Merge remote-tracking branch 'origin/master' into deterministic-builds

.editorconfig

@@ -0,0 +1,14 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# Use 4 spaces the Python files
+[*.py]
+indent_size = 4

.gitignore

@@ -86,9 +86,11 @@ celerybeat-schedule
 .venv
 venv/
 venv3/
+venv2/
 ENV/
 env/
 env3/
+env2/
 
 # Spyder project settings
 .spyderproject

README.md

@@ -15,13 +15,13 @@ Python wheels are great. Building them across **Mac, Linux, Windows**, on **mult
 What does it do?
 ----------------
 
-|   | macOS 10.6+ intel | macOS 10.9+ x86_64 | manylinux i686 | manylinux x86_64 |  Windows 32bit | Windows 64bit |
+|   | macOS 10.9+ x86_64 | manylinux i686 | manylinux x86_64 |  Windows 32bit | Windows 64bit |
-|---|---|---|---|---|---|---|
+|---|---|---|---|---|---|
-| Python 2.7 | ✅ |    | ✅ | ✅ | ✅¹ | ✅¹ |
+| Python 2.7 | ✅ | ✅ | ✅ | ✅¹ | ✅¹ |
-| Python 3.5 | ✅ |    | ✅ | ✅ | ✅  | ✅  |
+| Python 3.5 | ✅ | ✅ | ✅ | ✅  | ✅  |
-| Python 3.6 | ✅ |    | ✅ | ✅ | ✅  | ✅  |
+| Python 3.6 | ✅ | ✅ | ✅ | ✅  | ✅  |
-| Python 3.7 | ✅ |    | ✅ | ✅ | ✅  | ✅  |
+| Python 3.7 | ✅ | ✅ | ✅ | ✅  | ✅  |
-| Python 3.8 |    | ✅ | ✅ | ✅ | ✅  | ✅  |
+| Python 3.8 | ✅ | ✅ | ✅ | ✅  | ✅  |
 
 > ¹ Not supported on Travis
 

cibuildwheel/__main__.py

@@ -61,7 +61,7 @@ def main():
     args = parser.parse_args()
 
     detect_obsolete_options()
-    
+
     if args.platform != 'auto':
         platform = args.platform
     else:
@@ -97,7 +97,7 @@ def main():
     if platform == 'linux':
         repair_command_default = 'auditwheel repair -w {dest_dir} {wheel}'
     elif platform == 'macos':
-        repair_command_default = 'delocate-listdeps {wheel} && delocate-wheel -w {dest_dir} {wheel}'
+        repair_command_default = 'delocate-listdeps {wheel} && delocate-wheel --require-archs x86_64 -w {dest_dir} {wheel}'
     else:
         repair_command_default = ''
     repair_command = get_option_from_environment('CIBW_REPAIR_WHEEL_COMMAND', platform=platform, default=repair_command_default)
@@ -208,15 +208,18 @@ def detect_obsolete_options():
                 print("Option '{}' is not empty. Please unset '{}'".format(alternative, deprecated))
                 exit(2)
 
-    # Check for 'manylinux1' in the 'CIBW_BUILD' and 'CIBW_SKIP' options
+    # Check for deprecated identifiers in 'CIBW_BUILD' and 'CIBW_SKIP' options
-    for deprecated in ['CIBW_BUILD', 'CIBW_SKIP']:
+    for option in ['CIBW_BUILD', 'CIBW_SKIP']:
-        if deprecated in os.environ and 'manylinux1' in os.environ[deprecated]:
+        for deprecated, alternative in [('manylinux1', 'manylinux'),
-            print("Build identifiers with 'manylinux1' have been deprecated. Replacing all occurences of 'manylinux1' by 'manylinux' in the option '{}'".format(deprecated))
+                                        ('macosx_10_6_intel', 'macosx_x86_64'),
-            os.environ[deprecated] = os.environ[deprecated].replace('manylinux1', 'manylinux')
+                                        ('macosx_10_9_x86_64', 'macosx_x86_64')]:
-        if deprecated in os.environ and ("macosx_10_6" in os.environ[deprecated] or "macosx_10_9" in os.environ[deprecated]):
+            if option in os.environ and deprecated in os.environ[option]:
-            print("Build identifiers with 'macosx_10_6' or 'macosx_10_9' have been deprecated. Replacing all occurences with 'macosx' in the option '{}'".format(deprecated))
+                print("Build identifiers with '{deprecated}' have been deprecated. Replacing all occurences of '{deprecated}' with '{alternative}' in the option '{option}'".format(
-            os.environ[deprecated] = os.environ[deprecated].replace('macosx_10_6', 'macosx').replace('macosx_10_9', 'macosx')
+                    deprecated=deprecated,
-
+                    alternative=alternative,
+                    option=option,
+                ))
+                os.environ[option] = os.environ[option].replace(deprecated, alternative)
 
