2016-10-13 08:33:55 +0200 received badge ● Notable Question (source) 2013-12-22 07:50:51 +0200 received badge ● Popular Question (source) 2013-04-23 16:03:08 +0200 received badge ● Teacher (source) 2013-04-23 16:03:08 +0200 received badge ● Self-Learner (source) 2013-04-23 12:31:38 +0200 answered a question Zeromq don't want to compile Hallo, I had the same problem as you. I finally installed zeromq in the way I have described here. Hope it works for you too! (please let me know... I am curious) 2013-04-23 12:26:31 +0200 answered a question [solved] no way to install zeromq under sage 5.8 Thanks for the replies! Actually, the above-mentioned packages were all installed... but I finally made it! Here is the procedure I used, in case anyone else had the same problem: 1) I just manually entered the directory: cd /usr/lib/sagemath/spkg/build/zeromq-2.2.0.p0  2) I started the sage shell: sage -sh  3) I manually installed the package: sudo ./spkg-install  In this way, everything goes smoothly. Of course, I still don't know why the automatic installation fails (also the installation of "sage-optional" from the repository fails!), but at least I did it. Thanks, Andrea 2013-04-23 11:11:48 +0200 received badge ● Editor (source) 2013-04-23 11:09:18 +0200 asked a question [solved] no way to install zeromq under sage 5.8 Hi there, I have been trying for days to install zeromq under fresh installations of Sage 5.8 on two different machines, one with Ubuntu 12.04.2 (32-bit), and the other with Ubuntu 12.10 (64-bit). I tried to install zeromq by means of: ./sage -i zeromq as well as installing "sagemath-optional" from the repository. In all cases, the installation fails apparently because of this: ..... checking alloca.h usability... no checking alloca.h presence... yes configure: WARNING: alloca.h: present but cannot be compiled configure: WARNING: alloca.h: check for missing prerequisite headers? configure: WARNING: alloca.h: see the Autoconf documentation configure: WARNING: alloca.h: section "Present But Cannot Be Compiled" configure: WARNING: alloca.h: proceeding with the compiler's result ...... (The full log is here.) What's wrong? Can anybody help me? Thanks, Andrea PS. On one of the two machines, I also compiled gcc 4.7.2 (sage -f gcc) but it did not help at all. 2013-04-21 12:04:47 +0200 answered a question Zeromq don't want to compile Hallo, I am having exactly the same problem. Compiling gcc 4.7.2 (sage -f gcc) did not help, unfortunately. $uname -a Linux undy-VII 3.5.0-27-generic #46-Ubuntu SMP Mon Mar 25 19:58:17 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux$ sage -version Sage Version 5.8, Release Date: 2013-03-15