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import os
from os.path import join as pjoin, basename, dirname, exists
import subprocess as sp
import benchconfig as cfg
def GetFile(file, impl, roots='/'):
if file[-3:] != '.pc':
fname = file + '.pc'
else:
fname = file
libdir = cfg.libdir
while libdir[0] == '/':
libdir = libdir[1:]
# Check alternatives
if type(roots) == type(''):
roots = roots,
pkgcfgpath = ':'.join([pjoin(r,'etc/env.d/alternatives', file, impl, \
libdir, 'pkgconfig', fname) for r in roots])
if os.path.exists(pkgcfgpath):
return pkgcfgpath
else:
raise Exception('pkg-config fname ' + file + ' not found', pkgcfgpath)
def Requires(fname):
env = {'PKG_CONFIG_PATH' : dirname(fname)}
cmd = ['pkg-config', '--print-requires', basename(fname)[:-3]]
proc = sp.Popen(cmd, env=env, stdout=sp.PIPE)
return proc.communicate()[0].split()
def Run(fname, root='/', requires=True):
if not requires:
lines = file(fname, 'r').readlines()
newlines = [l for l in lines if l[:10] != 'Requires: ']
file(fname, 'w').writelines(newlines)
bname = basename(fname)
if bname[-3:] == '.pc':
bname = bname[:-3]
env = {'PKG_CONFIG_PATH' : dirname(fname), 'PKG_CONFIG_SYSROOT_DIR' : root}
cmd = ['pkg-config', '--libs', '--cflags', bname]
proc = sp.Popen(cmd, env=env, stdout=sp.PIPE)
out = proc.communicate()[0].strip()
if not requires:
file(fname, 'w').writelines(lines)
return out
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