From 15e6848716a0a61333b3280be709ea39e2ad810f Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Sun, 2 Apr 2023 04:53:11 +0300
Subject: [PATCH] build on IRIX

---
 configure        |  7 ++++++-
 src/dev_usb.c    |  2 ++
 src/dummy_usb.c  |  4 ----
 src/proto.h      |  6 ++++++
 src/proto_unix.c |  3 +++
 src/xdetect.c    | 44 ++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 61 insertions(+), 5 deletions(-)
 create mode 100644 src/xdetect.c

diff --git a/configure b/configure
index 2b77b0a..5abad3b 100755
--- a/configure
+++ b/configure
@@ -138,6 +138,8 @@ echo ""
 
 HAVE_ALLOCA_H=`check_header alloca.h`
 HAVE_MALLOC_H=`check_header malloc.h`
+HAVE_STDINT_H=`check_header stdint.h`
+HAVE_INTTYPES_H=`check_header inttypes.h`
 
 if [ "$X11" = "no" ]; then
 	echo "WARNING: you have disabled the X11 interface, the resulting daemon \
@@ -169,13 +171,14 @@ if [ "$OPT" = 'yes' ]; then
 fi
 
 if [ "$X11" = 'yes' ]; then
-	echo 'xlib = -L/usr/X11/lib -lX11' >>Makefile
+	echo 'xlib = -L/usr/X11/lib' >>Makefile
 	if [ -n "$HAVE_XINPUT2_H" ]; then
 		echo 'xlib += -lXi' >>Makefile
 	fi
 	if [ -n "$HAVE_XTEST_H" ]; then
 		echo xlib += -lXtst >>Makefile
 	fi
+	echo 'xlib += -lX11 -lXext' >>Makefile
 fi
 
 if [ -n "$CFLAGS" ]; then
@@ -209,6 +212,8 @@ echo >>$cfgheader
 # check for alloca.h
 [ -n "$HAVE_ALLOCA_H" ] && echo $HAVE_ALLOCA_H >>$cfgheader
 [ -n "$HAVE_MALLOC_H" ] && echo $HAVE_MALLOC_H >>$cfgheader
+[ -n "$HAVE_STDINT_H" ] && echo $HAVE_STDINT_H >>$cfgheader
+[ -n "$HAVE_INTTYPES_H" ] && echo $HAVE_INTTYPES_H >>$cfgheader
 [ -n "$HAVE_XINPUT2_H" ] && echo $HAVE_XINPUT2_H >>$cfgheader
 [ -n "$HAVE_XTEST_H" ] && echo $HAVE_XTEST_H >>$cfgheader
 echo >>$cfgheader
diff --git a/src/dev_usb.c b/src/dev_usb.c
index 245b1c9..13331eb 100644
--- a/src/dev_usb.c
+++ b/src/dev_usb.c
@@ -15,6 +15,8 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#include "config.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/dummy_usb.c b/src/dummy_usb.c
index bf39b39..efee065 100644
--- a/src/dummy_usb.c
+++ b/src/dummy_usb.c
@@ -31,10 +31,6 @@ struct usb_dev_info *find_usb_devices(int (*match)(const struct usb_dev_info*))
 	return 0;
 }
 
-void free_usb_devices_list(struct usb_dev_info *list)
-{
-}
-
 int open_dev_usb(struct device *dev)
 {
 	return -1;
diff --git a/src/proto.h b/src/proto.h
index 5b2a712..c61c3a9 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -1,7 +1,13 @@
 #ifndef PROTO_H_
 #define PROTO_H_
 
+#include "config.h"
+
+#ifdef HAVE_STDINT_H_
 #include <stdint.h>
+#elif defined(HAVE_INTTYPES_H_)
+#include <inttypes.h>
+#endif
 
 /* maximum supported protocol version */
 #define MAX_PROTO_VER	1
diff --git a/src/proto_unix.c b/src/proto_unix.c
index 2681785..3caa484 100644
--- a/src/proto_unix.c
+++ b/src/proto_unix.c
@@ -34,6 +34,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "kbemu.h"
 #endif
 
+#ifndef isfinite
+#define isfinite(x)	(!isnan(x))
+#endif
 
 static int lsock = -1;
 
diff --git a/src/xdetect.c b/src/xdetect.c
new file mode 100644
index 0000000..8f3b261
--- /dev/null
+++ b/src/xdetect.c
@@ -0,0 +1,44 @@
+/*
+spacenavd - a free software replacement driver for 6dof space-mice.
+Copyright (C) 2007-2023 John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* this must be the inverse of all the other xdetect_*.c ifdefs */
+#if !defined(__linux__) && !defined(__FreeBSD__) && !defined(__APPLE__)
+#include <sys/select.h>
+#include "xdetect.h"
+
+int xdet_start(void)
+{
+	return -1;
+}
+
+void xdet_stop(void)
+{
+}
+
+int xdet_get_fd(void)
+{
+	return -1;
+}
+
+int handle_xdet_events(fd_set *rset)
+{
+	return -1;
+}
+#else
+int spacenav_xdetect_none_shut_up_empty_source_warning;
+#endif