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mapnik/SConstruct

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# 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
def color_print(color,text):
# 1 - red
# 2 - green
# 3 - yellow
# 4 - blue
print "\033[9%sm%s\033[0m" % (color,text)
# Helper function for uniquely appending paths to a SCons path listing.
def uniq_add(env, key, val):
if not val in env[key]: env[key].append(val)
if platform.uname()[4] == 'x86_64':
LIBDIR_SCHEMA='lib64'
elif platform.uname()[4] == 'ppc64':
LIBDIR_SCHEMA='lib64'
else:
LIBDIR_SCHEMA='lib'
#### SCons build options and initial setup ####
OVERWRITE_CONFIG = False
SCONS_LOCAL_CONFIG = 'config.py'
# All of the following options may be modified at the command-line, for example:
# `python scons/scons.py PREFIX=/opt`
opts = Variables()
# Compiler options
opts.Add('CXX', 'The C++ compiler to use (defaults to g++).', 'g++')
opts.Add(EnumVariable('OPTIMIZATION','Set g++ optimization level','2', ['0','1','2','3']))
# Note: setting DEBUG=True will override any custom OPTIMIZATION level
opts.Add(BoolVariable('DEBUG', 'Compile a debug version of Mapnik', 'False'))
# Install Variables
opts.Add('PREFIX', 'The install path "prefix"', '/usr/local')
opts.Add('DESTDIR', 'The root directory to install into. Useful mainly for binary package building', '/')
# SCons build behavior options
opts.Add('CONFIG', "The file and path of a SCons user '%s' file" % SCONS_LOCAL_CONFIG, SCONS_LOCAL_CONFIG)
opts.Add(BoolVariable('SCONS_CACHE', 'Use SCons dependency caching to speed build process', 'False'))
opts.Add(BoolVariable('USE_USER_ENV', 'Allow the SCons build env to inherit from the current user environment', 'True'))
# Boost variables
opts.Add(PathVariable('BOOST_INCLUDES', 'Search path for boost include files', '/usr/include'))
opts.Add(PathVariable('BOOST_LIBS', 'Search path for boost library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add('BOOST_TOOLKIT','Specify boost toolkit, e.g., gcc41.','',False)
opts.Add('BOOST_ABI', 'Specify boost ABI, e.g., d.','',False)
opts.Add('BOOST_VERSION','Specify boost version, e.g., 1_35.','',False)
# Variables for required dependencies
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(PathVariable('ICU_INCLUDES', 'Search path for ICU include files', '/usr/include'))
opts.Add(PathVariable('ICU_LIBS','Search path for ICU include files','/usr/' + LIBDIR_SCHEMA))
opts.Add(PathVariable('PNG_INCLUDES', 'Search path for libpng include files', '/usr/include'))
opts.Add(PathVariable('PNG_LIBS','Search path for libpng include files','/usr/' + LIBDIR_SCHEMA))
opts.Add(PathVariable('JPEG_INCLUDES', 'Search path for libjpeg include files', '/usr/include'))
opts.Add(PathVariable('JPEG_LIBS', 'Search path for libjpeg library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathVariable('TIFF_INCLUDES', 'Search path for libtiff include files', '/usr/include'))
opts.Add(PathVariable('TIFF_LIBS', 'Search path for libtiff library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathVariable('PROJ_INCLUDES', 'Search path for PROJ.4 include files', '/usr/local/include'))
opts.Add(PathVariable('PROJ_LIBS', 'Search path for PROJ.4 library files', '/usr/local/' + LIBDIR_SCHEMA))
# Variables affecting rendering back-ends
opts.Add(BoolVariable('INTERNAL_LIBAGG', 'Use provided libagg', 'True'))
