(#12894) magic_enum: conan v2 support

recipes/magic_enum/all/conanfile.py

@@ -1,29 +1,31 @@
-from conans import ConanFile, tools
-from conans.errors import ConanInvalidConfiguration
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import check_min_cppstd
+from conan.tools.files import copy, get
+from conan.tools.layout import basic_layout
+from conan.tools.scm import Version
 import os
 
+required_conan_version = ">=1.50.0"
+
+
 class MagicEnumConan(ConanFile):
     name = "magic_enum"
-    description = "Header-only C++17 library provides static reflection for enums, work with any enum type without any macro or boilerplate code."
-    topics = (
-        "conan",
-        "cplusplus",
-        "enum-to-string",
-        "string-to-enum"
-        "serialization",
-        "reflection",
-        "header-only",
-        "compile-time"
+    description = (
+        "Header-only C++17 library provides static reflection for enums, work "
+        "with any enum type without any macro or boilerplate code."
     )
-    url = "https://github.com/conan-io/conan-center-index "
+    topics = ("cplusplus", "enum-to-string", "string-to-enum", "serialization",
+              "reflection", "header-only", "compile-time")
+    url = "https://github.com/conan-io/conan-center-index"
     homepage = "https://github.com/Neargye/magic_enum"
     license = "MIT"
-    settings = "compiler", "arch", "build_type", "os"
+    settings = "os", "arch", "compiler", "build_type"
     no_copy_source = True
 
     @property
-    def _source_subfolder(self):
-        return "source_subfolder"
+    def _min_cppstd(self):
+        return "17"
 
     @property
     def _compilers_minimum_version(self):
@@ -34,25 +36,36 @@ def _compilers_minimum_version(self):
             "apple-clang": "10",
         }
 
-    def configure(self):
-        if self.settings.compiler.get_safe("cppstd"):
-            tools.check_min_cppstd(self, "17")
-        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
-        if not minimum_version:
-            self.output.warn("magic_enum requires C++17. Your compiler is unknown. Assuming it supports C++17.")
-        elif tools.Version(self.settings.compiler.version) < minimum_version:
-            raise ConanInvalidConfiguration("magic_enum: Unsupported compiler: {}-{} "
-                                            "(https://github.com/Neargye/magic_enum#compiler-compatibility)."
-                                            .format(self.settings.compiler, self.settings.compiler.version))
+    def layout(self):
+        basic_layout(self, src_folder="src")
 
     def package_id(self):
-        self.info.header_only()
+        self.info.clear()
+
+    def validate(self):
+        if self.settings.compiler.get_safe("cppstd"):
+            check_min_cppstd(self, self._min_cppstd)
+        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
+        if minimum_version and Version(self.settings.compiler.version) < minimum_version:
+            raise ConanInvalidConfiguration(
+                f"{self.ref} requires C++{self._min_cppstd}, which your compiler does not support.",
+            )
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version])
-        extracted_dir = self.name + "-" + self.version
-        os.rename(extracted_dir, self._source_subfolder)
+        get(self, **self.conan_data["sources"][self.version],
+            destination=self.source_folder, strip_root=True)
+
+    def build(self):
+        pass
 
     def package(self):
-        self.copy("*", dst="include", src=os.path.join(self._source_subfolder, "include"))
-        self.copy("LICENSE", dst="licenses" , src=self._source_subfolder)
+        copy(self, "*", src=os.path.join(self.source_folder, "include"), dst=os.path.join(self.package_folder, "include"))
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "magic_enum")
+        self.cpp_info.set_property("cmake_target_name", "magic_enum::magic_enum")
+        self.cpp_info.bindirs = []
+        self.cpp_info.frameworkdirs = []
+        self.cpp_info.libdirs = []
+        self.cpp_info.resdirs = []

recipes/magic_enum/all/test_package/CMakeLists.txt

@@ -1,11 +1,8 @@
 cmake_minimum_required(VERSION 3.8)
-project(test_package)
-
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup(TARGETS)
+project(test_package LANGUAGES CXX)
 
 find_package(magic_enum REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)
-set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 17)
-target_link_libraries(${PROJECT_NAME} magic_enum::magic_enum)
+target_link_libraries(${PROJECT_NAME} PRIVATE magic_enum::magic_enum)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)

recipes/magic_enum/all/test_package/conanfile.py

@@ -1,17 +1,26 @@
-from conans import ConanFile, CMake, tools
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
 import os
 
 
 class TestPackageConan(ConanFile):
-    settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake", "cmake_find_package_multi"
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeToolchain", "CMakeDeps", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
 
     def build(self):
         cmake = CMake(self)
         cmake.configure()
         cmake.build()
 
     def test(self):
-        if not tools.cross_building(self.settings):
-            bin_path = os.path.join("bin", "test_package")
-            self.run(bin_path, run_environment=True)
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/magic_enum/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.8)
+project(test_package LANGUAGES CXX)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(magic_enum REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} ../test_package/test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE magic_enum::magic_enum)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)

recipes/magic_enum/all/test_v1_package/conanfile.py

@@ -0,0 +1,17 @@
+from conans import ConanFile, CMake, tools
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)