Revert "Do not read LOCATION property any more"

This reverts commit 9f971b2e66.

CMakeLists.txt

@@ -81,8 +81,9 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
     target_link_libraries(${PROJECT_NAME} ${LIBSOCKET} ${LIBNSL})
 endif()
 
-set(POSTSRSD "$<TARGET_FILE_NAME:${PROJECT_NAME}>")
-set(APPARMOR_PROFILE "${CMAKE_INSTALL_PREFIX}/sbin/${PROJECT_NAME}")
+get_target_property(POSTSRSD ${PROJECT_NAME} LOCATION)
+get_filename_component(POSTSRSD ${POSTSRSD} NAME_WE)
+set(APPARMOR_PROFILE "${CMAKE_INSTALL_PREFIX}/sbin/${POSTSRSD}")
 string(REGEX REPLACE "^/+" "" APPARMOR_PROFILE "${APPARMOR_PROFILE}")
 string(REPLACE "/" "." APPARMOR_PROFILE "${APPARMOR_PROFILE}")