diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..38c39f2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+GNUmakerules
+GNUmakevars
+*.o
diff --git a/charhist/.gitignore b/charhist/.gitignore
new file mode 100644
index 0000000..493f8be
--- /dev/null
+++ b/charhist/.gitignore
@@ -0,0 +1 @@
+charhist
diff --git a/ieeefloat/.gitignore b/ieeefloat/.gitignore
new file mode 100644
index 0000000..d94df50
--- /dev/null
+++ b/ieeefloat/.gitignore
@@ -0,0 +1 @@
+ieeefloat
diff --git a/time_t/.gitignore b/time_t/.gitignore
new file mode 100644
index 0000000..9499eab
--- /dev/null
+++ b/time_t/.gitignore
@@ -0,0 +1 @@
+time_t