from conan import ConanFile from conan.errors import ConanInvalidConfiguration from conan.tools.build import check_min_cppstd from conan.tools.cmake import CMake, CMakeToolchain, CMakeDeps, cmake_layout from conan.tools.files import get, copy, rmdir, replace_in_file, apply_conandata_patches, export_conandata_patches from conan.tools.microsoft import is_msvc_static_runtime from conan.tools.scm import Version import os required_conan_version = ">=1.53.0" class SpdlogConan(ConanFile): name = "spdlog" package_type = "library" description = "Fast C++ logging library" url = "https://github.com/conan-io/conan-center-index" homepage = "https://github.com/gabime/spdlog" topics = ("logger", "logging", "log-filtering", "file sink", "header-only") license = "MIT" settings = "os", "arch", "compiler", "build_type" options = { "shared": [True, False], "fPIC": [True, False], "header_only": [True, False], "wchar_support": [True, False], "wchar_filenames": [True, False], "wchar_console": [True, False], "no_exceptions": [True, False], "use_std_fmt": [True, False], } default_options = { "shared": False, "fPIC": True, "header_only": False, "wchar_support": False, "wchar_filenames": False, "wchar_console": False, "no_exceptions": False, "use_std_fmt": False, } def export_sources(self): export_conandata_patches(self) def config_options(self): if self.settings.os == "Windows": del self.options.fPIC else: del self.options.wchar_support del self.options.wchar_filenames del self.options.wchar_console if Version(self.version) < "1.10.0": del self.options.use_std_fmt if Version(self.version) < "1.15.0": self.options.rm_safe("wchar_console") def configure(self): if self.options.get_safe("shared") or self.options.header_only: self.options.rm_safe("fPIC") if self.options.header_only: self.options.rm_safe("shared") def layout(self): cmake_layout(self, src_folder="src") def requirements(self): if not self.options.get_safe("use_std_fmt"): fmt_version = self.conan_data["fmt_version_mapping"][self.version] self.requires(f"fmt/{fmt_version}", transitive_headers=True, transitive_libs=True) def package_id(self): if self.info.options.header_only: self.info.clear() @property def _std_fmt_compilers_minimum_version(self): return { "gcc": "13", "clang": "14", "apple-clang": "15", "Visual Studio": "16", "msvc": "192", } def validate(self): if self.options.get_safe("use_std_fmt"): check_min_cppstd(self, 20) else: check_min_cppstd(self, 11) if self.options.get_safe("shared") and is_msvc_static_runtime(self): raise ConanInvalidConfiguration("Visual Studio build for shared library with MT runtime is not supported") if self.options.get_safe("use_std_fmt"): compiler_name = str(self.settings.compiler) minimum_version = self._std_fmt_compilers_minimum_version.get(compiler_name, False) if not minimum_version: self.output.warning(f"{self.name} recipe lacks information about the {compiler_name} compiler support.") elif Version(self.settings.compiler.version) < minimum_version: raise ConanInvalidConfiguration( f"{self.ref} using std::fmt requires std::fmt, which your compiler does not support." ) def source(self): get(self, **self.conan_data["sources"][self.version], strip_root=True) def generate(self): if not self.options.header_only: tc = CMakeToolchain(self) tc.cache_variables["SPDLOG_BUILD_EXAMPLE"] = False tc.cache_variables["SPDLOG_BUILD_EXAMPLE_HO"] = False tc.cache_variables["SPDLOG_BUILD_TESTS"] = False tc.cache_variables["SPDLOG_BUILD_TESTS_HO"] = False tc.cache_variables["SPDLOG_BUILD_BENCH"] = False if not self.options.get_safe("use_std_fmt"): fmt = self.dependencies["fmt"] tc.cache_variables["SPDLOG_FMT_EXTERNAL"] = not fmt.options.header_only