#serial 3dnl From Jim Meyering.dnldnl See if struct statfs has the f_fstypename member.dnl If so, define HAVE_F_FSTYPENAME_IN_STATFS.dnlAC_DEFUN([jm_FSTYPENAME],  [    AC_CACHE_CHECK([for f_fstypename in struct statfs],		   fu_cv_sys_f_fstypename_in_statfs,      [	AC_TRY_COMPILE(	  [#include <sys/param.h>#include <sys/types.h>#include <sys/mount.h>	  ],	  [struct statfs s; int i = sizeof s.f_fstypename;],	  fu_cv_sys_f_fstypename_in_statfs=yes,	  fu_cv_sys_f_fstypename_in_statfs=no	)      ]    )    if test $fu_cv_sys_f_fstypename_in_statfs = yes; then      AC_DEFINE(HAVE_F_FSTYPENAME_IN_STATFS, 1,		[Define if struct statfs has the f_fstypename member.])    fi  ])