# Variables for optional dependencies
# Note: cairo, cairomm, and pycairo all optional but configured automatically through pkg-config
# Therefore, we use a single boolean for whether to attempt to build cairo support.
opts.Add(BoolVariable('CAIRO', 'Attempt to build with Cairo rendering support', 'True'))
opts.Add(ListVariable('INPUT_PLUGINS','Input drivers to include','all',['postgis','shape','raster','gdal']))
opts.Add(PathVariable('PGSQL_INCLUDES', 'Search path for PostgreSQL include files', '/usr/include/postgresql', PathVariable.PathAccept))
opts.Add(PathVariable('PGSQL_LIBS', 'Search path for PostgreSQL library files', '/usr/' + LIBDIR_SCHEMA))
opts.Add(PathVariable('GDAL_INCLUDES', 'Search path for GDAL include files', '/usr/include/gdal', PathVariable.PathAccept))
opts.Add(PathVariable('GDAL_LIBS', 'Search path for GDAL library files', '/usr/' + LIBDIR_SCHEMA))
# Other variables
opts.Add(PathVariable('PYTHON','Python executable', sys.executable))
opts.Add(ListVariable('BINDINGS','Language bindings to build','all',['python']))
opts.Add(EnumVariable('THREADING','Set threading support','multi', ['multi','single']))
opts.Add(EnumVariable('XMLPARSER','Set xml parser ','libxml2', ['tinyxml','spirit','libxml2']))
# Construct the SCons build environment as a union of the users environment and the `opts`
# Build up base environment, then reinitiate based on user customizations.
# This method seems un-pythonic and a bit dodgy, but it works.
# It seems that creating an alternative environment that loads user options
# and then updating the main env using those options is the more logical route
# But my testing indicate that something like:
# >>>user_opts = Variables([env['CONFIG']])
# >>> user_opts.Update(env)
# does not seem to work as expected.
# Create clean environment with only the options within this SConstruct file
color_print(4,'Constructing build environment...')
env = Environment(options=opts)
# Unless USE_USER_ENV=False, recreate the base environment
# using all variables (for example) in the shell users .profile or /etc/profile
if env['USE_USER_ENV']:
env = Environment(ENV=os.environ,options=opts)
else:
# Default has been overridden, so print a warning
color_print(4,'USER_USER_ENV specified as false, will not inherit variables from user environment...')
# Unless USE_USER_ENV=False, recreate the base environment
# using all variables (for example) in the shell users .profile or /etc/profile
user_conf = env['CONFIG']
if not user_conf == '' and not user_conf == 'n' and user_conf:
if not user_conf.endswith('.py'):
color_print(1,'SCons CONFIG file specified is not a python file, will not be read...')
else:
# Accept more than one file as comma-delimited list
user_confs = user_conf.split(',')
# If they exist add the files to the existing `opts`
for conf in user_confs:
if os.path.exists(conf):
opts.files.append(conf)
color_print(4,"SCons CONFIG found: '%s', variables will be inherited..." % conf)
elif not conf == SCONS_LOCAL_CONFIG:
# if default missing, no worries
# but if the default is overridden and the file is not found, give warning
color_print(1,"SCons CONFIG not found: '%s'" % conf)
# Recreate the base environment using modified `opts`
env = Environment(ENV=os.environ,options=opts)
else:
color_print(4,'SCons CONFIG specified as false, will not inherit variables python config file')
#Progress(['/\r', '|\r', '\\\r', '-\r'], interval=5, file=open('/dev/tty', 'w'))
env['MISSING_DEPS'] = []
env['SKIPPED_DEPS'] = []
env['LIBDIR_SCHEMA'] = LIBDIR_SCHEMA
env['PLATFORM'] = platform.uname()[0]
if env['DEBUG']:
mode = 'debug mode'
else:
mode = 'release mode'
color_print (4,"Building on %s in *%s*..." % (env['PLATFORM'],mode))
Help(opts.GenerateHelpText(env))
if env['SCONS_CACHE']:
pass # caching is 'auto' by default in SCons
else:
# Set the cache mode to 'force' unless requested, avoiding hidden caching of Scons 'opts' in '.sconsign.dblite'
# This allows for a SCONS_LOCAL_CONFIG, if present, to be used as the primary means of storing paths to successful build dependencies
from SCons.SConf import SetCacheMode
SetCacheMode('force')
thread_suffix = 'mt'
if env['PLATFORM'] == 'FreeBSD':
thread_suffix = ''
env.Append(LIBS = 'pthread')
def CheckPKGConfig(context, version):
context.Message( 'Checking for pkg-config... ' )
ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
context.Result( ret )
return ret
def CheckPKG(context, name):
context.Message( 'Checking for %s... ' % name )
ret = context.TryAction('pkg-config --exists \'%s\'' % name)[0]
context.Result( ret )
return ret
conf = Configure(env, custom_tests = { 'CheckPKGConfig' : CheckPKGConfig,
'CheckPKG' : CheckPKG })
#### Libraries and headers dependency checks ####
# Libraries and headers dependency checks
env['CPPPATH'] = ['#tinyxml', '#include', '#']
env['LIBPATH'] = ['#src']
# Solaris & Sun Studio settings (the `SUNCC` flag will only be
# set if the `CXX` option begins with `CC`)
SOLARIS = env['PLATFORM'] == 'SunOS'
SUNCC = SOLARIS and env['CXX'].startswith('CC')
