encode rpath to dependencies

CMakeLists.txt

@@ -69,6 +69,36 @@ IF(BBAPI_FOUND)
     LIST(APPEND AXL_LINK_LINE " -L${WITH_BBAPI_PREFIX}/lib -lbbAPI")
 ENDIF(BBAPI_FOUND)
 
+############
+# This sets an rpath to buildtime libraries in build directory
+# and rewrites the rpath to the install location during install
+# these lines must come before add_library and add_executable macros
+############
+
+# https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling
+# use, i.e. don't skip the full RPATH for the build tree
+SET(CMAKE_SKIP_BUILD_RPATH  FALSE)
+
+# when building, don't use the install RPATH already
+# (but later on when installing)
+SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+
+SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+
+# add the automatically determined parts of the RPATH
+# which point to directories outside the build tree to the install RPATH
+SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
+# the RPATH to be used when installing, but only if it's not a system directory
+LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
+IF("${isSystemDir}" STREQUAL "-1")
+   SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+ENDIF("${isSystemDir}" STREQUAL "-1")
+
+############
+# End rpath stuff
+############
+
 # Subdirectories
 ADD_SUBDIRECTORY(src)
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src)