move the installation logic to the top-level of cmakelists

discussion: https://github.com/BlackMATov/meta.hpp/issues/119

CMakeLists.txt

@@ -41,6 +41,9 @@ project(meta.hpp
 option(META_HPP_NO_EXCEPTIONS "Don't use exceptions" OFF)
 option(META_HPP_NO_RTTI "Don't use RTTI" OFF)
 
+option(META_HPP_DEVELOP "Generate develop targets" OFF)
+option(META_HPP_INSTALL "Generate install targets" ${PROJECT_IS_TOP_LEVEL})
+
 #
 # library
 #
@@ -69,7 +72,59 @@ target_link_libraries(${PROJECT_NAME} INTERFACE Threads::Threads)
 # develop
 #
 
-if(PROJECT_IS_TOP_LEVEL)
+if(META_HPP_DEVELOP)
     enable_testing()
     add_subdirectory(develop)
 endif()
+
+#
+# install
+#
+
+if(META_HPP_INSTALL)
+    include(CMakePackageConfigHelpers)
+    include(GNUInstallDirs)
+
+    set(META_HPP_INSTALL_CONFIG_DIR
+        "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+
+    set(META_HPP_INSTALL_CONFIG_INPUT
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.cmake.in")
+
+    set(META_HPP_INSTALL_CONFIG_CMAKE
+        "${CMAKE_CURRENT_BINARY_DIR}/configs/${PROJECT_NAME}-config.cmake")
+
+    set(META_HPP_INSTALL_CONFIG_VERSION_CMAKE
+        "${CMAKE_CURRENT_BINARY_DIR}/configs/${PROJECT_NAME}-config-version.cmake")
+
+    configure_package_config_file(
+        "${META_HPP_INSTALL_CONFIG_INPUT}"
+        "${META_HPP_INSTALL_CONFIG_CMAKE}"
+        INSTALL_DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}"
+        NO_SET_AND_CHECK_MACRO)
+
+    write_basic_package_version_file(
+        "${META_HPP_INSTALL_CONFIG_VERSION_CMAKE}"
+        VERSION ${PROJECT_VERSION}
+        COMPATIBILITY AnyNewerVersion
+        ARCH_INDEPENDENT)
+
+    install(
+        TARGETS ${PROJECT_NAME}
+        EXPORT ${PROJECT_NAME}-targets)
+
+    install(
+        DIRECTORY headers/${PROJECT_NAME}
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+
+    install(
+        EXPORT ${PROJECT_NAME}-targets
+        FILE ${PROJECT_NAME}-targets.cmake
+        NAMESPACE ${PROJECT_NAME}::
+        DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}")
+
+    install(
+        FILES "${META_HPP_INSTALL_CONFIG_CMAKE}"
+              "${META_HPP_INSTALL_CONFIG_VERSION_CMAKE}"
+        DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}")
+endif()

CMakePresets.json

@@ -7,19 +7,21 @@
     },
     "configurePresets": [
         {
-            "name": "ninja-base",
+            "name": "develop-base",
             "hidden": true,
             "generator": "Ninja Multi-Config",
             "binaryDir": "${sourceDir}/develop/build/${presetName}",
             "installDir": "${sourceDir}/develop/install/${presetName}",
             "cacheVariables": {
+                "META_HPP_DEVELOP": true,
+                "META_HPP_INSTALL": true,
                 "CMAKE_EXPORT_COMPILE_COMMANDS": true
             }
         },
         {
             "name": "linux-base",
             "hidden": true,
-            "inherits": "ninja-base",
+            "inherits": "develop-base",
             "condition": {
                 "type": "equals",
                 "lhs": "${hostSystemName}",
@@ -61,7 +63,7 @@
         {
             "name": "macos-base",
             "hidden": true,
-            "inherits": "ninja-base",
+            "inherits": "develop-base",
             "condition": {
                 "type": "equals",
                 "lhs": "${hostSystemName}",
@@ -80,21 +82,21 @@
             "name": "macos-arm64-san",
             "inherits": "macos-arm64",
             "cacheVariables": {
-                "BUILD_WITH_SANITIZERS": true
+                "META_HPP_DEVELOP_WITH_SANITIZERS": true
             }
         },
         {
             "name": "macos-arm64-san-no-exceptions",
             "inherits": "macos-arm64-san",
             "cacheVariables": {
-                "BUILD_WITH_NO_EXCEPTIONS": true
+                "META_HPP_DEVELOP_WITH_NO_EXCEPTIONS": true
             }
         },
         {
             "name": "macos-arm64-san-no-rtti",
             "inherits": "macos-arm64-san",
             "cacheVariables": {
-                "BUILD_WITH_NO_RTTI": true
+                "META_HPP_DEVELOP_WITH_NO_RTTI": true
             }
         },
         {
@@ -109,27 +111,27 @@
             "name": "macos-x64-san",
             "inherits": "macos-x64",
             "cacheVariables": {
-                "BUILD_WITH_SANITIZERS": true
+                "META_HPP_DEVELOP_WITH_SANITIZERS": true
             }
         },
         {
             "name": "macos-x64-san-no-exceptions",
             "inherits": "macos-x64-san",
             "cacheVariables": {
-                "BUILD_WITH_NO_EXCEPTIONS": true
+                "META_HPP_DEVELOP_WITH_NO_EXCEPTIONS": true
             }
         },
         {
             "name": "macos-x64-san-no-rtti",
             "inherits": "macos-x64-san",
             "cacheVariables": {
-                "BUILD_WITH_NO_RTTI": true
+                "META_HPP_DEVELOP_WITH_NO_RTTI": true
             }
         },
         {
             "name": "windows-base",
             "hidden": true,
-            "inherits": "ninja-base",
+            "inherits": "develop-base",
             "condition": {
                 "type": "equals",
                 "lhs": "${hostSystemName}",

