(#14312) cpu_features: conan v2 support

Author: SpaceIm

recipes/cpu_features/all/CMakeLists.txt

@@ -6,9 +6,7 @@ sources:
     url: "https://github.com/google/cpu_features/archive/refs/tags/v0.6.0.tar.gz"
     sha256: "95a1cf6f24948031df114798a97eea2a71143bd38a4d07d9a758dda3924c1932"
 patches:
-  "0.6.0":
-    - patch_file: "patches/0.6.0-0001-fix-bundle-install.patch"
-      base_path: "source_subfolder"
   "0.7.0":
     - patch_file: "patches/0.7.0-0001-support-aarch64-macos.patch"
-      base_path: "source_subfolder"
+  "0.6.0":
+    - patch_file: "patches/0.6.0-0001-fix-bundle-install.patch"

recipes/cpu_features/all/conandata.yml

@@ -1,7 +1,11 @@
-from conans import ConanFile, CMake, tools
+from conan import ConanFile
+from conan.tools.apple import is_apple_os
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rmdir
+from conan.tools.scm import Version
 import os
 
-required_conan_version = ">=1.43.0"
+required_conan_version = ">=1.53.0"
 
 
 class CpuFeaturesConan(ConanFile):
@@ -22,57 +26,49 @@ class CpuFeaturesConan(ConanFile):
         "fPIC": True,
     }
 
-    generators = "cmake",
-    _cmake = None
-
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
-
     def export_sources(self):
-        self.copy("CMakeLists.txt")
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            self.copy(patch["patch_file"])
+        export_conandata_patches(self)
 
     def config_options(self):
         if self.settings.os == "Windows":
             del self.options.fPIC
 
     def configure(self):
         if self.options.shared:
-            del self.options.fPIC
-        del self.settings.compiler.libcxx
-        del self.settings.compiler.cppstd
+            self.options.rm_safe("fPIC")
+        self.settings.compiler.rm_safe("cppstd")
+        self.settings.compiler.rm_safe("libcxx")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version],
-                  strip_root=True, destination=self._source_subfolder)
-
-    def _configure_cmake(self):
-        if self._cmake:
-            return self._cmake
-        self._cmake = CMake(self)
-        if tools.Version(self.version) < "0.7.0":
-            self._cmake.definitions["BUILD_PIC"] = self.options.get_safe("fPIC", True)
-        if tools.Version(self.version) >= "0.7.0":
-            self._cmake.definitions["BUILD_TESTING"] = False
+        get(self, **self.conan_data["sources"][self.version],
+            destination=self.source_folder, strip_root=True)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        if Version(self.version) < "0.7.0":
+            tc.variables["BUILD_PIC"] = self.options.get_safe("fPIC", True)
+        if Version(self.version) >= "0.7.0":
+            tc.variables["BUILD_TESTING"] = False
         # TODO: should be handled by CMake helper
-        if tools.is_apple_os(self.settings.os) and self.settings.arch in ["armv8", "armv8_32", "armv8.3"]:
-            self._cmake.definitions["CMAKE_SYSTEM_PROCESSOR"] = "aarch64"
-        self._cmake.configure() # Does not support out of source builds
-        return self._cmake
+        if is_apple_os(self) and self.settings.arch in ["armv8", "armv8_32", "armv8.3"]:
+            tc.variables["CMAKE_SYSTEM_PROCESSOR"] = "aarch64"
+        tc.variables["CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS"] = True
+        tc.generate()
 
     def build(self):
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            tools.patch(**patch)
-        cmake = self._configure_cmake()
+        apply_conandata_patches(self)
+        cmake = CMake(self)
+        cmake.configure()
         cmake.build()
 
     def package(self):
-        self.copy("LICENSE", dst="licenses", src=self._source_subfolder)
-        cmake = self._configure_cmake()
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
         cmake.install()
-        tools.rmdir(os.path.join(self.package_folder, "lib", "cmake"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
 
     def package_info(self):
         self.cpp_info.set_property("cmake_file_name", "CpuFeatures")

recipes/cpu_features/all/conanfile.py

@@ -1,10 +1,7 @@
 cmake_minimum_required(VERSION 3.1)
-project(test_package)
+project(test_package LANGUAGES C)
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup(TARGETS)
-
-find_package(CpuFeatures CONFIG REQUIRED)
+find_package(CpuFeatures REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.c)
-target_link_libraries(${PROJECT_NAME} CpuFeatures::cpu_features)
+target_link_libraries(${PROJECT_NAME} PRIVATE CpuFeatures::cpu_features)

recipes/cpu_features/all/test_package/CMakeLists.txt

@@ -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", "arch", "compiler", "build_type"
-    generators = "cmake", "cmake_find_package_multi"
+    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):
-            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/cpu_features/all/test_package/conanfile.py

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../test_package
+                 ${CMAKE_CURRENT_BINARY_DIR}/test_package)

recipes/cpu_features/all/test_v1_package/CMakeLists.txt

@@ -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)