[Scons-users] SCons 2.3.6: SharedLibrary + SHLIBVERSION messes up with dependencies

[William Blevins]

On Tue, Aug 11, 2015 at 4:52 AM, Paweł Tomulik <ptomulik at meil.pw.edu.pl>
wrote:

> W dniu 11.08.2015 o 03:47, William Blevins pisze:
> > You still haven't provided much info about your configuration.  What
> > platform are you on, etc...
> >
>
> Debian testing
> python 2.7.10
>

I was looking through the commits for 2.3.5 and noticed that there were
changes with shared libs for the Solaris platform, so it *could* have been
a data point.



>
> > On Mon, Aug 10, 2015 at 10:31 AM, Paweł Tomulik <ptomulik at meil.pw.edu.pl
> > <mailto:ptomulik at meil.pw.edu.pl>> wrote:
> >
> >     W dniu 10.08.2015 o 11:55, Paweł Tomulik pisze:
> >     > After recent upgrade of SCons my projects can't be built anymore.
> >     >
> >     > I use SharedLibrary builder with SHLIBVERSION argument, but now
> >     (2.3.6)
> >     > the softlinks generated by SharedLibrary are not seen as
> dependency.
> >     >
> >     > I attach a minimal example, that replicates the bug(?). The
> >     mini-project
> >     > builds one shared library (libfoo.so) and one program (main) which
> >     uses
> >     > the library. The Sconstruct is as simple as:
> >     >
> >     > env = Environment()
> >     > env.AppendUnique(CPPPATH = ['.'], LIBPATH = ['.'])
> >     > env.Program('main.cpp', LIBS = ['foo'])
> >     > env.SharedLibrary('foo', 'foo.cpp', SHLIBVERSION = '0.1.2')
> >     >
> >     >
> >     [..]
> >
> >     Dependency tree generated by 2.3.1 with SHLIBVERSION:
> >
> >
> > If this worked on 2.3.4, then why did you need to go back to 2.3.1?
> >
>
> It was easier too me, I use apt-get/debian repositories to install
> packages. Currently available versions are
>
> 2.3.6 (Debian testing/Debian unstable)
> 2.3.1 (Debian stable).
> 2.1.9 (Debian oldstable)
> 2.0.0 (Debian oldoldstable)
>
> https://packages.debian.org/search?keywords=scons
>
> 2.3.4 is currently unavailable via Debian repositories.
>
> On other PC I managed to keep the 2.3.4, there is the output of
> --tree=all for scons 2.3.4
>
> ptomulik at tea:$ scons --tree=all
> scons: Reading SConscript files ...
> scons: done reading SConscript files.
> scons: Building targets ...
> g++ -o libfoo.so.0.1.2 -shared -Wl,-Bsymbolic -Wl,-soname=libfoo.so.0
> foo.os -L.
> +-.
>   +-SConstruct
>   +-foo.cpp
>   +-foo.hpp
>   +-foo.os
>   | +-foo.cpp
>   | +-/usr/bin/g++
>   +-libfoo.so.0.1.2
>   | +-foo.os
>   |   +-foo.cpp
>   |   +-/usr/bin/g++
>   +-libfoo.so.0
>   | +-libfoo.so.0.1.2
>   |   +-foo.os
>   |     +-foo.cpp
>   |     +-/usr/bin/g++
>   +-libfoo.so.0.1
>   | +-libfoo.so.0.1.2
>   |   +-foo.os
>   |     +-foo.cpp
>   |     +-/usr/bin/g++
>   +-libfoo.so.0.1.2
>   | +-libfoo.so.0.1.2
>   |   +-foo.os
>   |     +-foo.cpp
>   |     +-/usr/bin/g++
>   +-main
>   | +-main.o
>   | | +-main.cpp
>   | | +-foo.hpp
>   | | +-/usr/bin/g++
>   | +-/usr/bin/g++
>   | +-libfoo.so.0.1.2
>   |   +-foo.os
>   |     +-foo.cpp
>   |     +-/usr/bin/g++
>   +-main.cpp
>   +-main.o
>     +-main.cpp
>     +-foo.hpp
>     +-/usr/bin/g++
>
> >
> >
> >     +-.
> > [...]
>
> --
> Paweł Tomulik, tel. (22) 234 7925
> Instytut Techniki Lotniczej i Mechaniki Stosowanej
> Politechnika Warszawska
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>
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