From: Bruno Haible <bruno@clisp.org>
Date: Wed, 10 Sep 2025 20:59:33 +0000 (+0200)
Subject: isfinite: Remove support for IRIX.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=388af4ea263020dad6814c017de82ce13e97407d;p=thirdparty%2Fgnulib.git

isfinite: Remove support for IRIX.

* m4/isfinite.m4 (gl_ISFINITEL_WORKS): Remove code for IRIX.
---

diff --git a/ChangeLog b/ChangeLog
index c19feae754..faf70183e3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2025-09-10  Bruno Haible  <bruno@clisp.org>
 
+	isfinite: Remove support for IRIX.
+	* m4/isfinite.m4 (gl_ISFINITEL_WORKS): Remove code for IRIX.
+
 	ilogbl: Remove support for IRIX.
 	* m4/ilogbl.m4 (gl_FUNC_ILOGBL_WORKS): Remove code for IRIX. Remove IRIX
 	<float.h> workaround.
diff --git a/m4/isfinite.m4 b/m4/isfinite.m4
index 56d9b72ee9..af3cf73ca6 100644
--- a/m4/isfinite.m4
+++ b/m4/isfinite.m4
@@ -1,5 +1,5 @@
 # isfinite.m4
-# serial 20
+# serial 21
 dnl Copyright (C) 2007-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -61,17 +61,7 @@ AC_DEFUN([gl_ISFINITEL_WORKS],
   ((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
 typedef union { unsigned int word[NWORDS]; long double value; }
         memory_long_double;
-/* On Irix 6.5, gcc 3.4.3 can't compute compile-time NaN, and needs the
-   runtime type conversion.  */
-#ifdef __sgi
-static long double NaNl ()
-{
-  double zero = 0.0;
-  return zero / zero;
-}
-#else
-# define NaNl() (0.0L / 0.0L)
-#endif
+#define NaNl() (0.0L / 0.0L)
 int main ()
 {
   int result = 0;