Resolve "Cannot compile: Eigen files not found"

Closes #24 (closed)

src/CMakeLists.txt

@@ -10,9 +10,14 @@ IF(faramotics_FOUND)
     MESSAGE("Faramotics Library FOUND: Tests requiring it will be built.")
 ENDIF(faramotics_FOUND)
 
+FIND_PACKAGE(Eigen3 3.3 REQUIRED)
 FIND_PACKAGE(csm QUIET)
+
 #include directories
-INCLUDE_DIRECTORIES(.)
+INCLUDE_DIRECTORIES(. /usr/local/include)
+IF(Eigen3_FOUND)
+    INCLUDE_DIRECTORIES(${EIGEN3_INCLUDE_DIRS})
+ENDIF(Eigen3_FOUND)
 IF(csm_FOUND)
     INCLUDE_DIRECTORIES(${csm_INCLUDE_DIR})
 ENDIF(csm_FOUND)