https://bugs.gentoo.org/887255
https://github.com/jnovy/pxz/issues/34
https://github.com/jnovy/pxz/pull/40

From 20014a968d2330ac90f48fc2091e15a44cb1e759 Mon Sep 17 00:00:00 2001
From: Tobias Faller <fallert@tf.uni-freiburg.de>
Date: Tue, 20 Dec 2022 22:41:59 +0100
Subject: [PATCH] Updated default path for xz binary

--- a/pxz.c
+++ b/pxz.c
@@ -43,7 +43,7 @@
 #endif
 
 #ifndef XZ_BINARY
-#define XZ_BINARY "xz"
+#define XZ_BINARY "/usr/bin/xz"
 #endif
 
 #define BUFFSIZE 0x10000