From 9072e81a2d4e982f5c227b4c68db3bc401763e3d Mon Sep 17 00:00:00 2001
From: "D. Bohdan" <dbohdan@dbohdan.com>
Date: Sun, 4 Jun 2023 21:02:17 +0000
Subject: [PATCH] ckAppInit: remove Sun hack blocking glibc build

From matherr(3):

> Note: the mechanism described in this page is no longer supported
> by glibc.  Before glibc 2.27, it had been marked as obsolete.
> Since glibc 2.27, the mechanism has been removed
> altogether.  [...]
---
 ckAppInit.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/ckAppInit.c b/ckAppInit.c
index 35d73cc..b75874a 100644
--- a/ckAppInit.c
+++ b/ckAppInit.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * ckAppInit.c --
  *
  *	Provides a default version of the Tcl_AppInit procedure for
@@ -14,15 +14,6 @@
 
 #include "ck.h"
 
-/*
- * The following variable is a special hack that is needed in order for
- * Sun shared libraries to be used for Tcl.
- */
-
-#ifndef __WIN32__
-extern int matherr();
-int *tclDummyMathPtr = (int *) matherr;
-#endif
 
 /*
  *----------------------------------------------------------------------