diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..6b6239467e7207c5bcd79d007edcc76c689b10e0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+# Visual Studio Code
+.vscode
+
+# build tmp dirs
+build
+output
\ No newline at end of file
diff --git a/build.sh b/build.sh
index bddebd9d963694809f3d22d8ef0dacfb598d8aed..7f937d59712bf624a0dc1b847f425d9987019952 100644
--- a/build.sh
+++ b/build.sh
@@ -50,7 +50,7 @@ function clean()
         fi
     fi
 
-    mkdir -p ${BUILD_DIR}
+    mkdir -p ${BUILD_DIR} ${OUTPUT_DIR}
 }
 
 function cmake_config()