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qt5base-lts/conanfile.py
Iikka Eklund 003538a4f3 Conan: Don't add 'qt_host_path' automatically when cross-building 
We tried to "help" the user by passing the value from -o 'qt_host_path'
into CMake '-DQT_HOST_PATH=...' automatically. This involved updating
the 'cmake_args_qtbase' option by the recipe.

This did not work well with Conan lock files as the alteration of any
option caused:

  ERROR: qtbase/6.3.1@qt/everywhere: qtserialport/6.3.1@qt/everywhere
    tried to change qtbase/6.3.1@qt/everywhere option cmake_args_qtbase
    to '...' but it was already assigned to '...'.

Remove the part where the 'cmake_args_qtbase' value is being altered
but keep it where it is being utilized when aggregating the virtualenv
attributes.

Pick-to: 6.3
Change-Id: Ib7fb1b7cf1b77ee4b5db5646d3be829bc3d1113f
Reviewed-by: Toni Saario <toni.saario@qt.io>
2022-06-02 08:33:21 +03:00

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# Copyright (C) 2021 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
from conans import ConanFile, tools
from conans.errors import ConanInvalidConfiguration
import os
import re
import shutil
from functools import lru_cache
from pathlib import Path
from typing import Dict
class QtConanError(Exception):
pass
def add_cmake_prefix_path(conan_file: ConanFile, dep: str) -> None:
if dep not in conan_file.deps_cpp_info.deps:
raise QtConanError("Unable to find dependency: {0}".format(dep))
dep_cpp_info = conan_file.deps_cpp_info[dep]
cmake_args_str = str(conan_file.options.get_safe("cmake_args_qtbase", default=""))
formatted_cmake_args_str = conan_file._shared.append_cmake_arg(
cmake_args_str, "CMAKE_PREFIX_PATH", dep_cpp_info.rootpath
)
print("Adjusted cmake args for qtbase build: {0}".format(formatted_cmake_args_str))
setattr(conan_file.options, "cmake_args_qtbase", formatted_cmake_args_str)
def _build_qtbase(conan_file: ConanFile):
# we call the Qt's configure(.bat) directly
script = Path("configure.bat") if tools.os_info.is_windows else Path("configure")
configure = Path(conan_file.build_folder).joinpath(script).resolve(strict=True)
if conan_file.options.get_safe("icu", default=False):
# we need to tell Qt build system where to find the ICU
add_cmake_prefix_path(conan_file, dep="icu")
# convert the Conan options to Qt configure(.bat) arguments
parser = conan_file._qt_option_parser
qt_configure_options = parser.convert_conan_options_to_qt_options(conan_file.options)
cmd = " ".join(
[str(configure), " ".join(qt_configure_options), "-prefix", conan_file.package_folder]
)
cmake_args = parser.get_cmake_args_for_configure(conan_file.options)
if cmake_args:
cmd += " -- {0}".format(" ".join(cmake_args))
conan_file.output.info("Calling: {0}".format(cmd))
conan_file.run(cmd)
cmd = " ".join(["cmake", "--build", ".", "--parallel"])
conan_file.output.info("Calling: {0}".format(cmd))
conan_file.run(cmd)
@lru_cache(maxsize=8)
def _parse_qt_version_by_key(key: str) -> str:
with open(Path(__file__).parent.resolve() / ".cmake.conf") as f:
m = re.search(fr'{key} .*"(.*)"', f.read())
return m.group(1) if m else ""
def _get_qt_minor_version() -> str:
return ".".join(_parse_qt_version_by_key("QT_REPO_MODULE_VERSION").split(".")[:2])
class QtBase(ConanFile):
name = "qtbase"
license = "LGPL-3.0, GPL-2.0+, Commercial Qt License Agreement"
author = "The Qt Company <https://www.qt.io/contact-us>"
url = "https://code.qt.io/cgit/qt/qtbase.git"
description = "Qt6 core framework libraries and tools."
topics = ("qt", "qt6")
settings = "os", "compiler", "arch", "build_type"
_qt_option_parser = None
options = None
default_options = None
exports_sources = "*", "!conan*.*"
# use commit ID as the RREV (recipe revision)
revision_mode = "scm"
python_requires = "qt-conan-common/{0}@qt/everywhere".format(_get_qt_minor_version())
short_paths = True
_shared = None
def init(self):
self._shared = self.python_requires["qt-conan-common"].module
