* Re: gcc: turning off large-address awareness
@ 2012-06-20 11:19 Daniel Diaz
2012-06-20 14:49 ` Christopher Faylor
0 siblings, 1 reply; 12+ messages in thread
From: Daniel Diaz @ 2012-06-20 11:19 UTC (permalink / raw)
To: cygwin
Hi Christopher,
have you integrated the --disable option for --large-address-aware in
binutils ?
Daniel
On Sat, 14 Apr 2012 15:01:03 -0400, Christopher Faylor wrote:
> On Sat, Apr 14, 2012 at 02:48:27PM -0400, Ken Brown wrote:
>>On 4/14/2012 1:33 PM, Christopher Faylor wrote:
>>> You're right that there isn't a way to disable --large-address-aware
>>> but, since it's part of the specs, I'm not sure what would take
>>> precedence if there was a --disable* option.
>>>
>>> You could try using the above to create your own spec file and use
>>> that on the command line for gcc, cumbersome as it is.
>>
>>That works, thanks. I didn't know about spec files.
>
> I'll try to remember to add a --disable option to my next binutils
> release.
>
> cgf
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-06-20 11:19 gcc: turning off large-address awareness Daniel Diaz
@ 2012-06-20 14:49 ` Christopher Faylor
0 siblings, 0 replies; 12+ messages in thread
From: Christopher Faylor @ 2012-06-20 14:49 UTC (permalink / raw)
To: cygwin
On Wed, Jun 20, 2012 at 01:18:54PM +0200, Daniel Diaz wrote:
>Hi Christopher,
>
>have you integrated the --disable option for --large-address-aware in
>binutils ?
There hasn't been a new release of binutils since that message, no.
cgf
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 19:01 ` Christopher Faylor
@ 2012-05-21 7:35 ` Daniel Diaz
0 siblings, 0 replies; 12+ messages in thread
From: Daniel Diaz @ 2012-05-21 7:35 UTC (permalink / raw)
To: cygwin
Christopher Faylor <cgf-use-the-mailinglist-please <at> cygwin.com> writes:
>
> On Sat, Apr 14, 2012 at 02:48:27PM -0400, Ken Brown wrote:
> >On 4/14/2012 1:33 PM, Christopher Faylor wrote:
> >> You're right that there isn't a way to disable --large-address-aware
> >> but, since it's part of the specs, I'm not sure what would take
> >> precedence if there was a --disable* option.
> >>
> >> You could try using the above to create your own spec file and use
> >> that on the command line for gcc, cumbersome as it is.
> >
> >That works, thanks. I didn't know about spec files.
>
> I'll try to remember to add a --disable option to my next binutils
> release.
>
> cgf
>
>
Hi Christopher,
when do you plan to release a version of binutils recognizing a
--disable-large-address-aware flag ?
Daniel
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 18:48 ` Ken Brown
@ 2012-04-14 19:01 ` Christopher Faylor
2012-05-21 7:35 ` Daniel Diaz
0 siblings, 1 reply; 12+ messages in thread
From: Christopher Faylor @ 2012-04-14 19:01 UTC (permalink / raw)
To: cygwin
On Sat, Apr 14, 2012 at 02:48:27PM -0400, Ken Brown wrote:
>On 4/14/2012 1:33 PM, Christopher Faylor wrote:
>> You're right that there isn't a way to disable --large-address-aware
>> but, since it's part of the specs, I'm not sure what would take
>> precedence if there was a --disable* option.
>>
>> You could try using the above to create your own spec file and use
>> that on the command line for gcc, cumbersome as it is.
>
>That works, thanks. I didn't know about spec files.
I'll try to remember to add a --disable option to my next binutils
release.
cgf
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 17:53 ` Earnie Boyd
2012-04-14 18:51 ` Ken Brown
@ 2012-04-14 18:57 ` Christopher Faylor
1 sibling, 0 replies; 12+ messages in thread
From: Christopher Faylor @ 2012-04-14 18:57 UTC (permalink / raw)
To: cygwin
On Sat, Apr 14, 2012 at 01:52:46PM -0400, Earnie Boyd wrote:
>On Sat, Apr 14, 2012 at 1:33 PM, Christopher Faylor wrote:
>> On Sat, Apr 14, 2012 at 01:21:25PM -0400, Ken Brown wrote:
>>>On 4/14/2012 12:37 PM, Earnie Boyd wrote:
>>>> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>>>>> For testing purposes, I'd like to build without large-address awareness.
