4 (gl_ISNAN): Don't do the AC_LIBOBJ and gl_PREREQ_ISNAN*
invocations here.
* modules/isnanf (configure.ac): Require gl_ISNAN if it exists. Test
REPLACE_ISNAN.
* modules/isnand (configure.ac): Likewise.
* modules/isnanl (configure.ac): Likewise.
---
 modules/isnanf | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'modules/isnanf')

diff --git a/modules/isnanf b/modules/isnanf
index a04a8b364a..8b9e3a1388 100644
--- a/modules/isnanf
+++ b/modules/isnanf
@@ -15,7 +15,10 @@ memcmp
 
 configure.ac:
 gl_FUNC_ISNANF
-if test $HAVE_ISNANF = 0; then
+m4_ifdef([gl_ISNAN], [
+  AC_REQUIRE([gl_ISNAN])
+])
+if test $HAVE_ISNANF = 0 || test $REPLACE_ISNAN = 1; then
   AC_LIBOBJ([isnanf])
   gl_PREREQ_ISNANF
 fi
-- 
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