[Scons-users] interrupted or failed build action handling

[Bill Deegan]

Dagg,

Can you make a simple complete example of what you're trying to do and post
it on github, or pastebin it somewhere?

_Bill

On Wed, Apr 29, 2020 at 12:08 PM Bill Deegan <bill at baddogconsulting.com>
wrote:

> 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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>>
>
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