--- iup.setup   2012-02-01 13:20:45.000000000 +0000
+++ iup.setup.new       2012-02-01 13:20:28.000000000 +0000
@@ -57,8 +57,10 @@
                         [else
                                '("-liupweb")])))
 
-(compile -s -O2 -d1 "iup.scm" ,@modules ,@native-libraries)
-(compile -c -O2 -d1 "iup.scm" -unit iup)
+(define include-dirs '(-I/usr/include/iup))
+
+(compile -s -O2 -d1 ,@include-dirs "iup.scm" ,@modules ,@native-libraries)
+(compile -c -O2 -d1 ,@include-dirs "iup.scm" -unit iup)
 (compile -s -O2 -d0 "iup.import.scm")
 (compile -s -O2 -d0 "iup-base.import.scm")
 (compile -s -O2 -d0 "iup-controls.import.scm")