add scons build file

Author: Dane Springmeyer

build.py

@@ -0,0 +1,119 @@
+import glob
+import os
+from subprocess import Popen, PIPE
+from distutils import sysconfig
+
+Import('env')
+
+def call(cmd, silent=True):
+    stdin, stderr = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).communicate()
+    if not stderr:
+        return stdin.strip()
+    elif not silent:
+        print stderr
+
+
+prefix = env['PREFIX']
+target_path = os.path.normpath(sysconfig.get_python_lib() + os.path.sep + env['MAPNIK_NAME'])
+
+py_env = env.Clone()
+
+py_env.Append(CPPPATH = sysconfig.get_python_inc())
+
+py_env.Append(CPPDEFINES = env['LIBMAPNIK_DEFINES'])
+
+py_env['LIBS'] = [env['MAPNIK_NAME'],'libboost_python']
+
+link_all_libs = env['LINKING'] == 'static' or env['RUNTIME_LINK'] == 'static'
+
+# even though boost_thread is no longer used in mapnik core
+# we need to link in for boost_python to avoid missing symbol: _ZN5boost6detail12get_tss_dataEPKv / boost::detail::get_tss_data
+py_env.AppendUnique(LIBS = 'boost_thread%s' % env['BOOST_APPEND'])
+
+if link_all_libs:
+    py_env.AppendUnique(LIBS=env['LIBMAPNIK_LIBS'])
+
+# note: on linux -lrt must be linked after thread to avoid: undefined symbol: clock_gettime
+if env['RUNTIME_LINK'] == 'static' and env['PLATFORM'] == 'Linux':
+    py_env.AppendUnique(LIBS='rt')
+
+# TODO - do solaris/fedora need direct linking too?
+if env['PLATFORM'] == 'Darwin':
+    python_link_flag = '-undefined dynamic_lookup'
+
+paths = '''
+"""Configuration paths of Mapnik fonts and input plugins (auto-generated by SCons)."""
+
+from os.path import normpath,join,dirname
+
+mapniklibpath = '%s'
+mapniklibpath = normpath(join(dirname(__file__),mapniklibpath))
+'''
+
+paths += "inputpluginspath = join(mapniklibpath,'input')\n"
+
+if env['SYSTEM_FONTS']:
+    paths += "fontscollectionpath = normpath('%s')\n" % env['SYSTEM_FONTS']
+else:
+    paths += "fontscollectionpath = join(mapniklibpath,'fonts')\n"
+
+paths += "__all__ = [mapniklibpath,inputpluginspath,fontscollectionpath]\n"
+
+if not os.path.exists(env['MAPNIK_NAME']):
+    os.mkdir(env['MAPNIK_NAME'])
+
+file('mapnik/paths.py','w').write(paths % (env['MAPNIK_LIB_DIR']))
+
+# force open perms temporarily so that `sudo scons install`
+# does not later break simple non-install non-sudo rebuild
+try:
+    os.chmod('mapnik/paths.py',0666)
+except: pass
+
+# install the shared object beside the module directory
+sources = glob.glob('src/*.cpp')
+
+if 'install' in COMMAND_LINE_TARGETS:
+    # install the core mapnik python files, including '__init__.py'
+    init_files = glob.glob('mapnik/*.py')
+    if 'mapnik/paths.py' in init_files:
+        init_files.remove('mapnik/paths.py')
+    init_module = env.Install(target_path, init_files)
+    env.Alias(target='install', source=init_module)
+    # fix perms and install the custom generated 'paths.py'
+    targetp = os.path.join(target_path,'paths.py')
+    env.Alias("install", targetp)
+    # use env.Command rather than env.Install
+    # to enable setting proper perms on `paths.py`
+    env.Command( targetp, 'mapnik/paths.py',
+        [
+        Copy("$TARGET","$SOURCE"),
+        Chmod("$TARGET", 0644),
+        ])
+
+if 'uninstall' not in COMMAND_LINE_TARGETS:
+    if env['HAS_CAIRO']:
+        py_env.Append(CPPPATH = env['CAIRO_CPPPATHS'])
+        py_env.Append(CPPDEFINES = '-DHAVE_CAIRO')
+        if link_all_libs:
+            py_env.Append(LIBS=env['CAIRO_ALL_LIBS'])
+
+    if env['HAS_PYCAIRO']:
+        py_env.Append(CPPDEFINES = '-DHAVE_PYCAIRO')
+        py_env.Append(CPPPATH = env['PYCAIRO_PATHS'])
+
+py_env.Append(LINKFLAGS=python_link_flag)
+py_env.AppendUnique(LIBS='mapnik-json')
+py_env.AppendUnique(LIBS='mapnik-wkt')
+
+_mapnik = py_env.LoadableModule('mapnik/_mapnik', sources, LDMODULEPREFIX='', LDMODULESUFFIX='.so')
+
+Depends(_mapnik, env.subst('../../src/%s' % env['MAPNIK_LIB_NAME']))
+Depends(_mapnik, env.subst('../../src/json/libmapnik-json${LIBSUFFIX}'))
+Depends(_mapnik, env.subst('../../src/wkt/libmapnik-wkt${LIBSUFFIX}'))
+
+if 'uninstall' not in COMMAND_LINE_TARGETS:
+    pymapniklib = env.Install(target_path,_mapnik)
+    py_env.Alias(target='install',source=pymapniklib)
+
+env['create_uninstall_target'](env, target_path)