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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Dear Rivet authors,<br>
<br>
Updating LCG releases with Rivet 2.4.0 we have some trouble as minimal Boost version is 1.55.0 now.<br>
(Main configure.ac contains BOOST_REQUIRE([1.55.0]))<br>
<div id="divToolbarButtonsend" class="tbf fltBefore tbfP"><a fdsbl="0" _tbb="1" class="tba" id="send" name="lnkB" href="https://mmm.cern.ch/owa/?ae=Item&a=New&t=IPM.Note&cc=MTQuMy4xNzQuMSxlbi1HQiw0Mjk0OTY3Mjk1LEhUTUwsMCww&pspid=_1444632453301_929900492#"><span class="tbLh tbBefore tbAfter"></span></a></div>
<br>
But very old release LCG_67c (still used by ATLAS) has 1.53.<br>
<br>
Therefore we are wondering if it is safe downgrade this requirement to 1.53 or you really use some
<br>
features of higher version?<br>
<br>
Thank you in advance,<br>
Dima on behalg of the GENSER team.<br>
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