[PATCH 2/3] misc/wscript: Specify C language version

[Joel Sherrill]

On Wed, Mar 31, 2021 at 9:56 AM Gedare Bloom <gedare at rtems.org> wrote:

> Should we set the cstd version at the top-level?
>

That's not what was done for C++ when I looked for examples. I suppose this
lets the C++ version vary by tool or library. And we did import some
third-party
code.

--joel


>
> On Tue, Mar 30, 2021 at 3:16 PM Joel Sherrill <joel at rtems.org> wrote:
> >
> > CentOS 7 has gcc 4.8 which defaults to C90 and this results in warnings
> > for code that is valid C99 but not C90.
> > ---
> >  misc/wscript | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/misc/wscript b/misc/wscript
> > index 521eddf..21e7f75 100644
> > --- a/misc/wscript
> > +++ b/misc/wscript
> > @@ -51,7 +51,8 @@ def build(bld):
> >      #
> >      conf['warningflags'] = ['-Wall', '-Wextra', '-pedantic']
> >      conf['optflags'] = bld.env.C_OPTS
> > -    conf['cflags'] = ['-pipe', '-g'] + conf['optflags']
> > +    cstd = '-std=c99'
> > +    conf['cflags'] = [cstd] + ['-pipe', '-g'] + conf['optflags']
> >      conf['linkflags'] = ['-g']
> >
> >      #
> > --
> > 1.8.3.1
> >
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