diff --git a/direct/src/motiontrail/Sources.pp b/direct/src/motiontrail/Sources.pp
index e69de29bb2..278d337752 100644
--- a/direct/src/motiontrail/Sources.pp
+++ b/direct/src/motiontrail/Sources.pp
@@ -0,0 +1,31 @@
+#begin lib_target
+  #define TARGET motiontrail
+  #define LOCAL_LIBS \
+    directbase
+
+  #define OTHER_LIBS \
+    linmath:c \
+    mathutil:c \
+    gobj:c \
+    panda:m \
+    express:c \
+    pandaexpress:m \
+    interrogatedb:c \
+    dconfig:c \
+    dtoolconfig:m \
+    dtoolutil:c \
+    dtoolbase:c \
+    dtool:m \
+    pandabase:c \
+    prc:c \
+    gsgbase:c
+
+  
+  #define SOURCES \
+    cMotionTrail.cxx cMotionTrail.h
+
+  #define INSTALL_HEADERS \
+    cMotionTrail.h
+
+  #define IGATESCAN all
+#end lib_target