From edd46b9e29706c0b1cf9c0ad7e9cab9b5ab8182b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Mon, 21 Jul 2025 12:16:48 +0200
Subject: [PATCH] fix build of tests/examples/demos for a release

it will not work in branch build mode but I'm not sure
this is something we want to support.
---
 Installation/cmake/modules/CGALHelpers.cmake |  2 +-
 Installation/demo/CMakeLists.txt             | 19 ++++++++++++++-----
 Installation/examples/CMakeLists.txt         | 20 +++++++++++++++-----
 Installation/test/CMakeLists.txt             | 18 +++++++++++++-----
 4 files changed, 43 insertions(+), 16 deletions(-)

diff --git a/Installation/cmake/modules/CGALHelpers.cmake b/Installation/cmake/modules/CGALHelpers.cmake
index de42f8cf269..f29fd11111b 100644
--- a/Installation/cmake/modules/CGALHelpers.cmake
+++ b/Installation/cmake/modules/CGALHelpers.cmake
@@ -9,7 +9,7 @@ function(process_CGAL_subdirectory entry subdir type_name)
     make_directory("${CMAKE_BINARY_DIR}/${subdir}/${ENTRY_DIR_NAME}")
   endif()
 
-  message("\n-- Configuring ${subdir} in ${subdir}/${ENTRY_DIR_NAME}")
+  message("-- Configuring ${subdir} in ${subdir}/${ENTRY_DIR_NAME}")
 
   set(source_dir "")
   if(EXISTS ${entry}/CMakeLists.txt)
diff --git a/Installation/demo/CMakeLists.txt b/Installation/demo/CMakeLists.txt
index 92606a5b9d2..011b436cc53 100644
--- a/Installation/demo/CMakeLists.txt
+++ b/Installation/demo/CMakeLists.txt
@@ -1,7 +1,16 @@
+project(CGAL_Demos)
+
 cmake_minimum_required(VERSION 3.12...3.31)
 
-if(NOT CGAL_MODULES_DIR)
-  find_package(CGAL REQUIRED)
-endif()
-include(${CGAL_MODULES_DIR}/CGALHelpers.cmake)
-CGAL_handle_subdirectories(demo demos)
+file(GLOB pkgs RELATIVE ${CMAKE_SOURCE_DIR} "*")
+list(SORT pkgs)
+
+message("== Generating build files for demos ==")
+foreach(pkg ${pkgs})
+  set(pkg_dir ${CMAKE_SOURCE_DIR}/${pkg})
+  if(IS_DIRECTORY "${pkg_dir}" AND EXISTS "${pkg_dir}/CMakeLists.txt")
+    message("\n-- Configuring ${pkg}")
+    add_subdirectory(${pkg_dir} "${CMAKE_BINARY_DIR}/${pkg}")
+  endif()
+endforeach()
+message("== Generating build files for done (DONE) ==")
diff --git a/Installation/examples/CMakeLists.txt b/Installation/examples/CMakeLists.txt
index e0034b4727f..9fc6ac0858b 100644
--- a/Installation/examples/CMakeLists.txt
+++ b/Installation/examples/CMakeLists.txt
@@ -1,6 +1,16 @@
+project(CGAL_Examples)
+
 cmake_minimum_required(VERSION 3.12...3.31)
-if(NOT CGAL_MODULES_DIR)
-  find_package(CGAL REQUIRED)
-endif()
-include(${CGAL_MODULES_DIR}/CGALHelpers.cmake)
-CGAL_handle_subdirectories(examples examples)
+
+file(GLOB pkgs RELATIVE ${CMAKE_SOURCE_DIR} "*")
+list(SORT pkgs)
+
+message("== Generating build files for examples ==")
+foreach(pkg ${pkgs})
+  set(pkg_dir ${CMAKE_SOURCE_DIR}/${pkg})
+  if(IS_DIRECTORY "${pkg_dir}" AND EXISTS "${pkg_dir}/CMakeLists.txt")
+    message("\n-- Configuring ${pkg}")
+    add_subdirectory(${pkg_dir} "${CMAKE_BINARY_DIR}/${pkg}")
+  endif()
+endforeach()
+message("== Generating build files for done (DONE) ==")
diff --git a/Installation/test/CMakeLists.txt b/Installation/test/CMakeLists.txt
index 64d616edd57..e8e81f0c032 100644
--- a/Installation/test/CMakeLists.txt
+++ b/Installation/test/CMakeLists.txt
@@ -1,8 +1,16 @@
+project(CGAL_Tests)
+
 cmake_minimum_required(VERSION 3.12...3.31)
 
+file(GLOB pkgs RELATIVE ${CMAKE_SOURCE_DIR} "*")
+list(SORT pkgs)
 
-if(NOT CGAL_MODULES_DIR)
-  find_package(CGAL REQUIRED)
-endif()
-include(${CGAL_MODULES_DIR}/CGALHelpers.cmake)
-CGAL_handle_subdirectories(test tests)
+message("== Generating build files for tests ==")
+foreach(pkg ${pkgs})
+  set(pkg_dir ${CMAKE_SOURCE_DIR}/${pkg})
+  if(IS_DIRECTORY "${pkg_dir}" AND EXISTS "${pkg_dir}/CMakeLists.txt")
+    message("\n-- Configuring ${pkg}")
+    add_subdirectory(${pkg_dir} "${CMAKE_BINARY_DIR}/${pkg}")
+  endif()
+endforeach()
+message("== Generating build files for done (DONE) ==")