Allow dynamic trace on any platform that can support it.

cmake/targets/linux.cmake

@@ -16,9 +16,6 @@ else()
   )
 endif()
 
-# Export symbols so backtrace_symbols() can resolve function names.
-target_link_options(${DUSK_LIBRARY_TARGET_NAME} PUBLIC -rdynamic)
-
 # Link required libraries.
 target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   SDL2
@@ -29,6 +26,8 @@ target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   # CURL::libcurl
 )
 
+set(DUSK_BACKTRACE ON CACHE BOOL "Enable backtrace support for assert failures.")
+
 # Define platform-specific macros.
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_SDL2