On 01/24/2015 05:46 AM, Vinson Lee wrote:
> Fix build error.
> 
>   CCLD     libGL.la
> libglapi.a(glapi_libglapi_la-glapi_gentable.o): In function 
> `__glapi_gentable_NoOp':
> glapi_gentable.c:76: undefined reference to `backtrace'
> 
> Signed-off-by: Vinson Lee <v...@freedesktop.org>
> ---
>  src/mapi/glapi/gen/gl_gentable.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/mapi/glapi/gen/gl_gentable.py 
> b/src/mapi/glapi/gen/gl_gentable.py
> index 06a5ebf..fb578e3 100644
> --- a/src/mapi/glapi/gen/gl_gentable.py
> +++ b/src/mapi/glapi/gen/gl_gentable.py
> @@ -42,7 +42,7 @@ header = """/* GLXEXT is the define used in the xserver 
> when the GLX extension i
>  #endif
>  
>  #if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \\
> -     || (!defined(GLXEXT) && defined(DEBUG) && !defined(__CYGWIN__) && 
> !defined(__MINGW32__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && 
> !defined(__DragonFly__))
> +     || (!defined(GLXEXT) && defined(DEBUG) && !defined(__CYGWIN__) && 
> !defined(__MINGW32__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && 
> !defined(__DragonFly__) && !defined(__FreeBSD__))
>  #define USE_BACKTRACE
>  #endif

It seems weird that we need all the BSDs in this check.  Is configure
setting HAVE_BACKTRACE mistakenly?  Or is this logic just broken?  Does

#if defined(HAVE_BACKTRACE) && (defined(GLXEXT) || defined(DEBUG))

work everywhere?

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