* fix a unused variable warning
* if svnversion returns prose such as "exported" then discard that

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2cec2d2..ee3fc99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,10 @@
 #if the svnversion program is absent, this will leave the SVN_REVISION string empty,
 #but won't stop CMake.
 execute_process(COMMAND svnversion -n ${CMAKE_SOURCE_DIR}
-                OUTPUT_VARIABLE EIGEN_SVN_REVISION)
+                OUTPUT_VARIABLE EIGEN_SVNVERSION_OUTPUT)
+
+#we only want EIGEN_SVN_REVISION if it is an actual revision number, not a string like "exported"
+string(REGEX MATCH "^[0-9]+.*" EIGEN_SVN_REVISION "${EIGEN_SVNVERSION_OUTPUT}")
 
 if(EIGEN_SVN_REVISION)
   set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (SVN revision ${EIGEN_SVN_REVISION})")

Eigen/src/Core/MatrixStorage.h

diff --git a/Eigen/src/Core/MatrixStorage.h b/Eigen/src/Core/MatrixStorage.h
index 7d86957..fdf5449 100644
--- a/Eigen/src/Core/MatrixStorage.h
+++ b/Eigen/src/Core/MatrixStorage.h
@@ -130,7 +130,7 @@
     inline void swap(ei_matrix_storage& other) { std::swap(m_data,other.m_data); std::swap(m_cols,other.m_cols); }
     inline int rows(void) const {return _Rows;}
     inline int cols(void) const {return m_cols;}
-    inline void resize(int size, int, int cols)
+    inline void resize(int, int, int cols)
     {
       m_cols = cols;
     }