added building for amd64 in addition to for the BBB
diff --git a/frc971/control_loops/drivetrain/drivetrain.cc b/frc971/control_loops/drivetrain/drivetrain.cc
index 69d9c21..61217fa 100644
--- a/frc971/control_loops/drivetrain/drivetrain.cc
+++ b/frc971/control_loops/drivetrain/drivetrain.cc
@@ -58,7 +58,7 @@
   } else {
     Eigen::Matrix<double, 2, Eigen::Dynamic> region_vertices =
         region.Vertices();
-    double min_distance;
+    double min_distance = INFINITY;
     int closest_i = 0;
     for (int i = 0; i < region_vertices.outerSize(); i++) {
       const double length = ::std::abs(
diff --git a/frc971/prime/build.sh b/frc971/prime/build.sh
index 81ae16a..81d7e28 100755
--- a/frc971/prime/build.sh
+++ b/frc971/prime/build.sh
@@ -3,3 +3,4 @@
 cd $(dirname $0)
 
 ../../aos/build/build.sh linux prime.gyp no prime "$@"
+../../aos/build/build.sh linux-amd64 prime.gyp no prime-amd64 "$@"