>>>>> ?? What's the right way to do that? ??I tried
>>>>>
>>>>> ?? ??LDFLAGS=-Wl,--no-large-address-aware
>>>>>
>>>>> and
>>>>>
>>>>> ?? ??LDFLAGS=-Wl,--disable-large-address-aware
>>>>>
>>>>> but both resulted in "unrecognized option" errors from ld.
>>>>
>>>> You specify --large-address-aware if you want it and don't specify if
>>>> you don't want it.
>>>
>>>Sorry, I should have explained more clearly what the issue is. ??Cygwin's
>>>gcc specifies --large-address-aware by default:
>>>
>>>$ gcc -dumpspecs | grep large
>>> ?? %{mwindows:--subsystem windows} ?? %{mconsole:--subsystem console}
>>>%{!mno-cygwin:%{!mno-use-libstdc-wrappers: ?? --wrap _Znwj ?? --wrap _Znaj
>>> ?? --wrap _ZdlPv ?? --wrap _ZdaPv ?? --wrap _ZnwjRKSt9nothrow_t ?? --wrap
>>>_ZnajRKSt9nothrow_t ?? --wrap _ZdlPvRKSt9nothrow_t ?? --wrap
>>>_ZdaPvRKSt9nothrow_t }} ?? %{shared: %{mdll: %eshared and mdll are not
>>>compatible}} ?? %{shared: --shared} %{mdll:--dll} ?? %{static:-Bstatic}
>>>%{!static:-Bdynamic} ?? %{shared|mdll: --enable-auto-image-base -e
>>>%{mno-cygwin:_DllMainCRTStartup@12}
>>>%{!mno-cygwin:__cygwin_dll_entry@12}}
>>>%{!mno-cygwin:--dll-search-prefix=cyg ?? ?? %{!shared: %{!mdll:
>>>--large-address-aware --tsaware}}}
>>>
>>>I'm trying to override this default.
>>
>> You're right that there isn't a way to disable --large-address-aware
>> but, since it's part of the specs, I'm not sure what would take
>> precedence if there was a --disable* option.
>>
>> You could try using the above to create your own spec file and use
>> that on the command line for gcc, cumbersome as it is.
>
>Reading the specs snippet --large-address-aware is only used if
>-shared and -mdll have *not* been specified, i.e. you are building
>with -static specified. I think this is a bit strange but I don't
>know the reasoning behind it.
That's not what -shared means.
-shared
Produce a shared object which can then be linked with other
objects to form an executable.
-mdll
This option is available for Cygwin and MinGW targets. It
specifies that a DLL - a dynamic link library - is to be
generated, enabling the selection of the required runtime startup
object and entry point.
These should be the default whenever you build an executable. You can
verify yourself by specifying the -v option to gcc when linking
something.
cgf
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 17:53 ` Earnie Boyd
@ 2012-04-14 18:51 ` Ken Brown
2012-04-14 18:57 ` Christopher Faylor
1 sibling, 0 replies; 12+ messages in thread
From: Ken Brown @ 2012-04-14 18:51 UTC (permalink / raw)
To: cygwin
On 4/14/2012 1:52 PM, Earnie Boyd wrote:
> On Sat, Apr 14, 2012 at 1:33 PM, Christopher Faylor wrote:
>> On Sat, Apr 14, 2012 at 01:21:25PM -0400, Ken Brown wrote:
>>> On 4/14/2012 12:37 PM, Earnie Boyd wrote:
>>>> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>>>>> For testing purposes, I'd like to build without large-address awareness.
>>>>> What's the right way to do that? I tried
>>>>>
>>>>> LDFLAGS=-Wl,--no-large-address-aware
>>>>>
>>>>> and
>>>>>
>>>>> LDFLAGS=-Wl,--disable-large-address-aware
>>>>>
>>>>> but both resulted in "unrecognized option" errors from ld.
>>>>
>>>> You specify --large-address-aware if you want it and don't specify if
>>>> you don't want it.
