159 lines
6.7 KiB
Python
159 lines
6.7 KiB
Python
from conan import ConanFile
|
|
from conan.tools.apple import is_apple_os
|
|
from conan.tools.build import check_min_cppstd, valid_min_cppstd
|
|
from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
|
|
from conan.tools.files import export_conandata_patches, apply_conandata_patches, collect_libs, copy, get, replace_in_file, rmdir
|
|
from conan.tools.scm import Version
|
|
import os
|
|
|
|
required_conan_version = ">=2.1"
|
|
|
|
|
|
class FlatbuffersConan(ConanFile):
|
|
name = "flatbuffers"
|
|
license = "Apache-2.0"
|
|
url = "https://github.com/conan-io/conan-center-index"
|
|
homepage = "http://google.github.io/flatbuffers"
|
|
topics = ("serialization", "rpc", "json-parser")
|
|
description = "Memory Efficient Serialization Library"
|
|
|
|
settings = "os", "arch", "compiler", "build_type"
|
|
package_type = "library"
|
|
options = {
|
|
"shared": [True, False],
|
|
"fPIC": [True, False],
|
|
"header_only": [True, False],
|
|
}
|
|
default_options = {
|
|
"shared": False,
|
|
"fPIC": True,
|
|
"header_only": False,
|
|
}
|
|
|
|
def _has_flatc(self, info=False):
|
|
# don't build flatc when it makes little sense or not supported
|
|
host_os = self.info.settings.os if info else self.settings.os
|
|
return host_os not in ["Android", "iOS", "watchOS", "tvOS", "Neutrino"]
|
|
|
|
def export_sources(self):
|
|
copy(self, os.path.join("cmake", "FlatcTargets.cmake"), self.recipe_folder, self.export_sources_folder)
|
|
export_conandata_patches(self)
|
|
|
|
def config_options(self):
|
|
if self.settings.os == "Windows":
|
|
del self.options.fPIC
|
|
|
|
def configure(self):
|
|
if self.options.shared or self.options.header_only:
|
|
self.options.rm_safe("fPIC")
|
|
if self.options.header_only:
|
|
del self.options.shared
|
|
|
|
def layout(self):
|
|
cmake_layout(self, src_folder="src")
|
|
|
|
def package_id(self):
|
|
if self.info.options.header_only and not self._has_flatc(info=True):
|
|
self.info.clear()
|
|
|
|
def validate(self):
|
|
check_min_cppstd(self, 11)
|
|
|
|
def build_requirements(self):
|
|
# since 23.3.3 version, flatbuffers cmake scripts were refactored to use cmake 3.8 version
|
|
# see https://github.com/google/flatbuffers/pull/7801
|
|
if Version(self.version) >= "2.0.8" and Version(self.version) < "23.3.3":
|
|
self.tool_requires("cmake/[>=3.16 <4]")
|
|
|
|
def source(self):
|
|
get(self, **self.conan_data["sources"][self.version], strip_root=True)
|
|
self._patch_sources()
|
|
|
|
def generate(self):
|
|
tc = CMakeToolchain(self)
|
|
tc.variables["FLATBUFFERS_BUILD_TESTS"] = False
|
|
tc.variables["FLATBUFFERS_INSTALL"] = True
|
|
tc.variables["FLATBUFFERS_BUILD_FLATLIB"] = not self.options.header_only and not self.options.shared
|
|
tc.variables["FLATBUFFERS_BUILD_FLATC"] = self._has_flatc()
|
|
tc.variables["FLATBUFFERS_STATIC_FLATC"] = False
|
|
tc.variables["FLATBUFFERS_BUILD_FLATHASH"] = False
|
|
tc.variables["FLATBUFFERS_BUILD_SHAREDLIB"] = not self.options.header_only and self.options.shared
|
|
# Honor conan profile
|
|
tc.variables["FLATBUFFERS_LIBCXX_WITH_CLANG"] = False
|
|
# Mimic upstream CMake/Version.cmake removed in _patch_sources()
|
|
version = Version(self.version)
|
|
tc.cache_variables["VERSION_MAJOR"] = str(version.major)
|
|
tc.cache_variables["VERSION_MINOR"] = str(version.minor or "0")
|
|
tc.cache_variables["VERSION_PATCH"] = str(version.patch or "0")
|
|
tc.cache_variables["VERSION_COMMIT"] = str(version.pre or "0")
|
|
# For msvc shared
|
|
tc.variables["CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS"] = True
|
|
# Relocatable shared libs on Macos
|
|
tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0042"] = "NEW"
|
|
# Fix iOS/tvOS/watchOS
|
|
if is_apple_os(self):
|
|
tc.variables["CMAKE_MACOSX_BUNDLE"] = False
|
|
tc.generate()
|
|
|
|
def _patch_sources(self):
|
|
apply_conandata_patches(self)
|
|
|
|
cmakelists = os.path.join(self.source_folder, "CMakeLists.txt")
|
|
# Prefer manual injection of current version in build(), otherwise it tries to call git
|
|
replace_in_file(self, cmakelists, "include(CMake/Version.cmake)", "")
|
|
# No warnings as errors
|
|
replace_in_file(self, cmakelists, "/WX", "")
|
|
replace_in_file(self, cmakelists, "-Werror ", "")
|
|
# Install dll to bin folder
|
|
replace_in_file(self, cmakelists,
|
|
"RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR}",
|
|
"RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}")
|
|
|
|
def build(self):
|
|
cmake = CMake(self)
|
|
cmake.configure()
|
|
cmake.build()
|
|
|
|
def package(self):
|
|
copy(self, "LICENSE*", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
|
|
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"))
|
|
copy(self, "FlatcTargets.cmake",
|
|
src=os.path.join(self.source_folder, os.pardir, "cmake"),
|
|
dst=os.path.join(self.package_folder, self._module_path))
|
|
copy(self, "BuildFlatBuffers.cmake",
|
|
src=os.path.join(self.source_folder, "CMake"),
|
|
dst=os.path.join(self.package_folder, self._module_path))
|
|
|
|
@property
|
|
def _module_path(self):
|
|
return os.path.join("lib", "cmake")
|
|
|
|
def package_info(self):
|
|
self.cpp_info.set_property("cmake_find_mode", "both")
|
|
self.cpp_info.set_property("cmake_module_file_name", "flatbuffers")
|
|
self.cpp_info.set_property("cmake_file_name", "flatbuffers")
|
|
cmake_target = "flatbuffers"
|
|
if not self.options.header_only and self.options.shared:
|
|
cmake_target += "_shared"
|
|
self.cpp_info.set_property("cmake_target_name", f"flatbuffers::{cmake_target}")
|
|
self.cpp_info.set_property("pkg_config_name", "flatbuffers")
|
|
|
|
# TODO: back to global scope in conan v2 once cmake_find_package* generators removed
|
|
if not self.options.header_only:
|
|
self.cpp_info.components["libflatbuffers"].libs = collect_libs(self)
|
|
if self.settings.os in ["Linux", "FreeBSD"]:
|
|
self.cpp_info.components["libflatbuffers"].system_libs.append("m")
|
|
|
|
# Provide flatbuffers::flatc target and CMake functions from BuildFlatBuffers.cmake
|
|
build_modules = [
|
|
os.path.join(self._module_path, "FlatcTargets.cmake"),
|
|
os.path.join(self._module_path, "BuildFlatBuffers.cmake"),
|
|
]
|
|
self.cpp_info.set_property("cmake_build_modules", build_modules)
|
|
|
|
if self._has_flatc():
|
|
self.env_info.PATH.append(os.path.join(self.package_folder, "bin"))
|