configure: fix detection for xattr.h on modern distributions
Modern distributions place xattr.h in /usr/include/sys, and fold
libattr.so into libc. They also don't have an ENOATTR.
Make configure detect this, and add a qemu-xattr.h file that
directs the #include to the right place.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qemu-xattr.h b/qemu-xattr.h
new file mode 100644
index 0000000..f910d96
--- /dev/null
+++ b/qemu-xattr.h
@@ -0,0 +1,30 @@
+/*
+ * Host xattr.h abstraction
+ *
+ * Copyright 2011 Red Hat Inc. and/or its affiliates
+ *
+ * Authors:
+ * Avi Kivity <avi@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2, or any
+ * later version. See the COPYING file in the top-level directory.
+ *
+ */
+#ifndef QEMU_XATTR_H
+#define QEMU_XATTR_H
+
+/*
+ * Modern distributions (e.g. Fedora 15, have no libattr.so, place attr.h
+ * in /usr/include/sys, and don't have ENOATTR.
+ */
+
+#include "config-host.h"
+
+#ifdef CONFIG_LIBATTR
+# include <attr/xattr.h>
+#else
+# define ENOATTR ENODATA
+# include <sys/xattr.h>
+#endif
+
+#endif