gcc -c -fpic -I include src/util.c # generate util.o
gcc -c -fpic -I include src/temp.c # generate temp.o
gcc -shared -o lib/libhello.so util.o temp.o # generate dynamic library libhello.so
gcc -o hello.e -I include src/main.c -L lib -lhello # compile main.c using dynamic library
		

# makefile
VPATH = src:include
SRC = src
LIB = lib
CFLAGS = -I include
objects = main.c util.o temp.o libhello.so
cc = gcc
hello.e: $(objects)
	$(cc) -o hello.e $(CFLAGS) $< -L $(LIB) -lhello
libhello.so: util.o temp.o
	$(cc) -shared -o $(LIB)/libhello.so $^
temp.o: temp.c temp.h
	$(cc) -c -fpic $(CFLAGS) $< -o $@
util.o: util.c util.h
	$(cc) -c -fpic $(CFLAGS) $< -o $@
.PHONY: clean
clean: # no dependencies, not implemented automatically
	rm -f *.o *.e *~ $(LIB)/*.so
		

gcc -c -I include src/util.c # generate util.o
gcc -c -I include src/temp.c # generate temp.o
ar rcs lib/libhello.a util.o temp.o # generate static library libhello.a
gcc -o hello.e src/main.c -I include -L lib -lhello # compile main.c using static library
		

# makefile
VPATH = src:include
SRC = src
LIB = lib
CFLAGS = -I include
objects = main.c util.o temp.o libhello.a
cc = gcc
hello.e: $(objects)
	$(cc) -o hello.e $(CFLAGS) $< -L $(LIB) -lhello
libhello.a: util.o temp.o
	ar rcs $(LIB)/libhello.a $^
temp.o: temp.c temp.h
	$(cc) -c $(CFLAGS) $< -o $@
util.o: util.c util.h
	$(cc) -c $(CFLAGS) $< -o $@
.PHONY: clean
clean: # no dependencies, not implemented automatically
	rm -f *.o *.e *~ $(LIB)/*.a