3 files changed, 33 insertions, 1 deletions
diff --git a/ports/boost-python/CONTROL b/ports/boost-python/CONTROL
index 36bb42387..318dade7d 100644
--- a/ports/boost-python/CONTROL
+++ b/ports/boost-python/CONTROL
@@ -1,5 +1,5 @@
 # Automatically generated by boost-vcpkg-helpers/generate-ports.ps1
 Source: boost-python
-Version: 1.67.0-1
+Version: 1.67.0-2
 Build-Depends: boost-bind, boost-config, boost-core, boost-detail, boost-graph, boost-integer, boost-iterator, boost-mpl, boost-preprocessor, boost-property-map, boost-smart-ptr, boost-static-assert, boost-tuple, boost-utility, boost-vcpkg-helpers, python3
 Description: Boost python module
diff --git a/ports/boost-python/portfile.cmake b/ports/boost-python/portfile.cmake
index 73980e640..06b2efa14 100644
--- a/ports/boost-python/portfile.cmake
+++ b/ports/boost-python/portfile.cmake
@@ -8,6 +8,7 @@ vcpkg_from_github(
     REF boost-1.67.0
     SHA512 59091af63626cc6e33f76bded8733b5fb044f7139197e6c887e8e279831954c1e8b67341b6b2f3c9dce97e67a166996321ea439609d225dab7f68762423d6211
     HEAD_REF master
+    PATCHES unwind-type.patch
 )
 
 # Find Python. Can't use find_package here, but we already know where everything is
diff --git a/ports/boost-python/unwind-type.patch b/ports/boost-python/unwind-type.patch
new file mode 100644
index 000000000..62e9c8185
--- /dev/null
+++ b/ports/boost-python/unwind-type.patch
@@ -0,0 +1,31 @@
+diff --git a/include/boost/python/detail/unwind_type.hpp b/include/boost/python/detail/unwind_type.hpp
+index f6cdab6..da9633b 100644
+--- a/include/boost/python/detail/unwind_type.hpp
++++ b/include/boost/python/detail/unwind_type.hpp
+@@ -11,7 +11,7 @@
+ 
+ namespace boost { namespace python { namespace detail {
+ 
+-#ifndef _MSC_VER //if forward declared, msvc6.5 does not recognize them as inline
++#if !defined(_MSC_VER) || _MSC_VER >= 1915 //if forward declared, msvc6.5 does not recognize them as inline
+ // forward declaration, required (at least) by Tru64 cxx V6.5-042
+ template <class Generator, class U>
+ inline typename Generator::result_type
+@@ -83,7 +83,7 @@ struct unwind_helper<false>
+ 
+ template <class Generator, class U>
+ inline typename Generator::result_type
+-#ifndef _MSC_VER
++#if !defined(_MSC_VER) || _MSC_VER >= 1915
+ unwind_type(U const& p, Generator*)
+ #else
+ unwind_type(U const& p, Generator* = 0)
+@@ -148,7 +148,7 @@ struct unwind_helper2<reference_to_pointer_>
+ // why bother?
+ template <class Generator, class U>
+ inline typename Generator::result_type
+-#ifndef _MSC_VER
++#if !defined(_MSC_VER) || _MSC_VER >= 1915
+ unwind_type(boost::type<U>*, Generator*)
+ #else
+ unwind_type(boost::type<U>*p =0, Generator* =0)