diff --git a/.gitignore b/.gitignore
index 5f48c3a..f3cabcf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /build_config.rb.lock
+/config.mk
 /image.iso
 
 /dest/*
diff --git a/Makefile b/Makefile
index d79e7f4..110756e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
+include config.mk
+
 ############
 # Programs #
 ############
 
-CCPREFIX = /home/kotovalexarian/repos/global/tailix/cross/root/bin/i386-elf-
-
 # Toolchain
 AR     = $(CCPREFIX)ar
 AS     = $(CCPREFIX)as
diff --git a/README.md b/README.md
index 702eb9c..ed722de 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,12 @@ The list may be incomplete.
 * `grub-common`
 * `qemu-system-x86`
 * `rake`
+
+
+
+Build
+-----
+
+Create file `config.mk`, use `config.example.mk` as a reference.
+
+Then just do `make`.
diff --git a/config.example.mk b/config.example.mk
new file mode 100644
index 0000000..8e33c79
--- /dev/null
+++ b/config.example.mk
@@ -0,0 +1 @@
+CCPREFIX = /home/kotovalexarian/repos/global/tailix/cross/root/bin/i386-elf-