diff --git a/.gitignore b/.gitignore
index 2b2ef11..48a9424 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 CMakeLists.txt.user*
 /release
 /build
+/*_build_*
diff --git a/pip b/pip
index dd56b1c..ccae1a7 160000
--- a/pip
+++ b/pip
@@ -1 +1 @@
-Subproject commit dd56b1c142c87488c49107f4eb3586ba735a180e
+Subproject commit ccae1a73111f54450c937a1eb2e3cdaba4880241