From 66bb52e7f0c8bf69bbf33d233a095253efe4923d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alonso=20C=C3=A1rdenas?=
 <11150989+alonsobsd@users.noreply.github.com>
Date: Wed, 16 Jul 2025 07:48:50 -0700
Subject: [PATCH] Fixed issues on FreeBSD with CMake build for BSC and IPv6
 datalinks. (#1046)

---
 CMakeLists.txt   | 32 +++++++++++++++++++++++++++++++-
 ports/bsd/bip6.c |  2 +-
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45322b29..f4553482 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -847,10 +847,40 @@ 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
diff --git a/ports/bsd/bip6.c b/ports/bsd/bip6.c
index 0ea53a51..7e18ce51 100644
--- a/ports/bsd/bip6.c
+++ b/ports/bsd/bip6.c
@@ -22,7 +22,7 @@
 #endif
 #include "bacport.h"
 
-#if defined(__APPLE__) || defined(__darwin__)
+#if defined(__APPLE__) || defined(__darwin__) || defined(__FreeBSD__)
 /* OSX seems not to define these. */
 #ifndef s6_addr16
 #define s6_addr16 __u6_addr.__u6_addr16