load issue with extension in a tclkit

Zbigniew Diaczyszyn <[email protected]> Fri, 30 Aug 2013 10:12:49 +0200
Newsgroups gmane.comp.lang.tcl.starkit
Message-ID <[email protected]>
I tried to create an extension with the following parameters:

gcc -Wall -shared -fPIC -I ~/Programme/Active-Tcl-8.5/include/ -L ~/Programme/Active-Tcl-8.5/lib/ -ltclstub8.5 -o twofish.so twofish2tcl.c -DUSE_TCL_STUBS

The extension is initialized with the stubs option:

int Twofish_Init(Tcl_Interp *interp) {



    if (Tcl_InitStubs(interp, "8.5", 0) == NULL) {

        return TCL_ERROR;

    }
...

Called with a tclsh interpreter it works well though ldd shows an unresolved symbol:

$ ldd -u twofish.so
      4663:	./twofish.so: error: symbol lookup error: undefined symbol: tclStubsPtr (continued)
undefined symbol: tclStubsPtr	(./twofish.so)

The created kit executable (AS basekit 8.5.13) shows finally the following error:

couldn't load file "/tmp/tclJ8M144": /tmp/tclJ8M144: undefined symbol: Tcl_InitStubs

In the net I couldn't find any details how a kit is loading extensions.



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