conanfile.py

from conans import ConanFile, CMake, tools
from conans.errors import ConanInvalidConfiguration
import os

required_conan_version = ">=1.32.0"


class CubicInterpolationConan(ConanFile):
    name = "cubicinterpolation"
    homepage = "https://github.com/MaxSac/cubic_interpolation"
    license = "MIT"
    url = "https://github.com/conan-io/conan-center-index"
    description = "Leightweight interpolation library based on boost and eigen."
    topics = ("interpolation", "splines", "cubic", "bicubic", "boost", "eigen3")

    settings = "os", "compiler", "build_type", "arch"
    options = {
        "shared": [True, False],
        "fPIC": [True, False],
    }
    default_options = {
        "shared": True,
        "fPIC": True
    }

    exports_sources = "*"
    generators = "cmake_find_package", "cmake_paths"
    _cmake = None

    # def config_options(self):
    #     if self.settings.os == "Windows":
    #         del self.options.fPIC

    # def configure(self):
    #     if self.options.shared:
    #         del self.options.fPIC

    def requirements(self):
        self.requires("boost/1.72.0")
        self.requires("eigen/3.3.9")

    @property
    def _minimum_compilers_version(self):
        return {
            "Visual Studio": "16",
            "gcc": "5",
            "clang": "5",
            "apple-clang": "5.1",
        }

    @property
    def _required_boost_components(self):
        return ["filesystem", "math", "serialization"]

    def validate(self):
        miss_boost_required_comp = any(getattr(self.options["boost"], "without_{}".format(boost_comp), True) for boost_comp in self._required_boost_components)
        if self.options["boost"].header_only or miss_boost_required_comp:
            raise ConanInvalidConfiguration("{0} requires non header-only boost with these components: {1}".format(self.name, ", ".join(self._required_boost_components)))

        if self.settings.compiler.cppstd:
            tools.check_min_cppstd(self, "14")

        minimum_version = self._minimum_compilers_version.get(
            str(self.settings.compiler), False
        )
        if not minimum_version:
            self.output.warn(
                "CubicInterpolation requires C++14. Your compiler is unknown. Assuming it supports C++14."
            )
        elif tools.Version(self.settings.compiler.version) < minimum_version:
            raise ConanInvalidConfiguration(
                "CubicInterpolation requires C++14, which your compiler does not support."
            )

        if self.settings.compiler == "Visual Studio" and self.options.shared:
            raise ConanInvalidConfiguration("cubicinterpolation shared is not supported with Visual Studio")

    def _configure_cmake(self):
        if self._cmake:
            return self._cmake
        self._cmake = CMake(self)
        self._cmake.definitions["BUILD_EXAMPLE"] = False
        self._cmake.definitions["BUILD_DOCUMENTATION"] = False
        self._cmake.configure()
        return self._cmake

    def build(self):
        cmake = self._configure_cmake()
        cmake.build()

    def package(self):
        self.copy("LICENSE", dst="licenses" )
        cmake = self._configure_cmake()
        cmake.install()
        tools.rmdir(os.path.join(self.package_folder, "lib", "cmake"))

    def package_info(self):
        self.cpp_info.names["cmake_find_package"] = "CubicInterpolation"
        self.cpp_info.names["cmake_find_package_multi"] = "CubicInterpolation"
        self.cpp_info.libs = ["CubicInterpolation"]
        self.cpp_info.requires = ["boost::headers", "boost::filesystem", "boost::math", "boost::serialization", "eigen::eigen"]