$NetBSD: patch-CMakeLists.txt,v 1.1 2025/10/17 08:52:36 wiz Exp $

boost 1.89 made system header-only.

--- CMakeLists.txt.orig	2025-10-17 08:50:58.142456575 +0000
+++ CMakeLists.txt
@@ -80,7 +80,7 @@ endif()
 
 # Set BOOST_ROOT to help CMake to find the right Boost version
 find_package(Boost 1.49.0
-  REQUIRED date_time filesystem system iostreams regex unit_test_framework
+  REQUIRED date_time filesystem iostreams regex unit_test_framework
   ${BOOST_PYTHON})
 
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})