通用Makefile及实例

实现的功能：

make——编译和连接程序。

make objs——编译程序，生成目标文件。

make clean——清除编译产生的目标文件（*.o）和依赖文件（*.d）

make cleanall——清除目标文件（*.o）、依赖文件（*.d）和可执行文件（*.exe）

make rebuild——重新编译连接程序，相当于make clean &&make

usage：

makefile源**。

# gneric c/c++ makefile

program :=

srcdirs :=

srcexts :=

cppflags :=

cflags :=

cflags +=

cxxflags :=

cxxflags +=

ldflags :=

ldflags +=

shell = bin/sh

sources = foreach d,$(srcdirs),$wildcard $(addprefix $(d)/*srcexts)))

objs = foreach x,$(srcexts),\

(patsubst %$x),%o,$(filter %$x),$sources)))

deps = patsubst %.o,%.d,$(objs))

phony: all objs clean cleanall rebuild

all : program)

.d : c

$(cc) -mm -md $(cflags) lt;

.d : c

$(cc) -mm -md $(cxxflags) lt;

objs : objs)

.o : c

(cc) -c $(cppflags) $cflags) lt;

.o : cpp

(cxx) -c $(cppflags) $cxxflags) lt;

(program) :objs)

ifeq ($strip $(srcexts)),c)

(cc) -o $(program) $objs) $ldflags)

else(cxx) -o $(program) $objs) $ldflags)

endifinclude $(deps)

rebuild: clean call

clean:

$(rm) *o *.d

cleanall: clean

$(rm) $program) $program).exe

2 通用makefile——2

##genericmakefileforc/c++program

##author:whyglinux(whyglinuxathotmaildotcom)

#date:2006/03/04

#description:

#themakefilesearchesindirectoriesforthesourcefiles

#withextensionsspecifiedin,thencompilesthesources

#andfinallyproducesthe,theexecutablefile,bylinking

#theobjectives.

#usage:

#$makecompileandlinktheprogram.

#$makeobjscompileonly(

#$makecleancleantheobjectivesanddependencies.

#$makecleanallcleantheobjectives,dependenciesandexecutable.

###customizingsection:adjustthefollowingifnecessary.

#theexecutablefilename.

#itmustbespecified.

#program:=

program:=

#thedirectoriesinwhichsourcefilesreside.

#atleastonepathshouldbespecified.

#srcdirs:=.#currentdirectory

srcdirs:=

#thesourcefiletypes(headersexcluded).

#atleastonetypeshouldbespecified.

##srcexts:=.c#cprogram

#srcexts:=.cpp#c++program

#srcexts:=.

srcexts:=

#theflagsusedbythecpp(mancppformore).

#cppflags:=-wall-werror#showallwarningsandtakethemaserrors

cppflags:=

#thecompilingflagsusedonlyforc.

#ifitisac++program,noneedtosettheseflags.

#ifitisacandc++mergingprogram,settheseflagsforthecparts.

cflags:=

cflags+=

#thecompilingflagsusedonlyforc++.

#ifitisacprogram,noneedtosettheseflags.

#ifitisacandc++mergingprogram,settheseflagsforthec++parts.

cxxflags:=

cxxflags+=

#thelibraryandthelinkoptions(candc++common).

ldflags:=

ldflags+=

##implictsection:changethefollowingonlywhennecessary.

##cc=gcc

#thec++

#cxx=g++

#uncommentthe2linestocompilecprogramsasc++ones.

#cc=$(cxx)

#cflags=$(cxxflags)

#thecommandusedtodeletefile.

#rm=rm-f

##shell=/bin/sh

sources=$(foreachd,$(srcdirs),$wildcard$(addprefix$(d)/*srcexts)))

objs=$(foreachx,$(srcexts),\

(patsubst%$(x),%o,$(filter%$(x),$sources)))

deps=$(patsubst%.o,%.d,$(objs))

phony:allobjscleancleanallrebuild

all:$(program)

#rulesforcreatingthedependencyfiles(.d).

.d:%.c

@$(cc)-mm-md$(cflags)$<

.d:%.c

@$(cc)-mm-md$(cxxflags)$<

.d:%.cc

@$(cc)-mm-md$(cxxflags)$<

.d:%.cpp

@$(cc)-mm-md$(cxxflags)$<

.d:%.cpp

@$(cc)-mm-md$(cxxflags)$<

.d:%.c++

@$(cc)-mm-md$(cxxflags)$<

.d:%.cp

@$(cc)-mm-md$(cxxflags)$<

.d:%.cxx

@$(cc)-mm-md$(cxxflags)$<

#rulesforproducingtheobjects.

objs:$(objs)

.o:%.c

$(cc)-c$(cppflags)$(cflags)$<

.o:%.c