From 9bf41340435c7a9cc0dc4df1836fa01a5220c25a Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Wed, 9 Oct 2024 13:14:11 +0100
Subject: [PATCH] Only link with Boost::program_options - Supported the minimum
 required cmake

---
 Generator/benchmark/Generator/CMakeLists.txt        |  9 ++-------
 Jet_fitting_3/examples/Jet_fitting_3/CMakeLists.txt |  8 ++------
 Lab/demo/Lab/Plugins/Mesh_3/CMakeLists.txt          | 10 ++++------
 3 files changed, 8 insertions(+), 19 deletions(-)

diff --git a/Generator/benchmark/Generator/CMakeLists.txt b/Generator/benchmark/Generator/CMakeLists.txt
index a31ce526369..e1daf72a299 100644
--- a/Generator/benchmark/Generator/CMakeLists.txt
+++ b/Generator/benchmark/Generator/CMakeLists.txt
@@ -10,13 +10,8 @@ find_package(Boost COMPONENTS program_options)
 if(Boost_PROGRAM_OPTIONS_FOUND)
   create_single_source_cgal_program("random_grid.cpp")
   create_single_source_cgal_program("random_disc_2.cpp")
-  if(TARGET Boost::program_options)
-    target_link_libraries(random_grid PRIVATE Boost::program_options)
-    target_link_libraries(random_disc_2 PRIVATE Boost::program_options)
-  else()
-    target_link_libraries(random_grid PRIVATE ${Boost_PROGRAM_OPTIONS_LIBRARY})
-    target_link_libraries(random_disc_2 PRIVATE ${Boost_PROGRAM_OPTIONS_LIBRARY})
-  endif()
+  target_link_libraries(random_grid PRIVATE Boost::program_options)
+  target_link_libraries(random_disc_2 PRIVATE Boost::program_options)
 else()
   message("NOTICE: The benchmarks requires Boost Program Options, and will not be compiled.")
 endif()
diff --git a/Jet_fitting_3/examples/Jet_fitting_3/CMakeLists.txt b/Jet_fitting_3/examples/Jet_fitting_3/CMakeLists.txt
index 4785a6647bc..a8bcc29b90c 100644
--- a/Jet_fitting_3/examples/Jet_fitting_3/CMakeLists.txt
+++ b/Jet_fitting_3/examples/Jet_fitting_3/CMakeLists.txt
@@ -15,12 +15,8 @@ if(TARGET CGAL::Eigen3_support)
   find_package(Boost QUIET COMPONENTS program_options)
   if(Boost_PROGRAM_OPTIONS_FOUND)
     create_single_source_cgal_program("Mesh_estimation.cpp")
-    target_link_libraries(Mesh_estimation PRIVATE CGAL::Eigen3_support)
-    if(TARGET Boost::program_options)
-      target_link_libraries(Mesh_estimation PRIVATE Boost::program_options)
-    else()
-      target_link_libraries(Mesh_estimation PRIVATE ${Boost_PROGRAM_OPTIONS_LIBRARY})
-    endif()
+    target_link_libraries(Mesh_estimation PRIVATE CGAL::Eigen3_support
+                                                  Boost::program_options)
   else()
     message(STATUS "NOTICE: The example 'Mesh_estimation' requires Boost Program Options, and will not be compiled.")
   endif()
diff --git a/Lab/demo/Lab/Plugins/Mesh_3/CMakeLists.txt b/Lab/demo/Lab/Plugins/Mesh_3/CMakeLists.txt
index 6898456fc8c..889c647ff9d 100644
--- a/Lab/demo/Lab/Plugins/Mesh_3/CMakeLists.txt
+++ b/Lab/demo/Lab/Plugins/Mesh_3/CMakeLists.txt
@@ -57,12 +57,10 @@ if(Boost_FILESYSTEM_FOUND)
   if(VTK_LIBRARIES)
     target_compile_definitions(io_image_plugin PRIVATE -DCGAL_USE_VTK -DNOMINMAX)
   endif()
-  if(TARGET Boost::filesystem)
-    target_link_libraries(io_image_plugin PUBLIC Boost::filesystem
-                                                 Boost::system)
-  else()
-    target_link_libraries(io_image_plugin PUBLIC ${Boost_LIBRARIES})
-  endif()
+
+  target_link_libraries(io_image_plugin PUBLIC Boost::filesystem
+                                               Boost::system)
+
 else()
   message(STATUS "NOTICE: the Io_image_plugin requires boost-filesystem, and will not be compiled")
 endif()