# d-type.m4 # serial 12 dnl Copyright (C) 1997, 1999-2004, 2006, 2009-2025 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl This file is offered as-is, without any warranty. dnl From Jim Meyering. dnl dnl Check whether struct dirent has a member named d_type. AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE], [AC_CACHE_CHECK([for d_type member in directory struct], [gl_cv_struct_dirent_d_type], [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[struct dirent dp; dp.d_type = 0;]])], [gl_cv_struct_dirent_d_type=yes], [gl_cv_struct_dirent_d_type=no]) ] ) if test $gl_cv_struct_dirent_d_type = yes; then AC_DEFINE([HAVE_STRUCT_DIRENT_D_TYPE], [1], [Define if there is a member named d_type in the struct describing directory headers.]) fi ] )