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Date: Sat, 02 May 2009 20:42:53 -0400
From: Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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Subject: Re: [ANNOUNCEMENT] [1.7] pl-0.10.2-1 - the Parma Polyhedra Library
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Dave Korn wrote:
> Charles Wilson wrote:
>> Dave Korn wrote:
>>> Charles Wilson wrote:
>>>> Roberto Bagnara wrote:
>>>>
>>>>> concerning the need to link with "LDFLAGS=-Wl,--enable-auto-import",
>>>>> I am wondering if there is something we could do upstream to simplify
>>>>> the life of Cygwin users.  If so, please let me know.
>>>> In gcc-4.x --enable-auto-import is the default.
>>>   No, right now it's the default setting in binutils CVS, but I haven't added
>>> it to the gcc specs.  (Guess I should for the benefit of those with older
>>> linkers).
>> You're right; I was confused.  I was thinking of the binutils change.
>> However, I wonder about the gcc thing.  If the specs file includes
>> -Wl,--enable-auto-import, and I pass -Wl,--disable-auto-import on the
>> command line, who wins?
> 
> 
>   I just don't know.  I suspect it may even depend; e.g. DRIVER_SELF_SPECS
> gets applied early, LINK_SPEC later, but I haven't experimented.  (On the
> actual ld command-line itself, later options always override earlier ones.)

In that case, maybe it's better to just leave the default behavior up to
binutils and not try to over-specify using the specs file approach.

--
Chuck

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