[Distutils] Duelling SWIG patches
Fri, 23 Jun 2000 22:03:41 -0400
On 23 June 2000, Thomas Heller said:
> I don't like this patch.
Well, at least you're up-front and honest. ;-)
> While I won't argue whether ccompiler is an appropriate superclass
> for swig, swig shares some important properties:
> Swig has command line flags to specify include directories -I<dir>,
> libraries -l<ifile>, define symbols -Dsymbol like C-compilers.
> Other options which are maybe usefull for python extensions
> are -t <typemap file>, -shadow (create shadow classes),
> -module name (set module name) and maybe more.
All true. *BUT* SWIG doesn't vary across platforms, there aren't
multiple SWIG implementations to worry about, and therefore there's no
need for an "abstract SWIG interface".
> From this I have the impression that swig should be a separate class
> implemented in swig.py, and there should be distutils command line
> flags for setting the above options (and also the -c++ option).
> Although I did not implement them so far.
I'll buy that. I make no claim that my SWIG patch has anywhere near
enough support for running SWIG in the real world; I suspect that adding
such support will make it grow up into a real class. But that class
really has no need to implement the CCompiler interface. Nor should it,
since SWIG is not a C compiler: it's a SWIG interface file compiler.
> (Sidenote: I also needed a swig-object in build_ext for my setup-script
> for win32all. I had to extend distutils in the setup-script
> because there are also exe-files to be built from C++
> and swig sources).
I thought I mentioned this recently: there *is* a 'link_executable()'
method in MSVCCompiler. If it works, why not use it? If it doesn't
work, could you submit a patch instead of implementing your own? (And
if the interface specified by CCompiler is insufficient, I'd like to
find out *now*!)
> As I pointed out in a separate post, there should also be an option
> to specify C or C++ processing.
Agreed -- yet another good argument for a SWIG class.
> If I find time, I will submit a new patch.
Cool. My time is probably better spent learning SWIG. No wait, I mean
documenting and testing the Distutils... sigh...
Greg Ward - Linux nerd email@example.com
I don't believe there really IS a GAS SHORTAGE.. I think it's all just
a BIG HOAX on the part of the plastic sign salesmen -- to sell more numbers!!