[CMake] fix PACKAGE_EXTRA_MACROS use

CMakeLists.txt

@@ -15,10 +15,6 @@ SET(PROJECT_USE_CMAKE_EXPORT TRUE)
 SET(CUSTOM_HEADER_DIR ${PROJECT_NAME})
 SET(CXX_DISABLE_WERROR TRUE)
 SET(DOXYGEN_USE_MATHJAX YES)
-SET(DYNAMIC_GRAPH_PLUGINDIR "${CMAKE_INSTALL_PREFIX}/lib/${PROJECT_NAME}-plugins")
-SET(PACKAGE_EXTRA_MACROS "set(DYNAMIC_GRAPH_PLUGINDIR ${DYNAMIC_GRAPH_PLUGINDIR})")
-SET(PKG_CONFIG_EXTRA "plugindir=${DYNAMIC_GRAPH_PLUGINDIR}")
-SET(CMAKE_INSTALL_RPATH "${DYNAMIC_GRAPH_PLUGINDIR}")
 
 # JRL-cmakemodule setup
 INCLUDE(cmake/base.cmake)
@@ -141,6 +137,11 @@ ENDIF(SUFFIX_SO_VERSION)
 
 INSTALL(TARGETS ${PROJECT_NAME} EXPORT ${TARGETS_EXPORT_NAME} DESTINATION lib)
 
+SET(DYNAMIC_GRAPH_PLUGINDIR "${CMAKE_INSTALL_PREFIX}/lib/${PROJECT_NAME}-plugins")
+SET(PACKAGE_EXTRA_MACROS "set(DYNAMIC_GRAPH_PLUGINDIR ${DYNAMIC_GRAPH_PLUGINDIR})")
+SET(PKG_CONFIG_EXTRA "plugindir=${DYNAMIC_GRAPH_PLUGINDIR}")
+SET(CMAKE_INSTALL_RPATH "${DYNAMIC_GRAPH_PLUGINDIR}")
+
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(tests)