From bd88f7275c7a8f53188f5e473c387e480e6f718d Mon Sep 17 00:00:00 2001
From: berniev <bernievbb@icloud.com>
Date: Thu, 22 Sep 2022 13:56:29 +1000
Subject: [PATCH] Fix for Boost with C++20

---
 cMake/FreeCAD_Helpers/ConfigureCMakeVariables.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cMake/FreeCAD_Helpers/ConfigureCMakeVariables.cmake b/cMake/FreeCAD_Helpers/ConfigureCMakeVariables.cmake
index 708bad0697ae..834d2a720608 100644
--- a/cMake/FreeCAD_Helpers/ConfigureCMakeVariables.cmake
+++ b/cMake/FreeCAD_Helpers/ConfigureCMakeVariables.cmake
@@ -34,4 +34,7 @@ macro(ConfigureCMakeVariables)
     message(STATUS "includedir: ${CMAKE_INSTALL_INCLUDEDIR}")
     message(STATUS "libdir: ${CMAKE_INSTALL_LIBDIR}")
     message(STATUS "cmake: ${CMAKE_VERSION}")
+
+    add_compile_definitions(BOOST_NO_CXX98_FUNCTION_BASE)
+
 endmacro(ConfigureCMakeVariables)