from conan import ConanFile from conan.errors import ConanInvalidConfiguration from conan.tools.apple import fix_apple_shared_install_name, is_apple_os from conan.tools.env import VirtualBuildEnv from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, mkdir, rm, rmdir from conan.tools.gnu import Autotools, AutotoolsToolchain from conan.tools.layout import basic_layout from conan.tools.microsoft import check_min_vs, is_msvc, is_msvc_static_runtime, msvc_runtime_flag, unix_path from conan.tools.scm import Version import glob import os import shutil required_conan_version = ">=1.57.0" class LibffiConan(ConanFile): name = "libffi" description = "A portable, high level programming interface to various calling conventions" license = "MIT" url = "https://github.com/conan-io/conan-center-index" homepage = "https://sourceware.org/libffi/" topics = ("runtime", "foreign-function-interface", "runtime-library") settings = "os", "arch", "compiler", "build_type" package_type = "library" options = { "shared": [True, False], "fPIC": [True, False], } default_options = { "shared": False, "fPIC": True, } @property def _settings_build(self): # TODO: Remove for Conan v2 return getattr(self, "settings_build", self.settings) def export_sources(self): export_conandata_patches(self) def config_options(self): if self.settings.os == "Windows": del self.options.fPIC def validate(self): if is_apple_os(self) and self.settings.arch == "armv8" and Version(self.version) < "3.4.0": raise ConanInvalidConfiguration(f"{self.ref} does not support Apple ARM CPUs") def configure(self): if self.options.shared: self.options.rm_safe("fPIC") self.settings.rm_safe("compiler.cppstd") self.settings.rm_safe("compiler.libcxx") def layout(self): basic_layout(self, src_folder="src") def build_requirements(self): if self._settings_build.os == "Windows": self.win_bash = True if not self.conf.get("tools.microsoft.bash:path", default=False, check_type=str): self.tool_requires("msys2/cci.latest") if is_msvc(self): self.tool_requires("automake/1.16.5") def source(self): get(self, **self.conan_data["sources"][self.version], strip_root=True) def generate(self): virtual_build_env = VirtualBuildEnv(self) virtual_build_env.generate() yes_no = lambda v: "yes" if v else "no" tc = AutotoolsToolchain(self) tc.configure_args.extend([ f"--enable-debug={yes_no(self.settings.build_type == 'Debug')}", "--enable-builddir=no", "--enable-docs=no", ]) if self._settings_build.compiler == "apple-clang": tc.configure_args.append("--disable-multi-os-directory") if self.options.shared: tc.extra_defines.append("FFI_BUILDING_DLL") if Version(self.version) < "3.4.6": tc.extra_defines.append("FFI_BUILDING") elif not self.options.shared: tc.extra_defines.append("FFI_STATIC_BUILD") env = tc.environment() if self._settings_build.os == "Windows" and (is_msvc(self) or self.settings.compiler == "clang"): build = "{}-{}-{}".format( "x86_64" if self._settings_build.arch == "x86_64" else "i686", "pc" if self._settings_build.arch == "x86" else "win64", "mingw64") host = "{}-{}-{}".format( "x86_64" if self.settings.arch == "x86_64" else "i686", "pc" if self.settings.arch == "x86" else "win64", "mingw64") tc.update_configure_args({ "--build": build, "--host": host }) if is_msvc(self) and check_min_vs(self, "180", raise_invalid=False): # https://github.com/conan-io/conan/issues/6514 tc.extra_cflags.append("-FS") if is_msvc_static_runtime(self): tc.extra_defines.append("USE_STATIC_RTL") if "d" in msvc_runtime_flag(self): tc.extra_defines.append("USE_DEBUG_RTL") architecture_flag = "" if is_msvc(self): if self.settings.arch == "x86_64": architecture_flag = "-m64" elif self.settings.arch == "x86": architecture_flag = "-m32" elif self.settings.compiler == "clang": architecture_flag = "-clang-cl" compile_wrapper = unix_path(self, os.path.join(self.source_folder, "msvcc.sh")) if architecture_flag: compile_wrapper = f"{compile_wrapper} {architecture_flag}" ar_wrapper = unix_path(self, self.dependencies.build["automake"].conf_info.get("user.automake:lib-wrapper")) env.define("CC", f"{compile_wrapper}") env.define("CXX", f"{compile_wrapper}") env.define("LD", "link -nologo") env.define("AR", f"{ar_wrapper} \"lib -nologo\"") env.define("NM", "dumpbin -symbols") env.define("OBJDUMP", ":") env.define("RANLIB", ":") env.define("STRIP", ":") env.define("CXXCPP", "cl -nologo -EP") env.define("CPP", "cl -nologo -EP") env.define("LIBTOOL", unix_path(self, os.path.join(self.source_folder, "ltmain.sh"))) env.define("INSTALL", unix_path(self, os.path.join(self.source_folder, "install-sh"))) tc.generate(env=env) def build(self): apply_conandata_patches(self) autotools = Autotools(self) autotools.configure() autotools.make() def package(self): autotools = Autotools(self) autotools.install(args=[f"DESTDIR={unix_path(self, self.package_folder)}"]) # Need to specify the `DESTDIR` as a Unix path, aware of the subsystem fix_apple_shared_install_name(self) mkdir(self, os.path.join(self.package_folder, "bin")) for dll in glob.glob(os.path.join(self.package_folder, "lib", "*.dll")): shutil.move(dll, os.path.join(self.package_folder, "bin")) copy(self, "LICENSE", self.source_folder, os.path.join(self.package_folder, "licenses")) rm(self, "*.la", os.path.join(self.package_folder, "lib"), recursive=True) rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig")) rmdir(self, os.path.join(self.package_folder, "share")) def package_info(self): self.cpp_info.libs = ["{}ffi".format("lib" if is_msvc(self) else "")] self.cpp_info.set_property("pkg_config_name", "libffi") if not self.options.shared: static_define = "FFI_STATIC_BUILD" if Version(self.version) >= "3.4.6" else "FFI_BUILDING" self.cpp_info.defines = [static_define]