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Import upstream version 1.27
[debian/tar]
/
m4
/
getcwd-path-max.m4
diff --git
a/m4/getcwd-path-max.m4
b/m4/getcwd-path-max.m4
index 2ab264501c425c0a85b65df3688433660e13a025..0b03b66aba611a60086742cbb5bc99c4cbf4c574 100644
(file)
--- a/
m4/getcwd-path-max.m4
+++ b/
m4/getcwd-path-max.m4
@@
-1,12
+1,12
@@
-# serial 1
5
+# serial 1
9
# Check for several getcwd bugs with long file names.
# If so, arrange to compile the wrapper function.
# This is necessary for at least GNU libc on linux-2.4.19 and 2.4.20.
# I've heard that this is due to a Linux kernel bug, and that it has
# Check for several getcwd bugs with long file names.
# If so, arrange to compile the wrapper function.
# This is necessary for at least GNU libc on linux-2.4.19 and 2.4.20.
# I've heard that this is due to a Linux kernel bug, and that it has
-# been fixed between 2.4.21-pre3 and 2.4.21-pre4.
*/
+# been fixed between 2.4.21-pre3 and 2.4.21-pre4.
-# Copyright (C) 2003-2007, 2009-201
1
Free Software Foundation, Inc.
+# Copyright (C) 2003-2007, 2009-201
3
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.
# 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.
@@
-16,23
+16,33
@@
AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
[
AC_CHECK_DECLS_ONCE([getcwd])
AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
[
AC_CHECK_DECLS_ONCE([getcwd])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
AC_CACHE_CHECK([whether getcwd handles long file names properly],
gl_cv_func_getcwd_path_max,
[# Arrange for deletion of the temporary directory this test creates.
ac_clean_files="$ac_clean_files confdir3"
AC_CACHE_CHECK([whether getcwd handles long file names properly],
gl_cv_func_getcwd_path_max,
[# Arrange for deletion of the temporary directory this test creates.
ac_clean_files="$ac_clean_files confdir3"
+ dnl Please keep this in sync with tests/test-getcwd.c.
AC_RUN_IFELSE(
[AC_LANG_SOURCE(
[[
#include <errno.h>
#include <stdlib.h>
AC_RUN_IFELSE(
[AC_LANG_SOURCE(
[[
#include <errno.h>
#include <stdlib.h>
-#include <unistd.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#else
+# include <direct.h>
+#endif
#include <string.h>
#include <limits.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <string.h>
#include <limits.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
+]gl_PATHMAX_SNIPPET[
+
#ifndef AT_FDCWD
# define AT_FDCWD 0
#endif
#ifndef AT_FDCWD
# define AT_FDCWD 0
#endif
@@
-42,6
+52,9
@@
AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
# define is_ENAMETOOLONG(x) 0
#endif
# define is_ENAMETOOLONG(x) 0
#endif
+/* Use the getcwd function, not any macro. */
+#undef getcwd
+
/* Don't get link errors because mkdir is redefined to rpl_mkdir. */
#undef mkdir
/* Don't get link errors because mkdir is redefined to rpl_mkdir. */
#undef mkdir
@@
-115,7
+128,12
@@
main ()
fail = 11;
break;
}
fail = 11;
break;
}
- if (c || ! (errno == ERANGE || is_ENAMETOOLONG (errno)))
+ if (c)
+ {
+ fail = 31;
+ break;
+ }
+ if (! (errno == ERANGE || is_ENAMETOOLONG (errno)))
{
fail = 21;
break;
{
fail = 21;
break;
@@
-175,14
+193,12
@@
main ()
[gl_cv_func_getcwd_path_max=yes],
[case $? in
10|11|12) gl_cv_func_getcwd_path_max='no, but it is partly working';;
[gl_cv_func_getcwd_path_max=yes],
[case $? in
10|11|12) gl_cv_func_getcwd_path_max='no, but it is partly working';;
+ 31) gl_cv_func_getcwd_path_max='no, it has the AIX bug';;
*) gl_cv_func_getcwd_path_max=no;;
esac],
*) gl_cv_func_getcwd_path_max=no;;
esac],
- [gl_cv_func_getcwd_path_max=no])
+ [case "$host_os" in
+ aix*) gl_cv_func_getcwd_path_max='no, it has the AIX bug';;
+ *) gl_cv_func_getcwd_path_max=no;;
+ esac])
])
])
- case $gl_cv_func_getcwd_path_max in
- no,*)
- AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], [1],
- [Define to 1 if getcwd works, except it sometimes fails when it shouldn't,
- setting errno to ERANGE, ENAMETOOLONG, or ENOENT.]);;
- esac
])
])