--- bootstrap.sh.orig	2024-12-05 08:53:27.000000000 +0800
+++ bootstrap.sh	2025-01-17 13:16:35.000000000 +0800
@@ -226,7 +226,7 @@
 if test "x$BJAM" = x; then
   $ECHO "Building B2 engine.."
   pwd=`pwd`
-  CXX= CXXFLAGS= "$my_dir/tools/build/src/engine/build.sh" ${TOOLSET}
+  CXX= CXXFLAGS= "$my_dir/tools/build/src/engine/build.sh" --cxxflags="-isystem@PREFIX@/include/LegacySupport -Wl,-lMacportsLegacySupport" ${TOOLSET}
   if [ $? -ne 0 ]; then
       echo
       echo "Failed to build B2 build engine"