example of Conan packages

This commit is contained in:
Artur Mukhamadiev 2025-07-05 16:57:17 +00:00
commit 72326ce2ec
6 changed files with 304 additions and 0 deletions

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sources:
"0.7.1-unwindfix":
url: "https://github.com/google/glog/archive/refs/tags/v0.7.1.tar.gz"
sha256: "00e4a87e87b7e7612f519a41e491f16623b12423620006f59f5688bfd8d13b08"

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from conan import ConanFile
from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout, CMakeDeps
from conan.tools.env import VirtualBuildEnv
from conan.tools.files import copy, get, rmdir
from conan.tools.scm import Version
from conan.tools.build import check_min_cppstd
import os
required_conan_version = ">=1.54.0"
class GlogConan(ConanFile):
name = "glog"
version = "0.7.1-unwindfix"
description = "Google logging library"
license = "BSD-3-Clause"
url = "https://github.com/conan-io/conan-center-index"
homepage = "https://github.com/google/glog/"
topics = ("logging",)
package_type = "library"
settings = "os", "arch", "compiler", "build_type"
options = {
"shared": [True, False],
"fPIC": [True, False],
"with_gflags": [True, False],
"with_threads": [True, False],
"with_unwind": [True, False],
}
default_options = {
"shared": False,
"fPIC": True,
"with_gflags": True,
"with_threads": True,
"with_unwind": True,
}
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
if self.settings.os not in ["Linux", "FreeBSD"]:
del self.options.with_unwind
def configure(self):
if self.options.shared:
self.options.rm_safe("fPIC")
if self.options.with_gflags:
self.options["gflags"].shared = self.options.shared
def layout(self):
cmake_layout(self, src_folder="src")
def requirements(self):
if self.options.with_gflags:
self.requires("gflags/2.2.2", transitive_headers=True, transitive_libs=True)
# 0.4.0 requires libunwind unconditionally
if self.options.get_safe("with_unwind"):
self.requires("libunwind/1.8.2", transitive_headers=True, transitive_libs=True)
def validate(self):
if Version(self.version) < "0.7.0":
return
check_min_cppstd(self, 14)
def build_requirements(self):
if Version(self.version) >= "0.7.0":
self.tool_requires("cmake/[>=3.22 <4]")
elif Version(self.version) >= "0.6.0":
self.tool_requires("cmake/[>=3.16 <4]")
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
def generate(self):
tc = VirtualBuildEnv(self)
tc.generate()
tc = CMakeToolchain(self)
tc.variables["WITH_GFLAGS"] = self.options.with_gflags
tc.variables["WITH_THREADS"] = self.options.with_threads
tc.variables["WITH_PKGCONFIG"] = True
if self.settings.os == "Emscripten":
tc.variables["WITH_SYMBOLIZE"] = False
tc.variables["HAVE_SYSCALL_H"] = False
tc.variables["HAVE_SYS_SYSCALL_H"] = False
else:
tc.variables["WITH_SYMBOLIZE"] = True
tc.variables["WITH_UNWIND"] = self.options.get_safe("with_unwind", default=False)
tc.variables["BUILD_TESTING"] = False
tc.variables["WITH_GTEST"] = False
# TODO: Remove after fixing https://github.com/conan-io/conan/issues/12012
# Needed for https://github.com/google/glog/blob/v0.7.1/CMakeLists.txt#L81
# and https://github.com/google/glog/blob/v0.7.1/CMakeLists.txt#L90
tc.variables["CMAKE_TRY_COMPILE_CONFIGURATION"] = str(self.settings.build_type)
tc.generate()
tc = CMakeDeps(self)
tc.generate()
def build(self):
cmake = CMake(self)
cmake.configure()
cmake.build()
def package(self):
copy(self, "COPYING", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
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, "share"))
def package_info(self):
self.cpp_info.set_property("cmake_file_name", "glog")
self.cpp_info.set_property("cmake_target_name", "glog::glog")
self.cpp_info.set_property("pkg_config_name", "libglog")
postfix = "d" if self.settings.build_type == "Debug" else ""
self.cpp_info.libs = ["glog" + postfix]
if self.settings.os in ["Linux", "FreeBSD"]:
self.cpp_info.system_libs = ["pthread"]
elif self.settings.os == "Windows":
self.cpp_info.system_libs = ["dbghelp"]
self.cpp_info.defines = ["GLOG_NO_ABBREVIATED_SEVERITIES"]
decl = "__declspec(dllimport)" if self.options.shared else ""
self.cpp_info.defines.append(f"GOOGLE_GLOG_DLL_DECL={decl}")
if self.options.with_gflags and not self.options.shared:
self.cpp_info.defines.extend(["GFLAGS_DLL_DECLARE_FLAG=", "GFLAGS_DLL_DEFINE_FLAG="])
if Version(self.version) >= "0.7.0":
self.cpp_info.defines.extend(["GLOG_USE_GLOG_EXPORT="])

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glog/config.yml Normal file
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versions:
"0.7.1-unwindfix":
folder: 0.7.1-unwindfix

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sources:
"1.8.2":
url: "https://github.com/libunwind/libunwind/releases/download/v1.8.2/libunwind-1.8.2.tar.gz"
sha256: "7f262f1a1224f437ede0f96a6932b582c8f5421ff207c04e3d9504dfa04c8b82"

