From 3ebb83f01dd4614783753153fb01f9b921dd3773 Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Tue, 12 Feb 2013 13:04:23 -0800
Subject: [PATCH] keep portaudio build contained to build directory

---
 interface/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index efccdd9a70..ce4ca7f1a4 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -41,7 +41,7 @@ ExternalProject_Add(
     PREFIX ${PORTAUDIO_PROJ_DIR}
     BINARY_DIR ${PORTAUDIO_PROJ_DIR}/src/portaudio
     URL ${PORTAUDIO_DIR}/pa_snapshot_020813.tgz
-    CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix "${CMAKE_CURRENT_SOURCE_DIR}/${PORTAUDIO_PROJ_DIR}"
+    CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix "${PROJECT_BINARY_DIR}/${PORTAUDIO_PROJ_DIR}"
     BUILD_COMMAND make
 )