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#!/usr/bin/env python
import string
import os
import sys
import exceptions
log_name = 'config.log'
if os.path.isfile(log_name):
os.unlink(log_name)
def write_log(msg):
log_file = open(log_name, 'a')
log_file.write(msg)
log_file.write('\n')
log_file.close()
def exit(code=0):
sys.exit(code)
def msg_checking(msg):
print "Checking", msg, "...",
def execute(cmd):
write_log("Execute: %s" % cmd)
full_cmd = '%s 1>>%s 2>&1' % (cmd, log_name)
return os.system(full_cmd)
def run_test(input, flags = ''):
try:
f = open('_temp.c', 'w')
f.write(input)
f.close()
compile_cmd = '%s -o _temp _temp.c %s' % (os.environ.get('CC', 'cc'),
flags)
write_log("executing test: %s" % compile_cmd)
if not execute(compile_cmd):
execute('./_temp')
finally:
execute('rm -f _temp.c _temp')
ogg_test_program = '''
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogg/ogg.h>
int main ()
{
system("touch conf.oggtest");
return 0;
}
'''
def find_ogg(ogg_prefix = '/usr/local', enable_oggtest = 1):
"""A rough translation of ogg.m4"""
ogg_include_dir = ogg_prefix + '/include'
ogg_lib_dir = ogg_prefix + '/lib'
ogg_libs = 'ogg'
msg_checking('for Ogg')
if enable_oggtest:
execute('rm -f conf.oggtest')
try:
run_test(ogg_test_program, flags="-I" + ogg_include_dir)
if not os.path.isfile('conf.oggtest'):
raise RuntimeError, "Did not produce output"
execute('rm conf.oggtest')
except:
print "test program failed"
return None
print "success"
return {'ogg_libs' : ogg_libs,
'ogg_lib_dir' : ogg_lib_dir,
'ogg_include_dir' : ogg_include_dir}
vorbis_test_program = '''
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vorbis/codec.h>
int main ()
{
system("touch conf.vorbistest");
return 0;
}
'''
def find_vorbis(ogg_data,
vorbis_prefix = '/usr/local',
enable_vorbistest = 1):
"""A rough translation of vorbis.m4"""
ogg_libs = ogg_data['ogg_libs']
ogg_lib_dir = ogg_data['ogg_lib_dir']
ogg_include_dir = ogg_data['ogg_include_dir']
vorbis_include_dir = vorbis_prefix + '/include'
vorbis_lib_dir = vorbis_prefix + '/lib'
vorbis_libs = 'vorbis vorbisfile vorbisenc'
msg_checking('for Vorbis')
if enable_vorbistest:
execute('rm -f conf.vorbistest')
try:
run_test(vorbis_test_program,
flags = "-I%s -I%s" % (vorbis_include_dir,
ogg_include_dir))
if not os.path.isfile('conf.vorbistest'):
raise RuntimeError, "Did not produce output"
execute('rm conf.vorbistest')
except:
print "test program failed"
return None
print "success"
return {'vorbis_libs' : vorbis_libs,
'vorbis_lib_dir' : vorbis_lib_dir,
'vorbis_include_dir' : vorbis_include_dir}
def write_data(data):
f = open('Setup', 'w')
for item in data.items():
f.write('%s = %s\n' % item)
f.close()
print "Wrote Setup file"
def print_help():
print '''%s
--prefix Give the prefix in which vorbis was installed.
--with-ogg-dir [dir] Give the directory for ogg files
(separated by a space)
--with-vorbis-dir [dir] Give the directory for vorbis files''' % sys.argv[0]
exit()
def parse_args():
def arg_check(data, argv, pos, arg_type, key):
"Register an command line arg which takes an argument"
if len(argv) == pos:
print arg_type, "needs an argument"
exit(1)
data[key] = argv[pos]
data = {}
argv = sys.argv
for pos in range(len(argv)):
if argv[pos] == '--help':
print_help()
if argv[pos] == '--with-ogg-dir':
pos = pos + 1
arg_check(data, argv, pos, "Ogg dir", 'ogg_prefix')
if argv[pos] == '--with-vorbis-dir':
pos = pos + 1
arg_check(data, argv, pos, "Vorbis dir", 'vorbis_prefix')
if argv[pos] == '--prefix':
pos = pos + 1
arg_check(data, argv, pos, "Prefix", 'prefix')
return data
def main():
args = parse_args()
prefix = args.get('prefix', '/usr/local')
vorbis_prefix = args.get('vorbis_prefix', prefix)
ogg_prefix = args.get('ogg_prefix', prefix)
data = find_ogg(ogg_prefix = ogg_prefix)
if not data:
print "Config failure"
exit(1)
vorbis_data = find_vorbis(ogg_data = data,
vorbis_prefix = vorbis_prefix)
if not vorbis_data:
print "Config failure"
exit(1)
data.update(vorbis_data)
write_data(data)
if __name__ == '__main__':
main()
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