From e73b981c678287c970583aff3defaf4708633231 Mon Sep 17 00:00:00 2001
From: Tully Foote <tfoote@osrfoundation.org>
Date: Fri, 28 Oct 2016 09:28:20 -0700
Subject: [PATCH] updating pip invocation to avoid
 https://github.com/pypa/pip/issues/3826

---
 doc/ardupilot/readme.md    | 4 +++-
 packaging/build_package.sh | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/ardupilot/readme.md b/doc/ardupilot/readme.md
index 65a24e1..89a3ef4 100644
--- a/doc/ardupilot/readme.md
+++ b/doc/ardupilot/readme.md
@@ -124,8 +124,10 @@ git submodule update --init --recursive
 ~~~
 
 ### Install mavproxy
+
+You will need mavproxy installed from pip on your system.
 ~~~
-sudo pip install --target=/opt/sasc/lib/python/site-packages/ mavproxy --install-option="--install-scripts=/opt/sasc/bin"
+sudo pip install mavproxy
 ~~~
 
 # Run Simulation from binary installation
diff --git a/packaging/build_package.sh b/packaging/build_package.sh
index dfcb1b1..c57595c 100755
--- a/packaging/build_package.sh
+++ b/packaging/build_package.sh
@@ -39,7 +39,7 @@ git clone https://github.com/tfoote/ardupilot.git -b uctf-dev
 echo "Building Ardupilot..."
 cd ardupilot
 export PATH=${PATH}:${WS}/ardupilot/Tools/autotest
-./Tools/scripts/install-prereqs-ubuntu.sh
+# ./Tools/scripts/install-prereqs-ubuntu.sh
 git submodule update --init --recursive
 ./waf configure --prefix=${INSTALL}
 ./waf
@@ -47,7 +47,7 @@ git submodule update --init --recursive
 
 
 echo "Installing mavproxy"
-pip install mavproxy --target=${INSTALL}/lib/python/site-packages/ --install-option="--install-scripts=/opt/sasc/bin"
+pip install mavproxy --system --target=${INSTALL}/lib/python/site-packages/ --install-option="--install-scripts=/opt/sasc/bin"
 
 
 echo "generating control file"