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-rw-r--r--m4/fchdir.m434
1 files changed, 21 insertions, 13 deletions
diff --git a/m4/fchdir.m4 b/m4/fchdir.m4
index b587e0e..fc0ed33 100644
--- a/m4/fchdir.m4
+++ b/m4/fchdir.m4
@@ -1,5 +1,5 @@
-# fchdir.m4 serial 28
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# 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.
@@ -16,7 +16,15 @@ AC_DEFUN([gl_FUNC_FCHDIR],
fi
AC_REQUIRE([gl_TEST_FCHDIR])
- if test $HAVE_FCHDIR = 0; then
+ 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 $REPLACE_FCHDIR = 1; then
AC_DEFINE([REPLACE_FCHDIR], [1],
[Define to 1 if gnulib's fchdir() replacement is used.])
dnl We must also replace anything that can manipulate a directory fd,
@@ -32,16 +40,16 @@ AC_DEFUN([gl_FUNC_FCHDIR],
[gl_cv_func_open_directory_works=yes],
[gl_cv_func_open_directory_works=no],
[case "$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*) gl_cv_func_open_directory_works="guessing no" ;;
- # If we don't know, obey --enable-cross-guesses.
- *) gl_cv_func_open_directory_works="$gl_cross_guess_normal" ;;
+ # Guess yes on Linux systems.
+ linux-* | linux) gl_cv_func_open_directory_works="guessing yes" ;;
+ # Guess yes on systems that emulate the Linux system calls.
+ midipix*) gl_cv_func_open_directory_works="guessing yes" ;;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_open_directory_works="guessing yes" ;;
+ # Guess no on native Windows.
+ mingw* | windows*) gl_cv_func_open_directory_works="guessing no" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_open_directory_works="$gl_cross_guess_normal" ;;
esac
])])
case "$gl_cv_func_open_directory_works" in