From: Bruno Haible <bruno@clisp.org>
Date: Wed, 10 Sep 2025 21:01:42 +0000 (+0200)
Subject: nan: Remove support for IRIX.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c09cd4c97e256ef0de734cc9fdfe3802d3beb916;p=thirdparty%2Fgnulib.git

nan: Remove support for IRIX.

* lib/nan.h (NaNl): Remove code for IRIX.
---

diff --git a/ChangeLog b/ChangeLog
index c109e4127e..a1297c554c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2025-09-10  Bruno Haible  <bruno@clisp.org>
 
+	nan: Remove support for IRIX.
+	* lib/nan.h (NaNl): Remove code for IRIX.
+
 	logbl: Remove support for IRIX.
 	* m4/logbl.m4 (gl_FUNC_LOGBL_WORKS): Remove IRIX <float.h> workaround.
 
diff --git a/lib/nan.h b/lib/nan.h
index e22ff9f9ba..db3d960a8e 100644
--- a/lib/nan.h
+++ b/lib/nan.h
@@ -71,22 +71,14 @@ NaNd ()
 
 /* NaNl () returns a 'long double' not-a-number.  */
 
-/* On Irix 6.5, gcc 3.4.3 can't compute compile-time NaN, and needs the
-   runtime type conversion.
-   The Microsoft MSVC 9 compiler chokes on the expression 0.0L / 0.0L.
+/* The Microsoft MSVC 9 compiler chokes on the expression 0.0L / 0.0L.
    The IBM XL C compiler on z/OS complains.
    PGI 16.10 complains.
    Avoid possible incorrect constant-folding on mips.  */
-#ifdef __sgi
-static long double NaNl ()
-{
-  double zero = 0.0;
-  return zero / zero;
-}
-#elif (defined _MSC_VER \
-       || (defined __MVS__ && defined __IBMC__) \
-       || defined __PGI \
-       || defined __mips__)
+#if (defined _MSC_VER \
+     || (defined __MVS__ && defined __IBMC__) \
+     || defined __PGI \
+     || defined __mips__)
 static long double
 NaNl ()
 {