makefile

来自「linniux编程bible一书的源码」· 代码 · 共 70 行

#
# These are the options that may need tweaking

OTHERS = 
OTHERDEPS = 
DIRS = 

# You can modify the below as well, but probably
# won't need to.
#

# CC is for the name of the C compiler. CPPFLAGS denotes pre-processor
# flags, such as -I options. CFLAGS denotes flags for the C compiler.
# CXXFLAGS denotes flags for the C++ compiler. You may add additional
# settings here, such as PFLAGS, if you are using other languages such
# as Pascal.

SRCS := $(wildcard *.c) $(wildcard *.cc) $(wildcard *.C)
OBJS := $(patsubst %.c,%.o,$(wildcard *.c)) \
    $(patsubst %.cc,%.o,$(wildcard *.cc)) \
    $(patsubst %.C,%.o,$(wildcard *.C))
DEPS := $(patsubst %.o,%.d,$(OBJS)) $(OTHERDEPS)

# "all" is the default target. Simply make it point to myprogram.

all: $(OBJS) $(OTHERS) $(DIRS)

#$(DIRS):
#	$(MAKE) -C $<

# Define the components of the program, and how to link them together.
# These components are defined as dependencies; that is, they must be
# made up-to-date before the code is linked.

# Specify that the dependency files depend on the C source files.

%.d: %.c
	$(CC) -M $(CPPFLAGS) $< > $@
	$(CC) -M $(CPPFLAGS) $< | sed s/\\.o/.d/ >> $@

%.d: %.cc
	$(CXX) -M $(CPPFLAGS) $< > $@
	$(CXX) -M $(CPPFLAGS) $< | sed s/\\.o/.d/ >> $@

%.d: %.C
	$(CXX) -M $(CPPFLAGS) $< > $@
	$(CXX) -M $(CPPFLAGS) $< | sed s/\\.o/.d/ >> $@

%.d: %.mac
	cpp -M $< | sed s/\\.mac\\.o/.html/ > $@
	cpp -M $< | sed s/\\.mac\\.o/.d/ >> $@

%.html: %.mac
	cpp -P < $< > $@

clean:
	-rm $(OBJS) $(EXECUTABLE) $(DEPS) $(OTHERS) *~
	

explain:
	@echo "The following information represents your program:"
	@echo "Other generated files: $(OTHERS)"
	@echo "Source files:     $(SRCS)"
	@echo "Object files:     $(OBJS)"
	@echo "Dependency files:   $(DEPS)"

depend: $(DEPS)

-include $(DEPS)