# setting /usr/bin/tmux with sgid and proper location of socket
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -32,7 +32,7 @@
 
 PREFIX?= /usr/
 INSTALLDIR= install -d
-INSTALLBIN= install -g bin -o root -m 555
+INSTALLBIN= install -g utmp -o root -m 2755
 INSTALLMAN= install -g bin -o root -m 444
 
 SRCS= $(shell echo *.c|sed 's|osdep-[a-z0-9]*.c||g')
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@
 
 PREFIX?= /usr
 INSTALLDIR= install -d
-INSTALLBIN= install -g bin -o root -m 555
+INSTALLBIN= install -g utmp -o root -m 2755
 INSTALLMAN= install -g bin -o root -m 444
 
 SRCS!= echo *.c|sed 's|osdep-[a-z0-9]*.c||g'
--- a/compat.h
+++ b/compat.h
@@ -25,7 +25,7 @@
 
 #ifndef HAVE_PATHS_H
 #define	_PATH_BSHELL	"/bin/sh"
-#define	_PATH_TMP	"/tmp/"
+#define _PATH_VARRUN    "/var/run/"
 #define _PATH_DEVNULL	"/dev/null"
 #define _PATH_TTY	"/dev/tty"
 #define _PATH_DEV	"/dev/"
--- a/tmux.c
+++ b/tmux.c
@@ -239,7 +239,7 @@
 	u_int		uid;
 
 	uid = getuid();
-	xsnprintf(base, MAXPATHLEN, "%s/tmux-%d", _PATH_TMP, uid);
+	xsnprintf(base, MAXPATHLEN, "%s/%s/%s-%d", _PATH_VARRUN, __progname, __progname, uid);
 
 	if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
 		return (NULL);