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This adds a new file m4/xattr.m4 from Gnulib, for NFS v4 attribute copying. Also, do these changes by hand: * configure.ac: Mention $LIB_XATTR" in ACL summary. * src/Makefile.in (QCOPY_ACL_LIB): New macro. (LIBES): Use it.
43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
# xattr.m4 - check for Extended Attributes (Linux)
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# serial 5
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# Copyright (C) 2003-2023 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_XATTR],
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[
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AC_ARG_ENABLE([xattr],
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AS_HELP_STRING([--disable-xattr],
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[do not support extended attributes]),
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[use_xattr=$enableval], [use_xattr=yes])
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LIB_XATTR=
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AC_SUBST([LIB_XATTR])
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if test "$use_xattr" = yes; then
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AC_CHECK_HEADERS([attr/error_context.h attr/libattr.h])
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use_xattr=no
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if test "$ac_cv_header_attr_libattr_h" = yes \
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&& test "$ac_cv_header_attr_error_context_h" = yes; then
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xattr_saved_LIBS=$LIBS
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AC_SEARCH_LIBS([attr_copy_file], [attr],
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[test "$ac_cv_search_attr_copy_file" = "none required" ||
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LIB_XATTR="$ac_cv_search_attr_copy_file"])
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AC_CHECK_FUNCS([attr_copy_file])
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LIBS=$xattr_saved_LIBS
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if test "$ac_cv_func_attr_copy_file" = yes; then
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use_xattr=yes
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fi
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fi
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if test $use_xattr = no; then
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AC_MSG_WARN([libattr development library was not found or not usable.])
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AC_MSG_WARN([AC_PACKAGE_NAME will be built without xattr support.])
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fi
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fi
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if test "$use_xattr" = yes; then
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AC_DEFINE([USE_XATTR], [1],
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[Define to 1 to use the Linux extended attributes library.])
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fi
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])
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