===================================================================
RCS file: /home/cvs/OpenXM/doc/OpenXM-web/news-o.html,v
retrieving revision 1.17
retrieving revision 1.20
diff -u -p -r1.17 -r1.20
--- OpenXM/doc/OpenXM-web/news-o.html	2019/06/12 23:02:37	1.17
+++ OpenXM/doc/OpenXM-web/news-o.html	2021/12/27 23:40:42	1.20
@@ -26,6 +26,41 @@ ftp://ftp.math.kobe-u.ac.jp/pub/XXX no longer works. U
 <h2> News </h2>
 
 <ul>
+<li id="xcodeBug1">
+Risa/Asir generated by 
+<pre>
+clang --version
+Apple clang version 13.0.0 (clang-1300.0.29.30)
+</pre>
+based on llvm 12 on M1 Mac
+causes a segmentation fault when dp_ptod is called under some data.
+The reason for it is that the optimizer generates a code which leads to
+make the Boehm GC to collect a non-garbage memory chunk
+(a local-variable - 8 is stored only in a register. The local-variable
+is not stored in the stack.).
+A workaround for it commited to
+<a href="http://c1.math.kobe-u.ac.jp/cgi-bin/cvsweb.cgi/OpenXM_contrib2/asir2018/engine/dist.c.diff?r1=1.25&r2=1.26&f=h"> this change </a>.
+However, it is highly recommended to compile Risa/Asir by
+the clang provided by homebrew <a href="https://formulae.brew.sh/formula/llvm">llvm@13</a>.
+(December 28, 2021)
+<li> cvsweb at c1 is temporaly down. Please use this
+<a href="http://fe.math.kobe-u.ac.jp/cgi-bin/cvsweb.cgi/">cvsweb</a>,
+<li> Debian package openxm-1.3.3-5 (network installer, 64bit) can be installed
+by apt by adding our openxm repository to /etc/apt/sources.list.
+See <a href="Current/index.html#apt"> here </a> as to details.
+If you prefer to install by dpkg, please download the deb package from
+  <a href="http://fe.math.kobe-u.ac.jp/MathLibre-amd64"> here </a>.
+  Please read <a href="http://fe.math.kobe-u.ac.jp/MathLibre/readme-en.html">readme-en.html</a>
+  in the directory. 
+  (July 27, 2021. openxm-1.3.3-5, bugs of the package 1.3.3-4 are fixed.)
+<li> Debian package openxm-1.3.3-4 (network installer, 64bit) can be installed
+by apt by adding our openxm repository to /etc/apt/sources.list.
+See <a href="Current/index.html#apt"> here </a> as to details.
+If you prefer to install by dpkg, please download the deb package from
+  <a href="http://fe.math.kobe-u.ac.jp/MathLibre-amd64"> here </a>.
+  Please read <a href="http://fe.math.kobe-u.ac.jp/MathLibre/readme-en.html">readme-en.html</a>
+  in the directory.  Risa/Asir is upgraded to asir2018 from asir2000.
+  (March 29, 2021. openxm-1.3.3-4)
 <li> Debian package openxm-1.3.3-1 (network installer, 64bit) can be obtained from
   <a href="http://fe.math.kobe-u.ac.jp/MathLibre-amd64"> here </a>.
   Please read <a href="http://fe.math.kobe-u.ac.jp/MathLibre/readme-en.html">readme-en.html</a>
@@ -177,7 +212,7 @@ nk_mora (tangent cone algorithm for D, local b-functio
 </ul>
 
 <pre>
-$OpenXM: OpenXM/doc/OpenXM-web/news-o.html,v 1.16 2018/03/11 23:36:49 takayama Exp $
+$OpenXM: OpenXM/doc/OpenXM-web/news-o.html,v 1.19 2021/07/27 03:51:25 takayama Exp $
 </pre>
 
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