Python實現產生簡單的Makefile檔案程式碼範例

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在linux下寫幾個測試程式,還要一行行的輸入g++命令進行編譯,當經常改測試代碼的時候,那一次次的敲(或者一次次的上線箭頭選)也感覺不爽,不如make來的快。用Makefile的好處就不用多說了,這裡我寫了個指令碼,其功能是自動搜尋目前的目錄(不包括子目錄)下的“.c”檔案產生Makefile檔案。

代碼在這裡,功能有限(適用於單個檔案是一個獨立的測試代碼的情況),需要的朋友可以稍作修改以滿足需求。

複製代碼 代碼如下:


#! /usr/bin/python
'''
File : genMakefile.py
Author : Mike
E-Mail : Mike_Zhang@live.com
'''
import os

def genMakefileStr(dir,surfix = '.c'):
msg = ''
msg = msg + 'CC = gcc' + '\n'
msg = msg + 'CFLAGS = -g -O2 -Wall' + '\n\n'

fList = []
for dirPath,dirNames,fileNames in os.walk(dir):
for file in fileNames:
name,extension = os.path.splitext(file)
if extension == surfix:
fList.append(name)
break # only search the current directory
str1 = 'all:\n'
str2 = ''
str3 = 'clean:\n'
for f in fList:
str1 = str1 + '\tmake ' + f + '\n'
str2 = ('%s%s:%s.o\n') % (str2,f,f)
str2 = ('%s\t$(CC) -o %s %s.o\n\n') % (str2,f,f)
str3 = ('%s\trm -f %s\n') % (str3,f)
str3 = str3 + '\trm -f *.o\n'
strClean = '.c.o:\n\t$(CC) $(CFLAGS) -c -o $*.o $<\n'
msg = ('%s%s\n%s\n%s\n%s') % (msg,str1,str2,str3,strClean)
#print 'msg : \n'
#print msg
return msg

if __name__ == '__main__':
str = genMakefileStr('.','.c')
file = open("Makefile","w")
file.write(str)
file.close()
print str

運行效果如下(樣本):

複製代碼 代碼如下:


# ./genMakefile.py
CC = gcc
CFLAGS = -g -O2 -Wall

all:
make pfun1
make pfun2

pfun1:pfun1.o
$(CC) -o pfun1 pfun1.o

pfun2:pfun2.o
$(CC) -o pfun2 pfun2.o


clean:
rm -f pfun1
rm -f pfun2
rm -f *.o

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

運行指令碼後進行make即可。

附:

感覺上面的那個指令碼用著不方便,隨後修改修改,代碼如下:
複製代碼 代碼如下:


#! /usr/bin/python
'''
File : genMakefile.py
Author : Mike
E-Mail : Mike_Zhang@live.com
'''
import os,sys

surfix = ['.c','.cpp']

def genMakefileStr(dir):
msg = ''
msg = msg + 'CC = g++ ' + '\n'
msg = msg + 'CFLAGS = -g -O2 -Wall' + '\n\n'

fList = []
for dirPath,dirNames,fileNames in os.walk(dir):
for file in fileNames:
name,extension = os.path.splitext(file)
if surfix.count(extension) > 0:
fList.append(name)
break # only search the current directory
str1 = 'all:\n'
str2 = ''
str3 = 'clean:\n'
for f in fList:
str1 = str1 + '\tmake ' + f + '\n'
str2 = ('%s%s:%s.o\n') % (str2,f,f)
str2 = ('%s\t$(CC) -o %s %s.o\n\n') % (str2,f,f)
str3 = ('%s\trm -f %s\n') % (str3,f)
str3 = str3 + '\trm -f *.o\n'
strClean = '.c.cpp.o:\n\t$(CC) $(CFLAGS) -c -o $*.o $<\n'
msg = ('%s%s\n%s\n%s\n%s') % (msg,str1,str2,str3,strClean)
#print 'msg : \n'
#print msg
return msg

if __name__ == '__main__':
for arg in sys.argv[1:]:
print arg
str = genMakefileStr(arg)
if arg[-1] == '/':arg = arg[:-1]
file = open(arg+"/Makefile","w")
file.write(str)
file.close()
print str

把檔案genMakefile.py改名為genMakefile,複製到/usr/local/bin下,以後在需要的目錄裡面執行如下命令即可:

genMakefile .

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