diff --git a/.cvsignore b/.cvsignore
new file mode 100644
index 0000000..bc3d119
--- /dev/null
+++ b/.cvsignore
@@ -0,0 +1,9 @@
+Makefile.in
+Makefile
+acinclude.m4
+aclocal.m4
+configure
+config.h*
+stamp-h*
+valgrind
+valgrind.spec
diff --git a/demangle/.cvsignore b/demangle/.cvsignore
new file mode 100644
index 0000000..3dda729
--- /dev/null
+++ b/demangle/.cvsignore
@@ -0,0 +1,2 @@
+Makefile.in
+Makefile
diff --git a/docs/.cvsignore b/docs/.cvsignore
new file mode 100644
index 0000000..282522d
--- /dev/null
+++ b/docs/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/tests/.cvsignore b/tests/.cvsignore
new file mode 100644
index 0000000..3dda729
--- /dev/null
+++ b/tests/.cvsignore
@@ -0,0 +1,2 @@
+Makefile.in
+Makefile