 def print_preamble(platform, build_options):
     print(textwrap.dedent('''

cibuildwheel/macos.py

@@ -8,17 +8,17 @@ try:
 except ImportError:
     from pipes import quote as shlex_quote
 
-from .util import prepare_command, get_build_verbosity_extra_flags, get_pip_script
+from .util import prepare_command, get_build_verbosity_extra_flags, download, get_pip_script
 
 
 def get_python_configurations(build_selector):
     PythonConfiguration = namedtuple('PythonConfiguration', ['version', 'identifier', 'url'])
     python_configurations = [
-        PythonConfiguration(version='2.7', identifier='cp27-macosx_intel', url='https://www.python.org/ftp/python/2.7.17/python-2.7.17-macosx10.6.pkg'),
+        PythonConfiguration(version='2.7', identifier='cp27-macosx_x86_64', url='https://www.python.org/ftp/python/2.7.17/python-2.7.17-macosx10.9.pkg'),
-        PythonConfiguration(version='3.5', identifier='cp35-macosx_intel', url='https://www.python.org/ftp/python/3.5.4/python-3.5.4-macosx10.6.pkg'),
+        PythonConfiguration(version='3.5', identifier='cp35-macosx_x86_64', url='https://www.python.org/ftp/python/3.5.4/python-3.5.4-macosx10.6.pkg'),
-        PythonConfiguration(version='3.6', identifier='cp36-macosx_intel', url='https://www.python.org/ftp/python/3.6.8/python-3.6.8-macosx10.6.pkg'),
+        PythonConfiguration(version='3.6', identifier='cp36-macosx_x86_64', url='https://www.python.org/ftp/python/3.6.8/python-3.6.8-macosx10.9.pkg'),
-        PythonConfiguration(version='3.7', identifier='cp37-macosx_intel', url='https://www.python.org/ftp/python/3.7.5/python-3.7.5-macosx10.6.pkg'),
+        PythonConfiguration(version='3.7', identifier='cp37-macosx_x86_64', url='https://www.python.org/ftp/python/3.7.6/python-3.7.6-macosx10.9.pkg'),
-        PythonConfiguration(version='3.8', identifier='cp38-macosx_x86_64', url='https://www.python.org/ftp/python/3.8.0/python-3.8.0-macosx10.9.pkg'),
+        PythonConfiguration(version='3.8', identifier='cp38-macosx_x86_64', url='https://www.python.org/ftp/python/3.8.1/python-3.8.1-macosx10.9.pkg'),
     ]
 
     # skip builds as required
@@ -52,12 +52,13 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
         python_package_identifier = 'org.python.Python.PythonFramework-%s' % config.version
         if python_package_identifier not in installed_system_packages:
             # download the pkg
-            call(['curl', '-L', '-o', '/tmp/Python.pkg', config.url])
+            download(config.url, '/tmp/Python.pkg')
             # install
             call(['sudo', 'installer', '-pkg', '/tmp/Python.pkg', '-target', '/'])
             # patch open ssl
             if config.version == '3.5':
-                call(['curl', '-fsSLo', '/tmp/python-patch.tar.gz', 'https://github.com/mayeut/patch-macos-python-openssl/releases/download/v1.0.2t/patch-macos-python-%s-openssl-v1.0.2t.tar.gz' % config.version])
+                open_ssl_patch_url = 'https://github.com/mayeut/patch-macos-python-openssl/releases/download/v1.0.2t/patch-macos-python-%s-openssl-v1.0.2t.tar.gz' % config.version
+                download(open_ssl_patch_url, '/tmp/python-patch.tar.gz')
                 call(['sudo', 'tar', '-C', '/Library/Frameworks/Python.framework/Versions/%s/' % config.version, '-xmf', '/tmp/python-patch.tar.gz'])
 
         installation_bin_path = '/Library/Frameworks/Python.framework/Versions/{}/bin'.format(config.version)
@@ -94,6 +95,17 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
         call(['pip', '--version'], env=env)
         call(['pip', 'install', '--upgrade', 'setuptools', 'wheel', 'delocate'] + dependency_constraint_flags, env=env)
 
