Install eigenpyConfig.cmake for catkin backwards compatibility to fix MoveIt

- MoveIt cannot make a new release right now with our bugfix due to people constraints
- We cannot roll back due to project constraints
- This adds a cmake config that internally uses the pkg-config. This will be replaced in the future with one with proper CMake targets

CMakeLists.txt

@@ -8,7 +8,6 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
 SET(PROJECT_NAME eigenpy)
 SET(PROJECT_DESCRIPTION "Bindings between Numpy and Eigen using Boost.Python")
 SET(PROJECT_URL "http://github.com/stack-of-tasks/eigenpy")
-SET(PROJECT_USE_CMAKE_EXPORT TRUE)
 
 # Check if the submodule cmake have been initialized
 IF(NOT EXISTS "${CMAKE_SOURCE_DIR}/cmake/base.cmake")
@@ -159,6 +158,12 @@ SET(PUBLIC_HEADER ${${PROJECT_NAME}_HEADERS})
 INSTALL(FILES
   ${CMAKE_CURRENT_BINARY_DIR}/eigenpy/${PROJECT_NAME}_export.h
   DESTINATION include/eigenpy)
+
+# This is a temporary work-around to fix MoveIt until jrl-cmakemodules
+# can correctly create non-target CMake configs
+install(FILES eigenpyConfig.cmake DESTINATION share/eigenpy/cmake)
+install(FILES package.xml DESTINATION share/eigenpy)
+
 # ----------------------------------------------------
 # --- PYTHON LIBRARY ---------------------------------
 # ----------------------------------------------------
@@ -173,5 +178,3 @@ PKG_CONFIG_APPEND_LIBS(${PROJECT_NAME})
 PKG_CONFIG_APPEND_CFLAGS("-I${PYTHON_INCLUDE_DIRS}")
 PKG_CONFIG_APPEND_CFLAGS("-I${NUMPY_INCLUDE_DIRS}")
 PKG_CONFIG_APPEND_BOOST_LIBS(${BOOST_COMPONENTS})
-
-SETUP_PROJECT_PACKAGE_FINALIZE()

eigenpyConfig.cmake

+cmake_minimum_required(VERSION 2.8.3)
+
+message(STATUS "Loading eigenpy from PkgConfig")
+
+find_package(PkgConfig)
+pkg_check_modules(eigenpy REQUIRED eigenpy)