diff --git a/Makefile b/Makefile
index 2f08a51..d2c3eca 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
-PREFIX=/usr/local
+PREFIX?=/usr/local
 INC=-I$(PREFIX)/include
 LIB=-L$(PREFIX)/lib -L. -lpidfile
-CFLAGS=-Wall -g -O2 -pipe -funroll-loops -ffast-math -fno-strict-aliasing
+CFLAGS=-Wall -Wextra -g -O2 -pipe -funroll-loops -ffast-math -fno-strict-aliasing
 CC?=cc
 AR?=AR
 RANLIB?=ranlib
@@ -20,5 +20,5 @@ fsipd: fsipd.c $(LIBPIDFILE)
 	$(CC) $(CFLAGS) $(INC) $(LIB) fsipd.c -o fsipd
 
 clean:
-	rm -f *.o a.out core temp.* $(LIBPIDFILE) $(PROGS)
+	rm -f *.o *.a a.out core temp.* $(LIBPIDFILE) $(PROGS)
 	rm -fr *.dSYM
\ No newline at end of file
diff --git a/fsipd.c b/fsipd.c
index d4fca6d..57af751 100644
--- a/fsipd.c
+++ b/fsipd.c
@@ -32,6 +32,7 @@
 #include <sys/socket.h>
 #include <netdb.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 
 #include <err.h>
 #include <errno.h>
@@ -89,12 +90,8 @@ process_request(char *str)
 {
 	/* check input str for SIP requests */
 
-	/*
-	 * TODO: log connection info including SRC/DST IP, SRC/DST PORT,
-	 * Timestamp and Message Type in CSV Format
-	 */
-
-	syslog(LOG_ALERT, "incoming packet: %s\n", str);
+	syslog(LOG_ALERT, "sip: %s, sport: %d, payload: \"%s\"\n",
+		inet_ntoa(sa.sin_addr), ntohs(sa.sin_port), str);
 }
 
 /*
@@ -208,7 +205,7 @@ daemon_start()
 }
 
 int
-main(int argc, char *argv[])
+main(void)
 {
 	return (daemon_start());
 }
diff --git a/pidfile.c b/pidfile.c
index 48d3271..9e44eeb 100644
--- a/pidfile.c
+++ b/pidfile.c
@@ -125,7 +125,8 @@ struct pidfh *pidfile_open(const char *path, mode_t mode, pid_t *pidptr)
 	struct pidfh *pfh;
 	struct timespec rqtp;
 	struct stat sb;
-	int len, fd, error, count;
+	size_t len;
+	int  fd, error, count;
 
 	pfh = malloc(sizeof(*pfh));
 	if (pfh == NULL) return NULL;