diff --git a/Makefile b/Makefile
index 5219461..0cbcc26 100644
--- a/Makefile
+++ b/Makefile
@@ -3,13 +3,18 @@ VERSION	= 0.0.2
 SUBDIRS	= data src tools
 RM	= rm -f
 LN	= ln -f
-TAR	= tar -czvf
+TAR	= tar
+MKDIR	= mkdir -m 0755 -p
 
 
 all: subdirs
 
 subdirs:
-	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE)) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && \
+		if [ -n "$(OBJDIR)" ]; then \
+		([ -d "$(OBJDIR)$$i" ] || $(MKDIR) -- "$(OBJDIR)$$i") && \
+		$(MAKE) OBJDIR="$(OBJDIR)$$i/"; \
+		else $(MAKE); fi) || exit; done
 
 clean:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) clean) || exit; done
@@ -18,9 +23,9 @@ distclean:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) distclean) || exit; done
 
 dist:
-	$(RM) -r -- $(PACKAGE)-$(VERSION)
-	$(LN) -s -- . $(PACKAGE)-$(VERSION)
-	@$(TAR) $(PACKAGE)-$(VERSION).tar.gz -- \
+	$(RM) -r -- $(OBJDIR)$(PACKAGE)-$(VERSION)
+	$(LN) -s -- "$$PWD" $(OBJDIR)$(PACKAGE)-$(VERSION)
+	@cd $(OBJDIR). && $(TAR) -czvf $(OBJDIR)$(PACKAGE)-$(VERSION).tar.gz -- \
 		$(PACKAGE)-$(VERSION)/data/Makefile \
 		$(PACKAGE)-$(VERSION)/data/Probe.interface \
 		$(PACKAGE)-$(VERSION)/data/project.conf \
@@ -40,7 +45,18 @@ dist:
 		$(PACKAGE)-$(VERSION)/COPYING \
 		$(PACKAGE)-$(VERSION)/config.h \
 		$(PACKAGE)-$(VERSION)/project.conf
-	$(RM) -- $(PACKAGE)-$(VERSION)
+	$(RM) -- $(OBJDIR)$(PACKAGE)-$(VERSION)
+
+distcheck: dist
+	$(TAR) -xzvf $(OBJDIR)$(PACKAGE)-$(VERSION).tar.gz
+	$(MKDIR) -- $(PACKAGE)-$(VERSION)/objdir
+	$(MKDIR) -- $(PACKAGE)-$(VERSION)/destdir
+	(cd "$(PACKAGE)-$(VERSION)" && $(MAKE) OBJDIR="$$PWD/objdir/")
+	(cd "$(PACKAGE)-$(VERSION)" && $(MAKE) OBJDIR="$$PWD/objdir/" DESTDIR="$$PWD/destdir" install)
+	(cd "$(PACKAGE)-$(VERSION)" && $(MAKE) OBJDIR="$$PWD/objdir/" DESTDIR="$$PWD/destdir" uninstall)
+	(cd "$(PACKAGE)-$(VERSION)" && $(MAKE) OBJDIR="$$PWD/objdir/" distclean)
+	(cd "$(PACKAGE)-$(VERSION)" && $(MAKE) dist)
+	$(RM) -r -- $(PACKAGE)-$(VERSION)
 
 install:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) install) || exit; done
@@ -48,4 +64,4 @@ install:
 uninstall:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) uninstall) || exit; done
 
-.PHONY: all subdirs clean distclean dist install uninstall
+.PHONY: all subdirs clean distclean dist distcheck install uninstall
diff --git a/data/Makefile b/data/Makefile
index 428868e..8349f1c 100644
--- a/data/Makefile
+++ b/data/Makefile
@@ -1,3 +1,4 @@
+OBJDIR	=
 PREFIX	= /usr/local
 DESTDIR	=
 MKDIR	= mkdir -m 0755 -p
diff --git a/src/Makefile b/src/Makefile
index 4dfb9c8..ba131de 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,5 @@
-TARGETS	= ../data/Probe.h Probe DaMon
+TARGETS	= $(OBJDIR)../data/Probe.h $(OBJDIR)Probe $(OBJDIR)DaMon
+OBJDIR	=
 PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
@@ -18,28 +19,28 @@ INSTALL	= install
 
 all: $(TARGETS)
 
-../data/Probe.h: ../data/Probe.interface
-	./appbroker.sh -P "$(PREFIX)" -- "../data/Probe.h"
+$(OBJDIR)../data/Probe.h: ../data/Probe.interface
+	./appbroker.sh -P "$(PREFIX)" -- "$(OBJDIR)../data/Probe.h"
 
-Probe_OBJS = probe.o
+Probe_OBJS = $(OBJDIR)probe.o
 Probe_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
 Probe_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) -Wl,--export-dynamic
 
-Probe: $(Probe_OBJS)
-	$(CC) -o Probe $(Probe_OBJS) $(Probe_LDFLAGS)
+$(OBJDIR)Probe: $(Probe_OBJS)
+	$(CC) -o $(OBJDIR)Probe $(Probe_OBJS) $(Probe_LDFLAGS)
 
-DaMon_OBJS = damon.o
+DaMon_OBJS = $(OBJDIR)damon.o
 DaMon_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
 DaMon_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
 
-DaMon: $(DaMon_OBJS)
-	$(CC) -o DaMon $(DaMon_OBJS) $(DaMon_LDFLAGS)
+$(OBJDIR)DaMon: $(DaMon_OBJS)
+	$(CC) -o $(OBJDIR)DaMon $(DaMon_OBJS) $(DaMon_LDFLAGS)
 
-probe.o: probe.c ../data/Probe.h ../config.h
-	$(CC) $(Probe_CFLAGS) -c probe.c
+$(OBJDIR)probe.o: probe.c ../data/Probe.h ../config.h
+	$(CC) $(Probe_CFLAGS) -o $(OBJDIR)probe.o -c probe.c
 
-damon.o: damon.c ../config.h
-	$(CC) $(DaMon_CFLAGS) -c damon.c
+$(OBJDIR)damon.o: damon.c ../config.h
+	$(CC) $(DaMon_CFLAGS) -o $(OBJDIR)damon.o -c damon.c
 
 clean:
 	$(RM) -- $(../data/Probe.h_OBJS) $(Probe_OBJS) $(DaMon_OBJS)
@@ -50,9 +51,9 @@ distclean: clean
 
 install: $(TARGETS)
 	$(MKDIR) $(DESTDIR)$(BINDIR)
-	$(INSTALL) -m 0755 Probe $(DESTDIR)$(BINDIR)/Probe
+	$(INSTALL) -m 0755 $(OBJDIR)Probe $(DESTDIR)$(BINDIR)/Probe
 	$(MKDIR) $(DESTDIR)$(BINDIR)
-	$(INSTALL) -m 0755 DaMon $(DESTDIR)$(BINDIR)/DaMon
+	$(INSTALL) -m 0755 $(OBJDIR)DaMon $(DESTDIR)$(BINDIR)/DaMon
 
 uninstall:
 	$(RM) -- $(DESTDIR)$(BINDIR)/Probe