299 lines
10 KiB
Python
Executable File
299 lines
10 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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The current tooling supported in CMake, Homebrew, and Qt5 are insufficient for
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creating macOS universal binaries automatically for applications like Dolphin
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which have more complicated build requirements (like different libraries, build
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flags and source files for each target architecture).
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So instead, this script manages the configuration and compilation of distinct
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builds and project files for each target architecture and then merges the two
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binaries into a single universal binary.
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Running this script will:
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1) Generate Xcode project files for the ARM build (if project files don't
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already exist)
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2) Generate Xcode project files for the x64 build (if project files don't
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already exist)
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3) Build the ARM project for the selected build_target
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4) Build the x64 project for the selected build_target
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5) Generate universal .app packages combining the ARM and x64 packages
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6) Use the lipo tool to combine the binary objects inside each of the
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packages into universal binaries
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7) Code sign the final universal binaries using the specified
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codesign_identity
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"""
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import argparse
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import filecmp
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import glob
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import json
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import multiprocessing
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import os
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import shutil
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import subprocess
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# The config variables listed below are the defaults, but they can be
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# overridden by command line arguments see parse_args(), or run:
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# BuildMacOSUniversalBinary.py --help
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DEFAULT_CONFIG = {
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# Location of destination universal binary
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"dst_app": "universal/",
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# Build Target (dolphin-emu to just build the emulator and skip the tests)
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"build_target": "ALL_BUILD",
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# Location for CMake to search for files (default is for homebrew)
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"arm64_cmake_prefix": "/opt/homebrew",
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"x86_64_cmake_prefix": "/usr/local",
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# Locations to qt5 directories for arm and x64 libraries
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# The default values of these paths are taken from the default
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# paths used for homebrew
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"arm64_qt5_path": "/opt/homebrew/opt/qt5",
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"x86_64_qt5_path": "/usr/local/opt/qt5",
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# Identity to use for code signing. "-" indicates that the app will not
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# be cryptographically signed/notarized but will instead just use a
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# SHA checksum to verify the integrity of the app. This doesn't
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# protect against malicious actors, but it does protect against
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# running corrupted binaries and allows for access to the extended
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# permisions needed for ARM builds
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"codesign_identity": "-",
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# Entitlements file to use for code signing
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"entitlements": "../Source/Core/DolphinQt/DolphinEmu.entitlements",
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# Minimum macOS version for each architecture slice
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"arm64_mac_os_deployment_target": "11.0.0",
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"x86_64_mac_os_deployment_target": "10.12.0",
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# CMake Generator to use for building
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"generator": "Unix Makefiles",
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"build_type": "Release",
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}
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# Architectures to build for. This is explicity left out of the command line
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# config options for several reasons:
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# 1) Adding new architectures will generally require more code changes
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# 2) Single architecture builds should utilize the normal generated cmake
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# project files rather than this wrapper script
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ARCHITECTURES = ["x86_64", "arm64"]
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def parse_args(conf=DEFAULT_CONFIG):
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"""
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Parses the command line arguments into a config dictionary.
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"""
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parser = argparse.ArgumentParser(
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument(
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"--target",
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help="Build target in generated project files",
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default=conf["build_target"],
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dest="build_target")
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parser.add_argument(
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"-G",
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help="CMake Generator to use for creating project files",
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default=conf["generator"],
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dest="generator")
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parser.add_argument(
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"--build_type",
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help="CMake build type [Debug, Release, RelWithDebInfo, MinSizeRel]",
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default=conf["build_type"],
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dest="build_type")
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parser.add_argument(
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"--dst_app",
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help="Directory where universal binary will be stored",
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default=conf["dst_app"])
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parser.add_argument(
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"--entitlements",
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help="Path to .entitlements file for code signing",
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default=conf["entitlements"])
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parser.add_argument(
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"--codesign",
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help="Code signing identity to use to sign the applications",
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default=conf["codesign_identity"],
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dest="codesign_identity")
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for arch in ARCHITECTURES:
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parser.add_argument(
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f"--{arch}_cmake_prefix",
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help="Folder for cmake to search for packages",
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default=conf[arch+"_cmake_prefix"],
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dest=arch+"_cmake_prefix")
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parser.add_argument(
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f"--{arch}_qt5_path",
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help=f"Install path for {arch} qt5 libraries",
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default=conf[arch+"_qt5_path"])
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parser.add_argument(
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f"--{arch}_mac_os_deployment_target",
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help=f"Deployment architecture for {arch} slice",
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default=conf[arch+"_mac_os_deployment_target"])
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return vars(parser.parse_args())
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def lipo(path0, path1, dst):
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if subprocess.call(["lipo", "-create", "-output", dst, path0, path1]) != 0:
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print(f"WARNING: {path0} and {path1} cannot be lipo'd")
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shutil.copy(path0, dst)
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def recursive_merge_binaries(src0, src1, dst):
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"""
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Merges two build trees together for different architectures into a single
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universal binary.
