Index: config.h.in
===================================================================
--- config.h.in	(revision 29150)
+++ config.h.in	(revision 29151)
@@ -202,13 +202,30 @@
 
 /****************************************************************************/
 /* Paths */
+@]
 
+switch sys/class
+	case {win32}
+		print [@
+#define PCB_PREFIX pcb_w32_root
+#define PCBSHAREDIR pcb_w32_sharedir
+#define PCBLIBDIR pcb_w32_libdir
+#define BINDIR pcb_w32_bindir
+#define PCBCONFDIR @/local/confdir_final@
+@]
+		end;
+	default
+		print [@
 #define PCB_PREFIX "@/local/prefix@"
 #define PCBSHAREDIR PCB_PREFIX "/share/pcb-rnd"
 #define PCBLIBDIR PCB_PREFIX "/lib/pcb-rnd"
+#define BINDIR PCB_PREFIX "/bin"
 #define PCBCONFDIR @/local/confdir_final@
+@]
+		end;
+end;
 
-#define BINDIR PCB_PREFIX "/bin"
+print [@
 
 /* Relative path from bindir to exec_prefix */
 #define BINDIR_TO_EXECPREFIX ".."