conanfile.py

from conan import ConanFile
from conan.tools.scm import Version
from conan.tools.files import get, copy, apply_conandata_patches, export_conandata_patches
from conan.tools.layout import basic_layout
import os

required_conan_version = ">=1.52.0"

class JwtCppConan(ConanFile):
    name = "jwt-cpp"
    description = "A C++ JSON Web Token library for encoding/decoding"
    license = "MIT"
    url = "https://github.com/conan-io/conan-center-index"
    homepage = "https://github.com/Thalhammer/jwt-cpp"
    topics = ("json", "jwt", "jws", "jwe", "jwk", "jwks", "jose", "header-only")
    package_type = "header-library"
    settings = "os", "arch", "compiler", "build_type"

    options = { "with_picojson": [True, False] }
    default_options = { "with_picojson" : False }

    @property
    def _with_picojson(self):
        return Version(self.version) < "0.5.0" or self.options.with_picojson

    def export_sources(self):
        export_conandata_patches(self)

    def layout(self):
        basic_layout(self, src_folder="src")

    def requirements(self):
        self.requires("openssl/[>=1.1 <4]")
        if self._with_picojson:
            self.requires("picojson/1.3.0")

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

    def source(self):
        get(self, **self.conan_data["sources"][self.version], strip_root=True)

    def build(self):
        apply_conandata_patches(self)

    def package(self):
        header_dir = os.path.join(self.source_folder, "include", "jwt-cpp")
        copy(self, pattern="*.h", dst=os.path.join(self.package_folder, "include", "jwt-cpp"), src=header_dir, keep_path=True)
        copy(self, "LICENSE", dst=os.path.join(self.package_folder,"licenses"), src=self.source_folder)

    def package_info(self):
        self.cpp_info.bindirs = []
        self.cpp_info.libdirs = []
        self.cpp_info.requires = ["openssl::openssl"]
        if self._with_picojson:
            self.cpp_info.requires.append("picojson::picojson")
        else:
            self.cpp_info.defines.append("JWT_DISABLE_PICOJSON")
        self.cpp_info.set_property("cmake_file_name", "jwt-cpp")
        self.cpp_info.set_property("cmake_target_name", "jwt-cpp::jwt-cpp")