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authorJim Meyering <jim@meyering.net>1997-08-18 20:03:36 +0000
committerJim Meyering <jim@meyering.net>1997-08-18 20:03:36 +0000
commit2fc81ec762307ac71b7150c0aa02d8484befeec0 (patch)
treecddae35ff9d134a4e310cf7dff7edb53684a84c9
parentb5ef7a4be75e46cd44eb2f3cfa2512a84026ce98 (diff)
downloadcoreutils-2fc81ec762307ac71b7150c0aa02d8484befeec0.tar.gz
-rw-r--r--m4/d-ino.m440
1 files changed, 40 insertions, 0 deletions
diff --git a/m4/d-ino.m4 b/m4/d-ino.m4
new file mode 100644
index 000000000..56614ff46
--- /dev/null
+++ b/m4/d-ino.m4
@@ -0,0 +1,40 @@
+#serial 1
+
+dnl From Jim Meyering.
+dnl
+dnl Check whether struct dirent has a member named d_ino.
+dnl
+
+AC_DEFUN(jm_STRUCT_DIRENT_D_INO,
+ [AC_REQUIRE([AC_HEADER_DIRENT])dnl
+ AC_CACHE_CHECK([for d_ino member in directory struct],
+ jm_cv_struct_dirent_d_ino,
+ [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_ino = 0;],
+
+ jm_cv_struct_dirent_d_ino=yes,
+ jm_cv_struct_dirent_d_ino=no)
+ ]
+ )
+ if test $jm_cv_struct_dirent_d_ino = yes; then
+ AC_DEFINE(D_INO_IN_DIRENT)
+ fi
+ ]
+)