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Re: [Craig Metz <cmetz@inner.net>] libc/1184: Latest glibc + toolchain can't really build 386 lib


>>>>> Joel Klecker writes:

Joel> At 19:35 -0400 1999-07-01, Horst von Brand wrote:
>> Andreas Jaeger <aj@arthur.rhein-neckar.de> said:
>>> We've received the append bug report.  Any ideas what's broken here?
>> 
>> [CFLAGS -m386 on an i686 gives programs that SIGILL on i386]
>> 
>> The problem is that -m386 schedules for a i386, but generates native code
>> (i686 in the case discussed here); you need -march=i386 (generate code for
>> i386, and schedule for it too). BTW, -m386 is deprecated.

Joel> I have tested it, it seems that only -mcpu=i386 will actually have 
Joel> the desired effect. With egcs 1.1.2 and gcc 2.95 as of 19990629 
Joel> configured for i486-linux, -march=i386 or -m386 still end up defining 
Joel> 'i486', '__i486', and '__i486__'.
Joel> I don't actually have a library built this way, however, and would 
Joel> have no way to test it if I had.

I've just checked this -mcpu=i386 has to be specified.  Craig, can you 
test this and tell us whether it works?

Andreas
-- 
 Andreas Jaeger   aj@arthur.rhein-neckar.de    jaeger@informatik.uni-kl.de
  for pgp-key finger ajaeger@aixd1.rhrk.uni-kl.de

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