diff --git a/Makefile b/Makefile
index 628d03e..089023a 100644
--- a/Makefile
+++ b/Makefile
@@ -49,9 +49,15 @@ test-r7rs:
 	mkdir -p ${R7RSTMP}
 	mkdir -p ${R7RSTMP}/libs
 	mkdir -p ${R7RSTMP}/libs/foo
-	echo "(import (scheme base) (foo bar)) (baz)" > ${R7RSTMP}/main.scm
+	mkdir -p ${R7RSTMP}/libs/hello
+	echo "(import (scheme base) (foo bar)) (baz) (hello-word) (over-9000)" > ${R7RSTMP}/main.scm
 	echo "(define baz (lambda () (display \"Test successfull\") (newline)))" > ${R7RSTMP}/libs/foo/bar.scm
-	echo "(define-library (foo bar) (import (scheme base) (scheme write)) (export baz) (include \"bar.scm\"))" > ${R7RSTMP}/libs/foo/bar.sld
+	echo "(define-library (foo bar) (import (scheme base) (scheme write) (hello world)) (export baz) (include \"bar.scm\"))" > ${R7RSTMP}/libs/foo/bar.sld
+	echo "(define hello-world (lambda ()  (+ 1 1)))" > ${R7RSTMP}/libs/hello/world.scm
+	echo "(define-library (hello world) (import (scheme base) (scheme write)) (export hello-world) (include \"world.scm\"))" > ${R7RSTMP}/libs/hello/world.sld
+	mkdir -p ${R7RSTMP}/libs/srfi
+	echo "(define over-9000 (lambda () (+ 1 1)))" > ${R7RSTMP}/libs/srfi/9001.scm
+	echo "(define-library (srfi 9001) (import (scheme base) (scheme write)) (export over-9000) (include \"9001.scm\"))" > ${R7RSTMP}/libs/srfi/9001.sld
 	cd ${R7RSTMP} && COMPILE_R7RS=${SCHEME} compile-r7rs -I ./libs -o main main.scm
 	-cd ${R7RSTMP} && timeout 60 ./main > compile-r7rs-test-result.txt 2>&1
 	@grep "Test successfull" ${R7RSTMP}/compile-r7rs-test-result.txt || (echo "Test failed, output: " && cat ${R7RSTMP}/compile-r7rs-test-result.txt && exit 1)
diff --git a/libs/data.sld b/libs/data.sld
index ab781cd..93e78df 100644
--- a/libs/data.sld
+++ b/libs/data.sld
@@ -105,6 +105,15 @@
                                                ,input-file)))))
         (cyclone
           (type . compiler)
+          #;(library-command . ,(lambda (library-file prepend-directories append-directories r6rs?)
+                                (apply string-append
+                                       `("cyclone"
+                                         " "
+                                         ,(util-getenv "COMPILE_R7RS_CYCLONE")
+                                         " "
+                                         ,@(map (lambda (item) (string-append "-I " item " ")) prepend-directories)
+                                         ,@(map (lambda (item) (string-append "-A " item " ")) append-directories)
+                                         ,library-file))))
           (command . ,(lambda (input-file output-file prepend-directories append-directories library-files r6rs?)
                         (apply string-append
                                `("cyclone"
@@ -138,6 +147,10 @@
           (type . compiler)
           (library-command . ,(lambda (library-file prepend-directories append-directories r6rs?)
                                 (apply string-append `("gsc -obj "
+                                                       ,@(map (lambda (item)
+                                                                (string-append item "/ "))
+                                                              (append prepend-directories
+                                                                      append-directories))
                                                        ,(search-library-file (append append-directories
                                                                                      prepend-directories)
                                                                              library-file)))))