diff --git a/packaging/pkgconfig/openscenegraph-osgAnimation.pc.in b/packaging/pkgconfig/openscenegraph-osgAnimation.pc.in
index 7447edb09..49148a261 100644
--- a/packaging/pkgconfig/openscenegraph-osgAnimation.pc.in
+++ b/packaging/pkgconfig/openscenegraph-osgAnimation.pc.in
@@ -8,7 +8,7 @@ includedir=${prefix}/include
 Name: openscenegraph-osgAnimation
 Description: Skinning and morphing library for Openscenegraph
 Version: @OPENSCENEGRAPH_VERSION@
-Requires: openscenegraph-osg openthreads
+Requires: openscenegraph-osg openscenegraph-osgText openscenegraph-osgGA openscenegraph-osgViewer openthreads
 Conflicts:
 Libs: -L${libdir} -losgAnimation
 Cflags: -I${includedir}
diff --git a/src/osgAnimation/CMakeLists.txt b/src/osgAnimation/CMakeLists.txt
index 4db8c3101..49f7b51ba 100644
--- a/src/osgAnimation/CMakeLists.txt
+++ b/src/osgAnimation/CMakeLists.txt
@@ -69,6 +69,9 @@ ADD_LIBRARY(${LIB_NAME}
 
 LINK_INTERNAL(${LIB_NAME}
     osg
+    osgText
+    osgGA
+    osgViewer
     OpenThreads
 )
 
diff --git a/src/osgAnimation/StatsHandler.cpp b/src/osgAnimation/StatsHandler.cpp
index 8ef2e7b2c..121d75431 100644
--- a/src/osgAnimation/StatsHandler.cpp
+++ b/src/osgAnimation/StatsHandler.cpp
@@ -14,7 +14,7 @@
 #include <sstream>
 #include <iomanip>
 #include <stdio.h>
-#include <cmath>
+#include <math.h>
 
 #include <osg/io_utils>
 #include <osg/NodeVisitor>