[Buildroot] Buildroot Compile Errors for SH4

[Bernhard Fischer]

Perhaps somebody on the uClibc list is better suited to help.

On Tue, Apr 10, 2007 at 03:43:32PM -0400, Bill Traynor wrote:
>On 4/10/07, Bill Traynor <btraynor at gmail.com> wrote:
>> Hi All,
>>
>> Trying to compile Buildroot for SH4 (from April 10th snapshot
>> http://buildroot.uclibc.org/downloads/snapshots/buildroot-snapshot.tar.bz2)
>> with the following config:
>>
>> 2.6.20 Kernel Headers
>> uClibc - daily snapshot
>> binutils 2.17.50.0.14
>> GCC 4.2
>>
>> Received the following error:
>>
>> CC libc/sysdeps/linux/sh/syscall.os
>> libc/sysdeps/linux/sh/syscall.c:11: error: conflicting types for 'syscall'
>> ./include/unistd.h:1016: error: previous declaration of 'syscall' was here
>
>So the offending code is:
>
>syscall.c
>long syscall(long sysnum,
>                         long arg1, long arg2, long arg3,
>                         long arg4, long arg5, long arg6)
>{
>register long __sc3 __asm__ ("r3") = sysnum;
>register long __sc4 __asm__ ("r4") = (long) arg1;
>register long __sc5 __asm__ ("r5") = (long) arg2;
>register long __sc6 __asm__ ("r6") = (long) arg3;
>register long __sc7 __asm__ ("r7") = (long) arg4;
>register long __sc0 __asm__ ("r0") = (long) arg5;
>register long __sc1 __asm__ ("r1") = (long) arg6;
>__asm__ __volatile__ (
>        "trapa %1"
>        : "=z" (__sc0) \
>        : "i" (__SH_SYSCALL_TRAP_BASE + 6),
>          "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6), "r" (__sc7), \
>          "r" (__sc3), "r" (__sc1) \
>        : "memory" );
>__syscall_return(long,__sc0);
>}
>
>and unistd.h:
>extern long int syscall (long int __sysno, ...) __THROW;
>
>The question now is how to fix this for SH.