gnuradio-volk: new recipe

recipes/gnuradio-volk/all/conandata.yml

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+sources:
+  "3.1.2":
+    url: "https://github.com/gnuradio/volk/archive/refs/tags/v3.1.2.tar.gz"
+    sha256: "90082bf68d76d00aa6c35f8bff0e93891b4204d817e1a3ba829486b445f715dc"

recipes/gnuradio-volk/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, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.env import VirtualBuildEnv, Environment
+from conan.tools.files import copy, get, rm, save, rmdir
+from conan.tools.scm import Version
+
+required_conan_version = ">=1.53.0"
+
+
+class GnuradioVolkConan(ConanFile):
+    name = "gnuradio-volk"
+    description = "VOLK is the Vector-Optimized Library of Kernels."
+    license = "LGPL-3.0-or-later"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://www.libvolk.org/"
+    topics = ("simd", "kernel", "sdr", "dsp", "gnuradio")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+    }
+
+    @property
+    def _min_cppstd(self):
+        return 17
+
+    @property
+    def _compilers_minimum_version(self):
+        return {
+            "gcc": "7",
+            "clang": "6",
+            "apple-clang": "10",
+            "Visual Studio": "15",
+            "msvc": "191",
+        }
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        # To avoid ConanInvalidConfiguration on Windows
+        self.options["cpython"].shared = True
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def requirements(self):
+        self.requires("cpu_features/0.9.0")
+        # TODO: add recipe for gstreamer-orc https://github.com/GStreamer/orc
+
+    def validate(self):
+        if self.settings.compiler.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("cpython/3.10.0")
+        # To avoid a conflict with CMake installed via pip on the system Python
+        self.tool_requires("cmake/[>=3.15 <4]")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    @property
+    def _site_packages_dir(self):
+        return os.path.join(self.build_folder, "site-packages")
+
+    def generate(self):
+        venv = VirtualBuildEnv(self)
+        venv.generate()
+
+        tc = CMakeToolchain(self)
+        tc.variables["ENABLE_STATIC_LIBS"] = not self.options.shared
+        tc.variables["ENABLE_TESTING"] = False
+        tc.variables["ENABLE_MODTOOL"] = False  # Requires Python
+        tc.variables["ENABLE_ORC"] = False  # Not available on CCI
+        tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0148"] = "OLD" # FindPythonInterp support
+        tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0077"] = "NEW" # tc.requires support
+        tc.generate()
+
+        deps = CMakeDeps(self)
+        deps.generate()
+
+        env = Environment()
+        env.append_path("PYTHONPATH", self._site_packages_dir)
+        env.append_path("PATH", os.path.join(self._site_packages_dir, "bin"))
+        env.vars(self).save_script("pythonpath")
+
+    def _patch_sources(self):
+        # Disable apps
+        save(self, os.path.join(self.source_folder, "apps", "CMakeLists.txt"), "")
+
+    def _pip_install(self, packages):
+        self.run(f"python -m pip install {' '.join(packages)} --no-cache-dir --target={self._site_packages_dir}")
+
+    def build(self):
+        self._patch_sources()
+        self._pip_install(["mako"])
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        copy(self, "COPYING", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        if not self.options.shared:
+            rm(self, "*.so*", os.path.join(self.package_folder, "lib"))
+            rm(self, "*.dylib*", os.path.join(self.package_folder, "lib"))
+            rm(self, "volk.dll.lib", os.path.join(self.package_folder, "lib"))
+            rm(self, "volk.dll", os.path.join(self.package_folder, "bin"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
+        rm(self, "*.pdb", os.path.join(self.package_folder, "lib"))
+        rm(self, "*.pdb", os.path.join(self.package_folder, "bin"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "Volk")
+        self.cpp_info.set_property("cmake_target_name", "Volk::volk")
+        self.cpp_info.set_property("pkg_config_name", "volk")
+        self.cpp_info.libs = ["volk"]
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.extend(["m", "pthread"])

recipes/gnuradio-volk/all/test_package/CMakeLists.txt

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

recipes/gnuradio-volk/all/test_package/conanfile.py

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+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+import os
+
+
+# It will become the standard on Conan 2.x
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/gnuradio-volk/all/test_package/test_package.cpp

@@ -0,0 +1,28 @@
+#include <volk/volk.h>
+
+int main() {
+    int N = 10;
+    unsigned int alignment = volk_get_alignment();
+    float* in = (float*)volk_malloc(sizeof(float)*N, alignment);
+    float* out = (float*)volk_malloc(sizeof(float)*N, alignment);
+
+    in[0] = 0.000;
+    in[1] = 0.524;
+    in[2] = 0.786;
+    in[3] = 1.047;
+    in[4] = 1.571;
+    in[5] = 1.571;
+    in[6] = 2.094;
+    in[7] = 2.356;
+    in[8] = 2.618;
+    in[9] = 3.142;
+
+    volk_32f_cos_32f(out, in, N);
+
+    for(unsigned int ii = 0; ii < N; ++ii){
+        printf("cos(%1.3f) = %1.3f\n", in[ii], out[ii]);
+    }
+
+    volk_free(in);
+    volk_free(out);
+}

recipes/gnuradio-volk/config.yml

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+versions:
+  "3.1.2":
+    folder: all