[Ardour-Dev] g++ version and -std=c++11 ?

Paul Davis paul at linuxaudiosystems.com
Wed Apr 20 11:07:19 PDT 2016


You might consider running ./waf configure --help

which would show --cxx11 as an option already (thanks to rgareus, as ever)

On Wed, Apr 20, 2016 at 1:10 AM, Ben Simons <Ben.Simons at uts.edu.au> wrote:

> :-) Hey Paul
>
>
> thanks for the quick response.
>
>
> ok cool.. Yes, vers 3.5.403 is what's "current" in Gentoo (fyi).
>
> When a user runs "emerge ardour" that's what installs.
>
> vers 4.7 is the reason i'm looking to fork from github & compile instead.
>
>
> For what it's worth, I could not successfully compile on linux.
>
> As per my previous post, it dies at:
>
>
> [ 47/811] cxx: libs/lua/luastate.cc -> build/libs/lua/luastate.cc.1.o
>
>
>
> However! this following hack got it Ardour to compile:
>
>
>  $ git diff wscript
> diff --git a/wscript b/wscript
> index 926e6fe..fef8b18 100644
> --- a/wscript
> +++ b/wscript
> @@ -438,6 +438,13 @@ int main() { return 0; }''',
>              # determine processor flags via /proc/cpuinfo
>              #
>
> +            #
> +            # HACK
> +            # add cxx_flags.append('-std=c++11') anyway
> +            # [ben 20Apr16]
> +            ## cxx_flags.append('-std=c++11')
> +            compiler_flags.append('-std=c++11')
> +
>              if conf.env['build_target'] != 'i386':
>
>                  flag_line = os.popen ("cat /proc/cpuinfo | grep
> '^flags'").read()[:-1]
>
>
>
> I won't be checking this in. It's just a HACK. I just wanted to see if it
> would
>
> produce a successful compile. It did. It simply added the compile flag
> '-std=c++11'.
>
>
> hope that's useful info?
>
>
> cheers,
>
> ben.
>
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