Re: [Gm2] linking : `__gxx_personality_v0' question

[Gaius Mulley]

john o goyo <address@hidden> writes:

> On 19-Apr-11, at 3:52 PM, Chris Lilley wrote:
>
>> On Tuesday, April 19, 2011, 9:07:55 PM, john wrote:
>>
>>
>> jog> I just tried -flibs=min with the following result.
>>
>> jog> johng: 524 [tst-gm2]=> gm2 -Os -fno-exceptions -O2 -flibs-min
>> single.mod
>> jog> cc1gm2: error: unrecognized command line option "-flibs-min"
>>
>> That's an equals sign between flibs and min, not a hyphen
>
> Oops -- but it still does not work.
>
> johng: 507 [tst-gm2]=> gm2  -fno-exceptions -flibs=min  single.mod
> failed to find definition module InOut.def
>
> And if I leave that out, the "-fno-exceptions" does not work either.
>
> johng: 506 [tst-gm2]=> gm2  -fno-exceptions  single.mod
> Undefined                       first referenced
>  symbol                             in file
> typeinfo for int                    /opt/gm2-4.1.2/lib/gcc/sparc64-
> sun-solaris2.10/4.1.2/gm2/pim/libgm2.a(RTExceptions.o)
> __cxa_allocate_exception            /opt/gm2-4.1.2/lib/gcc/sparc64-
> sun-solaris2.10/4.1.2/gm2/pim/libgm2.a(RTExceptions.o)
> __cxa_throw                         /opt/gm2-4.1.2/lib/gcc/sparc64-
> sun-solaris2.10/4.1.2/gm2/pim/libgm2.a(RTExceptions.o)
> __gxx_personality_v0                /var/tmp//ccOcmrIO.a(cc1ysxe8prog.o)
> ld: fatal: Symbol referencing errors. No output written to a.out
> collect2: ld returned 1 exit status
>

Hi John,

ahh the min libs are really minimal.  No I/O or string manipulation
procedures - just the minimal stubs to satisfy the linker (in M2RTS) and
a minimal SYSTEM.  So for example when building for an embedded platform
the total minlibs overhead is 170 bytes, on the avr ATMega8

regards,
Gaius