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[COMMITTED] alpha: Fix redefinition of __isnanl macro warning


In bdd7898a58bd76ac3b411a4931ff3f9e77eabe6a we added self-definitions
of __isnan and friends in order to indicate specialized architecture
support, and avoid redefinitions within various generic math_private.h.

There is no generic math_private.h that concerns ldbl-128, and while
we provide __isnanl in the alpha math_private.h there's no need to
protect the function against redefinition.
---
 ports/ChangeLog.alpha | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
index 21a4f12..9be0600 100644
--- a/ports/ChangeLog.alpha
+++ b/ports/ChangeLog.alpha
@@ -3,6 +3,8 @@
 	* sysdeps/alpha/Makefile [$(subdir) = math]
 	(CFLAGS-s_isnan.c): New variable.
 
+	* sysdeps/alpha/fpu/math_private.h (__isnanl): Remove definition.
+
 2012-11-30  Richard Henderson  <rth@redhat.com>
 
 	* sysdeps/alpha/fpu/libm-test-ulps: Update.
-- 
1.7.11.7


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