Default GCC -std= option on ARM Crossworks

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Will Dean

• February 05, 2014 13:01

Using Arm Crossworks 2.3.5 (GCC4.7), we'd like to use scoped enums, which we can't because GCC requires -std=c++11.

However, adding -std=c++11 to the project's "additional C++ options" is ineffective, because Crosstudio is adding -std=c++98 to the command line and overriding us.  I suspect that the fact it's after our additional options means that it takes precedence.

So:

* Is this -std=c++98 hard-coded in the Crossstudio binaries, or can I change it somewhere (I couldn't find it by grepping, other than in various .EXEs)?

* Would it be possible for 'additional options' to be at the end of the command line, so that they provide a means to override existing options?

 

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  Will Dean

  • February 05, 2014 21:23

  Thanks to Michael from Rowley for his help - in case this helps anyone else, you can stop the tools adding the -std=c++98 by turning off the "Enforce ANSI Checking" option.  Then you can add your own -std= option.

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