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The rules for merging are:
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1) Files that exist in either src tree are copied into the dst tree
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2) Files that exist in both trees and are identical are copied over
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unmodified
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3) Files that exist in both trees and are non-identical are lipo'd
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4) Symlinks are created in the destination tree to mirror the hierarchy in
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the source trees
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"""
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for newpath0 in glob.glob(src0+"/*"):
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filename = os.path.basename(newpath0)
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newpath1 = os.path.join(src1, filename)
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new_dst_path = os.path.join(dst, filename)
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if os.path.islink(newpath0):
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# Symlinks will be fixed after files are resolved
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continue
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if not os.path.exists(newpath1):
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shutil.copy(newpath0, new_dst_path)
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continue
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if os.path.isdir(newpath1):
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os.mkdir(new_dst_path)
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recursive_merge_binaries(newpath0, newpath1, new_dst_path)
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continue
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if filecmp.cmp(newpath0, newpath1):
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shutil.copy(newpath0, new_dst_path)
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else:
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lipo(newpath0, newpath1, new_dst_path)
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# Loop over files in src1 and copy missing things over to dst
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for newpath1 in glob.glob(src1+"/*"):
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filename = os.path.basename(newpath1)
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newpath0 = os.path.join(src0, filename)
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new_dst_path = os.path.join(dst, filename)
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if (not os.path.exists(newpath0)) and (not os.path.islink(newpath1)):
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if os.path.isdir(newpath1):
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shutil.copytree(newpath1, new_dst_path)
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else:
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shutil.copy(newpath1, new_dst_path)
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# Fix up symlinks for path0
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for newpath0 in glob.glob(src0+"/*"):
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filename = os.path.basename(newpath0)
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new_dst_path = os.path.join(dst, filename)
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if os.path.islink(newpath0):
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relative_path = os.path.relpath(os.path.realpath(newpath0), src0)
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os.symlink(relative_path, new_dst_path)
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# Fix up symlinks for path1
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for newpath1 in glob.glob(src1+"/*"):
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filename = os.path.basename(newpath1)
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new_dst_path = os.path.join(dst, filename)
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newpath0 = os.path.join(src0, filename)
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if os.path.islink(newpath1) and not os.path.exists(newpath0):
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relative_path = os.path.relpath(os.path.realpath(newpath1), src1)
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os.symlink(relative_path, new_dst_path)
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def build(config):
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"""
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Builds the project with the parameters specified in config.
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"""
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print("Building config:")
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print(json.dumps(config, indent=4))
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# Configure and build single architecture builds for each architecture
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for arch in ARCHITECTURES:
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if not os.path.exists(arch):
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os.mkdir(arch)
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env = os.environ.copy()
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env["Qt5_DIR"] = config[arch+"_qt5_path"]
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env["CMAKE_OSX_ARCHITECTURES"] = arch
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env["CMAKE_PREFIX_PATH"] = config[arch+"_cmake_prefix"]
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# Add the other architecture's prefix path to the ignore path so that
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# CMake doesn't try to pick up the wrong architecture's libraries when
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# cross compiling.
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ignore_path = ""
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for a in ARCHITECTURES:
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if a != arch:
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ignore_path = config[a+"_cmake_prefix"]
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subprocess.check_call([
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"cmake", "../../", "-G", config["generator"],
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"-DCMAKE_BUILD_TYPE=" + config["build_type"],
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# System name needs to be specified for CMake to use
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# the specified CMAKE_SYSTEM_PROCESSOR
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"-DCMAKE_SYSTEM_NAME=Darwin",
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"-DCMAKE_PREFIX_PATH="+config[arch+"_cmake_prefix"],
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"-DCMAKE_SYSTEM_PROCESSOR="+arch,
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"-DCMAKE_IGNORE_PATH="+ignore_path,
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"-DCMAKE_OSX_DEPLOYMENT_TARGET="
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+ config[arch+"_mac_os_deployment_target"],
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"-DMACOS_CODE_SIGNING_IDENTITY="
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+ config["codesign_identity"],
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"-DMACOS_CODE_SIGNING_IDENTITY_UPDATER="
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+ config["codesign_identity"],
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'-DMACOS_CODE_SIGNING="ON"'
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],
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env=env, cwd=arch)
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threads = multiprocessing.cpu_count()
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subprocess.check_call(["cmake", "--build", ".",
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"--config", config["build_type"],
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"--parallel", f"{threads}"], cwd=arch)
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dst_app = config["dst_app"]
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if os.path.exists(dst_app):
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shutil.rmtree(dst_app)
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# Create and codesign the universal binary/
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os.mkdir(dst_app)
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# Source binary trees to merge together
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src_app0 = ARCHITECTURES[0]+"/Binaries/"
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src_app1 = ARCHITECTURES[1]+"/Binaries/"
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recursive_merge_binaries(src_app0, src_app1, dst_app)
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for path in glob.glob(dst_app+"/*"):
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if os.path.isdir(path) and os.path.splitext(path)[1] != ".app":
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continue
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subprocess.check_call([
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"codesign",
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"-d",
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"--force",
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"-s",
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config["codesign_identity"],
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"--options=runtime",
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"--entitlements", config["entitlements"],
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"--deep",
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"--verbose=2",
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path])
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if __name__ == "__main__":
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conf = parse_args()
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build(conf)
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print("Built Universal Binary successfully!")
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