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conanfile.py
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conanfile.py
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from conan import ConanFile
from conan.errors import ConanInvalidConfiguration
from conan.tools.build import cross_building
from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
from conan.tools.files import apply_conandata_patches, export_conandata_patches, copy, get, load, rmdir
from conan.tools.gnu import PkgConfigDeps
from conan.tools.scm import Version
import os
import re
required_conan_version = ">=1.53.0"
class OneTBBConan(ConanFile):
name = "onetbb"
license = "Apache-2.0"
url = "https://github.com/conan-io/conan-center-index"
homepage = "https://github.com/oneapi-src/oneTBB"
description = (
"oneAPI Threading Building Blocks (oneTBB) lets you easily write parallel C++"
" programs that take full advantage of multicore performance, that are portable, composable"
" and have future-proof scalability.")
topics = ("tbb", "threading", "parallelism", "tbbmalloc")
package_type = "library"
settings = "os", "arch", "compiler", "build_type"
options = {
"shared": [True, False],
"fPIC": [True, False],
"tbbmalloc": [True, False],
"tbbproxy": [True, False],
"tbbbind": [True, False],
"interprocedural_optimization": [True, False],
}
default_options = {
"shared": True,
"fPIC": True,
"tbbmalloc": True,
"tbbproxy": True,
"tbbbind": True,
"interprocedural_optimization": True,
}
@property
def _tbbbind_hwloc_version(self):
# TBB expects different variables depending on the version
return "2_5" if Version(self.version) >= "2021.4.0" else "2_4"
@property
def _tbbbind_supported(self):
return Version(self.version) >= "2021.1.1" and not self.settings.os == "Macos"
@property
def _tbbbind_build(self):
return self.options.get_safe("tbbbind", False) and self._tbbbind_supported
@property
def _tbbbind_explicit_hwloc(self):
# during cross-compilation, oneTBB does not search for HWLOC and we need to specify it explicitly
# but then oneTBB creates an imported SHARED target from provided paths, so we have to set shared=True
return self._tbbbind_build and cross_building(self)
def export_sources(self):
export_conandata_patches(self)
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
if not self._tbbbind_supported:
del self.options.tbbbind
if Version(self.version) < "2021.6.0" or self.settings.os == "Android":
del self.options.interprocedural_optimization
if Version(self.version) < "2021.2.0":
del self.options.shared
self.options.rm_safe("fPIC")
def configure(self):
if self.options.get_safe("shared", True):
self.options.rm_safe("fPIC")
else:
del self.options.tbbproxy
self.options.rm_safe("tbbbind")
if not self.options.tbbmalloc:
self.options.rm_safe("tbbproxy")
if self._tbbbind_explicit_hwloc:
self.options["hwloc"].shared = True
def layout(self):
cmake_layout(self, src_folder="src")
def requirements(self):
if self._tbbbind_build:
self.requires("hwloc/2.9.3")
def build_requirements(self):
if not self._tbbbind_explicit_hwloc and not self.conf.get("tools.gnu:pkg_config", check_type=str):
self.tool_requires("pkgconf/1.9.5")
def package_id(self):
if Version(self.version) < "2021.5.0":
self.info.options.tbbmalloc = True
if Version(self.version) < "2021.6.0" and self.info.options.get_safe("tbbproxy"):
self.info.options.tbbproxy = True
def validate(self):
if self.settings.compiler == "apple-clang" and Version(self.settings.compiler.version) < "11.0":
raise ConanInvalidConfiguration(f"{self.ref} couldn't be built by apple-clang < 11.0")
if not self.options.get_safe("shared", True):
if Version(self.version) >= "2021.6.0":
raise ConanInvalidConfiguration(
"Building oneTBB as a static library is highly discouraged and not supported "
"to avoid unforeseen issues like https://github.com/oneapi-src/oneTBB/issues/920. "
"Please consider fixing at least the aforementioned issue in upstream."
)
self.output.warning("oneTBB strongly discourages usage of static linkage")
if self._tbbbind_explicit_hwloc and not self.dependencies["hwloc"].options.shared:
raise ConanInvalidConfiguration(f"{self.ref} requires hwloc:shared=True to be built.")
