diff --color -Naru a/sdk/demo/demo.mk b/sdk/demo/demo.mk
--- a/sdk/demo/demo.mk	2021-08-22 17:20:17.232777697 +0200
+++ b/sdk/demo/demo.mk	2021-08-22 17:24:49.800783794 +0200
@@ -43,10 +43,15 @@
 CC=/opt/SunProd/SUNWspro6.1/bin/CC
 cc=/opt/SunProd/SUNWspro6.1/bin/cc
 
-ICINCHOME=../
-ICLIBHOME=../../
+ifeq ($(BUILD32),T)
+LIBDIR=lib32
+else
+LIBDIR=lib
+endif
+ICINCHOME=$(ORACLE_HOME)/include
+ICLIBHOME=$(ORACLE_HOME)/$(LIBDIR)
 ICLIBPATH=-L$(ICLIBHOME)
-CCINCLUDES=-I$(ICINCHOME)include
+CCINCLUDES=-I$(ICINCHOME)
 
 THREADLIBS=-lthread
 CCLIB=$(ICLIBPATH) -locci -lclntsh $(THREADLIBS)