- Add CMake Workflow Presets

- Upgrade to gitup workflow action v3
- Prepare use of git-flow
- Use CMake v3.21 variable PROJECT_IS_TOP_LEVEL
- Use CMAKE_DEBUG_POSTFIX to prevent name clashes
- Add more config files

standalone/CMakeLists.txt

@@ -1,7 +1,16 @@
-cmake_minimum_required(VERSION 3.14...3.27)
+cmake_minimum_required(VERSION 3.21...3.27)
 
 project(GreeterStandalone LANGUAGES CXX)
 
+if(PROJECT_IS_TOP_LEVEL AND CMAKE_BUILD_TYPE STREQUAL "Release")
+  set(CMAKE_SKIP_INSTALL_RULES
+      NO
+      CACHE BOOL "Forced generation of installation rules" FORCE
+  )
+endif()
+
+option(OPTION_ENABLE_UNITY "Enable Unity builds of project" ON)
+
 # --- Import tools ----
 
 include(../cmake/tools.cmake)
@@ -13,6 +22,7 @@ include(../cmake/CPM.cmake)
 CPMAddPackage(
   GITHUB_REPOSITORY jarro2783/cxxopts
   VERSION 3.1.1
+  SYSTEM ON # used in case of cmake v3.25
   OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
 )
 
@@ -27,8 +37,22 @@ CPMAddPackage(
 file(GLOB sources CONFIGURE_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp)
 
 add_executable(${PROJECT_NAME} ${sources})
+if(CMAKE_DEBUG_POSTFIX)
+  set_property(TARGET ${PROJECT_NAME} PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
+endif()
+target_link_libraries(${PROJECT_NAME} Greeter::Greeter cxxopts::cxxopts)
+set_target_properties(${PROJECT_NAME} PROPERTIES UNITY_BUILD ${OPTION_ENABLE_UNITY})
 
-# TODO(CK): why is this needed?
+# TODO(CK): why is this used? This overrides the CMAKE_DEBUG_POSTFIX!
 set_target_properties(${PROJECT_NAME} PROPERTIES OUTPUT_NAME Greeter)
 
-target_link_libraries(${PROJECT_NAME} Greeter::Greeter cxxopts::cxxopts)
+# --- Test it ---
+
+enable_testing()
+add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_NAME} --help)
+
+# --- Install it ---
+
+install(TARGETS ${PROJECT_NAME} RUNTIME)
+
+include(CPack)

standalone/CMakePresets.json

@@ -0,0 +1,106 @@
+{
+  "version": 6,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 23,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "default",
+      "displayName": "Default standalone Config",
+      "description": "Default build using Ninja generator",
+      "generator": "Ninja",
+      "binaryDir": "${sourceParentDir}/build/standalone",
+      "installDir": "${sourceParentDir}/stagedir",
+      "cacheVariables": {
+        "CMAKE_PREFIX_PATH": {
+          "type": "path",
+          "value": "${sourceParentDir}/stagedir"
+        },
+        "CMAKE_CXX_STANDARD": "20",
+        "CMAKE_BUILD_TYPE": "Release",
+        "CMAKE_DEBUG_POSTFIX": "D",
+        "CPM_USE_LOCAL_PACKAGES": "YES",
+        "BUILD_SHARED_LIBS": "YES"
+      },
+      "environment": {
+        "CPM_USE_LOCAL_PACKAGES": "YES",
+        "PATH": "$env{HOME}/.local/bin${pathListSep}$penv{PATH}"
+      }
+    },
+    {
+      "name": "ninja-multi",
+      "inherits": "default",
+      "displayName": "Ninja Multi-Config",
+      "description": "Default build using Ninja Multi-Config generator",
+      "generator": "Ninja Multi-Config"
+    },
+    {
+      "name": "windows-only",
+      "inherits": "default",
+      "displayName": "Windows-only configuration",
+      "description": "This build is only available on Windows",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Windows"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "default",
+      "configurePreset": "default"
+    },
+    {
+      "name": "install",
+      "configurePreset": "default",
+      "targets": ["install"]
+    }
+  ],
+  "testPresets": [
+    {
+      "name": "default",
+      "configurePreset": "default",
+      "output": {"outputOnFailure": true},
+      "execution": {"noTestsAction": "error", "stopOnFailure": true}
+    }
+  ],
+  "packagePresets": [
+    {
+      "name": "default",
+      "configurePreset": "default",
+      "generators": [
+        "TGZ"
+      ]
+    }
+  ],
+  "workflowPresets": [
+    {
+      "name": "default",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "default"
+        },
+        {
+          "type": "build",
+          "name": "default"
+        },
+        {
+          "type": "test",
+          "name": "default"
+        },
+        {
+          "type": "build",
+          "name": "install"
+        },
+        {
+          "type": "package",
+          "name": "default"
+        }
+      ]
+    }
+  ]
+}