objs = $(sources:.c=.o)
headers = $(wildcard *.h)
-CFLAGS=$(shell pkg-config --cflags xcb-composite xcb-damage glib-2.0) -ggdb -W -Wall #-DEFENCE
-LIBS=$(shell pkg-config --libs xcb-composite xcb-damage glib-2.0) #-lefence
+# for profiling
+PFLAGS=-pg -fno-inline
+PLIBS=
+
+# for electric fence
+EFLAGS=-DEFENCE
+ELIBS=-lefence
+
+CFLAGS=$(shell pkg-config --cflags xcb-composite xcb-damage glib-2.0) -ggdb -W -Wall $(PFLAGS)
+LDFLAGS=$(PFLAGS)
+LIBS=$(shell pkg-config --libs xcb-composite xcb-damage glib-2.0) $(PLIBS)
dcompmgr: $(objs)
$(CC) -o $@ $^ $(LIBS) $(LDFLAGS)