AC_DEFUN([AX_CHECK_MOUNT_OPT], [__AX_CHECK_MOUNT_OPT(m4_tolower([$1]),m4_toupper([$1]))])
AC_DEFUN([__AX_CHECK_MOUNT_OPT],
[
- AS_IF([test "x$ac_cv_header_sys_mount_h" = x],
- [AC_CHECK_HEADERS([sys/mount.h])])
- AS_IF([test "x$ac_cv_header_sys_mount_h" = xno],
- [AC_MSG_FAILURE([error: sys/mount.h not present on your system!])])
AS_ECHO_N("checking for mount '$1' option... ")
AC_TRY_COMPILE(
[#include <sys/mount.h>],