From a6648d4102f6fea171dcf3598c412b3842f2b84b Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 22 Sep 2023 10:05:58 -0700
Subject: [PATCH] maint: omit some unused function tests

* m4/jm-macros.m4: Do not check for ftruncate, iswspace,
mkfifo, mbrlen, sysctl.  Coreutils no longer uses the
corresponding HAVE_* macros, typically because Gnulib
handles them now.
* src/wc.c (iswspace): Remove; unused.
---
 m4/jm-macros.m4 | 7 +------
 src/wc.c        | 5 -----
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 84c1209af..350964f0e 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -1,4 +1,4 @@
-#serial 114   -*- autoconf -*-
+#serial 115   -*- autoconf -*-
 
 dnl Misc type-related macros for coreutils.
 
@@ -67,16 +67,11 @@ AC_DEFUN([coreutils_MACROS],
     fallocate
     fchown
     fchmod
-    ftruncate
-    iswspace
-    mkfifo
-    mbrlen
     setgroups
     sethostname
     siginterrupt
     sync
     syncfs
-    sysctl
     sysinfo
     tcgetpgrp
   ])
diff --git a/src/wc.c b/src/wc.c
index c0b37b557..341ff9c7d 100644
--- a/src/wc.c
+++ b/src/wc.c
@@ -36,11 +36,6 @@
 #include "stat-size.h"
 #include "xbinary-io.h"
 
-#if !defined iswspace && !HAVE_ISWSPACE
-# define iswspace(wc) \
-    ((wc) == to_uchar (wc) && isspace (to_uchar (wc)))
-#endif
-
 /* The official name of this program (e.g., no 'g' prefix).  */
 #define PROGRAM_NAME "wc"
 
-- 
2.11.4.GIT