--- src/geometry/CMakeLists.txt.orig	2026-07-24 21:10:30 UTC
+++ src/geometry/CMakeLists.txt
@@ -9,7 +9,11 @@ message(STATUS "BOOST_DIR: ${BOOST_DIR}")
 # include_directories(${absl_INCLUDE_DIR})
 message(STATUS "BOOST_DIR: ${BOOST_DIR}")
 
-if(NOT BOOST_DIR STREQUAL "" AND EXISTS ${BOOST_DIR})
+if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+	message(STATUS "FreeBSD detected, using system Boost")
+	find_package(Boost REQUIRED)
+	include_directories(${Boost_INCLUDE_DIRS})
+elseif(NOT BOOST_DIR STREQUAL "" AND EXISTS ${BOOST_DIR})
  	message(STATUS "BOOST_DIR is not empty: ${BOOST_DIR}")
 	include_directories(${BOOST_DIR})
 else()