yomm2: new recipe

recipes/yomm2/all/conandata.yml

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+sources:
+  "1.5.1":
+    url: "https://github.com/jll63/yomm2/archive/refs/tags/v1.5.1.tar.gz"
+    sha256: "323abba27a356555cc3ead3e3e950746ab43f90d97ad21950f2ba3afaf565ecc"

recipes/yomm2/all/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import check_min_cppstd
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout, CMakeDeps
+from conan.tools.files import get, rm, rmdir, copy
+from conan.tools.scm import Version
+
+required_conan_version = ">=1.54.0"
+
+
+class yomm2Recipe(ConanFile):
+    name = "yomm2"
+    package_type = "shared-library"
+    # Optional metadata
+    license = "BSL-1.0"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/jll63/yomm2"
+    description = "Fast, orthogonal, open multi-methods. Solve the Expression Problem in C++17"
+    topics = ("multi-methods", "multiple-dispatch", "open-methods", "shared-library",
+              "header-only", "polymorphism", "expression-problem", "c++17")
+    # Binary configuration
+    settings = "os", "compiler", "build_type", "arch"
+    options = {
+        "header_only": [True, False],
+    }
+    default_options = {
+        "header_only": False
+    }
+
+    @property
+    def _min_cppstd(self):
+        return 17
+
+    @property
+    def _compilers_minimum_version(self):
+        return {
+            "gcc": "8",
+            "clang": "5",
+            "apple-clang": "12",
+            "msvc": "192"
+        }
+
+    def configure(self):
+        if self.options.header_only:
+            self.package_type = "header-library"
+
+    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 build_requirements(self):
+        self.tool_requires("cmake/[>=3.20 <4]")
+
+    def requirements(self):
+        # Upstream requires Boost 1.74
+        # Using more modern Boost version to avoid issues like the one commented here:
+        # - https://github.com/conan-io/conan/issues/15977#issuecomment-2098003085
+        self.requires("boost/1.85.0", transitive_headers=True)
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def generate(self):
+        deps = CMakeDeps(self)
+        deps.generate()
+        tc = CMakeToolchain(self)
+        tc.variables["YOMM2_ENABLE_EXAMPLES"] = "OFF"
+        tc.variables["YOMM2_ENABLE_TESTS"] = "OFF"
+        tc.variables["YOMM2_SHARED"] = not bool(self.options.header_only)
+        tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package_id(self):
+        # if yomm2 is built as static, it behaves as a header-only one
+        if self.info.options.header_only:
+            self.info.clear()
+
+    def package(self):
+        copy(self, "LICENSE", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        rm(self, "*.pdb", os.path.join(self.package_folder, "bin"))
+        if self.options.header_only:
+            rmdir(self, os.path.join(self.package_folder, "lib"))
+        else:
+            rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "YOMM2")
+        self.cpp_info.set_property("cmake_target_name", "YOMM2::yomm2")
+        if self.options.header_only:
+            self.cpp_info.bindirs = []
+            self.cpp_info.libdirs = []
+        else:
+            self.cpp_info.libs = ["yomm2"]

recipes/yomm2/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES CXX)
+
+find_package(YOMM2 REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE YOMM2::yomm2 ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)

recipes/yomm2/all/test_package/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.tools.cmake import CMake, cmake_layout
+from conan.tools.build import can_run
+
+
+class yomm2TestConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "CMakeDeps", "CMakeToolchain"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def layout(self):
+        cmake_layout(self)
+
+    def test(self):
+        if can_run(self):
+            cmd = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(cmd, env="conanrun")

recipes/yomm2/all/test_package/test_package.cpp

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+// Copyright (c) 2021 Jean-Louis Leroy
+// Distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <yorel/yomm2/keywords.hpp>
+
+#include <iostream>
+#include <memory>
+#include <string>
+
+using std::cout;
+using yorel::yomm2::virtual_;
+
+// register_class(classes);
+
+// declare_method(return, name, (params));
+
+// define_method(return, name, (params)) {
+// }
+
+int main() {
+    yorel::yomm2::update();
+    return 0;
+}

recipes/yomm2/config.yml

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+versions:
+  "1.5.1":
+    folder: all