# For Solaris include paths (e.g., for freetype2, ltdl, etc.).
if SOLARIS:
blastwave_dir = '/opt/csw/%s'
uniq_add(env, 'CPPPATH', blastwave_dir % 'include')
uniq_add(env, 'LIBPATH', blastwave_dir % LIBDIR_SCHEMA)
# If the Sun Studio C++ compiler (`CC`) is used instead of GCC.
if SUNCC:
env['CC'] = 'cc'
# To be compatible w/Boost everything needs to be compiled
# with the `-library=stlport4` flag (which needs to come
# before the `-o` flag).
env['CXX'] = 'CC -library=stlport4'
if env['THREADING'] == 'multi':
env['CXXFLAGS'] = ['-mt']
# Decide which libagg to use
if env['INTERNAL_LIBAGG']:
env.Prepend(CPPPATH = '#agg/include')
env.Prepend(LIBPATH = '#agg')
else:
env.ParseConfig('pkg-config --libs --cflags libagg')
# Adding the prerequisite library directories to the include path for
# compiling and the library path for linking, respectively.
for prereq in ('BOOST', 'PNG', 'JPEG', 'TIFF', 'PGSQL', 'PROJ', 'GDAL',):
inc_path = env['%s_INCLUDES' % prereq]
lib_path = env['%s_LIBS' % prereq]
uniq_add(env, 'CPPPATH', inc_path)
uniq_add(env, 'LIBPATH', lib_path)
try:
env.ParseConfig(env['FREETYPE_CONFIG'] + ' --libs --cflags')
except OSError:
env['MISSING_DEPS'].append(env['FREETYPE_CONFIG'])
if env['XMLPARSER'] == 'tinyxml':
env.Append(CXXFLAGS = '-DBOOST_PROPERTY_TREE_XML_PARSER_TINYXML -DTIXML_USE_STL')
elif env['XMLPARSER'] == 'libxml2':
try:
env.ParseConfig(env['XML2_CONFIG'] + ' --libs --cflags')
env.Append(CXXFLAGS = '-DHAVE_LIBXML2')
except OSError:
env['MISSING_DEPS'].append(env['XML2_CONFIG'])
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]
]
if env['CAIRO'] and conf.CheckPKGConfig('0.15.0') and conf.CheckPKG('cairomm-1.0'):
env.ParseConfig('pkg-config --libs --cflags cairomm-1.0')
env.Append(CXXFLAGS = '-DHAVE_CAIRO')
else:
env['SKIPPED_DEPS'].extend(['cairo','cairomm','pycairo'])
CXX_LIBSHEADERS = [
['icuuc','unicode/unistr.h',True],
['icudata','unicode/utypes.h' , True],
['gdal', 'gdal_priv.h',False]
]
# Test function for a particular Boost Version.
def test_boost_ver(ver):
return ver in env['BOOST_INCLUDES'] or ver in env['BOOST_VERSION']
if ((test_boost_ver('1_35') or test_boost_ver('1_36')) and
env['PLATFORM'] == 'Darwin'):
boost_system_required = True
else:
