#!/usr/bin/env python2.2
"""

Build Boost.Python V2 shared library.
Requires: Python 2.2, gcc-3.0, BPL V2


Copyright 2002 Pearu Peterson all rights reserved,
Pearu Peterson <pearu@cens.ioc.ee>          
Permission to use, modify, and distribute this software is given under the
terms of the LGPL.  See http://www.fsf.org

NO WARRANTY IS EXPRESSED OR IMPLIED.  USE AT YOUR OWN RISK.
$Revision: 1.4 $
$Date: 2002/05/15 07:37:18 $
Pearu Peterson
"""

__version__ = "$Id: setup_libbpl2.py,v 1.4 2002/05/15 07:37:18 pearu Exp $"

boost_dir = 'boost'
gcc_exe = 'gcc-3.0'
gpp_exe = 'g++-3.0'
gcc_exe = 'gcc'
gpp_exe = 'g++'

import sys,os

if sys.version < '2.2':
    print 'Python >=2.2 is required but got '+sys.version[:6]
    sys.exit()

if not os.path.isdir(boost_dir):
    print 'No Boost directory',boost_dir
    sys.exit()

bpl_dir = os.path.join(boost_dir,'libs/python/src')
bpl_src = ['converter/from_python.cpp',
           'converter/registry.cpp',
           'converter/type_id.cpp',
           'object/class.cpp',
           'object/function.cpp',
           'object/inheritance.cpp',
           'object/life_support.cpp',
           'errors.cpp',
           'module.cpp',
           'objects.cpp',
           'converter/builtin_converters.cpp',
           'converter/callback.cpp',
           ]
bpl_src = [os.path.join(bpl_dir,s) for s in bpl_src]


src_file = os.path.join('tmp_libbpl2.c')
if not os.path.exists(src_file):
    print 'Creating file',src_file
    f = open(src_file,'w')
    f.write('''
#ifdef __CPLUSPLUS__
extern "C" {
#endif
#include "Python.h"
static PyMethodDef module_methods[] = { {NULL,NULL} };
DL_EXPORT(void) initlibbpl2(void) { Py_InitModule("libbpl2", module_methods); }
#ifdef __CPLUSCPLUS__
}
#endif
    ''')
    f.close()

from distutils.core import setup, Extension

ext = Extension('libbpl2',
                sources=bpl_src + [src_file],
                include_dirs=[boost_dir],
                define_macros = [('BOOST_PYTHON_SOURCE',None),
                                 ('BOOST_PYTHON_DYNAMIC_LIB',None),
                                 ('BOOST_PYTHON_V2',None)],
                #extra_compile_args=['-ftemplate-depth-20'] # for gcc-2.95.x
                )

#+++HACK: replace linker gcc with g++ +++++++++++

from distutils import sysconfig
save_init_posix = sysconfig._init_posix
def my_init_posix():
    save_init_posix()
    g = sysconfig._config_vars
    for n,r in [('LDSHARED',gpp_exe),('CC',gcc_exe)]:
        if g[n][:3]=='gcc':
            print 'my_init_posix: changing %s = %r'%(n,g[n]),
            g[n] = r+g[n][3:]
            print 'to',`g[n]`
sysconfig._init_posix = my_init_posix


if __name__ == "__main__":
    setup (name = "libbpl2",
           version = '0.2',
           description = "libbpl2 - Boost.Python V2 shared library",
           author = "Pearu Peterson",
           author_email = "pearu@cens.ioc.ee",
           maintainer = "Pearu Peterson",
           maintainer_email = "pearu@cens.ioc.ee",
           licence = "LGPL",
           url = "http://cens.ioc.ee/projects/pyginac/",
           ext_modules = [ext],
           )