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-rw-r--r--m4/d-type.m449
1 files changed, 49 insertions, 0 deletions
diff --git a/m4/d-type.m4 b/m4/d-type.m4
new file mode 100644
index 00000000..6f3125c7
--- /dev/null
+++ b/m4/d-type.m4
@@ -0,0 +1,49 @@
+#serial 8
+
+dnl From Jim Meyering.
+dnl
+dnl Check whether struct dirent has a member named d_type.
+dnl
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+# Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE],
+ [AC_REQUIRE([AC_HEADER_DIRENT])dnl
+ AC_CACHE_CHECK([for d_type member in directory struct],
+ jm_cv_struct_dirent_d_type,
+ [AC_TRY_LINK(dnl
+ [
+#include <sys/types.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else /* not HAVE_DIRENT_H */
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* HAVE_SYS_NDIR_H */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* HAVE_SYS_DIR_H */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif /* HAVE_NDIR_H */
+#endif /* HAVE_DIRENT_H */
+ ],
+ [struct dirent dp; dp.d_type = 0;],
+
+ jm_cv_struct_dirent_d_type=yes,
+ jm_cv_struct_dirent_d_type=no)
+ ]
+ )
+ if test $jm_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
+ ]
+)