# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1331392062 -3600
# Node ID e0066a03e708261de4f0f4e55bd94db21103ee1a
# Parent  d7a6433b4967c1538cf94437231f4bc013765fe2
isnanf-nolibm: Make it work on IRIX 6.5 with cc.

* lib/isnanf-nolibm.h [IRIX]: Include <ieeefp.h>.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-03-10  Bruno Haible  <bruno@clisp.org>
+
+	isnanf-nolibm: Make it work on IRIX 6.5 with cc.
+	* lib/isnanf-nolibm.h [IRIX]: Include <ieeefp.h>.
+
 2012-03-10  Bruno Haible  <bruno@clisp.org>
 
 	logf-ieee: Work around test failure on NetBSD 5.1.
diff --git a/lib/isnanf-nolibm.h b/lib/isnanf-nolibm.h
--- a/lib/isnanf-nolibm.h
+++ b/lib/isnanf-nolibm.h
@@ -24,6 +24,11 @@
 # elif defined isnan
 #  undef isnanf
 #  define isnanf(x) isnan ((float)(x))
+# else
+   /* Get declaration of isnanf(), if not declared in <math.h>.  */
+#  if defined __sgi
+#   include <ieeefp.h>
+#  endif
 # endif
 #else
 /* Test whether X is a NaN.  */