eudev: Add recipe

recipes/eudev/all/conandata.yml

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+sources:
+  "3.2.14":
+    url: "https://github.com/eudev-project/eudev/releases/download/v3.2.14/eudev-3.2.14.tar.gz"
+    sha256: "8da4319102f24abbf7fff5ce9c416af848df163b29590e666d334cc1927f006f"

recipes/eudev/all/conanfile.py

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+import os
+import re
+
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import cross_building
+from conan.tools.env import VirtualBuildEnv, VirtualRunEnv
+from conan.tools.files import copy, get, load, rm, rmdir, save
+from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps, PkgConfigDeps
+from conan.tools.layout import basic_layout
+
+
+required_conan_version = ">=1.54.0"
+
+
+class EudevConan(ConanFile):
+    name = "eudev"
+    description = "eudev is a standalone dynamic and persistent device naming support (aka userspace devfs) daemon that runs independently from the init system."
+    license = "GPL-2.0-or-later"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/eudev-project/eudev"
+    topics = ("device", "udev")
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "hwdb": [True, False],
+        "mtd_probe": [True, False],
+        "programs": [True, False],
+        "with_kmod": [True, False],
+        "with_libblkid": [True, False],
+        "with_selinux": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "hwdb": False,
+        "mtd_probe": False,
+        "programs": True,
+        "with_kmod": True,
+        "with_libblkid": True,
+        "with_selinux": True,
+    }
+    provides = "libudev"
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.cppstd")
+        self.settings.rm_safe("compiler.libcxx")
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def requirements(self):
+        self.requires("acl/2.3.1")
+        self.requires("libcap/2.69")
+        self.requires("libxslt/1.1.34")
+        self.requires("linux-headers-generic/6.5.9")
+
+        if self.options.with_kmod:
+            self.requires("kmod/30")
+        if self.options.with_libblkid:
+            self.requires("libmount/2.39.2")
+        if self.options.with_selinux:
+            self.requires("libselinux/3.6")
+
+    def validate(self):
+        if self.settings.os != "Linux":
+            raise ConanInvalidConfiguration(f"{self.ref} is not supported on {self.settings.os}.")
+
+    def build_requirements(self):
+        self.tool_requires("gperf/3.1")
+        if not self.conf.get("tools.gnu:pkg_config", check_type=str):
+            self.tool_requires("pkgconf/2.1.0")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        env = VirtualBuildEnv(self)
+        env.generate()
+        if not cross_building(self):
+            env = VirtualRunEnv(self)
+            env.generate(scope="build")
+        tc = AutotoolsToolchain(self)
+        def yes_no(v):
+            return "yes" if v else "no"
+        tc.configure_args.extend([
+            "--sysconfdir=${prefix}/res",
+            f"--enable-programs={yes_no(self.options.programs)}",
+            f"--enable-blkid={yes_no(self.options.with_libblkid)}",
+            f"--enable-selinux={yes_no(self.options.with_selinux)}",
+            f"--enable-kmod={yes_no(self.options.with_kmod)}",
+            f"--enable-hwdb={yes_no(self.options.hwdb)}",
+            f"--enable-mtd_probe={yes_no(self.options.mtd_probe)}",
+            "--enable-manpages=no",
+        ])
+        tc.generate()
+        tc = PkgConfigDeps(self)
+        tc.generate()
+        tc = AutotoolsDeps(self)
+        tc.generate()
+
+    def build(self):
+        autotools = Autotools(self)
+        autotools.configure()
+        autotools.make()
+
+    @property
+    def _libudev_version_txt(self):
+        return os.path.join(self.package_folder, "res", f"{self.name}-libudev-version.txt")
+
+    def package(self):
+        copy(self, "COPYING", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        autotools = Autotools(self)
+        autotools.install()
+
+        pkg_config = load(self, os.path.join(self.package_folder, "lib", "pkgconfig", "libudev.pc"))
+        libudev_version = next(re.finditer("^Version: ([^\n$]+)[$\n]", pkg_config, flags=re.MULTILINE)).group(1)
+        save(self, self._libudev_version_txt, libudev_version)
+
+        rm(self, "*.la", os.path.join(self.package_folder, "lib"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+        rmdir(self, os.path.join(self.package_folder, "share"))
+
+    def package_info(self):
+        self.cpp_info.libs = ["udev"]
+        libudev_version = load(self, self._libudev_version_txt).strip()
+        self.cpp_info.set_property("pkg_config_name", "libudev")
+        self.cpp_info.set_property("system_package_version", str(libudev_version))
+        pkgconfig_variables = {
+            'exec_prefix': '${prefix}',
+        }
+        self.cpp_info.set_property(
+            "pkg_config_custom_content",
+            "\n".join(f"{key}={value}" for key, value in pkgconfig_variables.items()))
+        self.cpp_info.requires = ["acl::acl", "libcap::cap", "libxslt::xslt", "linux-headers-generic::linux-headers-generic"]
+        if self.options.with_kmod:
+            self.cpp_info.requires.append("kmod::kmod")
+        if self.options.with_libblkid:
+            self.cpp_info.requires.append("libmount::libblkid")
+        if self.options.with_selinux:
+            self.cpp_info.requires.append("libselinux::selinux")
+
+        # todo Remove this workaround for Conan v1
+        self.cpp_info.set_property("component_version", str(libudev_version))

recipes/eudev/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES C)
+
+find_package(eudev REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE eudev::eudev)

recipes/eudev/all/test_package/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+from conan.tools.gnu import PkgConfig
+from conan.tools.scm import Version
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "PkgConfigDeps", "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):
+        pkg_config = PkgConfig(self, "libudev", pkg_config_path=self.generators_folder)
+        assert Version(pkg_config.version) >= 251, f"{pkg_config.version} should be >= 251"
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/eudev/all/test_package/test_package.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <libudev.h>
+
+
+int main() {
+    struct udev *udev;
+    struct udev_enumerate *enumerate;
+
+    udev = udev_new();
+    if (!udev) {
+        fprintf(stderr, "Cannot create udev context.\n");
+        return 1;
+    }
+
+    enumerate = udev_enumerate_new(udev);
+    if (!enumerate) {
+        fprintf(stderr, "Cannot create enumerate context.\n");
+    }
+
+    udev_enumerate_unref(enumerate);
+    udev_unref(udev);
+
+    return EXIT_SUCCESS;
+}

recipes/eudev/config.yml

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+versions:
+  "3.2.14":
+    folder: all