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bug#15094: Fix for posix_memalign on Cygwin

From: Ken Brown
Subject: bug#15094: Fix for posix_memalign on Cygwin
Date: Wed, 14 Aug 2013 15:11:09 -0400
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2

On 8/14/2013 12:22 PM, Ken Brown wrote:
Cygwin allows applications to supply their own malloc but not, until
today, their own posix_memalign.  This has caused problems with the GTK
build of Emacs on Cygwin.  The problem became worse with the latest Glib
update.  Anyone who wants the gory details can find them starting here:


Cygwin was just patched today to allow applications to supply their own
posix_memalign (but not their own memalign), which solves the Glib
problem.  But posix_memalign in gmalloc.c calls memalign, so I need to
make sure that it calls Emacs's memalign.  The attached patch does this.
  Is this a reasonable way to handle the problem?  (I plan to also add
an explanatory comment.)

I made this more complicated than necessary. I've installed a simpler version as bzr revision 113880, and I'm closing the bug.


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