boost_system_required = False
# The other required boost headers.
BOOST_LIBSHEADERS = [
['system', 'boost/system/system_error.hpp', boost_system_required],
['filesystem', 'boost/filesystem/operations.hpp', True],
['regex', 'boost/regex.hpp', True],
['iostreams','boost/iostreams/device/mapped_file.hpp',True],
['program_options', 'boost/program_options.hpp', False]
]
if env['THREADING'] == 'multi':
BOOST_LIBSHEADERS.append(['thread', 'boost/thread/mutex.hpp', True])
thread_flag = thread_suffix
else:
thread_flag = ''
for libinfo in C_LIBSHEADERS:
if not conf.CheckLibWithHeader(libinfo[0], libinfo[1], 'C'):
if libinfo[2]:
color_print (1,'Could not find required header or shared library for %s' % libinfo[0])
env['MISSING_DEPS'].append(libinfo[0])
else:
color_print(4,'Could not find optional header or shared library for %s' % libinfo[0])
if libinfo[0] == 'pq':
# Make `pq` lib more understandable
env['SKIPPED_DEPS'].append('pq (postgres/postgis)')
else:
env['SKIPPED_DEPS'].append(libinfo[0])
for libinfo in CXX_LIBSHEADERS:
if not conf.CheckLibWithHeader(libinfo[0], libinfo[1], 'C++'):
if libinfo[2]:
color_print(1,'Could not find required header or shared library for %s' % libinfo[0])
env['MISSING_DEPS'].append(libinfo[0])
else:
color_print(4,'Could not find optional header or shared library for %s' % libinfo[0])
env['SKIPPED_DEPS'].append(libinfo[0])
# Creating BOOST_APPEND according to the Boost library naming order,
# which goes <toolset>-<threading>-<abi>-<version>. See:
# http://www.boost.org/doc/libs/1_35_0/more/getting_started/unix-variants.html#library-naming
append_params = ['']
if env['BOOST_TOOLKIT']: append_params.append(env['BOOST_TOOLKIT'])
if thread_flag: append_params.append(thread_flag)
if env['BOOST_ABI']: append_params.append(env['BOOST_ABI'])
if env['BOOST_VERSION']: append_params.append(env['BOOST_VERSION'])
# Constructing the BOOST_APPEND setting that will be used to find the
# Boost libraries.
if len(append_params) > 1:
env['BOOST_APPEND'] = '-'.join(append_params)
else:
env['BOOST_APPEND'] = ''
for count, libinfo in enumerate(BOOST_LIBSHEADERS):
if thread_flag:
if not conf.CheckLibWithHeader('boost_%s%s' % (libinfo[0],env['BOOST_APPEND']), libinfo[1], 'C++'):
if libinfo[2]:
color_print(1,'Could not find required header or shared library for boost %s' % libinfo[0])
env['MISSING_DEPS'].append('boost ' + libinfo[0])
else:
color_print(4,'Could not find optional header or shared library for boost %s' % libinfo[0])
env['SKIPPED_DEPS'].append('boost ' + libinfo[0])
elif not conf.CheckLibWithHeader('boost_%s%s' % (libinfo[0], env['BOOST_APPEND']), libinfo[1], 'C++') :
color_print(1,'Could not find header or shared library for boost %s' % libinfo[0])
env['MISSING_DEPS'].append('boost ' + libinfo[0])
#### End Config Stage ####
if env['MISSING_DEPS']:
# if required dependencies are missing, print warnings and then let SCons finish without building or saving local config
color_print(1,'\nExiting... the following required dependencies were not found:\n - %s' % '\n - '.join(env['MISSING_DEPS']))
color_print(1,"\nSee the 'config.log' for details on possible problems.")
