#
# This file is part of Mapnik (c++ mapping toolkit)
#
# Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
#
# Mapnik is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# $Id$


import os, sys, platform

if platform.uname()[4] == 'x86_64':
    LIBDIR_SCHEMA='lib64' 
else:
    LIBDIR_SCHEMA='lib'

opts = Options('config.py')
opts.Add('PREFIX', 'The install path "prefix"', '/usr/local')
opts.Add(PathOption('BOOST_INCLUDES', 'Search path for boost include files', '/usr/include'))
opts.Add(PathOption('BOOST_LIBS', 'Search path for boost library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add('BOOST_TOOLKIT','Specify boost toolkit e.g. gcc41.','',False)
opts.Add(('FREETYPE_CONFIG', 'The path to the freetype-config executable.', 'freetype-config'))
opts.Add(('XML2_CONFIG', 'The path to the xml2-config executable.', 'xml2-config'))
opts.Add(PathOption('FRIBIDI_INCLUDES', 'Search path for fribidi include files', '/usr/include'))
opts.Add(PathOption('FRIBIDI_LIBS','Search path for fribidi include files','/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('PNG_INCLUDES', 'Search path for libpng include files', '/usr/include'))
opts.Add(PathOption('PNG_LIBS','Search path for libpng include files','/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('JPEG_INCLUDES', 'Search path for libjpeg include files', '/usr/include'))
opts.Add(PathOption('JPEG_LIBS', 'Search path for libjpeg library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('TIFF_INCLUDES', 'Search path for libtiff include files', '/usr/include'))
opts.Add(PathOption('TIFF_LIBS', 'Search path for libtiff library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('PGSQL_INCLUDES', 'Search path for PostgreSQL include files', '/usr/include'))
opts.Add(PathOption('PGSQL_LIBS', 'Search path for PostgreSQL library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('PROJ_INCLUDES', 'Search path for PROJ.4 include files', '/usr/local/include'))
opts.Add(PathOption('PROJ_LIBS', 'Search path for PROJ.4 library files', '/usr/local/' + LIBDIR_SCHEMA))
opts.Add(PathOption('GDAL_INCLUDES', 'Search path for GDAL include files', '/usr/include'))
opts.Add(PathOption('GDAL_LIBS', 'Search path for GDAL library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathOption('GIGABASE_INCLUDES', 'Search path for Gigabase include files', '/usr/local/include'))
opts.Add(PathOption('GIGABASE_LIBS', 'Search path for Gigabase library files', '/usr/local/' + LIBDIR_SCHEMA))
opts.Add(PathOption('PYTHON','Python executable', sys.executable))
opts.Add(ListOption('INPUT_PLUGINS','Input drivers to include','all',['postgis','shape','raster','gdal','gigabase']))
opts.Add(ListOption('BINDINGS','Language bindings to build','all',['python']))
opts.Add(BoolOption('DEBUG', 'Compile a debug version of mapnik', 'False'))
opts.Add('DESTDIR', 'The root directory to install into. Useful mainly for binary package building', '/')
opts.Add(BoolOption('BIDI', 'BIDI support', 'False'))
opts.Add(EnumOption('THREADING','Set threading support','multi', ['multi','single']))
opts.Add(EnumOption('XMLPARSER','Set xml parser ','tinyxml', ['tinyxml','spirit','libxml2']))

env = Environment(ENV=os.environ, options=opts)

env['LIBDIR_SCHEMA'] = LIBDIR_SCHEMA
env['PLATFORM'] = platform.uname()[0]
print "Building on %s ..." % env['PLATFORM']
Help(opts.GenerateHelpText(env))

conf = Configure(env)

# Libraries and headers dependency checks

env['CPPPATH'] = ['#agg/include', '#tinyxml', '#include', '#']

for path in [env['BOOST_INCLUDES'],
             env['PNG_INCLUDES'],
             env['JPEG_INCLUDES'],
             env['TIFF_INCLUDES'],
             env['PGSQL_INCLUDES'],
             env['PROJ_INCLUDES'],
             env['GDAL_INCLUDES'],
             env['GIGABASE_INCLUDES']] :
    if path not in env['CPPPATH']: env['CPPPATH'].append(path)

env['LIBPATH'] = ['#agg', '#src']

for path in [env['BOOST_LIBS'],
             env['PNG_LIBS'],
             env['JPEG_LIBS'],
             env['TIFF_LIBS'],
             env['PGSQL_LIBS'],
             env['PROJ_LIBS'],
             env['GDAL_LIBS'],
             env['GIGABASE_LIBS']]:
    if path not in env['LIBPATH']: env['LIBPATH'].append(path)
    
env.ParseConfig(env['FREETYPE_CONFIG'] + ' --libs --cflags')

if env['BIDI']:
    env.Append(CXXFLAGS = '-DUSE_FRIBIDI')
    if env['FRIBIDI_INCLUDES'] not in env['CPPPATH']:
        env['CPPPATH'].append(env['FRIBIDI_INCLUDES'])
    if env['FRIBIDI_LIBS'] not in env['LIBPATH']:
        env['LIBPATH'].append(env['FRIBIDI_LIBS'])  
    env['LIBS'].append('fribidi')

if env['XMLPARSER'] == 'tinyxml':
    env.Append(CXXFLAGS = '-DBOOST_PROPERTY_TREE_XML_PARSER_TINYXML -DTIXML_USE_STL')
elif env['XMLPARSER'] == 'libxml2':
    env.ParseConfig(env['XML2_CONFIG'] + ' --libs --cflags')
    env.Append(CXXFLAGS = '-DHAVE_LIBXML2');
    
