diff --git a/Makefile.in b/Makefile.in
index 0aa9401..e745739 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -22,7 +22,7 @@ PROGRAMS=\
 	bin/pdata_tools
 
 .PHONY: all
-all: $(PROGRAMS)
+all: $(PROGRAMS) lib/libft.so
 
 SOURCE=\
 	base/output_file_requirements.cc \
@@ -231,7 +231,7 @@ clean:
 	find . -name \*.o -delete
 	find . -name \*.gmo -delete
 	find . -name \*.d -delete
-	$(RM) $(TEST_PROGRAMS) $(PROGRAMS) $(GMOCK_OBJECTS) lib/*.a
+	$(RM) $(TEST_PROGRAMS) $(PROGRAMS) $(GMOCK_OBJECTS) lib/*.a lib/*.so
 
 distclean: clean
 	$(RM) config.cache config.log config.status configure.h version.h Makefile unit-tests/Makefile
@@ -319,12 +319,22 @@ include contrib/Makefile
 ifeq ("@TESTING@", "yes")
 include unit-tests/Makefile
 
-.PHONEY: features
+LIBFT_SOURCE=\
+	ft-lib/bcache.c \
+	ft-lib/crc32c.c \
+	ft-lib/dm-ioctl.c
 
-features: pdata_tools
-	cucumber --no-color --format progress
+LIBFT_OBJECTS=$(subst .c,.o,$(LIBFT_SOURCE))
 
-test: features unit-test
+lib/libft.so: $(LIBFT_OBJECTS)
+	gcc -shared -o $@ $+ -laio
+
+.PHONEY: functional-test unit-test
+
+functional-test: bin/pdata_tools lib/libft.so
+	cd functional-tests && ./run-tests run
+
+test: functional-test unit-test
 endif
 
 -include $(DEPEND_FILES)
diff --git a/functional-tests/bcache/bcache.c b/ft-lib/bcache.c
similarity index 100%
rename from functional-tests/bcache/bcache.c
rename to ft-lib/bcache.c
diff --git a/functional-tests/bcache/bcache.h b/ft-lib/bcache.h
similarity index 100%
rename from functional-tests/bcache/bcache.h
rename to ft-lib/bcache.h
diff --git a/functional-tests/crc32c/crc32c.c b/ft-lib/crc32c.c
similarity index 100%
rename from functional-tests/crc32c/crc32c.c
rename to ft-lib/crc32c.c
diff --git a/functional-tests/device-mapper/dm-ioctl.c b/ft-lib/dm-ioctl.c
similarity index 100%
rename from functional-tests/device-mapper/dm-ioctl.c
rename to ft-lib/dm-ioctl.c
diff --git a/functional-tests/bcache/list.h b/ft-lib/list.h
similarity index 100%
rename from functional-tests/bcache/list.h
rename to ft-lib/list.h
diff --git a/functional-tests/bcache/block-manager.scm b/functional-tests/bcache/block-manager.scm
index 7df31cf..2f59d51 100644
--- a/functional-tests/bcache/block-manager.scm
+++ b/functional-tests/bcache/block-manager.scm
@@ -26,7 +26,7 @@
           (srfi s8 receive)
           (utils))
 
-  (define __ (load-shared-object "./bcache/bcache.so"))
+  (define __ (load-shared-object "../lib/libft.so"))
 
   (define bcache-simple
     (foreign-procedure "bcache_simple" (string unsigned) ptr))
diff --git a/functional-tests/crc32c/checksum.scm b/functional-tests/crc32c/checksum.scm
index dfd4a15..2f64f74 100644
--- a/functional-tests/crc32c/checksum.scm
+++ b/functional-tests/crc32c/checksum.scm
@@ -5,7 +5,7 @@
 
   (import (chezscheme))
 
-  (define __ (load-shared-object "./crc32c/crc32c.so"))
+  (define __ (load-shared-object "../lib/libft.so"))
 
   (define crc32c
           (foreign-procedure "crc32c" (unsigned-32 (* unsigned-8) unsigned) unsigned-32)))
diff --git a/functional-tests/device-mapper/ioctl.scm b/functional-tests/device-mapper/ioctl.scm
index 8093569..24990ac 100644
--- a/functional-tests/device-mapper/ioctl.scm
+++ b/functional-tests/device-mapper/ioctl.scm
@@ -16,7 +16,7 @@
           (srfi s8 receive)
           (utils))
 
-  (define __ (load-shared-object "./device-mapper/dm-ioctl.so"))
+  (define __ (load-shared-object "../lib/libft.so"))
 
   (define (fail msg)
     (raise