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(