[Scons-users] Builder Chains Not Working?

[Mark Ribau]

How should we dynamically add discovered dependency targets if not in the
emitter?
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*mark ribau*
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On Wed, Nov 14, 2012 at 2:20 PM, William Deegan
<bill at baddogconsulting.com>wrote:


> Mark,

>

> On Nov 14, 2012, at 3:58 AM, Mark Ribau <mribau at realtaentertainment.com>

> wrote:

>

> So I've got a series of builders, that successively can build from a root

> source file, each building a target from the previous.

>

> in deeper SConscripts:

> env.Builder1("target0.json", "source0.json")

>

> in Builder1's emitter:

> env.MultiBuilder1("target1.json", "target0.json")

>

> in a parent SConscript:

>

> ret = env.MultiBuilder1("target2.json", ['target1.json', 'source2.json'])

> ret = env.Builder2("target2.binary", "target2.json")

> ret = env.InstallAs(os.path.join(installBase,"target2.binary"),

> "target2.binaryplatform")

> env.Alias( "myalias", True,  ret)

> *

> *

> *

> *

> The problem I have is that it attempts to build the final thing in the

> chain, and never builds the previous ones.  The dependency graph looks

> correct though:

>

> +-myalias

>   +-install\target2.binary

>     +-data\target2.binaryplatform      +-data\target2.json       |

> +-data\target1.json      | | +-data\folder\target0.json

>       | | | +-data\folder\source0.json

>       | +-data\source2.json

>

> The error we are getting is:

> scons: *** [data\target2.binaryplatform] data\target2.json: No such file

> or directory

>

>

> Fairly certain you shouldn't do anything but add the sources and targets

> in the emitter.

>

> Also the arguments to InstallAs() are (target,source) and not

> (source,target) as you have above (I believe).

>

> _Bill

>

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