diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9d22eb4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+*.so
diff --git a/data/.gitignore b/data/.gitignore
new file mode 100644
index 0000000..4a357f3
--- /dev/null
+++ b/data/.gitignore
@@ -0,0 +1 @@
+/C99.pc
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000..58a08dc
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1 @@
+/c99