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from conan import ConanFile
from conan.errors import ConanInvalidConfiguration
from conan.tools.build import cross_building
from conan.tools.env import VirtualRunEnv
from conan.tools.files import (
apply_conandata_patches,
copy,
export_conandata_patches,
get,
rm,
rmdir,
)
from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps
from conan.tools.layout import basic_layout
import os
import shutil
required_conan_version = ">=1.53.0"
class LiunwindConan(ConanFile):
name = "libunwind"
version = "1.8.2"
description = "Manipulate the preserved state of each call-frame and resume the execution at any point."
license = "MIT"
url = "https://github.com/conan-io/conan-center-index"
homepage = "https://github.com/libunwind/libunwind"
topics = ("unwind", "debuggers", "exception-handling", "introspection", "setjmp")
package_type = "library"
settings = "os", "arch", "compiler", "build_type"
options = {
"shared": [True, False],
"fPIC": [True, False],
"coredump": [True, False],
"ptrace": [True, False],
"setjmp": [True, False],
"minidebuginfo": [True, False],
"zlibdebuginfo": [True, False],
}
default_options = {
"shared": False,
"fPIC": True,
"coredump": True,
"ptrace": True,
"setjmp": True,
"minidebuginfo": True,
"zlibdebuginfo": True,
}
def export_sources(self):
export_conandata_patches(self)
def configure(self):
if self.options.shared:
self.options.rm_safe("fPIC")
self.settings.rm_safe("compiler.libcxx")
self.settings.rm_safe("compiler.cppstd")
def layout(self):
basic_layout(self, src_folder="src")
def requirements(self):
if self.options.minidebuginfo:
self.requires("xz_utils/5.4.5")
if self.options.zlibdebuginfo:
self.requires("zlib/[>=1.2.11 <2]")
def validate(self):
if self.settings.os not in ["Linux", "FreeBSD"]:
raise ConanInvalidConfiguration(
"libunwind is only supported on Linux and FreeBSD"
)
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
def generate(self):
if not cross_building(self):
env = VirtualRunEnv(self)
env.generate(scope="build")
tc = AutotoolsToolchain(self)
yes_no = lambda v: "yes" if v else "no"
tc.configure_args.extend(
[
f"--enable-coredump={yes_no(self.options.coredump)}",
f"--enable-ptrace={yes_no(self.options.ptrace)}",
f"--enable-setjmp={yes_no(self.options.setjmp)}",
f"--enable-minidebuginfo={yes_no(self.options.minidebuginfo)}",
f"--enable-zlibdebuginfo={yes_no(self.options.zlibdebuginfo)}",
"--disable-tests",
"--disable-documentation",
]
)
tc.generate()
tc = AutotoolsDeps(self)
tc.generate()
def build(self):
apply_conandata_patches(self)
autotools = Autotools(self)
autotools.configure()
autotools.make()
def package(self):
copy(
self,
pattern="COPYING",
src=self.source_folder,
dst=os.path.join(self.package_folder, "licenses"),
)
autotools = Autotools(self)
autotools.install()
rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
rm(self, "*.la", os.path.join(self.package_folder, "lib"))
# In install-exec-hook in Makefile.am, libunwind_generic is linked to libunwind_${arch}.
# As this seems to be unnecessary for the conan package.
# rename the real file to libunwind_generic,
lib_ext = "so" if self.options.shared else "a"
symlink_path = os.path.join(
self.package_folder, "lib", f"libunwind-generic.{lib_ext}"
)
source_path = os.path.realpath(symlink_path)
rm(self, os.path.basename(symlink_path), os.path.dirname(symlink_path))
shutil.copy(source_path, symlink_path)
def package_info(self):
self.cpp_info.components["unwind"].set_property("pkg_config_name", "libunwind")
self.cpp_info.components["unwind"].libs = ["unwind"]
if self.options.minidebuginfo:
self.cpp_info.components["unwind"].requires.append("xz_utils::xz_utils")
if self.options.zlibdebuginfo:
self.cpp_info.components["unwind"].requires.append("zlib::zlib")
if self.settings.os == "Linux":
self.cpp_info.components["unwind"].system_libs.append("pthread")
self.cpp_info.components["generic"].set_property(
"pkg_config_name", "libunwind-generic"
)
self.cpp_info.components["generic"].libs = ["unwind-generic"]
self.cpp_info.components["generic"].requires = ["unwind"]
if self.options.ptrace:
self.cpp_info.components["ptrace"].set_property(
"pkg_config_name", "libunwind-ptrace"
)
self.cpp_info.components["ptrace"].libs = ["unwind-ptrace"]
self.cpp_info.components["ptrace"].requires = ["generic", "unwind"]
if self.options.setjmp:
self.cpp_info.components["setjmp"].set_property(
"pkg_config_name", "libunwind-setjmp"
)
self.cpp_info.components["setjmp"].libs = ["unwind-setjmp"]
self.cpp_info.components["setjmp"].requires = ["unwind"]
if self.options.coredump:
self.cpp_info.components["coredump"].set_property(
"pkg_config_name", "libunwind-coredump"
)
self.cpp_info.components["coredump"].libs = ["unwind-coredump"]
self.cpp_info.components["coredump"].requires = ["generic", "unwind"]

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libunwind/config.yml Normal file
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versions:
"1.8.2":
folder: 1.8.2