127 lines
5.4 KiB
Python
127 lines
5.4 KiB
Python
from conan import ConanFile
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from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
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from conan.tools.files import apply_conandata_patches, collect_libs, copy, export_conandata_patches, get, replace_in_file, rmdir, rm
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from conan.tools.scm import Version
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import glob
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import os
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import shutil
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required_conan_version = ">=2.1"
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class ZstdConan(ConanFile):
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name = "zstd"
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url = "https://github.com/conan-io/conan-center-index"
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homepage = "https://github.com/facebook/zstd"
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description = "Zstandard - Fast real-time compression algorithm"
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topics = ("zstandard", "compression", "algorithm", "decoder")
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license = "BSD-3-Clause"
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package_type = "library"
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settings = "os", "arch", "compiler", "build_type"
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options = {
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"shared": [True, False],
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"fPIC": [True, False],
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"threading": [True, False],
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"build_programs": [True, False],
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}
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default_options = {
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"shared": False,
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"fPIC": True,
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"threading": True,
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"build_programs": True,
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}
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def export_sources(self):
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export_conandata_patches(self)
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def config_options(self):
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if self.settings.os == "Windows":
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del self.options.fPIC
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def configure(self):
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if self.options.shared:
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self.options.rm_safe("fPIC")
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self.settings.rm_safe("compiler.cppstd")
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self.settings.rm_safe("compiler.libcxx")
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def layout(self):
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cmake_layout(self, src_folder="src")
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def source(self):
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get(self, **self.conan_data["sources"][self.version], strip_root=True)
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# Patch: Remove symlinks in test directories to avoid Docker volume issues
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# These are only needed for test programs which we typically disable in fuzzing builds
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self._remove_test_symlinks()
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def _remove_test_symlinks(self):
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"""Remove problematic symlinks in test directories that fail on macOS Docker volumes"""
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test_dirs = [
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os.path.join(self.source_folder, "tests", "cli-tests", "bin"),
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os.path.join(self.source_folder, "programs"),
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]
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for test_dir in test_dirs:
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if os.path.isdir(test_dir):
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for root, dirs, files in os.walk(test_dir):
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for name in files + dirs:
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path = os.path.join(root, name)
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try:
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if os.path.islink(path):
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self.output.info(f"Removing symlink: {path}")
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os.unlink(path)
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except (OSError, IOError) as e:
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# Log but don't fail - symlink removal is best-effort
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self.output.info(f"Note: Could not remove {path}: {e}")
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def generate(self):
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tc = CMakeToolchain(self)
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tc.variables["ZSTD_BUILD_PROGRAMS"] = self.options.build_programs
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tc.variables["ZSTD_BUILD_STATIC"] = not self.options.shared or self.options.build_programs
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tc.variables["ZSTD_BUILD_SHARED"] = self.options.shared
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tc.variables["ZSTD_MULTITHREAD_SUPPORT"] = self.options.threading
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if Version(self.version) < "1.5.6":
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tc.cache_variables["CMAKE_POLICY_VERSION_MINIMUM"] = "3.5" # CMake 4 support
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tc.generate()
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def _patch_sources(self):
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apply_conandata_patches(self)
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# Don't force PIC
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replace_in_file(self, os.path.join(self.source_folder, "build", "cmake", "lib", "CMakeLists.txt"),
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"POSITION_INDEPENDENT_CODE On", "")
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def build(self):
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self._patch_sources()
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cmake = CMake(self)
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cmake.configure(build_script_folder=os.path.join(self.source_folder, "build", "cmake"))
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cmake.build()
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def package(self):
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copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
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cmake = CMake(self)
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cmake.install()
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rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
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rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
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rmdir(self, os.path.join(self.package_folder, "share"))
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if self.options.shared and self.options.build_programs:
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# If we build programs we have to build static libs (see logic in generate()),
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# but if shared is True, we only want shared lib in package folder.
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rm(self, "*_static.*", os.path.join(self.package_folder, "lib"))
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for lib in glob.glob(os.path.join(self.package_folder, "lib", "*.a")):
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if not lib.endswith(".dll.a"):
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os.remove(lib)
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def package_info(self):
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zstd_cmake = "libzstd_shared" if self.options.shared else "libzstd_static"
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self.cpp_info.set_property("cmake_file_name", "zstd")
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self.cpp_info.set_property("cmake_target_name", f"zstd::{zstd_cmake}")
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self.cpp_info.set_property("pkg_config_name", "libzstd")
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self.cpp_info.set_property("cmake_target_aliases", ["zstd::libzstd"])
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self.cpp_info.components["zstdlib"].libs = collect_libs(self)
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if self.settings.os in ["Linux", "FreeBSD"]:
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self.cpp_info.components["zstdlib"].system_libs.append("pthread")
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# TODO: Remove after dropping Conan 1.x from ConanCenterIndex
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self.cpp_info.components["zstdlib"].set_property("cmake_target_name", f"zstd::{zstd_cmake}")
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self.cpp_info.components["zstdlib"].set_property("pkg_config_name", "libzstd")
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