cygport: patch for debug info

[Marco Atzeri <marco.atzeri@gmail.com>]

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Hi Yaakov,
can you also consider to add the attached patch?

Without it the extraction of debug info enter in a never ending loop
in lib/src_postinst.cygpart

I am using a symbolic link in my build directory to share between
the two archs.

$ readlink -f /pub/devel
/cygdrive/e/cyg_pub/devel

and when using "/pub/devel" as baseline the loop never matches
as one side is using readlink and the other not.

------------ lib/src_postinst.cygpart -----
  while [ $(readlink -f ${ltlibdir}/${dlname%/bin/*}) != 
${D}$(__host_prefix) ]
  do
      dlname=../${dlname}
  done
---------------------------------------------

If I am not wrong it also hit a similar problem somewhere
else and adjusting "_topdir" is the simpler solution;
or at least never gave me anymore problem.

Regards
Marco







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--- /usr/bin/cygport~	2015-07-20 09:12:08.000000000 +0200
+++ /usr/bin/cygport	2015-11-21 17:45:13.583854800 +0100
@@ -395,7 +395,7 @@
 then
 	if [ -f ./${cygportfile} ]
 	then
-		_topdir=.;
+		_topdir=$(readlink -f .);
 	else
 		_topdir=/usr/src;
 	fi

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