tc.cache_variables["SPDLOG_FMT_EXTERNAL_HO"] = fmt.options.header_only tc.cache_variables["SPDLOG_BUILD_SHARED"] = not self.options.header_only and self.options.shared tc.cache_variables["SPDLOG_WCHAR_SUPPORT"] = self.options.get_safe("wchar_support", False) tc.cache_variables["SPDLOG_WCHAR_FILENAMES"] = self.options.get_safe("wchar_filenames", False) if Version(self.version) >= "1.15.0": tc.cache_variables["SPDLOG_WCHAR_CONSOLE"] = self.options.get_safe("wchar_console", False) tc.cache_variables["SPDLOG_INSTALL"] = True tc.cache_variables["SPDLOG_NO_EXCEPTIONS"] = self.options.no_exceptions tc.cache_variables["SPDLOG_USE_STD_FORMAT"] = self.options.get_safe("use_std_fmt") if self.settings.os in ("iOS", "tvOS", "watchOS"): tc.cache_variables["SPDLOG_NO_TLS"] = True tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0091"] = "NEW" tc.generate() cmake_deps = CMakeDeps(self) cmake_deps.generate() def _patch_sources(self): apply_conandata_patches(self) replace_in_file(self, os.path.join(self.source_folder, "cmake", "utils.cmake"), "/WX", "") # This is properly set in later versions if self.options.get_safe("use_std_fmt") and Version(self.version) < "1.12": replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"), "CMAKE_CXX_STANDARD 11", "CMAKE_CXX_STANDARD 20") def build(self): self._patch_sources() if not self.options.header_only: 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) if self.options.header_only: copy(self, src=os.path.join(self.source_folder, "include"), pattern="*.h", dst=os.path.join(self.package_folder, "include"), # Unvendor bundled dependencies https://github.com/gabime/spdlog/commit/18495bf25dad3a4e8c2fe3777a5f79acecde27e3 excludes=("spdlog/fmt/bundled/*")) else: cmake = CMake(self) cmake.install() rmdir(self, os.path.join(self.package_folder, "lib", "cmake")) rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig")) rmdir(self, os.path.join(self.package_folder, "lib", "spdlog", "cmake")) def package_info(self): target = "spdlog_header_only" if self.options.header_only else "spdlog" self.cpp_info.set_property("cmake_file_name", "spdlog") self.cpp_info.set_property("cmake_target_name", f"spdlog::{target}") self.cpp_info.set_property("pkg_config_name", "spdlog") # TODO: back to global scope in conan v2 once legacy generators removed self.cpp_info.components["libspdlog"].set_property("cmake_target_name", f"spdlog::{target}") if self.options.get_safe("use_std_fmt"): self.cpp_info.components["libspdlog"].defines.append("SPDLOG_USE_STD_FORMAT") else: self.cpp_info.components["libspdlog"].requires = ["fmt::fmt"] self.cpp_info.components["libspdlog"].defines.append("SPDLOG_FMT_EXTERNAL") if self.options.header_only: self.cpp_info.components["libspdlog"].libdirs = [] else: suffix = "d" if self.settings.build_type == "Debug" else "" self.cpp_info.components["libspdlog"].libs = [f"spdlog{suffix}"] self.cpp_info.components["libspdlog"].defines.append("SPDLOG_COMPILED_LIB") if self.options.get_safe("wchar_support"): self.cpp_info.components["libspdlog"].defines.append("SPDLOG_WCHAR_TO_UTF8_SUPPORT") if self.options.get_safe("wchar_filenames"): self.cpp_info.components["libspdlog"].defines.append("SPDLOG_WCHAR_FILENAMES") if self.options.get_safe("wchar_console"): self.cpp_info.components["libspdlog"].defines.append("SPDLOG_UTF8_TO_WCHAR_CONSOLE") if self.options.no_exceptions: self.cpp_info.components["libspdlog"].defines.append("SPDLOG_NO_EXCEPTIONS") if self.settings.os in ["Linux", "FreeBSD"]: self.cpp_info.components["libspdlog"].system_libs = ["pthread"] if self.options.header_only and self.settings.os in ("iOS", "tvOS", "watchOS"): self.cpp_info.components["libspdlog"].defines.append("SPDLOG_NO_TLS")