if env['SKIPPED_DEPS']:
color_print(4,'\nAlso the these optional dependencies were skipped:\n - %s' % '\n - '.join(env['SKIPPED_DEPS']))
color_print(4,"\n\nSet custom paths to these libraries and header files on the command-line or in a file called '%s'\n\nTo view available path variables:\n $ python scons/scons.py --help or -h" % SCONS_LOCAL_CONFIG)
color_print(4,'\n\nTo see overall SCons help options:\n $ python scons/scons.py --help-options or -H\n')
color_print(4,'More info: http://trac.mapnik.org/wiki/MapnikInstallation')
# Need some way to exit cleanly here...
# calling Exit() does not work because that will abort the users ability to get help
env = conf.Finish()
#Exit()
else:
# Save the custom variables in a SCONS_LOCAL_CONFIG that will be reloaded to allow for `install` without re-specifying custom variables
color_print(4,"All Required dependencies found!")
if OVERWRITE_CONFIG:
color_print(4,"Saving '%s' file to hold successful path variables." % SCONS_LOCAL_CONFIG)
if os.path.exists(SCONS_LOCAL_CONFIG):
os.unlink(SCONS_LOCAL_CONFIG)
# Serialize all user customizations into local config file
opts.Save(SCONS_LOCAL_CONFIG,env)
Export('env')
Export('conf')
inputplugins = [ driver.strip() for driver in Split(env['INPUT_PLUGINS'])]
bindings = [ binding.strip() for binding in Split(env['BINDINGS'])]
#### Build instructions & settings ####
# Build agg first, doesn't need anything special
if env['INTERNAL_LIBAGG']:
SConscript('agg/SConscript')
# Build the core library
SConscript('src/SConscript')
# Build shapeindex and remove its dependency from the LIBS
if 'boost_program_options%s' % env['BOOST_APPEND'] in env['LIBS']:
SConscript('utils/shapeindex/SConscript')
env['LIBS'].remove('boost_program_options%s' % env['BOOST_APPEND'])
else :
color_print(1,"WARNING: Cannot find boost_program_options. 'shapeindex' won't be available")
# 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')
# Build the Python bindings.
if 'python' in env['BINDINGS']:
if not os.access(env['PYTHON'], os.X_OK):
color_print(1,"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]
color_print(4,'Bindings Python version... %s' % env['PYTHON_VERSION'])
majver, minver = env['PYTHON_VERSION'].split('.')
if (int(majver), int(minver)) < (2, 2):
color_print(1,"Python version 2.2 or greater required")
Exit(1)
color_print(4,'Python %s prefix... %s' % (env['PYTHON_VERSION'], env['PYTHON_PREFIX']))
SConscript('bindings/python/SConscript')
env = conf.Finish()
# Common C++ flags.
if env['THREADING'] == 'multi' :
common_cxx_flags = '-D%s -DBOOST_SPIRIT_THREADSAFE -DMAPNIK_THREADSAFE ' % env['PLATFORM'].upper()
else :
common_cxx_flags = '-D%s ' % env['PLATFORM'].upper()
# Mac OSX (Darwin) special settings
if env['PLATFORM'] == 'Darwin':
pthread = ''
# Getting the macintosh version number, sticking as a compiler macro
# for Leopard -- needed because different workarounds are needed than
# for Tiger.
if platform.mac_ver()[0].startswith('10.5'):
common_cxx_flags += '-DOSX_LEOPARD '
else:
pthread = '-pthread'
# Common debugging flags.
debug_flags = '-g -DDEBUG -DMAPNIK_DEBUG'
ndebug_flags = '-DNDEBUG'
# Customizing the C++ compiler flags depending on:
# (1) the C++ compiler used; and
# (2) whether debug binaries are requested.
if SUNCC:
if env['DEBUG']:
env.Append(CXXFLAGS = common_cxx_flags + debug_flags)
else:
env.Append(CXXFLAGS = common_cxx_flags + '-O %s' % ndebug_flags)
else:
# Common flags for GCC.
gcc_cxx_flags = '-ansi -Wall %s -ftemplate-depth-100 %s' % (pthread, common_cxx_flags)
if env['DEBUG']:
env.Append(CXXFLAGS = gcc_cxx_flags + '-O0 -fno-inline %s' % debug_flags)
else:
env.Append(CXXFLAGS = gcc_cxx_flags + '-O%s -finline-functions -Wno-inline %s' % (env['OPTIMIZATION'],ndebug_flags))
SConscript('fonts/SConscript')
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