diff --git a/.gitignore b/.gitignore
index 51f1d410..4013f2fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,8 @@
 bin/*
+lib/*
+build/*
 src/lex.yy.c
 src/lex.yy.h
-src/y.tab.c
-src/y.tab.h
-lib/*
 .dir-locals.el
 GPATH
 GRTAGS
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..fda3f8ae
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(picrin)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY bin)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY lib)
+
+# external libraries
+add_library(xfile SHARED extlib/xfile/xfile.c)
+
+# build picrin
+include_directories(include extlib)
+link_directories(${PROJECT_SOURCE_DIR}/lib)
+include(src/CMakeLists.txt)
+include(tools/CMakeLists.txt)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 00000000..03910910
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,10 @@
+find_package(FLEX REQUIRED)
+execute_process(COMMAND flex scan.l WORKING_DIRECTORY src)
+
+add_library(picrin SHARED
+  src/blob.c src/bool.c src/char.c src/codegen.c src/cont.c src/error.c
+  src/file.c src/gc.c src/init.c src/lex.yy.c src/lib.c src/load.c src/macro.c
+  src/number.c src/pair.c src/port.c src/proc.c src/read.c src/state.c
+  src/string.c src/symbol.c src/system.c src/time.c src/var.c src/vector.c
+  src/vm.c src/write.c)
+target_link_libraries(picrin m xfile)
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
new file mode 100644
index 00000000..97619e93
--- /dev/null
+++ b/tools/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_executable(repl tools/main.c)
+set_target_properties(repl PROPERTIES OUTPUT_NAME picrin)
+target_link_libraries(repl picrin readline)