diff --git a/.gitignore b/.gitignore
index 607e252..8c020ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,8 +37,6 @@ Release
 *.user
 xcuserdata
 *.xcworkspace
-calc
-calc2
-test
-peglint
 temp*
+build/
+Makefile
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..51a5578
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.0)
+include_directories(.)
+add_definitions("-std=c++1y")
+
+add_executable(peglint lint/peglint.cc)
+add_executable(test-main test/test.cc)
+
+add_executable(calc example/calc.cc)
+add_executable(calc2 example/calc2.cc)
+add_executable(calc3 example/calc3.cc)
+