--- freexl-2.0.0.orig/nmake.opt	2023-09-05 09:51:26.800607880 -0500
+++ freexl-2.0.0/nmake.opt	2023-09-05 09:53:50.439055227 -0500
@@ -1,5 +1,5 @@
 # Directory tree where FreeXL will be installed.
-INSTDIR=C:\OSGeo4W
+INSTDIR=$(LIBRARY_PREFIX)
 
 # Uncomment the first for an optimized build, or the second for debug.
 OPTFLAGS=	/nologo /Ox /fp:precise /W3 /MD /D_CRT_SECURE_NO_WARNINGS \