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dnl #
dnl # Check for statx() function and STATX_MNT_ID availability
dnl #
AC_DEFUN([ZFS_AC_CONFIG_USER_STATX], [
AC_CHECK_HEADERS([sys/stat.h],
[have_stat_headers=yes],
[have_stat_headers=no])
AS_IF([test "x$have_stat_headers" = "xyes"], [
AC_CHECK_FUNC([statx], [
AC_DEFINE([HAVE_STATX], [1], [statx() is available])
dnl Check for STATX_MNT_ID availability
AC_MSG_CHECKING([for STATX_MNT_ID])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/stat.h>
]], [[
struct statx stx;
int mask = STATX_MNT_ID;
(void)mask;
(void)stx.stx_mnt_id;
]])
], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STATX_MNT_ID], [1], [STATX_MNT_ID is available])
], [
AC_MSG_RESULT([no])
])
])
], [
AC_MSG_WARN([sys/stat.h not found; skipping statx support])
])
]) dnl end AC_DEFUN
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