From d4b13b5f8aa801c6f8c957e65603c2f8979a4ec6 Mon Sep 17 00:00:00 2001
From: Marco Randazzo <marco.randazzo@iit.it>
Date: Tue, 21 Jan 2025 20:13:19 +0100
Subject: [PATCH] fix for c# with swig version 4.2.1

---
 .github/workflows/ci.yml | 13 +++++++++++++
 bindings/yarp.i          |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13b23279b9e..6b1f39a1dd2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1434,6 +1434,7 @@ jobs:
           set(_cmake_extra_options ${{ matrix.config.cmake_extra_options }})
         endif()
 
+        #SWIGFIX temporary fix for swig 4.2.1. The following lines should be removed.
         set(_swig_extra_options)
         if(NOT "${{ matrix.config.swig_extra_options }}" STREQUAL "")
           set(_swig_extra_options ${{ matrix.config.swig_extra_options }})
@@ -1592,6 +1593,12 @@ jobs:
                                        -D CMAKE_CXX_COMPILER_LAUNCHER=${_ccache_cmd})
         endif()
 
+        #SWIGFIX temporary fix for swig 4.2.1. The following lines should be removed.
+        set(_swig_extra_options)
+        if(NOT "${{ matrix.config.swig_extra_options }}" STREQUAL "")
+          set(_swig_extra_options ${{ matrix.config.swig_extra_options }})
+        endif()
+
         execute_process_x(
           COMMAND ${CMAKE_COMMAND}
             -S bindings
@@ -1669,6 +1676,12 @@ jobs:
                                        -D CMAKE_CXX_COMPILER_LAUNCHER=${_ccache_cmd})
         endif()
 
+        #SWIGFIX temporary fix for swig 4.2.1. The following lines should be removed.
+        set(_swig_extra_options)
+        if(NOT "${{ matrix.config.swig_extra_options }}" STREQUAL "")
+          set(_swig_extra_options ${{ matrix.config.swig_extra_options }})
+        endif()
+
         execute_process_x(
           COMMAND ${CMAKE_COMMAND}
             -S bindings
diff --git a/bindings/yarp.i b/bindings/yarp.i
index 24d18189e47..ca7cceac030 100644
--- a/bindings/yarp.i
+++ b/bindings/yarp.i
@@ -451,9 +451,11 @@ MAKE_COMMS(Bottle)
   %include "matlab/vectors_fromTo_matlab.i"
 #endif
 
+#if SWIG_VERSION < 0x040201
 #if defined(SWIGCSHARP)
   SWIG_STD_VECTOR_SPECIALIZE_MINIMUM(Pid,yarp::dev::Pid)
 #endif
+#endif
 %template(PidVector) std::vector<yarp::dev::Pid>;
 
 //////////////////////////////////////////////////////////////////////////