[Scons-users] Replace env['BUILDERS']['Program'] and env.Configure

[William Deegan]

Luc,

On Aug 22, 2012, at 3:06 PM, Luc Bourhis <luc_j_bourhis at mac.com> wrote:


> Hi,

> 

> I am using what seemed a classic trick:

> 

> def _(env, target, source, **args):

>  env = env.Clone()

>  # do something to env

>  return env.OriginalProgram(target, source, **args)

> env['BUILDERS']['OriginalProgram'] = env['BUILDERS']['Program']

> env['BUILDERS']['Program'] = _

> 

> However, this crashes env.TryBuild:

> 

> File "/Users/luc/Developer/cctbx/scons/src/engine/SCons/SConf.py", line 546, in TryBuild

>  pref = self.env.subst( builder.builder.prefix )

> 

> Here builder.builder is that function "_" of mine, which does not have an attribute "prefix" of course.

> 

> That's with SCons 2.2.0.

> 

> How would I go to work that problem around?


Why would you want to do something like this?
You could use a pseudo-builder or pass ENV vars to the Program() would seem to be much more straightforward.

-Bill