opencv/platforms/apple/cv_build_utils.py
Jonathan Cole 85b0fb2a9c
Merge pull request #18826 from Rightpoint:feature/colejd/build-catalyst-xcframework
Support XCFramework builds, Catalyst

* Early work on xcframework support

* Improve legibility

* Somehow this works

* Specify ABIs in a place where they won't get erased

If you pass in the C/CXX flags from the Python script, they won't be respected. By doing it in the actual toolchain, the options are respected and Catalyst successfully links.

* Clean up and push updates

* Actually use Catalyst ABI

Needed to specify EXE linker flags to get compiler tests to link to the Catalyst ABIs.

* Clean up

* Revert changes to common toolchain that don't matter

* Try some things

* Support Catalyst build in OSX scripts

* Remove unnecessary iOS reference to AssetsLibrary framework

* Getting closer

* Try some things, port to Python 3

* Some additional fixes

* Point Cmake Plist gen to osx directory for Catalyst targets

* Remove dynamic lib references for Catalyst, copy iOS instead of macos

* Add flag for building only specified archs, remove iOS catalyst refs

* Add build-xcframework.sh

* Update build-xcframework.sh

* Add presumptive Apple Silicon support

* Add arm64 iphonesimulator target

* Fix xcframework build

* Working on arm64 iOS simulator

* Support 2.7 (replace run with check_output)

* Correctly check output of uname_m against arch

* Clean up

* Use lipo for intermediate frameworks, add python script

Remove unneeded __init__.py

* Simplify python xcframework build script

* Add --only-64-bit flag

* Add --framework-name flag

* Document

* Commit to f-strings, improve console output

* Add i386 to iphonesimulator platform in xcframework generator

* Enable objc for non-Catalyst frameworks

* Fix xcframework builder for paths with spaces

* Use arch when specifying Catalyst build platform in build command

* Fix incorrect settings for framework_name argparse configuration

* Prefer underscores instead of hyphens in new flags

* Move Catalyst flags to where they'll actually get used

* Use --without=objc on Catalyst target for now

* Remove get_or_create_folder and simplify logic

* Remove unused import

* Tighten up help text

* Document

* Move common functions into cv_build_utils

* Improve documentation

* Remove old build script

* Add readme

* Check for required CMake and Xcode versions

* Clean up TODOs and re-enable `copy_samples()`

Remove TODO

Fixup

* Add missing print_function import

* Clarify CMake dependency documentation

* Revert python2 change in gen_objc

* Remove unnecessary builtins imports

* Remove trailing whitespace

* Avoid building Catalyst unless specified

This makes Catalyst support a non-breaking change, though defaults should be specified when a breaking change is possible.

* Prevent lipoing for the same archs on different platforms before build

* Rename build-xcframework.py to build_xcframework.py

* Check for duplicate archs more carefully

* Prevent sample copying error when directory already exists

This can happen when building multiple architectures for the same platform.

* Simplify code for checking for default archs

* Improve build_xcframework.py header text

* Correctly resolve Python script paths

* Parse only known args in ios/osx build_framework.py

* Pass through uncaptured args in build_xcframework to osx/ios build

* Fix typo

* Fix typo

* Fix unparameterized build path for intermediate frameworks

* Fix dyanmic info.plist path for catalyst

* Fix utf-8 Python 3 issue

* Add dynamic flag to osx script

* Rename platform to platforms, remove armv7s and i386

* Fix creation of dynamic framework on maccatalyst and macos

* Update platforms/apple/readme.md

* Add `macos_archs` flag and deprecate `archs` flag

* Allow specification of archs when generating xcframework from terminal

* Change xcframework platform argument names to match archs flag names

* Remove platforms as a concept and shadow archs flags from ios/osx .py

* Improve documentation

* Fix building of objc module on Catalyst, excluding Swift

* Clean up build folder logic a bit

* Fix framework_name flag

* Drop passthrough_args, use unknown_args instead

* minor: coding style changes

Co-authored-by: Chris Ballinger <cballinger@rightpoint.com>
2020-11-24 21:54:54 +00:00

66 lines
2.1 KiB
Python

#!/usr/bin/env python
"""
Common utilities. These should be compatible with Python 2 and 3.
"""
from __future__ import print_function
import sys, re
from subprocess import check_call, check_output, CalledProcessError
def execute(cmd, cwd = None):
print("Executing: %s in %s" % (cmd, cwd), file=sys.stderr)
print('Executing: ' + ' '.join(cmd))
retcode = check_call(cmd, cwd = cwd)
if retcode != 0:
raise Exception("Child returned:", retcode)
def print_header(text):
print("="*60)
print(text)
print("="*60)
def print_error(text):
print("="*60, file=sys.stderr)
print("ERROR: %s" % text, file=sys.stderr)
print("="*60, file=sys.stderr)
def get_xcode_major():
ret = check_output(["xcodebuild", "-version"]).decode('utf-8')
m = re.match(r'Xcode\s+(\d+)\..*', ret, flags=re.IGNORECASE)
if m:
return int(m.group(1))
else:
raise Exception("Failed to parse Xcode version")
def get_xcode_version():
"""
Returns the major and minor version of the current Xcode
command line tools as a tuple of (major, minor)
"""
ret = check_output(["xcodebuild", "-version"]).decode('utf-8')
m = re.match(r'Xcode\s+(\d+)\.(\d+)', ret, flags=re.IGNORECASE)
if m:
return (int(m.group(1)), int(m.group(2)))
else:
raise Exception("Failed to parse Xcode version")
def get_xcode_setting(var, projectdir):
ret = check_output(["xcodebuild", "-showBuildSettings"], cwd = projectdir).decode('utf-8')
m = re.search("\s" + var + " = (.*)", ret)
if m:
return m.group(1)
else:
raise Exception("Failed to parse Xcode settings")
def get_cmake_version():
"""
Returns the major and minor version of the current CMake
command line tools as a tuple of (major, minor, revision)
"""
ret = check_output(["cmake", "--version"]).decode('utf-8')
m = re.match(r'cmake\sversion\s+(\d+)\.(\d+).(\d+)', ret, flags=re.IGNORECASE)
if m:
return (int(m.group(1)), int(m.group(2)), int(m.group(3)))
else:
raise Exception("Failed to parse CMake version")