my template makefile

makefile

.POSIX:
.SUFFIXES:

CC = gcc
LIB_CFLAGS = -pedantic -Wall -Wextra -fPIC
LIB_CFLAGS += -DFORTIFY_SOURCE=2 -fstack-protector-strong
LIB_LDFLAGS = -shared -fPIC -Wl,-z,relro,-z,now

BIN_CFLAGS = -pedantic -Wall -Wextra -fPIE
BIN_CFLAGS += -DFORTIFY_SOURCE=2 -fstack-protector-strong
BIN_LDFLAGS = -L. -fPIE -Wl,-z,relro,-z,now

all: lib bin

lib: foo.o
	$(CC) -o foo.so $(LIB_CFLAGS) $^ $(LIB_LDFLAGS)

bin: main.o
	$(CC) -o foo $(BIN_CFLAGS) $^ $(BIN_LDFLAGS)

main.o: main.c
	$(CC) -c $(BIN_CFLAGS) $<

debug: LIB_CFLAGS += -DDEBUG -g3 -fsanitize=address -fno-omit-frame-pointer
debug: LIB_LDFLAGS += -static-libasan 

debug: BIN_CFLAGS += -DDEBUG -g3 -fsanitize=address -fno-omit-frame-pointer
debug: BIN_LDFLAGS += -lasan
#debug: LIB_CFLAGS += -DDEBUG -g3 -fsanitize=thread -fno-omit-frame-pointer
#debug: LIB_LDFLAGS += -DDEBUG -ltsan
debug: all

test: debug
	CC=$(CC) ./test.sh

clean:
	rm -f *.o *.so *.gcov *.gcda *.gcno foo; \
	find ./test ! -name '*.c' -type f -exec rm -f {} +

.SUFFIXES: .c .o
.c.o:
	$(CC) -c $(LIB_CFLAGS) $<