self._qt_option_parser = self._shared.QtOptionParser(Path(__file__).parent.resolve())
self.options = self._qt_option_parser.get_qt_conan_options()
self.default_options = self._qt_option_parser.get_default_qt_conan_options()
def set_version(self):
# Executed during "conan export" i.e. in source tree
_ver = _parse_qt_version_by_key("QT_REPO_MODULE_VERSION")
_prerelease = _parse_qt_version_by_key("QT_REPO_MODULE_PRERELEASE_VERSION_SEGMENT")
self.version = _ver + "-" + _prerelease if _prerelease else _ver
def export(self):
self.copy("configure_options.json")
self.copy("configure_features.txt")
self.copy(".cmake.conf")
conf = self._shared.qt_sw_versions_config_folder() / self._shared.qt_sw_versions_config_name()
if not conf.exists():
# If using "conan export" outside Qt CI provisioned machines
print("Warning: Couldn't find '{0}'. 3rd party dependencies skipped.".format(conf))
else:
shutil.copy2(conf, self.export_folder)
def requirements(self):
# list of tuples, (package_name, fallback version)
optional_requirements = [("icu", "56.1")]
for req_name, req_ver_fallback in optional_requirements:
if self.options.get_safe(req_name, default=False) == True:
# Note! If this conan package is being "conan export"ed outside Qt CI and the
# sw versions .ini file is not present then it will fall-back to default version
ver = self._shared.parse_qt_sw_pkg_dependency(
config_folder=Path(self.recipe_folder),
package_name=req_name,
target_os=str(self.settings.os),
)
if not ver:
print(
"Warning: Using fallback version '{0}' for: {1}".format(
req_name, req_ver_fallback
)
)
ver = req_ver_fallback
requirement = "{0}/{1}@qt/everywhere".format(req_name, ver)
print("Setting 3rd party package requirement: {0}".format(requirement))
self.requires(requirement)
def _resolve_qt_host_path(self) -> str:
# When cross-building the user needs to pass 'qt_host_path' which is transformed to
# QT_HOST_PATH later on. Resolve the exact path.
qt_host_path = self.options.get_safe("qt_host_path")
if not qt_host_path:
raise QtConanError("Expected 'qt_host_path' option in cross-build context")
return str(Path(os.path.expandvars(str(qt_host_path))).expanduser().resolve(strict=True))
def configure(self):
if self.settings.compiler == "gcc" and tools.Version(self.settings.compiler.version) < "8":
raise ConanInvalidConfiguration("Qt6 does not support GCC before 8")
def _set_default_if_not_set(option_name: str, option_value: bool) -> None:
# let it fail if option name does not exist, it means the recipe is not up to date
if self.options.get_safe(option_name) in [None, "None"]:
setattr(self.options, option_name, option_value)
def _set_build_type(build_type: str) -> None:
if self.settings.build_type != build_type:
msg = (
"The build_type '{0}' changed to '{1}'. Please check your Settings and "
"Options. The used Qt options enforce '{2}' as a build_type. ".format(
self.settings.build_type, build_type, build_type
)
)
raise QtConanError(msg)
self.settings.build_type = build_type
def _check_mutually_exclusive_options(options: Dict[str, bool]) -> None:
if list(options.values()).count(True) > 1:
raise QtConanError(
"These Qt options are mutually exclusive: {0}"
". Choose only one of them and try again.".format(list(options.keys()))
)
default_options = ["shared", "gui", "widgets", "accessibility", "system_proxies", "ico"]
if self.settings.os == "Macos":
default_options.append("framework")
for item in default_options:
_set_default_if_not_set(item, True)
release = self.options.get_safe("release", default=False)
debug = self.options.get_safe("debug", default=False)
debug_and_release = self.options.get_safe("debug_and_release", default=False)
force_debug_info = self.options.get_safe("force_debug_info", default=False)
optimize_size = self.options.get_safe("optimize_size", default=False)
# these options are mutually exclusive options so do a sanity check
_check_mutually_exclusive_options(
{"release": release, "debug": debug, "debug_and_release": debug_and_release}
)
