[K42-discussion] static_buf in gentmp

[Donour Sizemore]

Donour Sizemore wrote:
> I'm getting linking errors like this:
> 
> --
> 
> ServerFileBlockNFS.o:(.toc1+0x4b0): undefined reference to 
> `TplMetaVAPageServer<ServerFileBlockNFS>::static_buf'
> ServerFileBlockK42RamFS.o:(.toc1+0x3d8): undefined reference to 
> `TplMetaPAPageServer<ServerFileBlockK42RamFS>::static_buf'
> ServerFileBlockKFS.o:(.toc1+0x2d8): undefined reference to 
> `TplMetaPAPageServer<ServerFileBlockKFS>::static_buf'
> /home/donour/git/install/lib/powerpc/fullDeb/libfs.a(PagingTransportPA.o):(.toc1+0x150): 
> undefined reference to `TplMetaPAPageServer<PagingTransportPA>::static_buf'
> /home/donour/git/install/lib/powerpc/fullDeb/libfs.a(PagingTransportVA.o):(.toc1+0x150): 
> undefined reference to `TplMetaVAPageServer<PagingTransportVA>::static_buf'
> --
> 
> That seem to be coming from the code created from gentmp.awk.
> 
> -- gentmp.awk --
> function createStandardFunc()
> {
>    ...
>   
>   printf("template<> char 
> %s<INSTNAME>::static_buf[sizeof(%s<INSTNAME>)]\n",TMclass,TMclass)              
>  > XF;
>   
>    ...
> --
> 
> 
> Does anybody know what the purpose of the static_buf member?
> 
> thanks
> 

Looking at this further. gcc3 sticks this buffer into the object files 
as a common, 'C', symbol. However gcc4 just generates the reference 
symbol (in our case an undefined reference) when the object is used. 
Does anybody know why this behavior should be different?

donour