From ed38fd021caab74b1812b3342078df82ee5efb11 Mon Sep 17 00:00:00 2001
From: Sven Goldberg <sven.goldberg@dlr.de>
Date: Wed, 18 Dec 2024 10:20:07 +0100
Subject: [PATCH 1/2] Update to C++17 standard and remove double def in CMake

---
 CMakeLists.txt     | 4 ++--
 src/CMakeLists.txt | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dfff8939e..eb76e76f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,8 +12,8 @@ cmake_minimum_required (VERSION 3.11.0)
 project (TIGL VERSION 3.4.0)
 set(TIGL_VERSION 3.4.0)
 
-# enable C++11 support
-set(CMAKE_CXX_STANDARD 11)
+# enable C++17 support
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cf3ea15d4..df4d6703f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -79,7 +79,6 @@ endforeach()
 
 # object library containing just the compiled sources
 add_library(tigl3_objects OBJECT ${TIGL_SRC})
-target_compile_features(tigl3_objects PRIVATE cxx_std_11)
 set_property(TARGET tigl3_objects PROPERTY POSITION_INDEPENDENT_CODE ON) # needed for shared libraries
 
 target_include_directories(tigl3_objects
@@ -208,7 +207,6 @@ target_include_directories(tigl3_cpp INTERFACE
 )
 
 target_link_libraries(tigl3_cpp INTERFACE ${OpenCASCADE_LIBRARIES} Boost::boost Boost::disable_autolinking)
-target_compile_features(tigl3_cpp INTERFACE cxx_std_11)
 
 if (TARGET glog::glog)
   target_link_libraries (tigl3_cpp INTERFACE glog::glog)

From 0d8b557fbb1bff85455162e74eb824a825413faf Mon Sep 17 00:00:00 2001
From: Sven Goldberg <sven.goldberg@dlr.de>
Date: Wed, 18 Dec 2024 10:29:42 +0100
Subject: [PATCH 2/2] Update ChangeLog.md

---
 ChangeLog.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ChangeLog.md b/ChangeLog.md
index 33425e3bd..9bafbbf6d 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,11 @@ Changelog
 
 Changes since last release
 -------------
+18/12/2024
+
+  - General changes:
+    - Update the C++ standard to C++17 (#1045).
+
 13/11/2024
 
  - Fixes: