diff --git a/samples/opengl/cube/.cvsignore b/samples/opengl/cube/.cvsignore
new file mode 100644
index 0000000000..d42c2bd4b2
--- /dev/null
+++ b/samples/opengl/cube/.cvsignore
@@ -0,0 +1,3 @@
+makemac?Data
+PPC?Debug*
+PPC?Release*
diff --git a/samples/opengl/isosurf/.cvsignore b/samples/opengl/isosurf/.cvsignore
new file mode 100644
index 0000000000..d42c2bd4b2
--- /dev/null
+++ b/samples/opengl/isosurf/.cvsignore
@@ -0,0 +1,3 @@
+makemac?Data
+PPC?Debug*
+PPC?Release*
diff --git a/samples/opengl/penguin/.cvsignore b/samples/opengl/penguin/.cvsignore
new file mode 100644
index 0000000000..d42c2bd4b2
--- /dev/null
+++ b/samples/opengl/penguin/.cvsignore
@@ -0,0 +1,3 @@
+makemac?Data
+PPC?Debug*
+PPC?Release*