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Re: [Help-glpk] glpk on amazon linux ami

From: David Curran
Subject: Re: [Help-glpk] glpk on amazon linux ami
Date: Mon, 15 Apr 2013 12:10:10 +0100

Thanks Nigel I got a ltdl.h error when i tried to compile glpk.


sudo yum install glpk-utils
 works so at least glpsol is easy to get on amazon ec2 ami 

On 15 April 2013 11:41, Nigel Galloway <address@hidden> wrote:
As well as gcc you will need to install libtool-2.2.10  for libltdl
Nigel Galloway
On Fri, Apr 12, 2013, at 05:35 AM, David Curran wrote:
Thanks Nigel
I will try those
On 12 April 2013 13:33, Nigel Galloway <address@hidden> wrote:
AWS has a discussion forum, currently with no questions about installing the AWS GLPK package. That may be a better place to ask. I notice the available packages include gcc4.7, there are many questions and answers about installing that, see Given that the AWS package is GLPK4.40, you may be better installing gcc with help from the above forum if needed, then obtaining the latest glpk (4.48) and compiling it, with help from this group and the wiki as needed.
A final option is that rpm packages can be installed on AWS. You could obtain any rpm for 4.48 and install that.
Nigel Galloway
On Thu, Apr 11, 2013, at 08:06 AM, David Curran wrote:
Has anyone used glpk on an Amazon ec2 micro instance? I am having trouble getting it working
sudo yum install glpk
  works fine
sudo yum list installed
  includes "glpk.x86_64                     4.40-1.1.4.amzn1                     @amzn-main"
 yum search glpk
============================== N/S Matched: glpk ===============================
glpk-devel.x86_64 : Development headers and files for GLPK
glpk-doc.x86_64 : Documentation for glpk
glpk-static.x86_64 : Static version of GLPK libraries
glpk-utils.x86_64 : GLPK-related utilities and examples
glpk.i686 : GNU Linear Programming Kit
glpk.x86_64 : GNU Linear Programming Kit
But from here how do you actually run glpsol or even call glpk.h as a library? 
<glpk.h> is not found if I include it in a c file or if I try gem install of rglpk
[ec2-user rubygems-1.8.11]$ sudo gem install rglpk
I get 
checking for main() in -lglpk... no
ERROR: Cannot find the GLPK library, aborting.
a 'find / -name glpk*' does not find glpk files either. 
   I could be doing something stupid with linux rather than linux on ec2. But any help you can provide me on how to get a "hello world" glpk example running on amazon ec2 linux would be great.
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