From 3a6952a31d14fb53ca8ca409271d2b284c460132 Mon Sep 17 00:00:00 2001
From: Michele Calgaro <michele.calgaro@yahoo.it>
Date: Sat, 31 Jan 2026 21:38:58 +0900
Subject: Remove support for Irix, which is discontinued and does not provide a
 c++17 complaint compiler.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
---
 config.h.cmake         | 3 ---
 tdecore/kpty.cpp       | 6 +-----
 tdecore/tdeprocess.cpp | 4 ----
 tdeprint/fooparser.cpp | 2 +-
 4 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/config.h.cmake b/config.h.cmake
index 7aaf0a23f..1893d8ce3 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -499,9 +499,6 @@
 /* Define to 1 if you have the `setpriority' function. */
 #cmakedefine HAVE_SETPRIORITY 1
 
-/* Define if you have a STL implementation by SGI */
-#undef HAVE_SGI_STL
-
 /* Define if you have the shl_load function. */
 #undef HAVE_SHL_LOAD
 
diff --git a/tdecore/kpty.cpp b/tdecore/kpty.cpp
index cb3cc6b9a..76a84585c 100644
--- a/tdecore/kpty.cpp
+++ b/tdecore/kpty.cpp
@@ -26,10 +26,6 @@
 #include "kpty.h"
 #include "tdeprocess.h"
 
-#ifdef __sgi
-#define __svr4__
-#endif
-
 #ifdef _AIX
 #define _ALL_SOURCE
 #endif
@@ -259,7 +255,7 @@ bool KPty::_attachPty(int pty_master)
 #endif
   }
 
-#if (defined(__svr4__) || defined(__sgi__))
+#if defined(__svr4__)
   // Solaris
   ioctl(d->slaveFd, I_PUSH, "ptem");
   ioctl(d->slaveFd, I_PUSH, "ldterm");
diff --git a/tdecore/tdeprocess.cpp b/tdecore/tdeprocess.cpp
index 185bd5a6f..360fca350 100644
--- a/tdecore/tdeprocess.cpp
+++ b/tdecore/tdeprocess.cpp
@@ -28,10 +28,6 @@
 
 #include <config.h>
 
-#ifdef __sgi
-#define __svr4__
-#endif
-
 #ifdef _AIX
 #define _ALL_SOURCE
 #endif
diff --git a/tdeprint/fooparser.cpp b/tdeprint/fooparser.cpp
index 23dd22dd2..91cf391f7 100644
--- a/tdeprint/fooparser.cpp
+++ b/tdeprint/fooparser.cpp
@@ -220,7 +220,7 @@ static const short yycheck[] = {     4,
 #define YYSTACK_USE_ALLOCA
 #define alloca __builtin_alloca
 #else /* not GNU C.  */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
+#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || (defined (__sun) && defined (__i386))
 #define YYSTACK_USE_ALLOCA
 #include <alloca.h>
 #else /* not sparc */
-- 
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