$NetBSD$

First two chunks:
https://github.com/openbabel/openbabel/pull/2784

rest:
Remove obsolete variable and bump minor version.

--- CMakeLists.txt.orig	2024-12-21 00:24:53.000000000 +0000
+++ CMakeLists.txt
@@ -1,6 +1,6 @@
-# Please ensure that any changes remain compliant with 3.1.
+# Please ensure that any changes remain compliant with 3.10.
 if(NOT EMBED_OPENBABEL)
-  cmake_minimum_required(VERSION 3.1)
+  cmake_minimum_required(VERSION 3.10)
 endif()
 
 project(openbabel)
@@ -10,9 +10,6 @@ set (CMAKE_CXX_STANDARD 11)
 
 if(COMMAND cmake_policy)
   cmake_policy(SET CMP0003 NEW)
-  if(POLICY CMP0042)
-    cmake_policy(SET CMP0042 OLD)
-  endif()
 endif()
 
 include (CheckCXXCompilerFlag)
@@ -24,7 +21,7 @@ include (CheckCXXCompilerFlag)
 # had too many 1.100.1 releases. :-)
 set(BABEL_MAJ_VER   3)
 set(BABEL_MIN_VER   1)
-set(BABEL_PATCH_VER 1)
+set(BABEL_PATCH_VER 2)
 
 # This should be phased out in preference for just using the target name
 set(BABEL_LIBRARY openbabel)
@@ -317,7 +314,7 @@ endif()
 
 find_package(Boost COMPONENTS program_options iostreams)
   if(Boost_FOUND)
-    include_directories(${Boost_INCLUDE_DIRS} ${Boost_INCLUDE_DIR})
+    include_directories(${Boost_INCLUDE_DIRS})
  endif()
 
 # Intel C++ Compiler
@@ -438,7 +435,7 @@ endif()
 
 find_package(Boost COMPONENTS filesystem iostreams unit_test_framework)
 if(Boost_FOUND)
-  include_directories(${Boost_INCLUDE_DIRS} ${Boost_INCLUDE_DIR})
+  include_directories(${Boost_INCLUDE_DIRS})
   option(WITH_MAEPARSER "Build Maestro support" ON)
   if(BUILD_SHARED)
     option(WITH_COORDGEN "Build Coordgen support" ON)