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dnl ############################################
dnl use flistxattr as the key function for having
dnl sufficient xattr support for posix xattr backend
AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h)
AC_SEARCH_LIBS_EXT(flistxattr, [attr], XATTR_LIBS)
AC_CHECK_FUNC_EXT(flistxattr, $XATTR_LIBS)
SMB_EXT_LIB(XATTR,[${XATTR_LIBS}],[${XATTR_CFLAGS}],[${XATTR_CPPFLAGS}],[${XATTR_LDFLAGS}])
if test x"$ac_cv_func_ext_flistxattr" = x"yes"; then
AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt,
[old_LIBS=$LIBS
LIBS="$LIBS $XATTRLIBS"
AC_TRY_COMPILE([
#include <sys/types.h>
#if HAVE_ATTR_XATTR_H
#include <attr/xattr.h>
#elif HAVE_SYS_XATTR_H
#include <sys/xattr.h>
#endif
#ifndef NULL
#define NULL ((void *)0)
#endif
],[
getxattr(NULL, NULL, NULL, 0, 0, 0);
],smb_attr_cv_xattr_add_opt=yes,smb_attr_cv_xattr_add_opt=no)
LIBS=$old_LIBS])
if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
AC_DEFINE(XATTR_ADDITIONAL_OPTIONS, 1, [xattr functions have additional options])
fi
AC_DEFINE(HAVE_XATTR_SUPPORT,1,[Whether we have xattr support])
SMB_ENABLE(XATTR,YES)
fi
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