- Add libpidutil as submodule for easier building

- Fix build on FreeBSD

Makefile

@@ -1,20 +1,27 @@
-PREFIX?=/usr/local
-INC=-I$(PREFIX)/include
-LIB=-L$(PREFIX)/lib -lpidutil -lpthread
-CFLAGS=-Wall -Wextra -g -O2 -pipe -funroll-loops -ffast-math -fno-strict-aliasing
 CC?=cc
+PREFIX?=/usr/local
+INC=-I./libpidutil -I$(PREFIX)/include
+LDFLAGS=-L./libpidutil -L$(PREFIX)/lib -lpidutil -lpthread
+CFLAGS=-Wall -Wextra -g -O2 -static -pipe -funroll-loops -ffast-math -fno-strict-aliasing
 
+SUBDIRS = libpidutil
 PROGS = fsipd logfile_test
 CFILES = fsipd.c logfile.c
 
-all: fsipd
+all: $(SUBDIRS) fsipd
 
 fsipd: $(CFILES)
-	$(CC) $(CFLAGS) $(INC) $(LIB) $(CFILES) -o fsipd
+	$(CC) $(CFLAGS) $(INC) $(CFILES) $(LDFLAGS) -o fsipd
+
+.PHONY: $(SUBDIRS)
+
+$(SUBDIRS):
+	$(MAKE) -C $@ all
 
 test: logfile.c logfile_test.c
-	$(CC) $(CFLAGS) $(INC) $(LIB) logfile.c logfile_test.c -o logfile_test
+	$(CC) $(CFLAGS) $(INC) $(LDFLAGS) logfile.c logfile_test.c -o logfile_test
 
 clean:
 	rm -f *.BAK *.log *.o *.a a.out core temp.* $(PROGS)
 	rm -fr *.dSYM
+	$(MAKE) -C libpidutil clean