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Re: [patch] Fix PR ada/52362


Paolo,

> The fix is mainly in the Ada tools, but there is a hitch: when you pass a
> response file to the linker by means of the -Wl,@ option, it is intercepted
> by collect2.  And collect2 creates another response file for the linker
> proper only if HAVE_GNU_LD is set to 1.  Now HAVE_GNU_LD is set to 1 only
> if you pass the --with-ld= or --with-gnu-ld switches at configure time; in
> particular, for systems where the use of the GNU linker is the only choice
> and thus hardcoded in config.gcc (e.g. Linux), you can end up with
> HAVE_GNU_LD set to 0, breaking the response file mechanism.  Hence the
> configure.ac hunk.
>
> Tested on i586-suse-linux and i686-pc-mingw32, OK for mainline and 4.7
> branch?
>
>
> 2012-05-18  Eric Botcazou  <ebotcazou@adacore.com>
>
> 	PR ada/52362
> 	* config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
> 	gnu_ld variables to yes.
> 	* configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
> 	(HAVE_GNU_AS): Likewise.
> 	* config.in: Regenerate.
> 	* configure: Likewise.

What do you think about the above change?  Thanks in advance.

-- 
Eric Botcazou


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