--- CMakeLists.txt.orig	2025-06-23 23:19:03 UTC
+++ CMakeLists.txt
@@ -834,10 +834,40 @@ elseif(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
 
   target_sources(${PROJECT_NAME} PRIVATE
     ports/bsd/bacport.h
-    ports/bsd/bip-init.c
+    $<$<BOOL:${BACDL_BIP}>:ports/bsd/bip-init.c>
+    $<$<BOOL:${BACDL_BIP6}>:ports/bsd/bip6.c>
+    $<$<BOOL:${BACDL_MSTP}>:ports/bsd/rs485.c>
+    $<$<BOOL:${BACDL_MSTP}>:ports/bsd/rs485.h>
+    $<$<BOOL:${BACDL_MSTP}>:ports/bsd/dlmstp.c>
     ports/bsd/datetime-init.c
     ports/bsd/mstimer-init.c
+    $<$<BOOL:${BACDL_BSC}>:ports/bsd/bsc-event.c>
+    $<$<BOOL:${BACDL_BSC}>:ports/bsd/websocket-cli.c>
+    $<$<BOOL:${BACDL_BSC}>:ports/bsd/websocket-srv.c>
+    $<$<BOOL:${BACDL_BSC}>:ports/bsd/websocket-global.c>
     ports/bsd/stdbool.h)
+
+  if(BACDL_ETHERNET)
+    FIND_PATH(PCAP_INCLUDE pcap.h)
+    if(NOT PCAP_INCLUDE)
+      message(WARNING "BACNET: pcap.h header file not found")
+    else()
+      message(STATUS "BACNET: pcap Include:...................\"${PCAP_INCLUDE}\"")
+    endif()
+    FIND_LIBRARY(PCAP_LIBRARIES NAMES pcap)
+    if(NOT PCAP_LIBRARIES)
+      message(WARNING "BACNET: libpcap not found")
+    else()
+      message(STATUS "BACNET: pcap Lib:.......................\"${PCAP_LIBRARIES}\"")
+    endif()
+    if(PCAP_INCLUDE AND PCAP_LIBRARIES)
+      include_directories(${PCAP_INCLUDE})
+      link_libraries(${PCAP_LIBRARIES})
+      target_sources(${PROJECT_NAME} PRIVATE
+        ports/bsd/ethernet.c
+      )
+    endif()
+  endif()
 endif()
 
 target_include_directories(${PROJECT_NAME} PUBLIC