Re: __main undefined symbol

[Matthew Majka <matthew dot majka at honeywell dot com>]

Doug Evans wrote:
> 
> Matthew Majka writes:
>  > I was under the impression that the only reason that a file named crt0.o
>  > was only needed because it was specified in one of the default linker
>  > scripts installed with the compiler and using a different startup/boot
>  > file was simply a matter of writing your own linker script.  Can someone
>  > confirm this for me?
> 
> Close.  For many ports crt0 is passed to ld from gcc on the command line.
> By that I mean gcc passes crt0 to linker as an argument, it appears
> in ld's argv[].  That doesn't mean the _user_ has to specify crt0 when
> invoking gcc.

That makes sense.  I think for my embedded targets (i960-vxworks,
powerpc-vxworks, and m68k-coff) I tend to call ld directly, although I
doubt they require a crt0.o anyway.

Matt

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