[LLVMdev] More configure problems

[Reid Spencer]

On Mon, 2004-08-30 at 21:46, Jeff Cohen wrote:
> This isn't my day...  
> 
> gmake[2]: Entering directory `/usr/home/llvm/obj/utils/TableGen'
> Bisoning FileParser.y
> Flexing /usr/home/llvm/obj/../utils/TableGen/FileLexer.l
> gmake[2]: Leaving directory `/usr/home/llvm/obj/utils/TableGen'
> gmake[2]: Entering directory `/usr/home/llvm/obj/utils/TableGen'
> Compiling AsmWriterEmitter.cpp
> Compiling CodeEmitterGen.cpp
> Compiling CodeGenTarget.cpp
> Compiling FileLexer.cpp
> Compiling FileParser.cpp
> FileParser.tab.c: In function `int Fileparse()':
> FileParser.tab.c:2043: error: syntax error before `goto'
> 
> The offending lines bison generated are:
> 
> /*----------------------------------------------------.
> | yyerrlab1 -- error raised explicitly by an action.  |
> `----------------------------------------------------*/
> yyerrlab1:
> 
>   /* Suppress GCC warning that yyerrlab1 is unused when no action
>      invokes YYERROR.  */
> #if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
>   __attribute__ ((__unused__))
> #endif
> 
>   goto yyerrlab2;     <== line 2043
> 
> I'm using bison 1.875.  But it worked the last time, so I don't know why
> it doesn't work now.  Deleting the __attribute__ clause fixes it.

This has come up before. Its a bison bug. You'll need to try an older
version. I use 1.35 and all works fine.

LLVM Bug: http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=302
Bison Bug:
http://mail.gnu.org/archive/html/bug-bison/2004-01/msg00011.html

Reid.
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