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
def generate(self):
toolchain = CMakeToolchain(self)
toolchain.variables["TBB_TEST"] = False
toolchain.variables["TBB_STRICT"] = False
if Version(self.version) >= "2021.5.0":
toolchain.variables["TBBMALLOC_BUILD"] = self.options.tbbmalloc
if self.options.get_safe("interprocedural_optimization"):
toolchain.variables["TBB_ENABLE_IPO"] = self.options.interprocedural_optimization
if Version(self.version) >= "2021.6.0" and self.options.get_safe("tbbproxy"):
toolchain.variables["TBBMALLOC_PROXY_BUILD"] = self.options.tbbproxy
toolchain.variables["TBB_DISABLE_HWLOC_AUTOMATIC_SEARCH"] = not self._tbbbind_build
if self._tbbbind_explicit_hwloc:
hwloc_package_folder = self.dependencies["hwloc"].package_folder
hwloc_lib_name = "hwloc.lib" if self.settings.os == "Windows" else "libhwloc.so"
toolchain.variables[f"CMAKE_HWLOC_{self._tbbbind_hwloc_version}_LIBRARY_PATH"] = \
os.path.join(hwloc_package_folder, "lib", hwloc_lib_name).replace("\\", "/")
toolchain.variables[f"CMAKE_HWLOC_{self._tbbbind_hwloc_version}_INCLUDE_PATH"] = \
os.path.join(hwloc_package_folder, "include").replace("\\", "/")
if self.settings.os == "Windows":
toolchain.variables[f"CMAKE_HWLOC_{self._tbbbind_hwloc_version}_DLL_PATH"] = \
os.path.join(hwloc_package_folder, "bin", "hwloc.dll").replace("\\", "/")
toolchain.generate()
if self._tbbbind_build:
deps = PkgConfigDeps(self)
deps.generate()
def build(self):
apply_conandata_patches(self)
cmake = CMake(self)
cmake.configure()
cmake.build()
def package(self):
cmake = CMake(self)
cmake.install()
copy(self, "LICENSE.txt", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
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, "share"))
def package_info(self):
self.cpp_info.set_property("cmake_file_name", "TBB")
self.cpp_info.set_property("pkg_config_name", "tbb")
self.cpp_info.set_property("cmake_config_version_compat", "AnyNewerVersion")
def lib_name(name):
if self.settings.build_type == "Debug":
return name + "_debug"
return name
# tbb
tbb = self.cpp_info.components["libtbb"]
tbb.set_property("cmake_target_name", "TBB::tbb")
tbb.libs = [lib_name("tbb")]
if self.settings.os == "Windows":
version_info = load(self,
os.path.join(self.package_folder, "include", "oneapi", "tbb",
"version.h"))
binary_version = re.sub(
r".*" + re.escape("#define __TBB_BINARY_VERSION ") +
r"(\d+).*",
r"\1",
version_info,
flags=re.MULTILINE | re.DOTALL,
)
tbb.libs.append(lib_name(f"tbb{binary_version}"))
if self.settings.os in ["Linux", "FreeBSD"]:
tbb.system_libs = ["m", "dl", "rt", "pthread"]
# tbbmalloc
if self.options.tbbmalloc:
tbbmalloc = self.cpp_info.components["tbbmalloc"]
tbbmalloc.set_property("cmake_target_name", "TBB::tbbmalloc")
tbbmalloc.libs = [lib_name("tbbmalloc")]
if self.settings.os in ["Linux", "FreeBSD"]:
tbbmalloc.system_libs = ["dl", "pthread"]
# tbbmalloc_proxy
if self.options.get_safe("tbbproxy", False):
tbbproxy = self.cpp_info.components["tbbmalloc_proxy"]
tbbproxy.set_property("cmake_target_name", "TBB::tbbmalloc_proxy")
tbbproxy.libs = [lib_name("tbbmalloc_proxy")]
tbbproxy.requires = ["tbbmalloc"]
if self.settings.os in ["Linux", "FreeBSD"]:
tbbproxy.system_libs = ["m", "dl", "pthread"]
# TODO: to remove in conan v2 once cmake_find_package* & pkg_config generators removed
self.cpp_info.names["cmake_find_package"] = "TBB"
self.cpp_info.names["cmake_find_package_multi"] = "TBB"
self.cpp_info.names["pkg_config"] = "tbb"
tbb.names["cmake_find_package"] = "tbb"
tbb.names["cmake_find_package_multi"] = "tbb"