diff --git a/pkgs/checksum/crc32c/Makefile b/pkgs/checksum/crc32c/Makefile
new file mode 100644
index 000000000..fb6ac1387
--- /dev/null
+++ b/pkgs/checksum/crc32c/Makefile
@@ -0,0 +1,11 @@
+all: build test
+.PHONY: all
+
+build:
+	@godep go build
+
+test: build
+	@godep go test -race -coverprofile=cover.out
+
+clean:
+	@rm -v cover.out
diff --git a/pkgs/checksum/crc32c/doc.go b/pkgs/checksum/crc32c/doc.go
new file mode 100644
index 000000000..279597f77
--- /dev/null
+++ b/pkgs/checksum/crc32c/doc.go
@@ -0,0 +1,10 @@
+// Package crc32c provides wrapper around Intel's fast CRC32C with PCLMULQDQ instructions.
+// The white papers on CRC32C calculations with PCLMULQDQ instruction can be downloaded from:
+//
+// http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/crc-iscsi-polynomial-crc32-instruction-paper.pdf
+// http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-paper.pdf
+//
+// Example
+//
+// crc32c.Crc32c(value) - value can be any []byte, return value is uint32 value
+package crc32c
diff --git a/pkgs/checksum/sha1/Makefile b/pkgs/checksum/sha1/Makefile
new file mode 100644
index 000000000..fb6ac1387
--- /dev/null
+++ b/pkgs/checksum/sha1/Makefile
@@ -0,0 +1,11 @@
+all: build test
+.PHONY: all
+
+build:
+	@godep go build
+
+test: build
+	@godep go test -race -coverprofile=cover.out
+
+clean:
+	@rm -v cover.out
diff --git a/pkgs/cpu/Makefile b/pkgs/cpu/Makefile
new file mode 100644
index 000000000..fb6ac1387
--- /dev/null
+++ b/pkgs/cpu/Makefile
@@ -0,0 +1,11 @@
+all: build test
+.PHONY: all
+
+build:
+	@godep go build
+
+test: build
+	@godep go test -race -coverprofile=cover.out
+
+clean:
+	@rm -v cover.out
diff --git a/pkgs/cpu/doc.go b/pkgs/cpu/doc.go
new file mode 100644
index 000000000..899c65d23
--- /dev/null
+++ b/pkgs/cpu/doc.go
@@ -0,0 +1,11 @@
+// Package cpu provides wrapper around assembly functions for checking processor
+// instruction capabilities for SSE4.1, AVX, AVX2 support
+//
+// Example
+//
+// ``cpu.HasSSE41()`` returns true for SSE4.1 instruction support, false otherwise
+//
+// ``cpu.HasAVX()`` returns true for AVX instruction support, false otherwise
+//
+// ``cpu.HasAVX2()`` returns true for AVX2 instruction support, false otherwise
+package cpu
diff --git a/pkgs/erasure/doc.go b/pkgs/erasure/doc.go
index f458ce415..4e20398c1 100644
--- a/pkgs/erasure/doc.go
+++ b/pkgs/erasure/doc.go
@@ -32,7 +32,6 @@
 //
 // Example
 //
-//
 // Creating and using an encoder
 //  var bytes []byte
 //  params := erasure.ParseEncoderParams(10, 5, erasure.CAUCHY)
diff --git a/pkgs/storage/appendstorage/Makefile b/pkgs/storage/appendstorage/Makefile
new file mode 100644
index 000000000..fb6ac1387
--- /dev/null
+++ b/pkgs/storage/appendstorage/Makefile
@@ -0,0 +1,11 @@
+all: build test
+.PHONY: all
+
+build:
+	@godep go build
+
+test: build
+	@godep go test -race -coverprofile=cover.out
+
+clean:
+	@rm -v cover.out
diff --git a/pkgs/storage/fsstorage/Makefile b/pkgs/storage/fsstorage/Makefile
new file mode 100644
index 000000000..fb6ac1387
--- /dev/null
+++ b/pkgs/storage/fsstorage/Makefile
@@ -0,0 +1,11 @@
+all: build test
+.PHONY: all
+
+build:
+	@godep go build
+
+test: build
+	@godep go test -race -coverprofile=cover.out
+
+clean:
+	@rm -v cover.out
diff --git a/pkgs/storage/storage.go b/pkgs/storage/storage.go
index 3520e5ee4..564f8f1d4 100644
--- a/pkgs/storage/storage.go
+++ b/pkgs/storage/storage.go
@@ -4,6 +4,7 @@ import "io"
 
 type ObjectStorage interface {
 	List() ([]ObjectDescription, error)
+	// ListBucket(bucketName string) ([]ObjectDescription, error)
 	Get(path string) (io.Reader, error)
 	Put(path string, object io.Reader) error
 }