[Bug driver/41024] driver passes wrong parameter to as

[ktietz at gcc dot gnu dot org]

------- Comment #2 from ktietz at gcc dot gnu dot org  2009-09-05 10:02 -------
(In reply to comment #1)
> It's because of this in gcc/config/i386/mingw-w64.h:
> 
> #define ASM_SPEC "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} \
>  %{Wa,*:%*} %{m32:--32} %{m64:--64}"
> 
> 
> The "%{v:-V}" part is what's triggering what you see. Now, the question is why
> is your as rejecting the -V option? My linux as accepts it, my darwin as also,
> but i586-pc-mingw32-as doesn't...
> 
> After further investigation, it seems that handling the option -V on i386
> processors is only done for ELF targets; can't even begin to think of a good
> reason for that, but that's what gas source code says. So, I recommend the
> following (untested) patch to GCC:
> 
> Index: gcc/config/i386/mingw-w64.h
> ===================================================================
> --- gcc/config/i386/mingw-w64.h (revision 151373)
> +++ gcc/config/i386/mingw-w64.h (working copy)
> @@ -36,7 +36,7 @@
>  /* Enable multilib.  */
> 
>  #undef ASM_SPEC
> -#define ASM_SPEC "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} \
> +#define ASM_SPEC "%{v} %{n} %{T} %{Ym,*} %{Yd,*} \
>   %{Wa,*:%*} %{m32:--32} %{m64:--64}"
> 
>  #if TARGET_64BIT_DEFAULT
> 

Ok, could you sent a patch for it. It is pre-approved by me.

Thanks,
Kai


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41024