--- CMakeLists.txt.orig	2021-01-11 20:50:45 UTC
+++ CMakeLists.txt
@@ -323,7 +323,7 @@ if (NOT IQTREE_FLAGS MATCHES "single")
 
     if(CLANG AND APPLE)
         link_directories(${PROJECT_SOURCE_DIR}/libmac)
-    elseif (WIN32 OR UNIX)
+    elseif (WIN32 OR UNIX AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
         if (BINARY32)
             link_directories(${PROJECT_SOURCE_DIR}/lib32)
         else()