C_LIBSHEADERS = [
    ['m', 'math.h', True],
    ['ltdl', 'ltdl.h', True],
    ['png', 'png.h', True],
    ['tiff', 'tiff.h', True],
    ['z', 'zlib.h', True],
    ['jpeg', ['stdio.h', 'jpeglib.h'], True],
    ['proj', 'proj_api.h', True],
    ['pq', 'libpq-fe.h', False]
]

CXX_LIBSHEADERS = [
    ['gdal', 'gdal_priv.h',False],
    ['gigabase_r','gigabase/gigabase.h',False]
]

if env['BIDI'] : C_LIBSHEADERS.append(['fribidi','fribidi/fribidi.h',True])

BOOST_LIBSHEADERS = [
    ['thread', 'boost/thread/mutex.hpp', True],
    # ['system', 'boost/system/system_error.hpp', True], # uncomment this on Darwin + boost_1_35
    ['filesystem', 'boost/filesystem/operations.hpp', True],
    ['regex', 'boost/regex.hpp', True],
    ['program_options', 'boost/program_options.hpp', False]
]

for libinfo in C_LIBSHEADERS:
    if not conf.CheckLibWithHeader(libinfo[0], libinfo[1], 'C') and libinfo[2]:
        print 'Could not find header or shared library for %s, exiting!' % libinfo[0]
        Exit(1)

for libinfo in CXX_LIBSHEADERS:
    if not conf.CheckLibWithHeader(libinfo[0], libinfo[1], 'C++') and libinfo[2]:
        print 'Could not find header or shared library for %s, exiting!' % libinfo[0]
        Exit(1)

if len(env['BOOST_TOOLKIT']):
    env['BOOST_APPEND'] = '-%s' % env['BOOST_TOOLKIT']
else:
    env['BOOST_APPEND']=''
    
for count, libinfo in enumerate(BOOST_LIBSHEADERS):
    if  env['THREADING'] == 'multi' :
        if not conf.CheckLibWithHeader('boost_%s%s-mt' % (libinfo[0],env['BOOST_APPEND']), libinfo[1], 'C++') and libinfo[2] :
            print 'Could not find header or shared library for boost %s, exiting!' % libinfo[0]
            Exit(1)
    elif not conf.CheckLibWithHeader('boost_%s%s' % (libinfo[0], env['BOOST_APPEND']), libinfo[1], 'C++') :
        print 'Could not find header or shared library for boost %s, exiting!' % libinfo[0]
        Exit(1)    
  
Export('env')

inputplugins = [ driver.strip() for driver in Split(env['INPUT_PLUGINS'])]

bindings = [ binding.strip() for binding in Split(env['BINDINGS'])]


# Build agg first, doesn't need anything special

SConscript('agg/SConscript')

# Build the core library

SConscript('src/SConscript')

# Build shapeindex and remove its dependency from the LIBS

if 'boost_program_options%s-mt' % env['BOOST_APPEND'] in env['LIBS']:
    SConscript('utils/shapeindex/SConscript')
    env['LIBS'].remove('boost_program_options%s-mt' % env['BOOST_APPEND'])

# Build the input plug-ins

if 'postgis' in inputplugins and 'pq' in env['LIBS']:
    SConscript('plugins/input/postgis/SConscript')
    env['LIBS'].remove('pq')

if 'shape' in inputplugins:
    SConscript('plugins/input/shape/SConscript')

if 'raster' in inputplugins:
    SConscript('plugins/input/raster/SConscript')

if 'gdal' in inputplugins and 'gdal' in env['LIBS']:
    SConscript('plugins/input/gdal/SConscript')

if 'gigabase' in inputplugins and 'gigabase_r' in env['LIBS']:
    SConscript('plugins/input/gigabase/SConscript')

# Check out the Python situation

if 'python' in env['BINDINGS']:
    if not os.access(env['PYTHON'], os.X_OK):
        print "Cannot run python interpreter at '%s', make sure that you have the permissions to execute it." % env['PYTHON']
        Exit(1)

    env['PYTHON_PREFIX'] = os.popen("%s -c 'import sys; print sys.prefix'" % env['PYTHON']).read().strip()
    env['PYTHON_VERSION'] = os.popen("%s -c 'import sys; print sys.version'" % env['PYTHON']).read()[0:3]

    print 'Bindings Python version... %s' % env['PYTHON_VERSION']

    majver, minver = env['PYTHON_VERSION'].split('.')

    if (int(majver), int(minver)) < (2, 2):
        print "Python version 2.2 or greater required"
        Exit(1)

    print 'Python %s prefix... %s' % (env['PYTHON_VERSION'], env['PYTHON_PREFIX'])

    SConscript('bindings/python/SConscript')

    
env = conf.Finish()

# Setup the c++ args for our own codebase
if env['PLATFORM'] == 'Darwin': pthread = ''
else: pthread = '-pthread'

common_cxx_flags = '-ansi -Wall %s -ftemplate-depth-100  -D%s -DBOOST_SPIRIT_THREADSAFE ' % (pthread, env['PLATFORM'].upper());

if env['DEBUG']:
    env.Append(CXXFLAGS = common_cxx_flags + '-O0 -fno-inline -g -DDEBUG -DMAPNIK_DEBUG')
else:
    env.Append(CXXFLAGS = common_cxx_flags + '-O2 -finline-functions -Wno-inline -DNDEBUG')

# Install some free default fonts

SConscript('fonts/SConscript')