[Lemon-user] Visual Studio 2008

[Alpár Jüttner]

Hi,

First of all I suggest using the LEMON version 1.2.3 released today, as
it fixes a CMAKE related problem (an auxiliary file was missing from the
previous release). Alternatively, you can use the latest development
version  from the HG repository.

> I would like to use lemon graph to write some code for my optimizition course.
> I also would like to work with Visual Studio 2008.
> 
> I read your installation description and I am confussed about some of
> the steps. I downloaded lemon 1.2.2.zip and unzipped it, so now I have
> a folder named "lemon-1.2.2".
> [...]
> "We suggest to create a subfolder called build in the root of the
> source code repository."
> 
> What do you mean by "root of the source code repository"? I don't know,
> where to create this folder?

The LEMON source code layout looks like this:

lemon-1.2.3/   <-- This is the root folder
 +-- lemon/    <-- All the lemon sources are here
 +-- test/     <-- Self tests
 +-- doc/      <-- Documentation
   +-- html      <-- HTML documentation
 +-- demo/     <-- Some demo codes
 +-- contrib/  <-- Placeholder for your own code
 NEWS          <-- The changelog file
 LICENSE       <-- Copyright notice
 ...

Here 'lemon-1.2.3' is the root folder. The 'build' can be placed
anywhere, but it is convenient to make it a subfolder of
'lemon-1.2.3' (i.e. to the same level as 'lemon', 'demo' etc.)


> 
> "Then start the CMake GUI and browse the source code and the build folders.
> What is the source code?

source code folder = root folder = lemon-1.2.3

>  In my "lemon-1.2.2" folder are many cpp and
> header files? 

In fact, the source codes shouldn't directly be in lemon-1.2.3, but
instead in its subfolders, such as 'lemon' or 'demo'

> Do I have to choose a specific subfolder in
> "lemon-1.2.2"?

No, you have to choose the the root folder itself (lemon-1.2.3)

>  What are the build folders? Do you mean the build folder
> I have to create? But I have to create one single subfolder build,
> don't I?

You are right, there is one single build folder. The plural form refers
to the source one and the build one together. I agree it is misleading,
but I believe this is the grammatically correct form. Let me know if I
am mistaken.

> Maybe there is an easier way, since I do only simple things like
> writing a prim or a djikstra code.

Note that there are several ways of using LEMON from your own project.
See this page for some more details:

https://lemon.cs.elte.hu/trac/lemon/wiki/HowToCompile

In many cases, the second option is the easiest: You place your code
into the contrib/ folder and edit contrib/CMakeLists.txt. Then your code
will be automatically compiled linked when you build LEMON.

Regards,
Alpar

> I appreciate any help I can get.
> Thank you very much,
> 
> Valentina Gerber
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