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Re: Stuff missing from libgcc.a?
On Aug 20, 2013, at 5:07 AM, Dennis Ferguson
> On 20 Aug, 2013, at 03:10 , Matt Thomas <matt%3am-software.com@localhost>
>>> I hence think the earm libgcc.a is missing stuff that should
>>> be in there, but I'm not sure so I thought I'd ask.
>> NetBSD standalone apps don't use libgcc, but we provide the
>> equivalent in libkern.
>> You might try build a libkern and see if it's a suitable
>> replacement. Hopefully soon, NetBSD will supply an empty
>> libgcc.a :)
> Got it. The trouble with doing this in a hurry is that while
> a number of libkern.a instances get built with a `-a earm' build
> the ones I've tried to use as a libgcc.a replacement seem to have
> been compiled for `-a arm'(?). Loading against the library produces
> ABI mismatch errors of the form
> arm--netbsdelf-eabi-ld.bfd: error: Source object
> /home/dennis/U-Boot/lib/libgcc.a(divsi3.o) has EABI version 0, but target
> u-boot has EABI version 5
> so I'm faced with figuring out how to produce a cross-compiled
> version of that library which uses the build's ABI.
> It did occur to me that if that library, or at least that library's
> version of the compiler runtime, is what is required to build standalone
> programs not included in the NetBSD base system then it might be nice
> if it were available as a system library. As far as I can tell this
> is the only issue keeping me from being able to produce a new set of
> u-boot binaries without having to put together a Linux system for the
> purpose of compiling it.
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