diff options
Diffstat (limited to 'm4/d-ino.m4')
| -rw-r--r-- | m4/d-ino.m4 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/m4/d-ino.m4 b/m4/d-ino.m4 new file mode 100644 index 0000000..6e6dab3 --- /dev/null +++ b/m4/d-ino.m4 @@ -0,0 +1,41 @@ +#serial 10 + +dnl From Jim Meyering. +dnl +dnl Check whether struct dirent has a member named d_ino. +dnl + +# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2006, 2007 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_INO], + [AC_CACHE_CHECK([for d_ino member in directory struct], + gl_cv_struct_dirent_d_ino, + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/stat.h> + #include <dirent.h> + ]], + [[DIR *dp = opendir ("."); + struct dirent *e; + struct stat st; + if (! dp) + return 1; + e = readdir (dp); + return ! (e + && stat (e->d_name, &st) == 0 + && e->d_ino == st.st_ino);]])], + [gl_cv_struct_dirent_d_ino=yes], + [gl_cv_struct_dirent_d_ino=no], + [gl_cv_struct_dirent_d_ino=no])]) + if test $gl_cv_struct_dirent_d_ino = yes; then + AC_DEFINE(D_INO_IN_DIRENT, 1, + [Define if struct dirent has a member d_ino that actually works.]) + fi + ] +) |