[fpc-pascal] RichMemo in shared SO library - relocation error

[Jonas Maebe]

On 23 Sep 2010, at 16:02, Dibo wrote:

> I have no problem with LCL and Richmemo in DLL, but on linux I can't
> build SO library with TRichMemo. I get this error:
>
> /usr/bin/ld: /home/dibo/Programowanie/Lazarus/components/richmemo/ 
> lib/x86_64-linux/richmemo.o: relocation R_X86_64_32S against  
> `TC_RICHMEMO_RTFLOADSTREAM' can not be used when making a shared  
> object; recompile with -fPIC
>
> /home/dibo/Programowanie/Lazarus/components/richmemo/lib/x86_64- 
> linux/richmemo.o: could not read symbols: Bad value
>
> Compiling with -fPIC switch doesn't help (I rebuilt RTL with  
> CREATESHARED=1 too). Project with empty form (and
> with random LCL components) is compiling without errors. I post this  
> bug
> on mantis some times ago, but maybe this is minor bug and I cans fix
> this in source by my self (it blocks the development of my project)?  
> Any
> idea? It seems, that compiler have problem with this global variables:
>
> var
>  RTFLoadStream : function (AMemo: TCustomRichMemo; Source: TStream):  
> Boolean = nil;
>  RTFSaveStream : function (AMemo: TCustomRichMemo; Dest: TStream):  
> Boolean = nil;
>
> I have latest FPC and Lazarus from SVN
> Ubuntu 10.4 64 bit

You can probably work around the problem for now by going to line 1448  
of compiler/ptconst.pas and changing

         if sym.varspez=vs_const then
           cursectype:=sec_rodata
         else
           cursectype:=sec_data;

into

         cursectype:=sec_data;


Jonas