Files
graphene/LibOS/buildglibc.py

119 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python3
import sys, os, string, subprocess, shutil, fileinput, multiprocessing, re, resource
def replaceAll(fd,searchExp,replaceExp):
for line in fileinput.input(fd, inplace=1):
if searchExp in line:
line = line.replace(searchExp,replaceExp)
sys.stdout.write(line)
def prependText(filename, text) :
data = ""
with open(filename, 'r') as original:
data = original.read()
with open(filename, 'w') as modified:
modified.write(text)
modified.write(data)
def appendText(filename, text) :
with open(filename, "a") as myfile:
myfile.write(text)
home = os.getcwd()
glibc = "glibc-2.19"
glibcParent = "" # glibc parent directory
glibcDir = "" # glibc dir (ex. glibc-2.19)
buildDir = "glibc-build"
installDir = os.path.dirname(home) + '/Runtime/'
commandStr = ""
commandOutput = ""
quiet = False
debug_flags = ""
for arg in sys.argv[1:]:
if arg == '--quiet' or arg == '-q':
quiet = True
if arg == '--debug':
debug_flags = "-g"
if True:
#########################################
#### get the locations of directories ###
#########################################
if not quiet:
iput = input('use {0} as the source of GNU libc? ([y]/n):'.format(glibc)).lower()
if not iput == 'y' and not iput == '' :
glibc = input('enter the glibc source to install with: ')
if not quiet:
iput = input('{0} contains glibc code to compile? ([y]/n): '.format(glibc)).lower()
if not iput == 'y' and not iput == '':
glibc = input('directory containing glibc code to compile: ')
if os.path.isdir(glibc) :
glibc = os.path.abspath(glibc)
glibcParent,glibcDir = os.path.split(glibc)
print('building in {0}: {1}'.format(glibcParent, glibcDir))
if not quiet:
iput = input('use {0} as the directory to build glibc in? ([y]/n): '.format(buildDir)).lower()
if not iput == 'y' and not iput == '':
buildDir = input('the directory to build glibc in: ')
buildDir = os.path.abspath(buildDir)
print('using build dir: {0}'.format(buildDir))
if os.path.isdir(buildDir) :
if not quiet:
clean = input('clean build (delete {0}, rerun configure, etc.)? ([y]/n): '.format(buildDir))
else:
clean = 'y'
if clean == 'y' or clean == '':
shutil.rmtree(buildDir)
os.makedirs(buildDir)
else :
print('Then just go to {0} and type make...'.format(buildDir))
exit(0)
else :
os.makedirs(buildDir)
if not quiet:
iput = input('use {0} as the directory to install glibc in? ([y]/n): '.format(installDir)).lower()
if not iput == 'y' and not iput == '':
installDir = input('the directory to install glibc in: ')
installDir = os.path.abspath(installDir)
print('using install dir: {0}'.format(installDir))
if True:
################################
#### doctor glibc's Makefile ###
################################
os.chdir(buildDir)
cflags = '{0} -O2 -U_FORTIFY_SOURCE -fno-stack-protector -Wno-unused-value'.format(debug_flags)
extra_defs = ''
disabled_features = { 'nscd' }
extra_flags = '--with-tls --enable-add-ons=nptl --without-selinux --disable-test {0}'.format(' '.join(['--disable-' + f for f in disabled_features]))
## configure
commandStr = r'CFLAGS="{2}" {3} {0}/configure --prefix={1} {4} | tee configure.out'.format(glibc, installDir, cflags, extra_defs, extra_flags)
print(commandStr)
commandOutput = subprocess.call(commandStr, shell=True)
## Enable parallel builds
numCPUs = multiprocessing.cpu_count()
## Don't use up all the cores!
numCPUs = numCPUs - 1
if numCPUs == 0:
numCPUs = 1
replaceAll('Makefile', r'# PARALLELMFLAGS = -j4', r'PARALLELMFLAGS = -j{0}'.format(numCPUs))