[Scons-users] include dir with scons variant_dir handling

[Bill Deegan]

Which HDL are you using? Verilog or VHDL?
What's the include syntax?
(It's been a while..)

You should probably create HDLINCFLAGS and user $_concat with your own
INCPREFIX... etc.
Take a look at: https://scons.org/doc/production/HTML/scons-man.html and
search for _concat

-Bill


On Thu, Jul 12, 2018 at 7:44 AM, Hua Yanghao <huayanghao at gmail.com> wrote:

> After digging into a bit more, it looks like C builders will scan for
> included dependencies (not sure how this is done reliably and how deep
> include case are handled), and only those used header files are copied
> to build folder. And from --tree=all it clearly shows scons knows
> these files being used and a dependency is in place.
>
> Seems if I want this to happen for HDL files I then need to either
> write a scanner, or simply makes each and every hdl files depends on
> the entire include files if I want the include files to be copied
> properly. I will give this a try but not sure if this is the best way
> to do it. Otherwise writing a scanner I don't understand how to make
> it reliable without using a real HDL compiler.
> On Thu, Jul 12, 2018 at 4:22 PM Hua Yanghao <huayanghao at gmail.com> wrote:
> >
> > This works as to expand CPPPATH into a list of path however this is
> > not taking care of copying include files into build directory.
> >
> > any idea?
> > On Thu, Jul 12, 2018 at 4:05 PM Hua Yanghao <huayanghao at gmail.com>
> wrote:
> > >
> > > This is the magic? '_CPPINCFLAGS'  : '$( ${_concat(INCPREFIX, CPPPATH,
> > > INCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
> > >
> > > So I guess I need to generate and use this _CPPINCFLAGS in my builder
> > > and define my own INCPREFIX/SUFFIX and it should do? Will give it a
> > > try quickly.
> > > On Thu, Jul 12, 2018 at 4:00 PM Hua Yanghao <huayanghao at gmail.com>
> wrote:
> > > >
> > > > Hi Bill,
> > > > Yes, I am using SConscript("path/to/SConscript",
> variant_dir="build"),
> > > > and apparently the CPPPATH is only taken care in my C code build, not
> > > > for my HDL builds.
> > > > And I even want something like "INCPATH" instead of "CPPPATH", and
> > > > generates not "-Ipath/to/my/include" but also other formats e.g.
> > > > "+incdir+path/to/my/include".
> > > >
> > > > Any idea?
> > > >
> > > > Best Regards,
> > > > Yanghao
> > > > On Thu, Jul 12, 2018 at 2:31 PM Bill Deegan <
> bill at baddogconsulting.com> wrote:
> > > > >
> > > > > so you're using SConscript('src/SConscript',variant_dir='build')
> for example?
> > > > > You shouldn't need to do anything to make this work with any
> builder.
> > > > >
> > > > > -Bill
> > > > >
> > > > > On Thu, Jul 12, 2018 at 4:06 AM, Hua Yanghao <huayanghao at gmail.com>
> wrote:
> > > > >>
> > > > >> Dear Scons Users and Developers,
> > > > >> I am using scons variant_dir so all builds (including a replica
> of the
> > > > >> original file, e.g. duplicate=1 by default) output in a separate
> > > > >> folder.
> > > > >>
> > > > >> This works out of box for C include files, which also have a nice
> > > > >> duplicate in the output directory (I am not using scanners so I
> guess
> > > > >> all C include files are duplicated). However now I am enabling new
> > > > >> customized builders, which also have a similar concept of include
> path
> > > > >> and include files, how can I achieve the same as for C code
> > > > >> compilation, e.g. to have include path and its files dupliated in
> the
> > > > >> output folder?
> > > > >>
> > > > >> Thanks for any tips before I dive into the source code.
> > > > >>
> > > > >> Best Regards,
> > > > >> Yanghao Hua
> > > > >> _______________________________________________
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> > > > >> Scons-users at scons.org
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> > > > >
> > > > >
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