From 3d208c3135e0487f2ef196375a8a3ff28f4dde1b Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Mon, 21 Nov 2022 16:51:40 +0100
Subject: [PATCH] [headers] Check for sys/kd.h

---
 config2.h.in        | 3 +++
 configure.ac        | 1 +
 meson.build         | 4 ++++
 src/intl/charsets.c | 3 +++
 4 files changed, 11 insertions(+)

diff --git a/config2.h.in b/config2.h.in
index 21979ce3..09774a4b 100644
--- a/config2.h.in
+++ b/config2.h.in
@@ -728,6 +728,9 @@
 /* Define to 1 if you have the <sys/ioctl.h> header file. */
 #mesondefine HAVE_SYS_IOCTL_H
 
+/* Define to 1 if you have the <sys/kd.h> header file */
+#mesondefine HAVE_SYS_KD_H
+
 /* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
    */
 #mesondefine HAVE_SYS_NDIR_H
diff --git a/configure.ac b/configure.ac
index 24ce199f..b00bf12d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,6 +217,7 @@ AC_CHECK_HEADERS(ifaddrs.h)
 AC_CHECK_HEADERS(sys/cygwin.h io.h)
 AC_CHECK_HEADERS(sys/fmutex.h)
 AC_CHECK_HEADERS(sys/ioctl.h sys/sockio.h)
+AC_CHECK_HEADERS(sys/kd.h)
 AC_CHECK_HEADERS(sys/resource.h)
 AC_CHECK_HEADERS(sys/select.h)
 AC_CHECK_HEADERS(sys/socket.h)
diff --git a/meson.build b/meson.build
index 116dc3c4..97278a44 100644
--- a/meson.build
+++ b/meson.build
@@ -227,6 +227,10 @@ if compiler.has_header('sys/ioctl.h')
     conf_data.set('HAVE_SYS_IOCTL_H', 1)
 endif
 
+if compiler.has_header('sys/kd.h')
+    conf_data.set('HAVE_SYS_KD_H', 1)
+endif
+
 if compiler.has_header('sys/sockio.h')
    conf_data.set('HAVE_SYS_SOCKIO_H', 1)
 endif
diff --git a/src/intl/charsets.c b/src/intl/charsets.c
index cb722cec..865019de 100644
--- a/src/intl/charsets.c
+++ b/src/intl/charsets.c
@@ -30,7 +30,10 @@
 #endif
 
 #include <sys/ioctl.h>
+
+#ifdef HAVE_SYS_KD_H
 #include <sys/kd.h>
+#endif
 
 #include "elinks.h"