conanfile.py

#!/usr/bin/python
#
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from conan import ConanFile
from conan.tools.cmake import CMake, cmake_layout
from conan.tools.files import copy
from conan.tools.build import check_min_cppstd
import os


required_conan_version = ">=2.0.6"


class libhal_conan(ConanFile):
    name = "libhal"
    version = "2.2.0"
    license = "Apache-2.0"
    url = "https://github.com/conan-io/conan-center-index"
    homepage = "https://libhal.github.io/libhal"
    description = ("A collection of interfaces and abstractions for embedded "
                   "peripherals and devices using modern C++")
    topics = ("peripherals", "hardware", "abstraction", "devices", "hal")
    settings = "compiler", "build_type", "os", "arch"
    exports_sources = "include/*", "tests/*", "CMakeLists.txt", "LICENSE"
    package_type = "header-library"
    generators = "CMakeToolchain", "CMakeDeps"
    no_copy_source = True

    @property
    def _min_cppstd(self):
        return "20"

    @property
    def _compilers_minimum_version(self):
        return {
            "gcc": "11",
            "clang": "14",
            "apple-clang": "14.0.0"
        }

    @property
    def _bare_metal(self):
        return self.settings.os == "baremetal"

    def validate(self):
        if self.settings.get_safe("compiler.cppstd"):
            check_min_cppstd(self, self._min_cppstd)

    def build_requirements(self):
        self.tool_requires("cmake/3.27.1")
        self.tool_requires("libhal-cmake-util/3.0.1")
        self.test_requires("boost-ext-ut/1.1.9")

    def requirements(self):
        self.requires("tl-function-ref/1.0.0")
        self.requires("boost-leaf/1.83.0")

    def layout(self):
        cmake_layout(self)

    def build(self):
        cmake = CMake(self)
        cmake.configure()
        cmake.build()

    def package(self):
        copy(self, "LICENSE", dst=os.path.join(
            self.package_folder, "licenses"), src=self.source_folder)
        copy(self, "*.h", dst=os.path.join(self.package_folder, "include"),
             src=os.path.join(self.source_folder, "include"))
        copy(self, "*.hpp", dst=os.path.join(self.package_folder,
             "include"), src=os.path.join(self.source_folder, "include"))

    def package_info(self):
        self.cpp_info.bindirs = []
        self.cpp_info.frameworkdirs = []
        self.cpp_info.libdirs = []
        self.cpp_info.resdirs = []

        if self._bare_metal:
            self.cpp_info.defines = [
                "BOOST_LEAF_EMBEDDED",
                # TODO(#694): Remove this or have it be configurable. Users
                # should not be forced to operate without thread support
                "BOOST_LEAF_NO_THREADS"
            ]

    def package_id(self):
        self.info.clear()