Mercurial > gnulib
view m4/d-ino.m4 @ 40151:db994b489ff2
relocatable-prog: Use Linux code on Android.
* lib/progreloc.c: Treat Android like Linux.
author | Bruno Haible <bruno@clisp.org> |
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date | Sun, 27 Jan 2019 11:37:46 +0100 |
parents | b06060465f09 |
children |
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# serial 18 dnl From Jim Meyering. dnl dnl Check whether struct dirent has a member named d_ino. dnl # Copyright (C) 1997, 1999-2001, 2003-2004, 2006-2007, 2009-2019 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_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 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); if (! e) { closedir (dp); return 2; } if (lstat (e->d_name, &st) != 0) { closedir (dp); return 3; } if (e->d_ino != st.st_ino) { closedir (dp); return 4; } closedir (dp); return 0; ]])], [gl_cv_struct_dirent_d_ino=yes], [gl_cv_struct_dirent_d_ino=no], [case "$host_os" in # Guess yes on glibc systems with Linux kernel. linux*-gnu*) gl_cv_struct_dirent_d_ino="guessing yes" ;; # Guess no on native Windows. mingw*) gl_cv_struct_dirent_d_ino="guessing no" ;; # If we don't know, assume the worst. *) gl_cv_struct_dirent_d_ino="guessing no" ;; esac ])]) case "$gl_cv_struct_dirent_d_ino" in *yes) AC_DEFINE([D_INO_IN_DIRENT], [1], [Define if struct dirent has a member d_ino that actually works.]) ;; esac ] )