1dnl # 2dnl # Check for statx() function and STATX_MNT_ID availability 3dnl # 4AC_DEFUN([ZFS_AC_CONFIG_USER_STATX], [ 5 AC_CHECK_HEADERS([linux/stat.h], 6 [have_stat_headers=yes], 7 [have_stat_headers=no]) 8 9 AS_IF([test "x$have_stat_headers" = "xyes"], [ 10 AC_CHECK_FUNC([statx], [ 11 AC_DEFINE([HAVE_STATX], [1], [statx() is available]) 12 13 dnl Check for STATX_MNT_ID availability 14 AC_MSG_CHECKING([for STATX_MNT_ID]) 15 AC_COMPILE_IFELSE([ 16 AC_LANG_PROGRAM([[ 17 #include <linux/stat.h> 18 ]], [[ 19 struct statx stx; 20 int mask = STATX_MNT_ID; 21 (void)mask; 22 (void)stx.stx_mnt_id; 23 ]]) 24 ], [ 25 AC_MSG_RESULT([yes]) 26 AC_DEFINE([HAVE_STATX_MNT_ID], [1], [STATX_MNT_ID is available]) 27 ], [ 28 AC_MSG_RESULT([no]) 29 ]) 30 ]) 31 ], [ 32 AC_MSG_WARN([linux/stat.h not found; skipping statx support]) 33 ]) 34]) dnl end AC_DEFUN 35