CC         = clang
MAKEDEPEND = $(CC) -MM -MG
CPROTO     = cproto
GNUPLOT    = gnuplot

LDFLAGS = -O0 -g #-fsanitize=undefined -fsanitize=address
CPFLAGS = 

ifeq ($(CC), clang)
  CFLAGS  = -Weverything -Wextra -pedantic $(LDFLAGS)
else
  CFLAGS  = -Wextra -pedantic $(LDFLAGS)
endif

LDLIBS  = -lm

.SUFFIXES:
.SUFFIXES:  .o .d .h .c

%.o : %.c
	$(CC) -c $(CFLAGS) $<

%.h : %.c
	$(CPROTO) $(CPFLAGS) $< -o $@

%.d : %.c
	$(MAKEDEPEND) $< -MF $@

PROG = kahan-challenge1
OBJS = $(PROG).o
SRCS = $(OBJS:.o=.c)
HDRS = $(OBJS:.o=.h)
DEPS = $(OBJS:.o=.d)

all: $(PROG)

-include $(DEPS)

.PHONY: clean

clean:
	rm -f $(PROG) $(OBJS) $(HDRS) $(DEPS)