Older kernels don't have F_SETPIPE_SZ and F_GETPIPE_SZ (in particular RHEL6's system headers don't define these). Add ifdefs so that we can gracefully fall back to not supporting those guest ioctls rather than failing to build.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- Reported by an anonymous IRC user... linux-user/syscall.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 6ad8239..165fd06 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5598,10 +5598,12 @@ static int target_to_host_fcntl_cmd(int cmd) case TARGET_F_SETOWN_EX: return F_SETOWN_EX; #endif +#ifdef F_SETPIPE_SZ case TARGET_F_SETPIPE_SZ: return F_SETPIPE_SZ; case TARGET_F_GETPIPE_SZ: return F_GETPIPE_SZ; +#endif default: return -TARGET_EINVAL; } -- 1.9.1