(#12175) entt: improve support of conan v2 & add test_v1_package

* improve support of conan v2

* self.info.clear() instead of self.info.header_only()

recipes/entt/3.x.x/conanfile.py

@@ -1,10 +1,11 @@
 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 conans import tools as tools_legacy
+from conan.tools.layout import basic_layout
 import os
 
-required_conan_version = ">=1.47.0"
+required_conan_version = ">=1.50.0"
 
 
 class EnttConan(ConanFile):
@@ -17,17 +18,14 @@ class EnttConan(ConanFile):
     no_copy_source = True
     settings = "os", "arch", "compiler", "build_type"
 
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
-
     def package_id(self):
-        self.info.header_only()
+        self.info.clear()
 
     def validate(self):
+        # TODO: use self.info.settings in validate() instead of self.settings
         minimal_cpp_standard = "17"
         if self.settings.compiler.get_safe("cppstd"):
-            tools_legacy.check_min_cppstd(self, minimal_cpp_standard)
+            check_min_cppstd(self, minimal_cpp_standard)
 
         minimal_version = {
             "Visual Studio": "15.9",
@@ -55,15 +53,19 @@ def lazy_lt_semver(v1, v2):
             raise ConanInvalidConfiguration(
                 "%s requires a compiler that supports at least C++%s" % (self.name, minimal_cpp_standard))
 
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
     def source(self):
         get(self, **self.conan_data["sources"][self.version],
-            destination=self._source_subfolder, strip_root=True)
+            destination=self.source_folder, strip_root=True)
+
+    def build(self):
+        pass
 
     def package(self):
-        copy(self, pattern="LICENSE", src=os.path.join(self.source_folder, self._source_subfolder),
-             dst=os.path.join(self.package_folder, "licenses"))
-        copy(self, pattern="*", src=os.path.join(self.source_folder, self._source_subfolder, "src"),
-             dst=os.path.join(self.package_folder, "include"))
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        copy(self, "*", src=os.path.join(self.source_folder, "src"), dst=os.path.join(self.package_folder, "include"))
 
     def package_info(self):
         self.cpp_info.set_property("cmake_file_name", "EnTT")

recipes/entt/3.x.x/test_v1_package/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.8)
+project(test_package LANGUAGES CXX)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(EnTT REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} ../test_package/test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE EnTT::EnTT)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
+if(EnTT_VERSION VERSION_LESS "3.4.0")
+    target_compile_definitions(${PROJECT_NAME} PRIVATE "ENTT_LESS_3_4_0")
+endif()

recipes/entt/3.x.x/test_v1_package/conanfile.py

@@ -0,0 +1,18 @@
+# pylint: skip-file
+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)