From dd97107aa81e1137c80602c044b3805bf4ffda56 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Tue, 6 Jan 2026 11:12:50 +0100
Subject: Switch to using modules in the library

---
 CMakeLists.txt | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f01ca92..980c023 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
-cmake_minimum_required(VERSION 3.30)
+cmake_minimum_required(VERSION 4.0.0)
 project(Katja LANGUAGES CXX)
 
 include(CTest)
@@ -12,14 +12,11 @@ option(KATJA_BUILD_TUI "Build text user interface" ON)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_MODULE_STD 1)
+set(CMAKE_CXX_STANDARD 23)
 
-add_library(katja
-	katja/database.cpp include/katja/database.hpp
-	katja/sbo.cpp include/katja/sbo.hpp
-	katja/repository.cpp include/katja/repository.hpp
-)
+add_library(katja)
+target_sources(katja PUBLIC FILE_SET all_my_modules TYPE CXX_MODULES FILES
+	katja/database.cpp katja/repository.cpp katja/sbo.cpp)
 include_directories(include ${Boost_INCLUDE_DIR})
 
 if(KATJA_BUILD_TUI)
-- 
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