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-rw-r--r--gnulib-m4/fchdir.m477
1 files changed, 0 insertions, 77 deletions
diff --git a/gnulib-m4/fchdir.m4 b/gnulib-m4/fchdir.m4
deleted file mode 100644
index 7eb12c2e..00000000
--- a/gnulib-m4/fchdir.m4
+++ /dev/null
@@ -1,77 +0,0 @@
-# fchdir.m4
-# serial 32
-dnl Copyright (C) 2006-2024 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.
-
-AC_DEFUN([gl_FUNC_FCHDIR],
-[
- AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
- AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-
- AC_CHECK_DECLS_ONCE([fchdir])
- if test $ac_cv_have_decl_fchdir = no; then
- HAVE_DECL_FCHDIR=0
- fi
-
- AC_REQUIRE([gl_TEST_FCHDIR])
- if test $HAVE_FCHDIR = 1; then
- AC_REQUIRE([gl_DIRENT_DIR])
- if test $DIR_HAS_FD_MEMBER = 0; then
- dnl fchdir() should be replaced if dirfd() does not work.
- REPLACE_FCHDIR=1
- fi
- fi
-
- if test $HAVE_FCHDIR = 0 || test $REPLACE_FCHDIR = 1; then
- AC_DEFINE([REPLACE_FCHDIR], [1],
- [Define to 1 if gnulib's fchdir() replacement is used.])
- dnl We must also replace anything that can manipulate a directory fd,
- dnl to keep our bookkeeping up-to-date. We don't have to replace
- dnl fstatat, since no platform has fstatat but lacks fchdir.
- AC_CACHE_CHECK([whether open can visit directories],
- [gl_cv_func_open_directory_works],
- [AC_RUN_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <fcntl.h>
- ]GL_MDA_DEFINES],
- [[return open(".", O_RDONLY) < 0;]])],
- [gl_cv_func_open_directory_works=yes],
- [gl_cv_func_open_directory_works=no],
- [case "$host_os" in
- # Guess yes on Linux systems.
- linux-* | linux) gl_cv_func_open_directory_works="guessing yes" ;;
- # Guess yes on systems that emulate the Linux system calls.
- midipix*) gl_cv_func_open_directory_works="guessing yes" ;;
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_open_directory_works="guessing yes" ;;
- # Guess no on native Windows.
- mingw* | windows*) gl_cv_func_open_directory_works="guessing no" ;;
- # If we don't know, obey --enable-cross-guesses.
- *) gl_cv_func_open_directory_works="$gl_cross_guess_normal" ;;
- esac
- ])])
- case "$gl_cv_func_open_directory_works" in
- *yes) ;;
- *)
- AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should
-work around the inability to open a directory.])
- ;;
- esac
- fi
-])
-
-# Determine whether to use the overrides in lib/fchdir.c.
-AC_DEFUN([gl_TEST_FCHDIR],
-[
- AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
- AC_CHECK_FUNCS_ONCE([fchdir])
- if test $ac_cv_func_fchdir = no; then
- HAVE_FCHDIR=0
- fi
-])
-
-# Prerequisites of lib/fchdir.c.
-AC_DEFUN([gl_PREREQ_FCHDIR], [:])