conanfile.py

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


class CompressorRecipe(ConanFile):
    name = "knapsack"
    version = "1.0"
    license = "BSL-1.0"
    description = "Efficient implementations of simple branch and bound and dynamic programming algorithms for 0-1 and unbounded Knapsack problems."
    homepage = "https://github.com/fhamonic/knapsack.git"
    # url = ""
    settings = "compiler", "build_type"
    package_type = "header-library"
    exports_sources = "include/*", "cmake/*", "CMakeLists.txt", "test/*"
    no_copy_source = True
    generators = "CMakeToolchain", "CMakeDeps"
    build_policy = "missing"

    def requirements(self):
        self.requires("range-v3/[>=0.11.0]")

    def build_requirements(self):
        self.tool_requires("cmake/[>=3.19.0]")
        self.test_requires("gtest/[>=1.10.0 <cci]")

    def generate(self):
        print("conanfile.py: IDE include dirs:")
        for lib, dep in self.dependencies.items():
            if not lib.headers:
                continue
            for inc in dep.cpp_info.includedirs:
                print("\t" + inc)

    def validate(self):
        check_min_cppstd(self, 20)

    def package(self):
        copy(self, "*.hpp", self.source_folder, self.package_folder)

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

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