[PD] compiling helloworld on winXP
cdr
ix at replic.net
Thu Mar 9 23:35:34 CET 2006
On Thu Mar 09, 2006 at 11:26:27PM +0100, .: monsular :. wrote:
> ok, thanks a lot cdr!
>
> i could now compile the project. but(!)..
>
> the outputted file was a helloworld.dll
>
> i now tried to import the .dll with
> "pd.ex -lib c:/path/to/external/helloworld" (tried wit and without file extesion .dll)
>
> but, what else .... this error followed in pd:
>
> -: can't load library
> load_object: Symbol "helloworld_setup" not found
> c:/path/to/external/helloworld: can't load library
>
> and now?
>
> the helloworld setup function is in the sourcefile.
> may this cause by a wrong compiled dll?
> or did i do something wrong at the importing?
try just 'pd -lib helloworld'. and make sure helloworld is in PD's search path. if you compiled with MSVC you have to do somethign to export helloworld_setup too. check the archives for that..
>
>
>
>
> top error snipped, but be sure to send -DNT (or -DMSW) to the preprocessor
>
> > [Linker error] undefined reference to `post'
> > [Linker error] undefined reference to `pd_new'
> > [Linker error] undefined reference to `gensym'
> > [Linker error] undefined reference to `class_new'
> > [Linker error] undefined reference to `class_addbang'
> > ld returned 1 exit status
> > [Build Error] [obj.dll] Error 1
> >
> > i don't know what i can do next...
>
> the linker needs some hints to find libpd, aka pd.dll (or pd.lib with MSVC). you could rename it libpd.dll, then -lpd would work (with GCC), or simply add the path to pd.dll to the linker arguments (absolute path, or relative if you did -Lbin/)
>
> >
> > what kind of project do i have to choose? dll? console?
>
> dll..
>
> > should i do it better in visual c++?
>
> if you are using MSVC you additionally have to -DPD_EXTERNAL and weird tricks with declspec(dllimport) or something, so GCC is definitely simpler from a user standpoint..and if you are using GCC, add -mms-bitfields to the compiler flags so your external wont segfault when running in a MSVC-compiled host..
>
> goodluck, looking forward to yer externals..
>
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