Add PATHRUN. Use PATH and PATHRUN instead of absolute path for some files (pidfile, script)

Makefile.am

@@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I config
 sbin_SCRIPTS = vrrp_switch.sh
 EXTRA_DIST = vrrp_switch.sh
 
-AM_CPPFLAGS = $(DEBUG_OPTS) -DPATH="$(sbindir)"
+AM_CPPFLAGS = $(DEBUG_OPTS) -DPATH="$(sbindir)" -DPATHRUN="$(localestatedir)/run"
 
 AM_CFLAGS = -Wall -W -Werror
 

uvrrpd.h

@@ -24,7 +24,7 @@
 
 #include "bits.h"
 
-#define PIDFILE_NAME	"/var/run/uvrrpd_%d.pid"
+#define PIDFILE_NAME	stringify(PATHRUN) "/uvrrpd_%d.pid"
 
 /** 
  * uvrrpd_control

vrrp_options.c

@@ -58,9 +58,9 @@ static void vrrp_usage(void)
 		"  -6, --ipv6                IPv6 support, (only in VRRPv3)\n"
 		"  -a, --auth pass           Simple text password (only in VRRPv2)\n"
 		"  -f, --foreground          Execute uvrrpd in foreground\n"
-		"  -s, --script              Path of hook script (default /etc/uvrrpd/uvrrpd-switch.sh)\n"
+		"  -s, --script              Path of hook script (default "stringify(PATH)"/vrrp-switch.sh)\n"
 		"  -F  --pidfile name        Create pid file 'name'\n"
-		"                            Default /var/run/uvrrp_${vrid}.pid\n"
+		"                            Default "stringify(PATHRUN)"/uvrrp_${vrid}.pid\n"
 		"  -d, --debug\n" "  -h, --help\n");
 }