>>>
>>> Sorry, I should have explained more clearly what the issue is. Cygwin's
>>> gcc specifies --large-address-aware by default:
>>>
>>> $ gcc -dumpspecs | grep large
>>> %{mwindows:--subsystem windows} %{mconsole:--subsystem console}
>>> %{!mno-cygwin:%{!mno-use-libstdc-wrappers: --wrap _Znwj --wrap _Znaj
>>> --wrap _ZdlPv --wrap _ZdaPv --wrap _ZnwjRKSt9nothrow_t --wrap
>>> _ZnajRKSt9nothrow_t --wrap _ZdlPvRKSt9nothrow_t --wrap
>>> _ZdaPvRKSt9nothrow_t }} %{shared: %{mdll: %eshared and mdll are not
>>> compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic}
>>> %{!static:-Bdynamic} %{shared|mdll: --enable-auto-image-base -e
>>> %{mno-cygwin:_DllMainCRTStartup@12}
>>> %{!mno-cygwin:__cygwin_dll_entry@12}}
>>> %{!mno-cygwin:--dll-search-prefix=cyg %{!shared: %{!mdll:
>>> --large-address-aware --tsaware}}}
>>>
>>> I'm trying to override this default.
>>
>> You're right that there isn't a way to disable --large-address-aware
>> but, since it's part of the specs, I'm not sure what would take
>> precedence if there was a --disable* option.
>>
>> You could try using the above to create your own spec file and use
>> that on the command line for gcc, cumbersome as it is.
>
> Reading the specs snippet --large-address-aware is only used if
> -shared and -mdll have *not* been specified, i.e. you are building
> with -static specified.
No, you might just be building a .exe.
Ken
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 17:34 ` Christopher Faylor
2012-04-14 17:53 ` Earnie Boyd
@ 2012-04-14 18:48 ` Ken Brown
2012-04-14 19:01 ` Christopher Faylor
1 sibling, 1 reply; 12+ messages in thread
From: Ken Brown @ 2012-04-14 18:48 UTC (permalink / raw)
To: cygwin
On 4/14/2012 1:33 PM, Christopher Faylor wrote:
> On Sat, Apr 14, 2012 at 01:21:25PM -0400, Ken Brown wrote:
>> On 4/14/2012 12:37 PM, Earnie Boyd wrote:
>>> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>>>> For testing purposes, I'd like to build without large-address awareness.
>>>> What's the right way to do that? I tried
>>>>
>>>> LDFLAGS=-Wl,--no-large-address-aware
>>>>
>>>> and
>>>>
>>>> LDFLAGS=-Wl,--disable-large-address-aware
>>>>
>>>> but both resulted in "unrecognized option" errors from ld.
>>>
>>> You specify --large-address-aware if you want it and don't specify if
>>> you don't want it.
>>
>> Sorry, I should have explained more clearly what the issue is. Cygwin's
>> gcc specifies --large-address-aware by default:
>>
>> $ gcc -dumpspecs | grep large
>> %{mwindows:--subsystem windows} %{mconsole:--subsystem console}
>> %{!mno-cygwin:%{!mno-use-libstdc-wrappers: --wrap _Znwj --wrap _Znaj
>> --wrap _ZdlPv --wrap _ZdaPv --wrap _ZnwjRKSt9nothrow_t --wrap
>> _ZnajRKSt9nothrow_t --wrap _ZdlPvRKSt9nothrow_t --wrap
>> _ZdaPvRKSt9nothrow_t }} %{shared: %{mdll: %eshared and mdll are not
>> compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic}
>> %{!static:-Bdynamic} %{shared|mdll: --enable-auto-image-base -e
>> %{mno-cygwin:_DllMainCRTStartup@12}
>> %{!mno-cygwin:__cygwin_dll_entry@12}}
>> %{!mno-cygwin:--dll-search-prefix=cyg %{!shared: %{!mdll:
>> --large-address-aware --tsaware}}}
>>
>> I'm trying to override this default.
>
> You're right that there isn't a way to disable --large-address-aware
> but, since it's part of the specs, I'm not sure what would take
> precedence if there was a --disable* option.
>
> You could try using the above to create your own spec file and use
> that on the command line for gcc, cumbersome as it is.
That works, thanks. I didn't know about spec files.
Ken
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 17:34 ` Christopher Faylor
@ 2012-04-14 17:53 ` Earnie Boyd
2012-04-14 18:51 ` Ken Brown
2012-04-14 18:57 ` Christopher Faylor
2012-04-14 18:48 ` Ken Brown
1 sibling, 2 replies; 12+ messages in thread
From: Earnie Boyd @ 2012-04-14 17:53 UTC (permalink / raw)
To: cygwin
On Sat, Apr 14, 2012 at 1:33 PM, Christopher Faylor wrote:
> On Sat, Apr 14, 2012 at 01:21:25PM -0400, Ken Brown wrote:
>>On 4/14/2012 12:37 PM, Earnie Boyd wrote:
>>> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>>>> For testing purposes, I'd like to build without large-address awareness.
