[Scons-users] Command fails if action is simply $SOURCE

[Gary Oberbrunner]

I was thinking of this one:

http://scons.tigris.org/issues/show_bug.cgi?id=804

(hmm, that's from me!)


On Thu, Feb 28, 2013 at 2:51 PM, William Deegan
<bill at baddogconsulting.com>wrote:


> Gary,

>

> On Feb 28, 2013, at 11:21 AM, Gary Oberbrunner <garyo at oberbrunner.com>

> wrote:

>

> I seem to remember this is an old bug.  Even adding a space before or

> after should fix it.  Can't look it up right now but if you find it, feel

> free to add your test case.

>

>

>

> Is this the bug you're thinking of?

> http://scons.tigris.org/issues/show_bug.cgi?id=2845

>

> If so perhaps Carnë can add his test case to it?

>

> -Bill

>

>

>

> On Thu, Feb 28, 2013 at 2:11 PM, Carnë Draug <carandraug+dev at gmail.com>wrote:

>

>> On 28 February 2013 18:56, William Deegan <bill at baddogconsulting.com>

>> wrote:

>> > On Feb 28, 2013, at 10:15 AM, Carnë Draug <carandraug+dev at gmail.com>

>> wrote:

>> >> I'm trying to set a bunch of scripts as commands which are then

>> >> grouped as a single target with Alias. I'm doing something like this

>> >>

>> >> analysis1 = env.Command(target = "result1", source = "script1.pl",

>> >> action = "$SOURCE")

>> >> analysis2 = env.Command(target = "result2", source = "script2.pl",

>> >> action = "$SOURCE")

>> >> analysis3 = env.Command(target = "result3", source = "script3.pl",

>> >> action = "$SOURCE")

>> >>

>> >> env.Alias("analysis", [analysis1, analysis2, analysis3])

>> >>

>> >>

>> >> However, this fails. All I get is:

>> >>

>> >> $scons analysis

>> >> scons: Reading SConscript files ...

>> >> scons: done reading SConscript files.

>> >> scons: Building targets ...

>> >> scons: done building targets.

>> >>

>> >> I can make SCons run the scripts if I set the action to "./$SOURCE",

>> >> "perl $SOURCE", "$SOURCE --" or anything like that. The files should

>> >> have the correct permissions (744). Even if I set $SOURCE to a path, I

>> >> get the same problem so shouldn't be a matter of adding anything to

>> >> the search path.

>> >>

>> >> Is this a bug in SCons or am I doing something wrong? And is there a

>> >> better way to do this?

>> >

>> > Try: "scons --debug=explain analysis"

>>

>> This shows me that SCons recognizes the target as something to build

>> but then does nothing about it:

>>

>> $ scons --debug=explain analysis

>> scons: Reading SConscript files ...

>> scons: done reading SConscript files.

>> scons: Building targets ...

>> scons: building `result1' because it doesn't exist

>> scons: building `result2' because it doesn't exist

>> scons: building `result3' because it doesn't exist

>> scons: done building targets.

>>

>> Nothing is done with the scripts. Just for test, I made the scripts to

>> just print something, or give an error but nothing happens ever.

>>

>> > Also can you paste the output from:

>> > scons --tree=prune analysis

>>

>> scons: Reading SConscript files ...

>> scons: done reading SConscript files.

>> scons: Building targets ...

>> +-analysis

>>   +-result1

>>   | +-scripts/script1.pl

>>   +-result2

>>   | +-scripts/script2.pl

>>   +-result3

>>     +-scripts/script3.pl

>> scons: done building targets.

>>

>> I have attached a tarball with the example, for ease of replication.

>>

>> I have tried to pass the path for the scripts with os.path.join() and

>> os.path.abspath() but none worked.

>>

>> Carnë

>>

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>>

>>

>

>

> --

> Gary

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>



-- 
Gary
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