diff -rauN pcc-1.1.0/cc/cc/cc.c pcc-1.1.0-32bit-deflibdirs-patch/cc/cc/cc.c
--- pcc-1.1.0/cc/cc/cc.c	2014-12-06 10:52:55.000000000 +0100
+++ pcc-1.1.0-32bit-deflibdirs-patch/cc/cc/cc.c	2017-07-02 13:47:38.610284606 +0200
@@ -206,7 +206,7 @@
 #define PCCLIBDIR	NULL
 #endif
 #ifndef DEFLIBDIRS	/* default library search paths */
-#ifdef MULTIARCH_PATH
+#ifndef MULTIARCH_PATH
 #define DEFLIBDIRS	{ "/usr/lib/", 0 }
 #else
 #define DEFLIBDIRS	{ "/usr/lib/", "/usr/lib/" MULTIARCH_PATH "/", 0 }