>>>> What's the right way to do that? I tried
>>>>
>>>> LDFLAGS=-Wl,--no-large-address-aware
>>>>
>>>> and
>>>>
>>>> LDFLAGS=-Wl,--disable-large-address-aware
>>>>
>>>> but both resulted in "unrecognized option" errors from ld.
>>>
>>> You specify --large-address-aware if you want it and don't specify if
>>> you don't want it.
>>
>>Sorry, I should have explained more clearly what the issue is. Cygwin's
>>gcc specifies --large-address-aware by default:
>>
>>$ gcc -dumpspecs | grep large
>> %{mwindows:--subsystem windows} %{mconsole:--subsystem console}
>>%{!mno-cygwin:%{!mno-use-libstdc-wrappers: --wrap _Znwj --wrap _Znaj
>> --wrap _ZdlPv --wrap _ZdaPv --wrap _ZnwjRKSt9nothrow_t --wrap
>>_ZnajRKSt9nothrow_t --wrap _ZdlPvRKSt9nothrow_t --wrap
>>_ZdaPvRKSt9nothrow_t }} %{shared: %{mdll: %eshared and mdll are not
>>compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic}
>>%{!static:-Bdynamic} %{shared|mdll: --enable-auto-image-base -e
>>%{mno-cygwin:_DllMainCRTStartup@12}
>>%{!mno-cygwin:__cygwin_dll_entry@12}}
>>%{!mno-cygwin:--dll-search-prefix=cyg %{!shared: %{!mdll:
>>--large-address-aware --tsaware}}}
>>
>>I'm trying to override this default.
>
> You're right that there isn't a way to disable --large-address-aware
> but, since it's part of the specs, I'm not sure what would take
> precedence if there was a --disable* option.
>
> You could try using the above to create your own spec file and use
> that on the command line for gcc, cumbersome as it is.
Reading the specs snippet --large-address-aware is only used if
-shared and -mdll have *not* been specified, i.e. you are building
with -static specified. I think this is a bit strange but I don't
know the reasoning behind it.
--
Earnie
-- https://sites.google.com/site/earnieboyd
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 17:21 ` Ken Brown
@ 2012-04-14 17:34 ` Christopher Faylor
2012-04-14 17:53 ` Earnie Boyd
2012-04-14 18:48 ` Ken Brown
0 siblings, 2 replies; 12+ messages in thread
From: Christopher Faylor @ 2012-04-14 17:34 UTC (permalink / raw)
To: cygwin
On Sat, Apr 14, 2012 at 01:21:25PM -0400, Ken Brown wrote:
>On 4/14/2012 12:37 PM, Earnie Boyd wrote:
>> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>>> For testing purposes, I'd like to build without large-address awareness.
>>> What's the right way to do that? I tried
>>>
>>> LDFLAGS=-Wl,--no-large-address-aware
>>>
>>> and
>>>
>>> LDFLAGS=-Wl,--disable-large-address-aware
>>>
>>> but both resulted in "unrecognized option" errors from ld.
>>
>> You specify --large-address-aware if you want it and don't specify if
>> you don't want it.
>
>Sorry, I should have explained more clearly what the issue is. Cygwin's
>gcc specifies --large-address-aware by default:
>
>$ gcc -dumpspecs | grep large
> %{mwindows:--subsystem windows} %{mconsole:--subsystem console}
>%{!mno-cygwin:%{!mno-use-libstdc-wrappers: --wrap _Znwj --wrap _Znaj
> --wrap _ZdlPv --wrap _ZdaPv --wrap _ZnwjRKSt9nothrow_t --wrap
>_ZnajRKSt9nothrow_t --wrap _ZdlPvRKSt9nothrow_t --wrap
>_ZdaPvRKSt9nothrow_t }} %{shared: %{mdll: %eshared and mdll are not
>compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic}
>%{!static:-Bdynamic} %{shared|mdll: --enable-auto-image-base -e
>%{mno-cygwin:_DllMainCRTStartup@12}
>%{!mno-cygwin:__cygwin_dll_entry@12}}
>%{!mno-cygwin:--dll-search-prefix=cyg %{!shared: %{!mdll:
>--large-address-aware --tsaware}}}
>
>I'm trying to override this default.
