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Date: Sat, 17 Mar 2012 06:22:26 -0400
From: Ken Brown <kbrown AT cornell DOT edu>
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Subject: Re: Status of large address awareness?
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On 3/16/2012 9:15 PM, Ryan Johnson wrote:
> Hi all,
>
> What's the current status of large address awareness for cygwin
> binaries? I know at one point it seemed to be working well -- other than
> an issue with emacs (fixed now?) -- and there was talk of making it the

The emacs problem was fixed last August, as of the release of emacs-23.3-3.

> default. However, this does not seem to be the case yet, based on
> looking at peflags for a couple of binaries.

It's the default for anything built with Cygwin's current gcc:

$ gcc -dumpspecs | grep large-address-aware
   %{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 AT 12} 
%{!mno-cygwin:__cygwin_dll_entry AT 12}} 
%{!mno-cygwin:--dll-search-prefix=cyg     %{!shared: %{!mdll: 
--large-address-aware --tsaware}}}

Binaries built with earlier releases of gcc aren't changed.

Ken


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