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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:46:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:46:38 +0000
commita06ac93dcf311dac3943cb5d96ad47625d413c2d (patch)
tree6efda5e24896e7920ccac1f97aecc73406525040 /m4/chdir-long.m4
parentInitial commit. (diff)
downloadcoreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.tar.xz
coreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.zip
Adding upstream version 8.30.upstream/8.30upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/chdir-long.m4')
-rw-r--r--m4/chdir-long.m430
1 files changed, 30 insertions, 0 deletions
diff --git a/m4/chdir-long.m4 b/m4/chdir-long.m4
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+++ b/m4/chdir-long.m4
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+#serial 16
+
+# Use Gnulib's robust chdir function.
+# It can handle arbitrarily long directory names, which means
+# that when it is given the name of an existing directory, it
+# never fails with ENAMETOOLONG.
+# Arrange to compile chdir-long.c only on systems that define PATH_MAX.
+
+dnl Copyright (C) 2004-2007, 2009-2018 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.
+
+# Written by Jim Meyering.
+
+AC_DEFUN([gl_FUNC_CHDIR_LONG],
+[
+ AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
+ AC_CACHE_CHECK([whether this system has an arbitrary file name length limit],
+ [gl_cv_have_arbitrary_file_name_length_limit],
+ [AC_EGREP_CPP([have_arbitrary_file_name_length_limit],
+ gl_PATHMAX_SNIPPET[
+#ifdef PATH_MAX
+have_arbitrary_file_name_length_limit
+#endif],
+ [gl_cv_have_arbitrary_file_name_length_limit=yes],
+ [gl_cv_have_arbitrary_file_name_length_limit=no])])
+])
+
+AC_DEFUN([gl_PREREQ_CHDIR_LONG], [:])