#! /usr/bin/python
# 
# TODO
#  - plugins/puredata: add pd compilation
#  - java: add swig compilation
#  - doc: add docbook2html and doxygen
#  - tests: move to new unit test system 

APPNAME = 'aubio'
VERSION = '0.3.3'
LIB_VERSION = '2.1.1'
srcdir = '.'
blddir = 'build'

import UnitTest

def init(opt):
  pass

def set_options(opt):
  opt.add_option('--enable-double', action='store_true', default=False,
      help='compile aubio in double precision mode')
  opt.add_option('--disable-fftw3f', action='store_true', default=False,
      help='compile with fftw3 instead of fftw3f')
  opt.add_option('--disable-complex', action='store_true', default=False,
      help='compile without C99 complex')
  opt.add_option('--disable-jack', action='store_true', default=False,
      help='compile without jack support')
  opt.add_option('--disable-lash', action='store_true', default=False,
      help='compile without lash support')
  opt.add_option('--enable-java', action='store_true', default=False,
      help='compile with java support')
  opt.add_option('--with-target-platform', type='string',
      help='set target platform for cross-compilation', dest='target_platform')
  opt.tool_options('compiler_cc')
  opt.tool_options('compiler_cxx')
  opt.tool_options('gnu_dirs')
  #opt.tool_options('UnitTest')

def configure(conf):
  import Options
  conf.check_tool('compiler_cc')
  conf.check_tool('compiler_cxx')
  conf.check_tool('gnu_dirs') # helpful for autotools transition and .pc generation
  conf.check_tool('misc') # needed for subst

  if Options.options.target_platform:
    Options.platform = Options.options.target_platform

  if Options.platform == 'win32':
    conf.env['shlib_PATTERN'] = 'lib%s.dll'

  # check for required headers
  conf.check(header_name='stdlib.h')
  conf.check(header_name='stdio.h')
  conf.check(header_name='math.h')
  conf.check(header_name='string.h')

  # optionally use complex.h
  if (Options.options.disable_complex == False):
    conf.check(header_name='complex.h')

  # required dependancies
  conf.check_cfg(package = 'sndfile', atleast_version = '1.0.4',
    args = '--cflags --libs')
  conf.check_cfg(package = 'samplerate', atleast_version = '0.0.15',
    args = '--cflags --libs')

  # double precision mode
  if (Options.options.enable_double == True):
    conf.define('HAVE_AUBIO_DOUBLE', 1)
  else:
    conf.define('HAVE_AUBIO_DOUBLE', 0)

  # one of fftwf or fftw3f
  if (Options.options.disable_fftw3f == True):
    conf.check_cfg(package = 'fftw3', atleast_version = '3.0.0',
        args = '--cflags --libs')
  else:
    # fftw3f not disabled, take most sensible one according to enable_double
    if (Options.options.enable_double == True):
      conf.check_cfg(package = 'fftw3', atleast_version = '3.0.0',
          args = '--cflags --libs')
    else:
      conf.check_cfg(package = 'fftw3f', atleast_version = '3.0.0',
          args = '--cflags --libs')

  # optional dependancies
  if (Options.options.disable_jack == False):
    conf.check_cfg(package = 'jack', atleast_version = '0.15.0',
    args = '--cflags --libs')
  if (Options.options.disable_lash == False):
    conf.check_cfg(package = 'lash-1.0', atleast_version = '0.5.0',
    args = '--cflags --libs', uselib_store = 'LASH')

  # swig
  if conf.find_program('swig', var='SWIG', mandatory = False):
    conf.check_tool('swig', tooldir='swig')
    conf.check_swig_version('1.3.27')

    # python
    if conf.find_program('python', mandatory = False):
      conf.check_tool('python')
      conf.check_python_version((2,4,2))
      conf.check_python_headers()

    # java
    if (Options.options.enable_java == True):
      conf.fatal('Java build not yet implemented')
      conf.check_tool('java')

  # check support for C99 __VA_ARGS__ macros
  check_c99_varargs = '''
#include <stdio.h>
#define AUBIO_ERR(...) fprintf(stderr, __VA_ARGS__)
'''
  if conf.check_cc(fragment = check_c99_varargs, 
      type='cstaticlib', 
      msg = 'Checking for C99 __VA_ARGS__ macro'):
    conf.define('HAVE_C99_VARARGS_MACROS', 1)

  # write configuration header
  conf.write_config_header('src/config.h')

  # check for puredata header
  conf.check(header_name='m_pd.h')

  # add some defines used in examples 
  conf.define('AUBIO_PREFIX', conf.env['PREFIX'])
  conf.define('PACKAGE', APPNAME)

  # check if docbook-to-man is installed, optional
  conf.find_program('docbook-to-man', var='DOCBOOKTOMAN', mandatory=False)

def build(bld):
  bld.env['VERSION'] = VERSION 
  bld.env['LIB_VERSION'] = LIB_VERSION 

  # add sub directories
  bld.add_subdirs('src ext examples cpp tests/src')
  if bld.env['SWIG']:
    if bld.env['PYTHON']:
      bld.add_subdirs('python/aubio python')
    if bld.env['JAVA']:
      pass

  # create the aubio.pc file for pkg-config
  aubiopc = bld.new_task_gen('subst')
  aubiopc.source = 'aubio.pc.in'
  aubiopc.target = 'aubio.pc'
  aubiopc.install_path = '${PREFIX}/lib/pkgconfig'

  # build manpages from sgml files
  if bld.env['DOCBOOKTOMAN']:
    import TaskGen
    TaskGen.declare_chain(
        name    = 'docbooktoman',
        rule    = '${DOCBOOKTOMAN} ${SRC} > ${TGT}',
        ext_in  = '.sgml',
        ext_out = '.1',
        reentrant = 0,
    )
    manpages = bld.new_task_gen(name = 'docbooktoman', 
        source=bld.path.ant_glob('doc/*.sgml'))
    bld.install_files('${MANDIR}/man1', bld.path.ant_glob('doc/*.1'))

  if bld.env['HAVE_M_PD_H']:
    bld.add_subdirs('plugins/puredata')

  # install woodblock sound
  bld.install_files('${PREFIX}/share/sounds/aubio/', 
      'sounds/woodblock.aiff')

def shutdown(bld):
  pass

def check(bld):
  ut = UnitTest.unit_test()
  ut.change_to_testfile_dir = True
  ut.run()
  ut.print_results()