started adding support for logging matrices and used it
diff --git a/aos/common/logging/logging.gyp b/aos/common/logging/logging.gyp
index e230e47..0139784 100644
--- a/aos/common/logging/logging.gyp
+++ b/aos/common/logging/logging.gyp
@@ -24,6 +24,26 @@
       ],
       'export_dependent_settings': [
         '<(AOS)/build/aos.gyp:logging',
+        '<(AOS)/common/common.gyp:die',
+      ],
+    },
+    {
+      'target_name': 'matrix_logging',
+      'type': 'static_library',
+      'sources': [
+        'matrix_logging.cc',
+      ],
+      'dependencies': [
+        '<(AOS)/build/aos.gyp:logging',
+        '<(AOS)/common/common.gyp:die',
+        '<(AOS)/common/common.gyp:queue_types',
+        '<(EXTERNALS):eigen',
+      ],
+      'export_dependent_settings': [
+        '<(AOS)/build/aos.gyp:logging',
+        '<(AOS)/common/common.gyp:die',
+        '<(AOS)/common/common.gyp:queue_types',
+        '<(EXTERNALS):eigen',
       ],
     },
   ],