1.0: library (update PR)

Makefile

@@ -1,22 +1,52 @@
 # settings
-TARGET = example
-CFLAGS = -Wall
+PROJECT = tmatrix
+TARGET = $(PROJECT)_example
+TEST = $(PROJECT)_test
 CC = gcc
-LIBS = -lm
-
+CFLAGS = -Wall
+LDFLAGS = -lm -s
+AR = ar
+RM = rm -f 
 .PHONY: all test
 
 # sources 
-SRC = lib/tmatrix.c lib/tmatrix_calc.c lib/tmatrix_homo.c lib/tmatrix_vec.c \
-      lib/tmatrix_io.c lib/tmatrix_rot.c
-MAIN = example.c $(SRC)
-TEST = tests/tests.c $(SRC)
+OBJL = \
+       src/lib/tmatrix.o \
+       src/lib/tmatrix_calc.o \
+       src/lib/tmatrix_homo.o \
+       src/lib/tmatrix_vec.o \
+       src/lib/tmatrix_io.o \
+       src/lib/tmatrix_rot.o
+OBJM = src/example.o
+OBJT = src/tests/tests.o
 
 # main program
-all: $(MAIN)
-	$(CC) $(CFLAGS) $(MAIN) -o $(TARGET) $(LIBS)
+all: $(TARGET)
+
+$(TARGET): $(OBJM) lib$(PROJECT).a
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@
 
-# build unit tests and run it
 test: $(TEST)
-	$(CC) $(CFLAGS) -g $(TEST) -o $@ $(LIBS)
-	./test
+
+# build unit tests and run it
+$(TEST): $(OBJT) lib$(PROJECT).a
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@
+	./$@
+
+lib$(PROJECT).a: $(OBJL)
+	$(AR) rcs $@ $^
+
+.c.o:
+	$(CC) -c $(CFLAGS) $< -o $@
+
+src/lib/tmatrix.o: src/lib/tmatrix.c
+src/lib/tmatrix_calc.o: src/lib/tmatrix_calc.c
+src/lib/tmatrix_homo.o: src/lib/tmatrix_homo.c
+src/lib/tmatrix_vec.o: src/lib/tmatrix_vec.c
+src/lib/tmatrix_io.o: src/lib/tmatrix_io.c
+src/lib/tmatrix_rot.o: src/lib/tmatrix_rot.c
+src/example.o: src/example.c
+src/tests/tests.o: src/tests/tests.c
+
+clean:
+	$(RM) $(OBJL) $(OBJT) $(OBJM) lib$(PROJECT).a $(TEST) $(TARGET)