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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Using this answer from Stack Overflow: https://stackoverflow.com/questions/46980383/how-to-determine-what-c-standard-is-the-default-for-a-c-compiler<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I was able to determine the default std the arm-rtems5-g++ cross compiler (based off of GCC 7.3) is using GNU++14 (C++14) by printing out the __cplusplus macro
to the console. This matches what the GCC website says the cross compiler should be using.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Avi<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Mikhail Svetkin <mikhail.svetkin@gmail.com>
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<b>Sent:</b> Friday, January 4, 2019 4:38 PM<br>
<b>To:</b> Misra, Avinash <Avinash.Misra@jhuapl.edu><br>
<b>Subject:</b> Re: arm-rtems5-g++ -std=c++11 and -std=c++0x support<o:p></o:p></span></p>
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<p class="MsoNormal">Yes, sure.<o:p></o:p></p>
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<p class="MsoNormal">You can try to compile a simple application with c++11 features.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">For example just add #include <thread>.<o:p></o:p></p>
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<p class="MsoNormal">On 4 Jan 2019, at 22:35, Misra, Avinash <<a href="mailto:Avinash.Misra@jhuapl.edu">Avinash.Misra@jhuapl.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">That would be awesome if you could. Is there a way I can check?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Avi</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Mikhail
Svetkin <<a href="mailto:mikhail.svetkin@gmail.com"><span style="color:purple">mikhail.svetkin@gmail.com</span></a>><span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Friday, January 4, 2019 4:29 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Misra, Avinash <<a href="mailto:Avinash.Misra@jhuapl.edu"><span style="color:purple">Avinash.Misra@jhuapl.edu</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: arm-rtems5-g++ -std=c++11 and -std=c++0x support</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I think it should be gnu++11 by default, but I am not sure.<o:p></o:p></p>
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<p class="MsoNormal">I can check it only on Monday<o:p></o:p></p>
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<p class="MsoNormal">On 4 Jan 2019, at 22:14, Misra, Avinash <<a href="mailto:Avinash.Misra@jhuapl.edu"><span style="color:purple">Avinash.Misra@jhuapl.edu</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Gotcha, I hadn’t realized that limitation existed. Do you know what it uses by default if –std isn’t specified?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Avi</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Mikhail
Svetkin <<a href="mailto:mikhail.svetkin@gmail.com"><span style="color:purple">mikhail.svetkin@gmail.com</span></a>><span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Friday, January 4, 2019 4:12 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Misra, Avinash <<a href="mailto:Avinash.Misra@jhuapl.edu"><span style="color:purple">Avinash.Misra@jhuapl.edu</span></a>><br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:rtems-devel@rtems.org"><span style="color:purple">rtems-devel@rtems.org</span></a><span class="apple-converted-space"> </span><<a href="mailto:devel@rtems.org"><span style="color:purple">devel@rtems.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: arm-rtems5-g++ -std=c++11 and -std=c++0x support</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">RTEMS supports only GNU extensions.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">You can use -std=gnu++11<o:p></o:p></p>
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<p class="MsoNormal">On 4 Jan 2019, at 22:09, Misra, Avinash <<a href="mailto:Avinash.Misra@jhuapl.edu"><span style="color:purple">Avinash.Misra@jhuapl.edu</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Does the RTEMS 5 ARM G++ Cross Compiler support the –std flag? I’ve tried using –std=c++0x and –std=c++11 and both times I have gotten errors with type definitions in the standard
includes. If the arm-rtems5-g++ cross compiler doesn’t support specifying which c++ standard to use then which standard is it using?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks,<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Avi</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
devel mailing list<br>
</span><a href="mailto:devel@rtems.org"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#954F72">devel@rtems.org</span></a><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br>
</span><a href="http://lists.rtems.org/mailman/listinfo/devel"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#954F72">http://lists.rtems.org/mailman/listinfo/devel</span></a><o:p></o:p></p>
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