When cross compilling for riscv32 hosts using GCC 8.2 this error is seen: error: '__NR__llseek' undeclared (first use in this function); did you mean '_llseek'?
To avoid the error let's ensure that __NR__llseek is defined. Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> --- linux-user/riscv/target_syscall.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/riscv/target_syscall.h b/linux-user/riscv/target_syscall.h index ee81d8bc88..af73f71839 100644 --- a/linux-user/riscv/target_syscall.h +++ b/linux-user/riscv/target_syscall.h @@ -47,6 +47,11 @@ struct target_pt_regs { #endif #define UNAME_MINIMUM_RELEASE "4.15.0" +/* This is sometimes needed to compile riscv32 Linux user mode */ +#if !defined(__NR__llseek) && !defined(__NR_lseek) +#define __NR__llseek __NR3264_lseek +#endif + #define TARGET_MINSIGSTKSZ 2048 #define TARGET_MLOCKALL_MCL_CURRENT 1 #define TARGET_MLOCKALL_MCL_FUTURE 2 -- 2.19.1