#!/usr/bin/env python

import distutils.core      as dic
import distutils.dir_util  as dut
import distutils.file_util as fut
import os
import sys

cam_version = '0.5.4'

# Notes:
# on Fedora Core 5 module is compiled with 'gcc -g' - why -g?
# later: replace os.popen() with subprocess module, new in Python 2.4

def pkg_config (opt, pkg):
    fo = os.popen ('pkg-config %s %s' % (opt, pkg))
    return fo.read(), fo.close()

def pkg_config_version_check (pkg, version):
    output, status = pkg_config ('--atleast-version=%s' % version, pkg)
    if status is None:
        print '%s version >= %s detected' % (pkg, version)
    else:
        raise SystemExit ('Error: %s version >= %s not found' % (pkg, version))

def pkg_config_parse (opt, pkg):
    output, status = pkg_config (opt, pkg)
    opt = opt[-2:]
    return [x.lstrip(opt) for x in output.split()]


if sys.platform == 'win32':
    runtime_library_dirs = []
else:
    runtime_library_dirs = [] # pkg_config_parse('--libs-only-L', 'cam')

pkgconfig_file='cam.pc'
print 'creating %s' % pkgconfig_file
fo = open (pkgconfig_file, 'w')
fo.write ("""\
prefix=%s

Name: cam
Description: Python bindings for cellular automata machine engine.
Version: %s
Requires: pycairo
Cflags:
Libs:
""" % (sys.prefix, cam_version)
          )
fo.close()

cam = dic.Extension(
    name = 'cam._cam',
     sources = ['cam/cammodule.c', ],
    include_dirs = pkg_config_parse('--cflags-only-I', 'cam'),
    library_dirs = pkg_config_parse('--libs-only-L', 'cam'),
    libraries    = pkg_config_parse('--libs-only-l', 'cam'),
    runtime_library_dirs = runtime_library_dirs,
    )

dic.setup(
    name = "cam",
    version = cam_version,
    description = "Python interface for cellular automata machine engine",
    packages = ['cam'],
    ext_modules = [cam],
    data_files=[('include/cam',['cam/cam.h']),
                ('lib/pkgconfig',[pkgconfig_file])]
    )