commit 86fd91c73f8a861f76c2c72091662876b1c1a3a6
Author: Tom Hughes <tom@compton.nu>
Date:   Sun Feb 26 22:17:53 2023 +0000

    Boost 1.81

diff --git a/SConstruct b/SConstruct
index b2f439bc5..d91fc8783 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1937,6 +1937,7 @@ if not preconfigured:
         # http://www.boost.org/doc/libs/1_47_0/libs/spirit/doc/html/spirit/what_s_new/spirit_2_5.html#spirit.what_s_new.spirit_2_5.breaking_changes
         env.Append(CPPDEFINES = '-DBOOST_SPIRIT_NO_PREDEFINED_TERMINALS=1')
         env.Append(CPPDEFINES = '-DBOOST_PHOENIX_NO_PREDEFINED_TERMINALS=1')
+        env.Append(CPPDEFINES = '-DBOOST_PHOENIX_STL_TUPLE_H_')
         # c++11 support / https://github.com/mapnik/mapnik/issues/1683
         #  - upgrade to PHOENIX_V3 since that is needed for c++11 compile
         env.Append(CPPDEFINES = '-DBOOST_SPIRIT_USE_PHOENIX_V3=1')