Re: mspg++ and c++ includes

Thanks for the comment Paul.  What are you using for your compiler
flags?  I'm having a couple issues with mine.

I'm currently using the following:
-ffunction-sections -fdata-sections -DGCC_MSP430 -Wall -fno-exceptions
-fno-rtti -fno-enforce-eh-specs -nodefaultlibs

This works well in with -O2 specified (release build), but fails with
memset undefined when running my -O0 debug build.  Presumably the
optimized version is using the built-in library.  Also, I can't seem
to get printf back in by adding -lgcc -lc.to the linker flags, as I
think these get ignored after specifying the -nodefaultlibs argument.
I really want something to just disable the libstdc++ include.
Thomas Taranowski | 425-442-9209 | skype: thomas.taranowski | baringforge.com



On Mon, Jun 10, 2013 at 5:00 PM, Paul Sokolovsky <[email protected]> wrote:
> Hello,
>
> On Mon, 10 Jun 2013 17:45:00 -0500
> Peter Bigot <[email protected]> wrote:
>
>> C++ is not supported by mspgcc.   Some people are using it to some
>> degree with some success, and may be able to provide hints about
>> improved compatibility, but no effort has been made to ensure it
>> functions.
>
> C++ as a language works really well with mspgcc. Well, C++ is big and
> multi-paradigm, the part which is good for embedded works well (that
> includes compile-time meta-programming and excludes run-time
> cycle-burning, like virtual functions).
>
> Well, it sucks that things like:
>
> =========
> struct Timer
> {
>     const static int irq_no = 10;
> };
>
> interrupt(Timer::irq_no) irq_handler()
> {
> }
> =========
>
> don't work, but I put up with that.
>
>
> C++ stdlib is different story. I recently did a survey of MCU C++ libs
> and found it funny that almost everyone (including me) had circular.hpp
> or similar in their codebase. So, good-for-embedded things of STL (like,
> well, template classes) are definitely a miss and people reinvent the
> wheel. https://github.com/vancegroup/stlport-avr may be a good start to
> get those.
>
>
>>
>> It is to be hoped this will be addressed by Red Hat's version.
>>
>>
>> On Mon, Jun 10, 2013 at 5:34 PM, Thomas Taranowski
>> <[email protected]>wrote:
>>
>> > mspg++ seems to be functioning, but all the standard c++ includes
>> > seen to be missing.  For example, cstdio, cstdlib, etc.  Am I
>> > missing some part of the install, or is this work yet to be done?
>> >
>> > -Tom
>
>
> --
> Best regards,
>  Paul                          mailto:[email protected]

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