diff --git a/Makefile b/Makefile
index f1c4892..0b681b0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,26 +1,64 @@
 build_dir?=build
 src_dir?=src
+tst_dir?=tst
+install_dir?=install
+
+bins?= \
+	01-main \
+	02-switch \
+	03-equity \
+	11-join \
+	12-join-main \
+	21-create-many \
+	22-create-many-recursive \
+	23-create-many-once \
+	31-switch-many \
+	32-switch-many-join \
+	33-switch-many-cascade \
+	51-fibonacci \
+	61-mutex \
+	62-mutex \
+	71-preemption \
+	81-deadlock
+
+bins_target=$(addprefix ${build_dir}/,${bins})
 
 src_dirs=$(sort $(dir $(wildcard ${src_dir}/**/)))
 includes=$(patsubst %,-I%,${src_dirs})
-CFLAGS+=-g -O0 -std=c99 ${includes}
+CFLAGS+=-g -O0 -std=c99 ${includes} -lpthread
 LDFLAGS+=
 
 srcs+=$(wildcard ${src_dir}/*.c ${src_dir}/**/*.c)
-objs+=$(patsubst ${src_dir}/%.c,${build_dir}/%.o,${srcs})
+objs+=$(patsubst %.c,${build_dir}/%.o,${srcs})
 
 .PHONY: all
 all: build
 
-.PHONY: build
-build: main
+.PHONY: install
+install: build
+	true
 
-main: ${objs}
+.PHONY: graphs
+graphs:
+	true
+
+.PHONY: valgrind
+valgrind: build
+	valgrind --leak-check=full --show-reachable=yes --track-origins=yes
+
+.PHONY: build
+build: ${bins_target}
+
+.PHONY: check
+check:
+	true
+
+${bins_target}: ${build_dir}/%: ${objs} ${build_dir}/${tst_dir}/%.o
 	${CC} -o $@ $^ ${CFLAGS} ${LDFLAGS}
 
-${build_dir}/%.o: ${src_dir}/%.c
+${build_dir}/%.o: %.c
 	@mkdir -p $(dir $@)
-	${CC} -c -o $@ $^ ${CFLAGS}
+	${CC} -o $@ -c $^ ${CFLAGS}
 
 .PHONY: compile_flags.txt
 compile_flags.txt: