[PD] Externals built with MSYS2/MinGW won't load

[Christof Ressi]

I should add that I followed the steps given here:

https://lists.puredata.info/pipermail/pd-list/2007-06/051560.html

However, "-export_dynamic" gave me:

C:\msys64\mingw32\bin\ld.exe: warning: cannot find entry symbol xport_dynamic; defaulting to 10001000

trying "-E" and "--export-dynamic":

C:\msys64\mingw32\bin\ld.exe: warning: --export-dynamic is not supported for PE targets, did you mean --export-all-symbols?


so I tried with "--export-all-symbols" and this worked for obj1.c and obj2.c. I can't, however, see why it doesn't work for obj3.c as the difference to obj2.c is rather marginal (adds an outlet and a state variable).

Any hints are greatly appreciated!


> Gesendet: Donnerstag, 07. April 2016 um 02:22 Uhr
> Von: "Christof Ressi" <christof.ressi at gmx.at>
> An: Pd-List <pd-list at lists.iem.at>
> Betreff: [PD] Externals built with MSYS2/MinGW won't load
>
> Dear list, 
> 
> I tried to compile the test externals in doc/6.externs on Windows 7 from the command line using MSYS2/MinGW.
> I put everything (source files, m_pd.h and pd.dll) in one folder for the sake of convenience.
> 
> I compile with 
> $ gcc -c obj1.c -o obj1.o
> and link with
> $ ld --export-all-symbols -shared -o test-obj3.dll obj3.o pd.dll
> 
> compiling and linking works without any errors or warnings.
> test-obj1 and test-obj2 seem to load and work fine in Pd, but for test-obj3 Pd console tells me:
> 
> "C:\\Program Files (x86)\\pd vanilla\\extra\\stuff\\test-obj3.dll: couldn't load"
> 
> The same thing happens when I try to build test-obj4, test-obj5 and test-dspobj~.
> What could be the problem? I took the source files as they were and built all objects the exact same way...
> 
> Many thanks in advance!
> 
> 
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