--- hazkey-server/CMakeLists.txt.orig	2026-02-08 10:07:38 UTC
+++ hazkey-server/CMakeLists.txt
@@ -31,6 +31,15 @@ set(HAZKEY_SERVER_LIBLLAMA_BINDIR "${CMAKE_BINARY_DIR}
 # TODO: check path reliability
 set(HAZKEY_SERVER_LIBLLAMA_BINDIR "${CMAKE_BINARY_DIR}/bin" CACHE PATH "Llama.cpp library directory" )
 
+string(TOLOWER ${CMAKE_SYSTEM_NAME} SYSTEM_NAME_LOWER)
+set(FREEBSD_CLANG_21_OR_GREATER FALSE)
+if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+    if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND
+       CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "21.0")
+        set(FREEBSD_CLANG_21_OR_GREATER TRUE)
+    endif()
+endif()
+
 # --- hazkey-server --- #
 
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -57,7 +66,7 @@ if(HAZKEY_SERVER_STATIC_SWIFT_STDLIB AND NOT SWIFT_DYN
             get_filename_component(SWIFT_BIN_DIR "${SWIFT_REAL_PATH}" DIRECTORY)
             get_filename_component(SWIFT_BASE_DIR "${SWIFT_BIN_DIR}" DIRECTORY)
 
-            set(SWIFT_DYNAMIC_LIB_PATH "${SWIFT_BASE_DIR}/lib/swift/linux")
+            set(SWIFT_DYNAMIC_LIB_PATH "${SWIFT_BASE_DIR}/lib/swift/${SYSTEM_NAME_LOWER}")
             message(STATUS "Detected Swift dynamic library path: ${SWIFT_DYNAMIC_LIB_PATH}")
         else()
             message(WARNING "Unexpected swift path structure: ${SWIFT_REAL_PATH}")
@@ -78,6 +87,8 @@ add_custom_target(build_hazkey_server ALL
         "-DSWIFT_WORK_DIR=${CMAKE_CURRENT_SOURCE_DIR}"
         "-DHAZKEY_SERVER_ZENZAI_TRAIT=${HAZKEY_SERVER_ZENZAI_TRAIT}"
         "-DLIBLLAMA_DIR=${HAZKEY_SERVER_LIBLLAMA_BINDIR}"
+        "-DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME}"
+        "-DFREEBSD_CLANG_21_OR_GREATER=${FREEBSD_CLANG_21_OR_GREATER}"
         -P "${CMAKE_CURRENT_SOURCE_DIR}/build_swift.cmake"
     WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
     COMMENT "Building hazkey-server"