You're right that there isn't a way to disable --large-address-aware
but, since it's part of the specs, I'm not sure what would take
precedence if there was a --disable* option.
You could try using the above to create your own spec file and use
that on the command line for gcc, cumbersome as it is.
cgf
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 16:37 ` Earnie Boyd
@ 2012-04-14 17:21 ` Ken Brown
2012-04-14 17:34 ` Christopher Faylor
0 siblings, 1 reply; 12+ messages in thread
From: Ken Brown @ 2012-04-14 17:21 UTC (permalink / raw)
To: cygwin
On 4/14/2012 12:37 PM, Earnie Boyd wrote:
> On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
>> For testing purposes, I'd like to build without large-address awareness.
>> What's the right way to do that? I tried
>>
>> LDFLAGS=-Wl,--no-large-address-aware
>>
>> and
>>
>> LDFLAGS=-Wl,--disable-large-address-aware
>>
>> but both resulted in "unrecognized option" errors from ld.
>
> You specify --large-address-aware if you want it and don't specify if
> you don't want it.
Sorry, I should have explained more clearly what the issue is. Cygwin's
gcc specifies --large-address-aware by default:
$ gcc -dumpspecs | grep large
%{mwindows:--subsystem windows} %{mconsole:--subsystem console}
%{!mno-cygwin:%{!mno-use-libstdc-wrappers: --wrap _Znwj --wrap _Znaj
--wrap _ZdlPv --wrap _ZdaPv --wrap _ZnwjRKSt9nothrow_t --wrap
_ZnajRKSt9nothrow_t --wrap _ZdlPvRKSt9nothrow_t --wrap
_ZdaPvRKSt9nothrow_t }} %{shared: %{mdll: %eshared and mdll are not
compatible}} %{shared: --shared} %{mdll:--dll} %{static:-Bstatic}
%{!static:-Bdynamic} %{shared|mdll: --enable-auto-image-base -e
%{mno-cygwin:_DllMainCRTStartup@12}
%{!mno-cygwin:__cygwin_dll_entry@12}}
%{!mno-cygwin:--dll-search-prefix=cyg %{!shared: %{!mdll:
--large-address-aware --tsaware}}}
I'm trying to override this default.
Ken
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: gcc: turning off large-address awareness
2012-04-14 11:52 Ken Brown
@ 2012-04-14 16:37 ` Earnie Boyd
2012-04-14 17:21 ` Ken Brown
0 siblings, 1 reply; 12+ messages in thread
From: Earnie Boyd @ 2012-04-14 16:37 UTC (permalink / raw)
To: cygwin
On Sat, Apr 14, 2012 at 7:52 AM, Ken Brown wrote:
> For testing purposes, I'd like to build without large-address awareness.
> What's the right way to do that? I tried
>
> LDFLAGS=-Wl,--no-large-address-aware
>
> and
>
> LDFLAGS=-Wl,--disable-large-address-aware
>
> but both resulted in "unrecognized option" errors from ld.
You specify --large-address-aware if you want it and don't specify if
you don't want it. I see nothing to reverse the option.
--
Earnie
-- https://sites.google.com/site/earnieboyd
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^ permalink raw reply [flat|nested] 12+ messages in thread
* gcc: turning off large-address awareness
@ 2012-04-14 11:52 Ken Brown
2012-04-14 16:37 ` Earnie Boyd
0 siblings, 1 reply; 12+ messages in thread
From: Ken Brown @ 2012-04-14 11:52 UTC (permalink / raw)
To: cygwin
For testing purposes, I'd like to build without large-address awareness.
What's the right way to do that? I tried
LDFLAGS=-Wl,--no-large-address-aware
and
LDFLAGS=-Wl,--disable-large-address-aware
but both resulted in "unrecognized option" errors from ld.
Ken
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^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2012-06-20 14:49 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
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2012-04-14 11:52 Ken Brown
2012-04-14 16:37 ` Earnie Boyd
2012-04-14 17:21 ` Ken Brown
2012-04-14 17:34 ` Christopher Faylor
2012-04-14 17:53 ` Earnie Boyd
2012-04-14 18:51 ` Ken Brown
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