Ignore build files.
diff --git a/builds/unix/.cvsignore b/builds/unix/.cvsignore
new file mode 100644
index 0000000..e76c25d
--- /dev/null
+++ b/builds/unix/.cvsignore
@@ -0,0 +1,7 @@
+unix-def.mk
+unix-cc.mk
+config.status
+config.cache
+config.log
+libtool
+ftconfig.h