[Scons-users] Building D release and tests
bill at baddogconsulting.com
Tue Apr 11 11:06:30 EDT 2017
If you build the same binary into the same tree with different flag then
you're doing something wrong and scons should and does flag this.
In your example, you should use a diffferent build dir for tests if they
need to e built with different flags..
On Tue, Apr 11, 2017 at 6:48 AM, Russel Winder <russel at winder.org.uk> wrote:
> OK, I think I finally twigged that the D tools are broken. Sorry I was
> so slow.
> I shall construct a test and then a fix. And then a pull request which
> hopefully can get accepted quickly.
> On Tue, 2017-04-11 at 09:56 +0100, Russel Winder wrote:
> > If you try to use SCons to build release code and test code, life
> > gets
> > very complicated, and I think shows that whilst variant builds may
> > not
> > be broken, they are not easy to use. (Meson and CMake make this
> > relatively easy.)
> > To build out-of-tree (the only sane way) a release, I compile
> > source/main.d with an environment that turns on all the
> > optimisations.
> > To build the unittests (out-of-tree obviously), I compile
> > source/main.d
> > with different environment.
> > This causes problems because SCons sees the source/main.o twice in
> > the
> > tree and says
> > scons: *** Two environments with different actions were specified for
> > the same target:
> > /home/users/russel/Repositories/Git/Masters/ApproxGC_D/source/main.o
> > (action 1: ldc2
> > -I=/home/users/russel/Repositories/Git/Masters/ApproxGC_D -O -c
> > -of=main.o main.d)
> > (action 2: ldc2
> > -I=/home/users/russel/Repositories/Git/Masters/ApproxGC_D -unittest
> > -c -of=main.o main.d)
> > File
> > "/home/users/russel/Repositories/Git/Masters/ApproxGC_D/SConscripts/U
> > nitTests", line 3, in <module>
> > The problem here seems to be that the fact that the rule is in the
> > context of a variant build is not being taken into account. One rule
> > is
> > making Build/Release/source/main.o the other
> > Build/UnitTests/source/main.o, but the build DAG appears not to know
> > this.
> > I have just put the code up on GitHub if anyone has time to take a
> > peek
> > at this.
> > https://github.com/russel/ApproxGC
> Dr Russel Winder t: +44 20 7585 2200 voip:
> sip:russel.winder at ekiga.net
> 41 Buckmaster Road m: +44 7770 465 077 xmpp: russel at winder.org.uk
> London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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