[Scons-users] Surprising change in behaviour of createSharedLibBuilder

[Bill Deegan]

Steve,

Nope, totally the correct way to implement.
out of curiosity are none of these gcc or clang based?

-Bill

On Mon, Sep 20, 2021 at 9:21 AM Steve Hill (Wireless) <
Steve.Hill1 at viavisolutions.com> wrote:

> Hi Bill,
>
>
>
> We have written several Tools for compilers, linkers (and other things)
> not natively supported by SCons. Where possible, we have defined the
> appropriate environment variables and called the create*Builder helpers
> to add the appropriate builders into the environment. Should we have done
> this in a different way?
>
>
>
> Cheers,
>
>
>
> S.
>
>
>
> *From:* Bill Deegan
> *Sent:* 20 September 2021 15:47
> *To:* SCons users mailing list <scons-users at scons.org>
> *Subject:* Re: [Scons-users] Surprising change in behaviour of
> createSharedLibBuilder
>
>
>
> Steve,
>
>
>
> Any API not in the manpage is not subject to depreciation process.
>
>
>
> As far as this specific change, it was necessary to introduce an
> intermediary variable for  the suffix to properly generate versioned shared
> library file names and symlinks.
>
> Not sure why you're calling createSharedLibBuilder() directly?
>
> Perhaps if you can explain why, we can suggest how you should handle this
> change.
>
>
>
> -Bill
>
>
>
> On Mon, Sep 20, 2021 at 1:55 AM Steve Hill (Wireless) via Scons-users <
> scons-users at scons.org> wrote:
>
> Hi,
>
>
>
> I’ve just started the process of upgrading from SCons 3.1.2 to 4.2.0 and
> some of our Tools have been broken by a change that I find surprising.
>
>
>
> Where we define a ShLib builder, we define $SHLIBPREFIX and $SHLIBSUFFIX,
> amongst other things, before calling createSharedLibBuilder(env).
>
>
>
> Moving to 4.2.0, this resulted in the prefix still being honoured, while
> the suffix was not. By default, the builder now takes $SHLIBPREFIX and
> $_SHLIBSUFFIX. Could someone explain the reason for the new asymmetry?
>
>
>
> Is the preferred solution to add the optional argument (SCons.Tool.createSharedLibBuilder(env,
> "$SHLIBSUFFIX")) or to change our Tools to define $_SHLIBSUFFIX instead
> of $SHLIBSUFFIX?
>
>
>
> Thanks,
>
>
>
> S.
>
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