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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-05-16 09:22:21 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-05-16 09:22:21 +0000
commitd4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94 (patch)
tree72231a38ed1cdd48ac6e02acb8b3917acb9dbcf4 /acinclude.m4
downloadtar-tarball-d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94.tar.gz
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m462
1 files changed, 62 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
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--- /dev/null
+++ b/acinclude.m4
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+dnl Special Autoconf macros for GNU tar -*- autoconf -*-
+
+dnl Copyright 2009, 2013-2014, 2016 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GNU tar.
+dnl
+dnl GNU tar is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl GNU tar is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+AC_DEFUN([TAR_COMPR_PROGRAM],[
+ m4_pushdef([tar_compr_define],translit($1,[a-z+-],[A-ZX_])[_PROGRAM])
+ m4_pushdef([tar_compr_var],[tar_cv_compressor_]translit($1,[+-],[x_]))
+ AC_ARG_WITH($1,
+ AC_HELP_STRING([--with-]$1[=PROG],
+ [use PROG as ]$1[ compressor program]),
+ [tar_compr_var=${withval}],
+ [tar_compr_var=m4_if($2,,$1,$2)])
+ AC_DEFINE_UNQUOTED(tar_compr_define, "$tar_compr_var",
+ [Define to the program name of ]$1[ compressor program])])
+
+# Provide <attr/xattr.h>, if necessary
+
+AC_DEFUN([TAR_HEADERS_ATTR_XATTR_H],
+[
+ AC_ARG_WITH([xattrs],
+ AS_HELP_STRING([--without-xattrs], [don't use linux extended attributes]),
+ [], [with_xattrs=maybe]
+ )
+
+ # First check for <sys/xattr.h>
+ AC_CHECK_HEADERS([sys/xattr.h])
+ AM_CONDITIONAL([TAR_COND_XATTR_H],[test "$ac_cv_header_sys_xattr_h" = yes])
+ if test "$ac_cv_header_sys_xattr_h" != yes; then
+ AC_CHECK_HEADERS([attr/xattr.h])
+ AM_CONDITIONAL([TAR_COND_XATTR_H],[test "$ac_cv_header_attr_xattr_h" = yes])
+ fi
+
+ if test "$with_xattrs" != no; then
+ for i in getxattr fgetxattr lgetxattr \
+ setxattr fsetxattr lsetxattr \
+ listxattr flistxattr llistxattr
+ do
+ AC_SEARCH_LIBS($i, attr)
+ eval found=\$ac_cv_search_$i
+ test "$found" = "no" && break
+ done
+
+ if test "$found" != no; then
+ AC_DEFINE([HAVE_XATTRS],,[Define when we have working linux xattrs.])
+ fi
+ fi
+])