[Scons-users] download builder - tips

[Philipp Kraus]

Am 10.04.2013 um 20:34 schrieb William Deegan:


> 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?


Yes


> Is that output coming from your tool initialization?



that's the correct hint. I have set up after the import section
SCons.Warnings.enableWarningClass(SCons.Warnings.Warning)

and if disable this or replace it by my own derivated class
the error is not shown

Phil
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