develop/CMakeLists.txt

@@ -1,7 +1,7 @@
-option(BUILD_WITH_COVERAGE "Build with coverage" OFF)
+option(META_HPP_DEVELOP_WITH_COVERAGE "Build develop targets with coverage" OFF)
-option(BUILD_WITH_SANITIZERS "Build with sanitizers" OFF)
+option(META_HPP_DEVELOP_WITH_SANITIZERS "Build develop targets with sanitizers" OFF)
-option(BUILD_WITH_NO_EXCEPTIONS "Build with no exceptions" ${META_HPP_NO_EXCEPTIONS})
+option(META_HPP_DEVELOP_WITH_NO_EXCEPTIONS "Build develop targets with no exceptions" ${META_HPP_NO_EXCEPTIONS})
-option(BUILD_WITH_NO_RTTI "Build with no RTTI" ${META_HPP_NO_RTTI})
+option(META_HPP_DEVELOP_WITH_NO_RTTI "Build develop targets with no RTTI" ${META_HPP_NO_RTTI})
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "CMake")
@@ -20,53 +20,3 @@ add_subdirectory(unbench)
 add_subdirectory(unshared)
 add_subdirectory(untests)
 add_subdirectory(vendors)
-
-#
-# install
-#
-
-include(CMakePackageConfigHelpers)
-include(GNUInstallDirs)
-
-set(META_HPP_INSTALL_CONFIG_DIR
-    "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
-
-set(META_HPP_INSTALL_CONFIG_INPUT
-    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in")
-
-set(META_HPP_INSTALL_GENERATED_CONFIG_CMAKE
-    "${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config.cmake")
-
-set(META_HPP_INSTALL_GENERATED_CONFIG_VERSION_CMAKE
-    "${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config-version.cmake")
-
-configure_package_config_file(
-    "${META_HPP_INSTALL_CONFIG_INPUT}"
-    "${META_HPP_INSTALL_GENERATED_CONFIG_CMAKE}"
-    INSTALL_DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}"
-    NO_SET_AND_CHECK_MACRO)
-
-write_basic_package_version_file(
-    "${META_HPP_INSTALL_GENERATED_CONFIG_VERSION_CMAKE}"
-    VERSION ${PROJECT_VERSION}
-    COMPATIBILITY AnyNewerVersion
-    ARCH_INDEPENDENT)
-
-install(
-    TARGETS ${PROJECT_NAME}
-    EXPORT ${PROJECT_NAME}-targets)
-
-install(
-    DIRECTORY singles/headers/${PROJECT_NAME}
-    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
-
-install(
-    EXPORT ${PROJECT_NAME}-targets
-    FILE ${PROJECT_NAME}-targets.cmake
-    NAMESPACE ${PROJECT_NAME}::
-    DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}")
-
-install(
-    FILES "${META_HPP_INSTALL_GENERATED_CONFIG_CMAKE}"
-          "${META_HPP_INSTALL_GENERATED_CONFIG_VERSION_CMAKE}"
-    DESTINATION "${META_HPP_INSTALL_CONFIG_DIR}")

develop/cmake/SetupTargets.cmake

@@ -25,15 +25,15 @@ target_compile_options(${PROJECT_NAME}.setup_targets INTERFACE
         >)
 
 target_link_libraries(${PROJECT_NAME}.setup_targets INTERFACE
-    $<$<BOOL:${BUILD_WITH_COVERAGE}>:
+    $<$<BOOL:${META_HPP_DEVELOP_WITH_COVERAGE}>:
         meta.hpp::enable_gcov>
-    $<$<BOOL:${BUILD_WITH_SANITIZERS}>:
+    $<$<BOOL:${META_HPP_DEVELOP_WITH_SANITIZERS}>:
         meta.hpp::enable_asan
         meta.hpp::enable_ubsan>
-    $<$<BOOL:${BUILD_WITH_NO_EXCEPTIONS}>:
+    $<$<BOOL:${META_HPP_DEVELOP_WITH_NO_EXCEPTIONS}>:
         meta.hpp::disable_exceptions>
-    $<$<BOOL:${BUILD_WITH_NO_RTTI}>:
+    $<$<BOOL:${META_HPP_DEVELOP_WITH_NO_RTTI}>:
         meta.hpp::disable_rtti>)
 
 target_compile_definitions(${PROJECT_NAME}.setup_targets INTERFACE
-    $<$<BOOL:${BUILD_WITH_SANITIZERS}>:META_HPP_SANITIZERS>)
+    $<$<BOOL:${META_HPP_DEVELOP_WITH_SANITIZERS}>:META_HPP_SANITIZERS>)