[Scons-users] download builder - tips

[Philipp Kraus]

Hi Bill,

all files are there and they reproduce the problem ! I don't see your problem.
You can download all files with a git clone or on top of the repo you can also use a Zip download https://github.com/flashpixx/Storage
In the subdir "Scons" all data is stored.

Scons / SConstruct is the test build script stored and Scons / site_scons / site_tools all builds are stored. So you need only download the
zip, and run scons in the Scons directory

Do you see any problem?

Phil
 


Am 07.04.2013 um 01:12 schrieb Bill Deegan:


> Phil,

> 

> I'm asking for a minimal system to reproduce the problem.

> I don't want to download and debug your entire build.

> 

> You should be able to reproduce it with just a few files.

> 

> -Bill

> 

> 

> On Sat, Apr 6, 2013 at 4:04 PM, Philipp Kraus <philipp.kraus at flashpixx.de> wrote:

> 

> Am 07.04.2013 um 00:19 schrieb William Deegan:

> 

>> Philk

>> On Apr 6, 2013, at 2:43 PM, Philipp Kraus <philipp.kraus at flashpixx.de> wrote:

>> 

>>> On 2013-04-06 02:41:22 +0200, Philipp Kraus said:

>>> 

>>>> thanks to Dirk and Bill for some nice email. I would like to replace my "dirty hacked Scons script" to a little more general code structure and would like to send them into the Scons community.

>>>> I'm primary writing C/C++ code and uses Scons on OSX, Linux, Windows (MSVC & MinGW) for the building process.

>>>> Often there exists on my C/C++ project the problem, that the project uses a lot of different libraries eg LAPack, Boost, Dune-FEM .... and these libs must be compiled for the project, so I use Scons for

>>>> this building process most with a lot of env.Command code and some hacked builders. With a little time, I have forked out my first "hacked builder" to a more "Scons-Way-Builder".

>>>> It is a little short builder, which downloads any URL data into a file. I have pushed the builder in my repo ( https://github.com/flashpixx/Storage/blob/master/Scons/site_scons/site_tools/URLDownload.py )

>>>> and a test Sconstruct under https://github.com/flashpixx/Storage/blob/master/Scons/SConstruct

>>>> This builder replaces the target on default with the filename of the URL, the env setting URLDOWNLOAD_USEURLFILENAME (true | false) can be enabled / disabled this target replacing

>>>> The next forked builders will be an Unpacking builder with flexible tool use (eg 7-Zip under Windows, tar / gzip / bzip under *nix) and a external builder for compiling extracted sources with cmake, MSVC ...

>>> 

>>> I need a little help, because I get on my builders a cyclic dependency on cleaning or on the second run. If I have got a "clean" directory, everything works fine, the download builder creates

>>> the downloaded file and my unpack builder ( https://github.com/flashpixx/Storage/blob/master/Scons/site_scons/site_tools/Unpack.py ) is run and creates the correct extracting file list.

>>> If I run after the first run, without cleaning the builder script again, I get an error of the unpack builder that there exists a cyclic depency, an equal error is shown up, if I run "scons -c".

>>> 

>>> If I replace in the Unpack.py the line 280 (     return target, source ) to  'return "test", source' the error does not occure, so imho the problem exists in the emitter. The unpack builder returns a list of files & directories in an archive and the download builder get the file. So I hope, that I can download, extract and compile the sources in one short step. (The unpack builder works at the moment with *nix systems, Windows calls are not implementated yet)

>> 

>> Can you paste the output you're getting and any more information?

>> Also what would be great is either a simple SConstruct which demonstrates the issue, or a zip file with minimal amount of files/logic which demonstrates the issue.

>> 

>> The more info, the easier it is to help you!

> 

> I have post the links to all files, you can download the full code with an example SConstruct: https://github.com/flashpixx/Storage/tree/master/Scons

> 

> 

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