From 0e17d432e6a02bd5e13c9ee296f6329334665d11 Mon Sep 17 00:00:00 2001
From: Fabrizio Morciano <>
Date: Fri, 2 Jan 2026 17:43:00 +0100
Subject: [PATCH 1/2] Update CMake configuration: bump version to 3.10, add Fl
 support in CoinCMakeUtilities

---
 CMakeLists.txt                 | 4 +++-
 cmake/CoinCMakeUtilities.cmake | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2235dd4..a01a06f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,6 @@
-cmake_minimum_required (VERSION 3.9.1)
+cmake_minimum_required (VERSION 3.10)
+
+project(IvExamples)
 
 set(CMAKE_CXX_STANDARD 11)
 
diff --git a/cmake/CoinCMakeUtilities.cmake b/cmake/CoinCMakeUtilities.cmake
index 9570327..e5ace22 100644
--- a/cmake/CoinCMakeUtilities.cmake
+++ b/cmake/CoinCMakeUtilities.cmake
@@ -20,8 +20,10 @@ macro(coin_project PROJECT_NAME)
     set(WINWIDGET HWND)
   elseif(Gui STREQUAL "Wx")
     set(WINWIDGET wxWindow*)
+  elseif(Gui STREQUAL "Fl")
+    set(WINWIDGET Fl_Widget*)
   else()
-    message(FATAL_ERROR "Only Qt,Win,Wx and Xt supported: please set Gui at one of these values")
+    message(FATAL_ERROR "Only Qt,Win,Wx,Fl and Xt supported: please set Gui at one of these values")
   endif()
   string(TOUPPER ${Gui} GUI)
   # ############################################################################

From 55ec1f1288faf6a82c0054ec171a4533cdad676b Mon Sep 17 00:00:00 2001
From: Fabrizio Morciano <>
Date: Fri, 2 Jan 2026 17:47:57 +0100
Subject: [PATCH 2/2] Add FLTK (Fl) support to GUI options in
 CoinCMakeUtilities.cmake

---
 cmake/CoinCMakeUtilities.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/CoinCMakeUtilities.cmake b/cmake/CoinCMakeUtilities.cmake
index fa557ce..b09186e 100644
--- a/cmake/CoinCMakeUtilities.cmake
+++ b/cmake/CoinCMakeUtilities.cmake
@@ -16,8 +16,10 @@ macro(coin_setup_gui_project)
     set(WINWIDGET HWND)
   elseif(Gui STREQUAL "Wx")
     set(WINWIDGET wxWindow*)
+  elseif(Gui STREQUAL "Fl")
+    set(WINWIDGET Fl_Widget*)
   else()
-    message(FATAL_ERROR "Only Qt, Win, Wx and Xt supported: please set Gui to one of these values")
+    message(FATAL_ERROR "Only Qt, Win, Wx, Fl and Xt supported: please set Gui to one of these values")
   endif()
   string(TOUPPER ${Gui} GUI)
   # ############################################################################