[C++-sig] Building boost.python on Mac OS X

[Jonathan Brandmeyer]

On Fri, 2003-09-12 at 19:39, Jonathan Brandmeyer wrote:

> Thanks for these pointers.  Based on that information and your public
> build logs, I was able to build and link libboost_python.dylib and our
> extension module against a non-framework installation of Python2.3.  The
> following make rule does the job for libboost_python.dylib:
> libboost_python.dylib: $(BOOST_OBJS)
> 	ld -w -d -u -o libboost_python.lo $^

	g++ -w -dynamic -undefined suppress -flat_namespace -o $@ \
	libboost_python.lo
  	                                      
> 	rm -f libboost_python.lo
> 
> Since all of the resulting undefined symbols are in the python2.3
> executable, they are resolved at module-load time.  The two-stage
> linking is a mystery to me, but I did not need to force the linker flags
> for the second stage.
> 

"-flat_namespace" is also required due to the "-undefined suppress".

-Jonathan Brandmeyer