Of course! Silly mistake... thank you!, that worked perfectly... On Tue, Jul 7, 2009 at 1:43 PM, William Ladwig<wlad...@wdtinc.com> wrote: > You definitely want the name of the extension .so file to be cylucene.so, so > you will want to drop the 'lib' prefix. Is your BOOST_PYTHON_MODULE > contained in a file named cylucene.cpp? It looks like you are using a > cylucene.cpp file in the final step of your makefile, but it is not in your > list of "FILES" for your scons script, so I don't think it is ever getting > compiled and linked (that would be consistent with the error you are > getting). If that's the case, you can probably just add it to the FILES list > and everything will come to life. > > Also, here is a link from the boost.python howto which has an example of > building with scons: > > http://wiki.python.org/moin/boost.python/BuildingExtensions > > Bill > > > ________________________________________ > From: cplusplus-sig-bounces+wladwig=wdtinc....@python.org > [cplusplus-sig-bounces+wladwig=wdtinc....@python.org] On Behalf Of Nicolas > Lara [nicolasl...@gmail.com] > Sent: Tuesday, July 07, 2009 7:54 AM > To: Development of Python/C++ integration > Subject: Re: [C++-sig] Building with Scons > > Thanks for the reply, > > Yes, I checked the name of the module. It matches the name of the > generated file. I also tried changing the name to include "lib" (since > scons also generates called libcylucene.so) but it doesnt work. > My module looks like this: > > void init_util(); > > BOOST_PYTHON_MODULE(cylucene) > { > init_util(); > } > > On Tue, Jul 7, 2009 at 2:53 AM, William Ladwig<wlad...@wdtinc.com> wrote: >> Does the name of the module defined in your BOOST_PYTHON_MODULE section >> match the name of the .so file (assuming you are using Linux)? That's >> usually the error I get when I have a name mismatch. >> >> Also, I haven't really used scons, but shouldn't this: >> >> env.SharedLibrary(target='cylucene', source=FILES, SHLIBPREFIX='') >> >> be: >> >> env.SharedLibrary(target='cylucene', source=FILES, SHLIBPREFIX=''") ? >> >> >> Bill >> >> >> ________________________________________ >> From: cplusplus-sig-bounces+wladwig=wdtinc....@python.org >> [cplusplus-sig-bounces+wladwig=wdtinc....@python.org] On Behalf Of Nicolas >> Lara [nicolasl...@gmail.com] >> Sent: Monday, July 06, 2009 6:25 PM >> To: Development of Python/C++ integration >> Subject: [C++-sig] Building with Scons >> >> Hello, >> >> I am trying to build a python extension with scons but the resulting >> library cannot be loaded: >> ImportError: dynamic module does not define init function (initcylucene) >> >> I am using the following SConstruct file: >> >> FILES = ['typeconversion.cpp', 'document.cpp', 'search.cpp', >> 'queryparser.cpp', >> 'analysis.cpp', 'index.cpp', 'store.cpp', 'util.cpp'] >> def python_tool(env): >> pybase = 'python%s' % sys.version[0:3] >> env.Append(CPPPATH=[os.path.join(sys.prefix, 'include', pybase)], >> LIBPATH=[os.path.join(sys.prefix, 'lib', pybase, 'config')], >> LIBS=['lib%s' % pybase]) >> if env['PLATFORM'] not in ['cygwin', 'win32']: >> env.Append(LIBS=['util']) >> >> def boost_python_tool(env): >> env.Append(CPPDEFINES=['BOOST_PYTHON_DYNAMIC_LIB', >> 'BOOST_PYTHON_DYNAMIC_MODULE'], >> CPPPATH=['$boostIncludes'], # boostIncludes is a PathOption >> LIBS=['boost_python']) >> >> def clucene_tool(env): >> env.Append(CPPPATH=['/usr/local/lib/CLucene/', >> '/usr/local/lib/'], >> LIBS=['clucene']) >> >> import os >> env = Environment(ENV=os.environ, tools=['default', python_tool, >> boost_python_tool, clucene_tool]) >> env.SharedLibrary(target='cylucene', source=FILES, SHLIBPREFIX='') >> >> >> Previously I was using the following Makefile, which worked but was >> statically linked: >> >> SHELL = /bin/bash >> SRC = ./src/ >> BUILD = ./build/ >> INCLUDES = -I/usr/include/python2.6/ -I/usr/local/lib/ >> -I/usr/local/lib/CLucene/ >> LIBS = -lboost_python -lpython2.6 -lclucene >> CFLAGS = -shared -fPIC -g -pedantic -Wall -Wextra >> OBJECTS = document.o search.o queryparser.o analysis.o index.o store.o util.o >> LOBJECTS = $(BUILD)typeconversion.o $(BUILD)document.o >> $(BUILD)search.o $(BUILD)queryparser.o $(BUILD)analysis.o >> $(BUILD)index.o $(BUILD)store.o $(BUILD)util.o >> >> all: cylucene >> >> cylucene: $(OBJECTS) >> mkdir -p $(BUILD) && cp $(SRC)initfile.py $(BUILD)__init__.py >> $(CC) $(SRC)cylucene.cpp $(LOBJECTS) $(INCLUDES) $(LIBS) $(CFLAGS) -o >> $(BUILD)cylucene.so >> >> document.o: typeconversion.o >> mkdir -p $(BUILD) >> $(CC) $(SRC)document.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o >> $(BUILD)document.o >> >> queryparser.o: typeconversion.o >> mkdir -p $(BUILD) >> $(CC) $(SRC)queryparser.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o >> $(BUILD)queryparser.o >> >> analysis.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)analysis.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o >> $(BUILD)analysis.o >> >> search.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)search.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o >> $(BUILD)search.o >> >> index.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)index.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o $(BUILD)index.o >> >> store.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)store.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o $(BUILD)store.o >> >> util.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)util.cpp $(INCLUDES) $(LIBS) $(CFLAGS) -o $(BUILD)util.o >> >> typeconversion.o: >> mkdir -p $(BUILD) >> $(CC) $(SRC)typeconversion.cpp $(CFLAGS) -o $(BUILD)typeconversion.o >> >> clean: >> rm -Rf build/ >> >> >> Does anyone have experience working with scons and boost::python? Can >> anyone help? >> >> Thanks in advance! >> >> >> -- >> Nicolas Lara >> Linux user #380134 >> http://nicolas-lara.blogspot.com/ >> Public key id: 0x152e7713 at http://subkeys.pgp.net/ >> _______________________________________________ >> Cplusplus-sig mailing list >> Cplusplus-sig@python.org >> http://mail.python.org/mailman/listinfo/cplusplus-sig >> _______________________________________________ >> Cplusplus-sig mailing list >> Cplusplus-sig@python.org >> http://mail.python.org/mailman/listinfo/cplusplus-sig >> > > > > -- > Nicolas Lara > Linux user #380134 > http://nicolas-lara.blogspot.com/ > Public key id: 0x152e7713 at http://subkeys.pgp.net/ > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org > http://mail.python.org/mailman/listinfo/cplusplus-sig > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org > http://mail.python.org/mailman/listinfo/cplusplus-sig >
-- Nicolas Lara Linux user #380134 http://nicolas-lara.blogspot.com/ Public key id: 0x152e7713 at http://subkeys.pgp.net/ _______________________________________________ Cplusplus-sig mailing list Cplusplus-sig@python.org http://mail.python.org/mailman/listinfo/cplusplus-sig
