[Scons-users] Chaining generated sources.

[William Blevins]

* bump *

V/R,
William


On Mon, Feb 24, 2014 at 7:33 PM, William Blevins <wblevins001 at gmail.com>wrote:


> The builder implementation is irrelevant to the test case, so I recommend

> generalizing.  The easiest way to do this would be:

>

> 1) Make a <name>.java file that has one or more of the properties that

> causes this problem:

>     1) The java file creates more than one class file when compiled.

>     2) The java class package is not equal to the root package.

> 2) Write an SConscript that essentially does

>     # Psuedo code as follows

>     Line 1: env = Environment()

>     Line 2: env.Command( "<test_case_input_file>",

> "<source_directory>/<package_info>/<test_case_file_name>", Copy("$TARGET",

> "$SOURCE") )

>     Line 3: env.Java( targets = <build_directory>, sources =

> <source_directory> )

>

> This test case provides the following benefits:

> 1) It is simple and easy to understand.

>     Line 1: environment is setup for the example

>     Line 2: source "<test_case_input_file>" creates target

> "<source_directory>/<package_info>/<test_case_file_name>" named DERIVED.

>     Line 3: DERIVED becomes a derived source for the Java builder.

> 2) This keeps the context local to SCons and removes any external

> dependencies: so all code generators are equal~!

>

> Now you just need to validate the produced dependency tree.  Please see

> the original email for dependency tree examples.

>

> V/R,

> William

>

> If you need help creating this test case then, I could try to create a

> patch sometime this week with a link to documentation for contributing to

> SCons.

>

>

>

>

> On Sat, Feb 22, 2014 at 7:29 PM, Dirk Bächle <tshortik at gmx.de> wrote:

>

>> On 22.02.2014 22:26, William Blevins wrote:

>>

>>> Unfortunately, I cannot post the code without going through a lot of

>>> hoops.

>>>

>>>

>> Okay, I understand...but could you post your version of the Protoc

>> Builder? The original snippet from the Wiki, as well as the latest revision

>> from the Bitbucket repository, both don't support Java.

>> So having your current Builder available would really help for setting up

>> simple test examples and such.

>>

>> Thanks a lot in advance.

>>

>>

>> Dirk

>>

>> _______________________________________________

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>>

>

>

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