I believe (without checking) that since mspgcc doesn't support C++
exceptions the default is -fno-exceptions. I suspect rtti is also off by
default, but I don't have the vague reminiscence of having made sure of
that.
On Tue, Jun 11, 2013 at 4:39 AM, Paul Sokolovsky <pmis...@gmail.com> wrote:
> Hello,
>
> On Mon, 10 Jun 2013 17:23:00 -0700
> Thomas Taranowski <t...@baringforge.com> wrote:
>
> > 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
>
> Well, I'm using:
>
> msp430-g++ -I../include/ -mmcu=msp430g2553 -O1 -g -Wreturn-type
> -ffunction-sections -fdata-sections -DHW_CONFIG=\"hw_config_msp430.hpp\"
> -fno-exceptions -c blink.cpp -o bin-msp430/blink.o
> msp430-gcc -mmcu=msp430g2553 -Wl,--gc-sections
> -Wl,-Map=bin-msp430/blink.map,--cref bin-msp430/blink.o -o
> bin-msp430/blink
>
> (I was shocked to see that Energia doesn't pass -fno-exceptions, but I
> myself don't pass -fno-rtti, that needs to be fixed).
>
> >
> > 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
> >
>
> --
> Best regards,
> Paul mailto:pmis...@gmail.com
>
>
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