Wireshark-dev: Re: [Wireshark-dev] linker error trying to build wireshark with basic dissector
Hi,
Your milage may improve when you read doc/README.plugin. That contains the
latest stuff about plugin development.
Thanx,
Jaap
On Fri, 2 Feb 2007, David Bunch wrote:
> Hi all, I'm trying to build the basic dissector plugin template as found in
> the developers guide. It compiles fine, however when it tries to link it, i
> get this linker error:
>
> _____________________________BEGIN ERROR_______________________________
>
> .libs/blksh.la-1.o(.rodata+0x0): In function `plugin_register':
> /home/deb32/wireshark-0.99.4/plugins/blksh/plugin.c:19: multiple
> definition of `version'
> .libs/packet-blksh.o(.rodata+0x0):/home/deb32/wireshark-0.99.4/plugins/blksh/packet-blksh.c:39:
> first defined here
> .libs/blksh.la-1.o(.text+0x0): In function `plugin_register':
> /home/deb32/wireshark-0.99.4/plugins/blksh/plugin.c:19: multiple
> definition of `plugin_register'
> .libs/packet-blksh.o(.text+0x0):/home/deb32/wireshark-0.99.4/plugins/blksh/packet-blksh.c:39:
> first defined here
> /usr/bin/ld: Warning: size of symbol `plugin_register' changed from 39
> to 27 in .libs/blksh.la-1.o
> .libs/blksh.la-1.o(.text+0x1c): In function `plugin_reg_handoff':
> /home/deb32/wireshark-0.99.4/plugins/blksh/plugin.c:25: multiple
> definition of `plugin_reg_handoff'
> .libs/packet-blksh.o(.text+0x28):/home/deb32/wireshark-0.99.4/plugins/blksh/packet-blksh.c:47:
> first defined here
> make[3]: *** [blksh.la] Error 1
> make[2]: *** [all-recursive] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> __________________________END ERROR_____________________________________
>
> My plugin_register function is defined as such...
>
>
> ___________________________CODE BEGIN____________________________________
> #ifndef ENABLE_STATIC
> G_MODULE_EXPORT void
> plugin_register(void)
> {
> /* register the new protocol, protocol fields and subtrees */
> if (proto_blk_sim_hello == -1) { /* protocol init, done only once */
> proto_register_blk_sim_hello();
> }
> }
>
> G_MODULE_EXPORT void
> plugin_reg_handoff(void) {
> proto_reg_handoff_blk_sim_hello();
> }
> #endif
> ___________________________CODE END____________________________
>
> Any insight into this would be appreciated. Thanks a lot.
>
>
>
>
>
> --
> Whoever fights monsters should see to it that in the process he does not
> become a monster. And when you look into an abyss, the abyss also looks
> into you.
> -- Friedrich Nietzsche
>
