Re: [Enigma-devel] BUG: tolua verirrt

[Tacvek]

----- Original Message ----- 
From: "Ronald Lamprecht" <address@hidden>
To: "martin capitanio" <address@hidden>; "Raoul Bourquin" 
<address@hidden>; "Erich Schubert" <address@hidden>
Cc: <address@hidden>
Sent: Wednesday, November 29, 2006 2:58 PM
Subject: Re: [Enigma-devel] BUG: tolua verirrt


> Hi,
>
> martin capitanio wrote:
> > I just tried compile the svn trunk. The '-x c++' option is
> > misapplied here.
> >
> > Martin Capitanio
> >
> > svn up
> > Revision 484
> >
> > ...
> > make[1]: Leaving directory `/rep/svn/public/enigma-game-trunk/lib-src'
> > Making all in tools
> > make[1]: Entering directory `/rep/svn/public/enigma-game-trunk/tools'
> > gcc -I../lib-src/lua -x c++  -DENABLE_ASSERT -g -DCXXLUA -g -O2   -o 
> > tolua tolua-tolua.o tolua-toluabind.o -L../lib-src/lua -
> > llua -lstdc++ -lxerces-c -lpng -ldl
>
> Just guessing - you use Debian with  autoconf 2.60a-4, a test version of 
> autoconf?
>
> Raoul had exactly the same problem. My recommendation was to downgrade to 
> the stable 2.59a-3 autoconf version what seemed to help.
>
> @Raoul did you downgrade automake, too?
>
> The gcc command above is nonsense. The error should be anywhere in 
> autoconf/automake.
>
> Please report the error to the maintainers of the autoconf/automake 
> package.

Ronald, are you sure about that? It looks to me like either automake or 
autoconf decided to use gcc as the linker.
IIRC that is perfectly valid, as gcc is happy to pretend to be a linker, and 
simply pass the relevant arguments on to the linker.
The problem is that it used both $CFLAGS and $LDFLAGS when calling gcc as a 
linker. The "-x c++" causes gcc to ignore the file extentions,
and attempt to compile the .o files as though they were C++ files, before 
trying to link them.

If there is a bug in atuoconf/automake I would say it is passing $CFLAGS to 
gcc when invoking gcc as a linker.
That said, upsteam may feel that is the correct thing to do. I doubt 
upstream autoconf and automake maintainers support
use of "-x c++" in $CLAGS, for many reasons, not the least of which is that 
that option is not very portable.