Refine build scripts and modernize source code

.github/workflows/ci-linux-clang.yml

@@ -28,5 +28,5 @@ jobs:
         run: cmake --build build --config Release
 
       - name: Test
-        working-directory: build
+        working-directory: build/tests
         run: ctest -VV

.github/workflows/ci-linux-gcc.yml

@@ -28,5 +28,5 @@ jobs:
         run: cmake --build build --config Release
 
       - name: Test
-        working-directory: build
+        working-directory: build/tests
         run: ctest -VV

.github/workflows/ci-windows-msvc.yml

@@ -19,5 +19,5 @@ jobs:
         run: cmake --build build --config Release
 
       - name: Test
-        working-directory: build
+        working-directory: build/tests
         run: ctest -VV --build-config Release

CMakeLists.txt

@@ -1,56 +1,28 @@
-cmake_minimum_required (VERSION 3.14...3.27)
-project (utf8cpp 
-         VERSION 4.0.9
-         LANGUAGES CXX
-         DESCRIPTION "C++ portable library for working with utf-8 encoding")
+cmake_minimum_required(VERSION 3.24)
 
-add_library(${PROJECT_NAME} INTERFACE)
-
-include(GNUInstallDirs)
-
-target_include_directories(utf8cpp INTERFACE
-    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/source>"
-    $<INSTALL_INTERFACE:include/utf8cpp>
+project(
+    iris_utf8cpp
+    VERSION 5.0.0
+    LANGUAGES CXX
+    DESCRIPTION "C++ portable library for working with utf-8 encoding"
 )
 
-include(CMakePackageConfigHelpers)
-write_basic_package_version_file(
-    "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
-    VERSION ${PROJECT_VERSION}
-    COMPATIBILITY SameMajorVersion
-    ARCH_INDEPENDENT
-)
+add_library(${PROJECT_NAME} INTERFACE)
 
-install(TARGETS ${PROJECT_NAME}
-    EXPORT ${PROJECT_NAME}Targets
-    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-    PUBLIC_HEADER DESTINATION include COMPONENT Development
-    BUNDLE DESTINATION bin COMPONENT Runtime
-)
+target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_20)
 
-configure_package_config_file(
-    "${PROJECT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in"
-    "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
-    INSTALL_DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake
+target_sources(
+    ${PROJECT_NAME}
+    INTERFACE
+        FILE_SET HEADERS
+            TYPE HEADERS
+            BASE_DIRS source
+            FILES
+                source/utf8.h
 )
 
-install(EXPORT ${PROJECT_NAME}Targets
-        FILE ${PROJECT_NAME}Targets.cmake
-        NAMESPACE ${PROJECT_NAME}::
-        DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
-
-install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
-              "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
-        DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
-
-install(FILES ${PROJECT_SOURCE_DIR}/source/utf8.h DESTINATION include/utf8cpp)
-install(DIRECTORY ${PROJECT_SOURCE_DIR}/source/utf8 DESTINATION
-        include/utf8cpp)
+option(UTF8CPP_ENABLE_TESTS "Build and enable tests" ${PROJECT_IS_TOP_LEVEL})
 
-option(UTF8CPP_ENABLE_TESTS "Build and enable tests" OFF)
 if(UTF8CPP_ENABLE_TESTS)
-    enable_testing()
     add_subdirectory(tests)
 endif()