Add a target CGALlab_compile_all_plugins

Lab/demo/Lab/CGALlab_compile_all_plugins.cpp

@@ -0,0 +1,6 @@
+#include <iostream>
+int main()
+{
+std::cout << "This executable is not intended to be run.\nPlease run the CGALlab executable instead.\n";
+  return 0;
+}

Lab/demo/Lab/CGALlab_macros.cmake

@@ -1,6 +1,12 @@
+include_guard()
+
 include(AddFileDependencies)
 include(${CGAL_MODULES_DIR}/CGAL_add_test.cmake)
 
+add_custom_target(CGALlab_all_plugins)
+add_executable(CGALlab_compile_all_plugins CGALlab_compile_all_plugins.cpp)
+add_dependencies(CGALlab_compile_all_plugins CGALlab_all_plugins)
+
   macro(cgal_lab_plugin plugin_name plugin_implementation_base_name)
     cmake_parse_arguments(ARG "" "" "KEYWORDS" ${ARGN})
     list_split(option ARGN_TAIL ${ARG_UNPARSED_ARGUMENTS} )
@@ -48,6 +54,7 @@ include(${CGAL_MODULES_DIR}/CGAL_add_test.cmake)
       add_dependencies( ${plugin_name} CGALlab )
     endif()
     if(NOT TARGET CGALlab_all_plugins)
+      message(AUTHOR_WARNING "CGALlab_all_plugins target not found, creating it")
       add_custom_target(CGALlab_all_plugins)
     endif()
     add_dependencies(CGALlab_all_plugins ${plugin_name})

Lab/demo/Lab/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1...3.23)
+cmake_minimum_required(VERSION 3.11...3.23)
 project(Lab_Demo)
 include(FeatureSummary)