On Tue, Jan 20, 2015 at 4:59 PM, Ziqiang Patrick Huang <
[email protected]> wrote:
> Stefan,
>
> I'm not sure where went wrong, I just tried again, start from beginning,
> following the exact instruction from the website, still ends up in the same
> place.
>
> Here is the libc/sysdeps/linux/common/posix_fadvise.c where it failed,
>
> #ifdef __NR_arm_fadvise64_64
> /* We handle the 64bit alignment issue which is why the arm guys renamed
> their
>
>
> * syscall in the first place. So rename it back.
>
>
>
> */
> # define __NR_fadvise64_64 __NR_arm_fadvise64_64
> #endif
>
> #if defined(__NR_fadvise64) || defined(__NR_fadvise64_64)
> # include <fcntl.h>
> # include <endian.h>
> # include <bits/wordsize.h>
>
> # ifdef __NR_fadvise64_64
> int posix_fadvise64(int fd, off64_t offset, off64_t len, int advice);
> # endif
>
> int posix_fadvise(int fd, off_t offset, off_t len, int advice)
> {
> # ifdef __NR_fadvise64_64
> return posix_fadvise64(fd, offset, len, advice);
> # else
> int ret;
> INTERNAL_SYSCALL_DECL(err);
> # if __WORDSIZE == 64
> ret = INTERNAL_SYSCALL(fadvise64, err, 4, fd, offset, len, advice);
> # else
> # if defined(__UCLIBC_SYSCALL_ALIGN_64BIT__)
> ret = INTERNAL_SYSCALL(fadvise64, err, 6, fd, /*unused*/0,
> # else
> ret = INTERNAL_SYSCALL(fadvise64, err, 5, fd,
> # endif
> OFF_HI_LO (offset), len, advice);
> # endif
> if (INTERNAL_SYSCALL_ERROR_P (ret, err))
> return INTERNAL_SYSCALL_ERRNO (ret, err);
> return 0;
> # endif
> }
> # if defined __UCLIBC_HAS_LFS__ && (!defined __NR_fadvise64_64 ||
> __WORDSIZE == 64)
> strong_alias(posix_fadvise,posix_fadvise64)
> # endif
> #endif
>
>
>
I don't know where it goes wrong for you, but you definitely end up with
the wrong kernel headers.
The code path with the 'strong_alias(posix_fadvise,posix_fadvise64)'
shouldn't be reached with the upstrean openrisc ones,
since we do define __NR_fadvise64_64 (and __WORDSIZE should not be 64).
Some sanity checks, you are installing the headers with:
ARCH=openrisc make INSTALL_HDR_PATH=${SYSROOT}/usr headers_install
right?
And you do have $SYSROOT set to something?
After you've made sure of that, try doing a 'make distclean' and then try
to build again.
Stefan
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