diff options
Diffstat (limited to 'm4/fchdir.m4')
| -rw-r--r-- | m4/fchdir.m4 | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/m4/fchdir.m4 b/m4/fchdir.m4 index c05e925..58c933c 100644 --- a/m4/fchdir.m4 +++ b/m4/fchdir.m4 @@ -1,5 +1,5 @@ -# fchdir.m4 serial 13 -dnl Copyright (C) 2006-2010 Free Software Foundation, Inc. +# fchdir.m4 serial 3 +dnl Copyright (C) 2006-2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,40 +7,21 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_FCHDIR], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) - AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) AC_CHECK_FUNCS_ONCE([fchdir]) if test $ac_cv_func_fchdir = no; then REPLACE_FCHDIR=1 AC_LIBOBJ([fchdir]) gl_PREREQ_FCHDIR - AC_DEFINE([REPLACE_FCHDIR], [1], - [Define to 1 if gnulib's fchdir() replacement is used.]) - dnl We must also replace anything that can manipulate a directory fd, - dnl to keep our bookkeeping up-to-date. We don't have to replace - dnl fstatat, since no platform has fstatat but lacks fchdir. - REPLACE_OPENDIR=1 - REPLACE_CLOSEDIR=1 - REPLACE_DUP=1 - gl_REPLACE_OPEN - gl_REPLACE_CLOSE - gl_REPLACE_DUP2 - dnl dup3 is already unconditionally replaced - gl_REPLACE_FCNTL - gl_REPLACE_DIRENT_H - AC_CACHE_CHECK([whether open can visit directories], - [gl_cv_func_open_directory_works], - [AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h> -]], [return open(".", O_RDONLY) < 0;])], - [gl_cv_func_open_directory_works=yes], - [gl_cv_func_open_directory_works=no], - [gl_cv_func_open_directory_works="guessing no"])]) - if test "$gl_cv_func_open_directory_works" != yes; then - AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should -work around the inability to open a directory.]) - REPLACE_FSTAT=1 - fi + AC_DEFINE([FCHDIR_REPLACEMENT], 1, + [Define if gnulib's fchdir() replacement is used.]) + gl_ABSOLUTE_HEADER([dirent.h]) + ABSOLUTE_DIRENT_H=\"$gl_cv_absolute_dirent_h\" + DIRENT_H='dirent.h' + else + DIRENT_H= fi + AC_SUBST([ABSOLUTE_DIRENT_H]) + AC_SUBST([DIRENT_H]) ]) # Prerequisites of lib/fchdir.c. |