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  • Committer: Package Import Robot
  • Author(s): Colin Watson
  • Date: 2012-11-28 03:03:42 UTC
  • mfrom: (8.3.4 sid)
  • Revision ID: package-import@ubuntu.com-20121128030342-21zanj8354gas5gr
Tags: 8.20-3ubuntu1
* Resynchronise with Debian.  Remaining changes:
  - Make 'uname -i -p' return the real processor/hardware, instead of
    unknown.
  - Build-depend on gettext:any instead of on gettext, so that apt-get can
    properly resolve build-dependencies on the tool when cross-building.

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m4/fchdir.m4
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# fchdir.m4 serial 17
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dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 
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# fchdir.m4 serial 21
 
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dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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[
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  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
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  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
 
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  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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  AC_CHECK_DECLS_ONCE([fchdir])
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  if test $ac_cv_have_decl_fchdir = no; then
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    dnl We must also replace anything that can manipulate a directory fd,
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    dnl to keep our bookkeeping up-to-date.  We don't have to replace
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    dnl fstatat, since no platform has fstatat but lacks fchdir.
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    REPLACE_OPENDIR=1
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    REPLACE_CLOSEDIR=1
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    REPLACE_DUP=1
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    AC_CACHE_CHECK([whether open can visit directories],
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      [gl_cv_func_open_directory_works],
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      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
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]], [return open(".", O_RDONLY) < 0;])],
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        [gl_cv_func_open_directory_works=yes],
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        [gl_cv_func_open_directory_works=no],
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        [gl_cv_func_open_directory_works="guessing no"])])
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    if test "$gl_cv_func_open_directory_works" != yes; then
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      AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should
 
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        [case "$host_os" in
 
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                   # Guess yes on glibc systems.
 
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           *-gnu*) gl_cv_func_open_directory_works="guessing yes" ;;
 
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                   # If we don't know, assume the worst.
 
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           *)      gl_cv_func_open_directory_works="guessing no" ;;
 
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         esac
 
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        ])])
 
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    case "$gl_cv_func_open_directory_works" in
 
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      *yes) ;;
 
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      *)
 
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        AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should
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work around the inability to open a directory.])
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      REPLACE_FSTAT=1
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    fi
 
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        ;;
 
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    esac
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  fi
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])
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