[Scons-users] download builder - tips

[William Deegan]

Phil,


On Apr 10, 2013, at 7:16 AM, Philipp Kraus <philipp.kraus at flashpixx.de> wrote:


> 

> Am 07.04.2013 um 02:31 schrieb Philipp Kraus:

> 

>> 

>> Am 07.04.2013 um 02:25 schrieb William Deegan:

>> 

>>> Phil,

>>> On Apr 6, 2013, at 5:21 PM, Philipp Kraus <philipp.kraus at flashpixx.de> wrote:

>>> 

>>>> 

>>>> Am 07.04.2013 um 01:59 schrieb William Deegan:

>>>> 

>>>>> Phil,

>>>>> 

>>>>> Sorry my mistake, I thought you were pointing at the whole project.

>>>> 

>>>> no problem, I don't want to create for each script dir an own repo, it is a little bit overkill :-)

>>>> 

>>>>> Looks like the problem is that you are adding directories to the list of targets in your Unpack emitter.

>>>>> Directories depend on their contents by default, so I believe that's what's causing your issue.

>>>>> 

>>>>> If you add:

>>>>>     target = [x for x in target if not x.endswith('/')]

>>>>> 

>>>>> Before your:

>>>>>    return target,source

>>>>> in your __emitter.

>>>>> 

>>>>> The problem should go away.

>>>> 

>>>> thanks, great, works fine, but imho it must be x.endswith(os.path.sep), mustn't it

>>>> for correct path seperator names?

>>> 

>>> It depends on the list command for your unpacking tools. So it's possible it's OS independent.

>>> Since that list is just the output from such.

>> 

>> Yes, so I use the os.path.sep and now I will put the Windows support in it (7zip, winrar, winzip)

>> Thx

> 

> I have checked my target list, the list, which is created by the unpacking tool can be stored a file- or dirname

> more than one, so the target list is not unique.

> So I do before the return call in the emitter list(set(target)) for uniquifing my target list.

> 

> But I get a warning if I add my builder to the environment:

> No dependency generated for file: <eg stdlib.h>

> 

> My emitter get's the filelist of an tgz file, wich stores *.c and *.h files, after that I push the list

> to env.SharedLibrary. Scons compiles all *.c files and calls the linker, the DLL is build and

> seems to be working, but I would like to remove the warning.

> 

> At the moment my emitter works like this:

> 

> *.tgz => unpack emitter list files in the archiv => list is pushed to SharedLibrary

> 

> the builder extract the files

> 

> 

> If I write Scons code eg

> 

> env = Environment( tool=["default", "unpack"] )

> env.SharedLibrary("testlib", Glob("src/*.c"))

> 

> the error is occured, if I change the the first line to

> 

> env = Environment( tool=["default"] )

> 

> no error is shown. So IMHO I have create an error in my builder code, does anybody send my

> a helpfull tip, to search the error?


What happens if you do:
env = Environment( tool=["default"] )
env.Tool('unpack')

Do you still get the output?
Is that output coming from your tool initialization?
-Bill

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