[Scons-users] Builder execution order?

[delbert dev]

URLDOWNLOAD_USEURLFILENAME=False makes it possible to override that it
should NOT use the filename from the url.

I tried this:

 pkg = env.URLDownload(gtestOutputFile, gtestUrl)
 dir = env.Unpack( ouutdir, gtestOutputFile )
 Depends(dir, pkg)
 a = env.Alias('abc', pkg)
 b = env.Alias('xyz', dir)

scons: *** source file [gtest-1.7.0.zip] must be exist  Stop.



and it gives the same result.

It appears to me that scons is not designed to design/implement a buildflow
(like ant, maven, gradle etc.) but are specialized to simply
compiling/building a single cross platform cpp/c binary.

Maybe its time to give this a try:
http://www.gradleware.com/news/blog/creating-world-class-cc-build-system-gradle
http://www.gradle.org/docs/current/userguide/userguide_single.html#native_binaries:languages
http://www.gradle.org/docs/current/userguide/userguide_single.html#nativeBinaries




On Fri, Jan 17, 2014 at 6:35 PM, Gary Oberbrunner <garyo at oberbrunner.com>wrote:


> On Thu, Jan 16, 2014 at 7:21 PM, delbert dev <delbertum at gmail.com> wrote:

> > env.Replace(URLDOWNLOAD_USEURLFILENAME =  False )

> > ouutdir = Entry('outdir')

> > a = env.Alias('abc', env.URLDownload(gtestOutputFile, gtestUrl))

> > b = env.Alias('xyz', env.Unpack( ouutdir, gtestOutputFile ))

>

> First, why do you set URLDOWNLOAD_USEURLFILENAME to False?  I haven't

> tried it but it looks from the code like it wouldn't work very well to

> use the full URL as a filename, and it could also be causing the

> dependency to be broken if it's not a valid path.

>

> But second, when you do Depends(b, a) you're only saying that the

> alias depends on the other alias.  Try this (not tested):

>  pkg = env.URLDownload(gtestOutputFile, gtestUrl)

>  dir = env.Unpack( ouutdir, gtestOutputFile )

>  Depends(dir, pkg)

>  a = env.Alias('abc', pkg)

>  b = env.Alias('xyz', dir)

>

> --

> Gary

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