[Scons-users] interrupted or failed build action handling

[Bill Deegan]

Dagg,

You can't have actions depend on each other.
Do you mean builders?

-Bill

On Wed, Apr 29, 2020 at 12:02 PM daggs <daggs at gmx.com> wrote:

> Greetings Mats,
>
> > Sent: Wednesday, April 29, 2020 at 9:34 PM
> > From: "Mats Wichmann" <mats at wichmann.us>
> > To: scons-users at scons.org
> > Subject: Re: [Scons-users] interrupted or failed build action handling
> >
> > On 4/29/20 12:22 PM, daggs wrote:
> > > Greetings Bill,
> > >
> > > you are correct, I'll clarify.
> > > I have an existing scons env that builds a product.
> > > I have a bash script that has three funcs, prep, bind and unbind.
> > >
> > > I want to do the following:
> > > prep => bind => build product => unbind.
> > > when no matter how the build ends (success, failure or user
> > > interruption), unbind will be called.
> > > I thought adding prep as action, bind as another action which is
> > > depended on prep and set bind as depdency of the first action of the
> build.
> > > to warp it up, I thought of registering the unbind as an atexit handler
> > > and register the it to sigterm and sigint too.
> > >
> > > I wondered if there is a more elegant way to do it.
> >
> > This you should be able to do at the shell level, to keep it simple.
> >
> > scons should have exit codes you can use to decide what to do if the
> > build fails - it will return 0 on success, non-zero on fail.
> >
> > For example, trivial SConstruct which tries to build from a source file
> > which doesn't exist:
> >
> > $ scons-3 -f scons-bad.py
> > scons: Reading SConscript files ...
> > scons: done reading SConscript files.
> > scons: Building targets ...
> > scons: *** [foo.o] Source `foo.c' not found, needed by target `foo.o'.
> > scons: building terminated because of errors.
> > $ echo $?
> > 2
> >
> >
> > Does this help?
>
> I'd rather not have a wrapper func, I got to much smartasses in my company
> that will not use it or use it wrongly.
>
> Dagg.
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