# Prioritize Qt's configure options over Settings.build_type
if debug_and_release == True:
# Qt build system will build both debug and release binaries
if force_debug_info == True:
_set_build_type("RelWithDebInfo")
else:
_set_build_type("Release")
elif release == True:
_check_mutually_exclusive_options(
{"force_debug_info": force_debug_info, "optimize_size": optimize_size}
)
if force_debug_info == True:
_set_build_type("RelWithDebInfo")
elif optimize_size == True:
_set_build_type("MinSizeRel")
else:
_set_build_type("Release")
elif debug == True:
_set_build_type("Debug")
else:
# As a fallback set the build type for Qt configure based on the 'build_type'
# defined in the conan build settings
build_type = self.settings.get_safe("build_type")
if build_type in [None, "None"]:
# set default that mirror the configure(.bat) default values
self.options.release = True
self.settings.build_type = "Release"
elif build_type == "Release":
self.options.release = True
elif build_type == "Debug":
self.options.debug = True
elif build_type == "RelWithDebInfo":
self.options.release = True
self.options.force_debug_info = True
elif build_type == "MinSizeRel":
self.options.release = True
self.options.optimize_size = True
else:
raise QtConanError("Unknown build_type: {0}".format(self.settings.build_type))
if self.settings.os == "Android":
if self.options.get_safe("android_sdk_version") == None:
cmake_args_qtbase = str(self.options.get_safe("cmake_args_qtbase"))
sdk_ver = self._shared.parse_android_sdk_version(cmake_args_qtbase)
if sdk_ver:
print("'android_sdk_version' not given. Deduced version: {0}".format(sdk_ver))
self.options.android_sdk_version = sdk_ver
else:
# TODO, for now we have no clean means to query the Android SDK version from
# Qt build system so we just exclude the "android_sdk" from the package_id.
print("Can't deduce 'android_sdk_version'. Excluding it from 'package_id'")
delattr(self.info.options, "android_sdk_version")
if self.options.get_safe("android_ndk_version") == None:
ndk_ver = str(self.options.get_safe("android_ndk"))
ndk_ver = self._shared.parse_android_ndk_version(Path(ndk_ver, strict=True))
print("'android_ndk_version' not given. Deduced version: {0}".format(ndk_ver))
self.options.android_ndk_version = ndk_ver
def build(self):
self._shared.build_env_wrap(self, _build_qtbase)
def package(self):
self._shared.call_install(self)
def package_info(self):
self._shared.package_info(self)
if tools.cross_building(conanfile=self):
self.env_info.QT_HOST_PATH.append(self._resolve_qt_host_path())
def package_id(self):
# https://docs.conan.io/en/latest/creating_packages/define_abi_compatibility.html
# The package_revision_mode() is too strict for Qt CI. This mode includes artifacts
# checksum in package_id which is problematic in Qt CI re-runs (re-run flaky
# build) which contain different build timestamps (cmake) which end up in library
# files -> different package_id.
self.info.requires.recipe_revision_mode()
# Enable 'qt-conan-common' updates on client side with $conan install .. --update
self.info.python_requires.recipe_revision_mode()
# Remove those configure(.bat) options which should not affect package_id.
# These point to local file system paths and in order to re-use pre-built
# binaries (by Qt CI) by others these should not affect the 'package_id'
# as those probably differ on each machine
rm_list = [
"sdk",
"qpa",
"translationsdir",
"headersclean",
"qt_host_path",
"android_sdk",
"android_ndk",
]
for item in rm_list:
if item in self.info.options:
delattr(self.info.options, item)
# filter also those cmake options that should not end up in the package_id
if hasattr(self.info.options, "cmake_args_qtbase"):
_filter = self._shared.filter_cmake_args_for_package_id
self.info.options.cmake_args_qtbase = _filter(self.info.options.cmake_args_qtbase)
def deploy(self):
self.copy("*") # copy from current package
self.copy_deps("*") # copy from dependencies
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