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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 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],
"no_exceptions": [True, False],
}
default_options = {
"shared": False,
"fPIC": True,
"header_only": False,
"wchar_support": False,
"wchar_filenames": False,
"no_exceptions": False,
}
def export_sources(self):
export_conandata_patches(self)
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
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):
self_version = Version(self.version)
fmt_version = "7.1.3"
if self_version >= "1.12.0":
fmt_version = "10.1.1"
elif self_version >= "1.11.0":
fmt_version = "10.0.0"
elif self_version >= "1.10.0":
fmt_version = "8.1.1"
elif self_version >= "1.9.0":
fmt_version = "8.0.1"
elif self_version >= "1.7.0":
fmt_version = "7.1.3"
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()
def validate(self):
if self.settings.get_safe("compiler.cppstd"):
check_min_cppstd(self, 11)
if self.settings.os != "Windows" and (self.options.wchar_support or self.options.wchar_filenames):
raise ConanInvalidConfiguration("wchar is only supported under windows")
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")
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
def generate(self):
if not self.options.header_only:
fmt = self.dependencies["fmt"]
tc = CMakeToolchain(self)
tc.variables["SPDLOG_BUILD_EXAMPLE"] = False
tc.variables["SPDLOG_BUILD_EXAMPLE_HO"] = False
tc.variables["SPDLOG_BUILD_TESTS"] = False
tc.variables["SPDLOG_BUILD_TESTS_HO"] = False
tc.variables["SPDLOG_BUILD_BENCH"] = False
tc.variables["SPDLOG_FMT_EXTERNAL"] = not fmt.options.header_only
tc.variables["SPDLOG_FMT_EXTERNAL_HO"] = fmt.options.header_only
tc.variables["SPDLOG_BUILD_SHARED"] = not self.options.header_only and self.options.shared
tc.variables["SPDLOG_WCHAR_SUPPORT"] = self.options.wchar_support
tc.variables["SPDLOG_WCHAR_FILENAMES"] = self.options.wchar_filenames
tc.variables["SPDLOG_INSTALL"] = True
tc.variables["SPDLOG_NO_EXCEPTIONS"] = self.options.no_exceptions
if self.settings.os in ("iOS", "tvOS", "watchOS"):
tc.variables["SPDLOG_NO_TLS"] = True
tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0091"] = "NEW"
tc.generate()
cmake_deps = CMakeDeps(self)
cmake_deps.generate()
def _disable_werror(self):
replace_in_file(self, os.path.join(self.source_folder, "cmake", "utils.cmake"), "/WX", "")
def build(self):
apply_conandata_patches(self)
self._disable_werror()
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}")
self.cpp_info.components["libspdlog"].defines.append("SPDLOG_FMT_EXTERNAL")
self.cpp_info.components["libspdlog"].requires = ["fmt::fmt"]
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.wchar_support:
self.cpp_info.components["libspdlog"].defines.append("SPDLOG_WCHAR_TO_UTF8_SUPPORT")
if self.options.wchar_filenames:
self.cpp_info.components["libspdlog"].defines.append("SPDLOG_WCHAR_FILENAMES")
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")
self.cpp_info.names["cmake_find_package"] = "spdlog"
self.cpp_info.names["cmake_find_package_multi"] = "spdlog"
self.cpp_info.components["libspdlog"].names["cmake_find_package"] = target
self.cpp_info.components["libspdlog"].names["cmake_find_package_multi"] = target