RE: arm cross error

[David Korn <dkorn at pixelpower dot com>]

>-----Original Message-----
>From: Cristian Amitroaie [mailto:Cristian.Amitroaie@nobugconsulting.ro]
>Sent: 16 March 2001 06:53

>> >But now I have the following error:
>> >
>> >/gcc-2.95.2/gcc/config -I../../gcc-2.95.2/gcc/../include -c 
>> >-DL${name} \
>> >       ../../gcc-2.95.2/gcc/libgcc2.c -o ${name}.o; \
>> >  if [ $? -eq 0 ] ; then true; else exit 1; fi; \
>> >  arm-coff-ar rc tmplibgcc2.a ${name}.o; \
>> >  rm -f ${name}.o; \
>> >done
>> >_muldi3
>> >../../gcc-2.95.2/gcc/libgcc2.c:41: stdlib.h: No such file 
>or directory
>> >../../gcc-2.95.2/gcc/libgcc2.c:42: unistd.h: No such file 
>or directory
>> >make[3]: *** [libgcc2.a] Error 1
>>
>>  Yep.  This one is because you don't have any target header files.  Are
>>you planning on using newlib with this compiler?
>
>yeap

  Right.  In order to build libgcc.a for the target, the compiler needs to
have access to the header files for the target's runtime C library.  In
your case, that means the newlib header files.  There are several ways 
this can be done:

  1)  In the gcc-2.95.2 subdirectory, create a symbolic link called
'newlib' to the newlib source directory, and add the flag --with-newlib
to your configure command.

  2)  Copy the include header files from newlib to $prefix/$target/include.
In your case that would be /usr/local/arm-coff/include.

  3)  Add the option --with-headers=/path/to/newlib/headers to your
configure command.

  Of these options, 2) is probably the quickest and most sound.  I like
3) myself but I get told off by Kai Ruottu every time I suggest it, 
fortunately he's on holiday at the moment so I can get away with it.  1)
is meant to be an official solution to the problem as it kind-of
simulates doing a one-tree build but I haven't tried it myself.

  For further information about target headers, see 
http://gcc.gnu.org/onlinedocs/gcc_4.html#SEC63

     DaveK
-- 
 All your base are belong to us!


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