+        # setup target platform, only required for python 3.5
+        if config.version == '3.5':
+            if '_PYTHON_HOST_PLATFORM' not in env:
+                # cross-compilation platform override
+                env['_PYTHON_HOST_PLATFORM'] = 'macosx-10.9-x86_64'
+            if 'ARCHFLAGS' not in env:
+                # https://github.com/python/cpython/blob/a5ed2fe0eedefa1649aa93ee74a0bafc8e628a10/Lib/_osx_support.py#L260
+                env['ARCHFLAGS'] = '-arch x86_64'
+            if 'MACOSX_DEPLOYMENT_TARGET' not in env:
+                env['MACOSX_DEPLOYMENT_TARGET'] = '10.9'
+
         # run the before_build command
         if before_build:
             before_build_prepared = prepare_command(before_build, project=abs_project_dir)

cibuildwheel/util.py

@@ -1,6 +1,12 @@
 from fnmatch import fnmatch
 import warnings
 import os
+from time import sleep
+
+try:
+    from urllib.request import urlopen
+except ImportError:
+    from urllib2 import urlopen
 
 
 def prepare_command(command, **kwargs):
@@ -53,4 +59,28 @@ class Unbuffered(object):
         return getattr(self.stream, attr)
 
 
+def download(url, dest):
+    print('+ Download ' + url + ' to ' + dest)
+    dest_dir = os.path.dirname(dest)
+    if not os.path.exists(dest_dir):
+        os.makedirs(dest_dir)
+
+    repeat_num = 3
+    for i in range(repeat_num):
+        try:
+            response = urlopen(url)
+        except:
+            if i == repeat_num - 1:
+                raise
+            sleep(3)
+            continue
+        break
+
+    try:
+        with open(dest, 'wb') as file:
+            file.write(response.read())
+    finally:
+        response.close()
+
+
 get_pip_script = os.path.abspath(os.path.join(os.path.dirname(__file__), 'resources', 'get-pip.py'))

cibuildwheel/windows.py

@@ -1,6 +1,5 @@
 from __future__ import print_function
 import os, tempfile, subprocess, shutil, sys
-from time import sleep
 from collections import namedtuple
 from glob import glob
 
@@ -9,12 +8,7 @@ try:
 except ImportError:
     from pipes import quote as shlex_quote
 
-try:
+from .util import prepare_command, get_build_verbosity_extra_flags, download, get_pip_script
-    from urllib.request import urlopen
-except ImportError:
-    from urllib2 import urlopen
-
-from .util import prepare_command, get_build_verbosity_extra_flags, get_pip_script
 
 
 IS_RUNNING_ON_AZURE = os.path.exists('C:\\hostedtoolcache')
@@ -64,28 +58,6 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
         args = ['cmd', '/E:ON', '/V:ON', '/C'] + args
         return subprocess.check_call(' '.join(args), env=env, cwd=cwd)
 
-    def download(url, dest):
-        print('+ Download ' + url + ' to ' + dest)
-        dest_dir = os.path.dirname(dest)
-        if not os.path.exists(dest_dir):
-            os.makedirs(dest_dir)
-        repeat_num = 3
-        for i in range(repeat_num):
-            try:
-                response = urlopen(url)
-            except:
-                if i == repeat_num - 1:
-                    raise
-                sleep(3)
-                continue
-            break
-
-        try:
-            with open(dest, 'wb') as file:
-                file.write(response.read())
-        finally:
-            response.close()
-
     if IS_RUNNING_ON_AZURE or IS_RUNNING_ON_TRAVIS:
         shell = simple_shell
     else:

docs/options.md

@@ -64,7 +64,7 @@ This option can also be set using the command-line option `--platform`.
 
 > Choose the Python versions to build
 
-Space-separated list of builds to build and skip. Each build has an identifier like `cp27-manylinux_x86_64` or `cp35-macosx_intel` - you can list specific ones to build and `cibuildwheel` will only build those, and/or list ones to skip and `cibuildwheel` won't try to build them.
+Space-separated list of builds to build and skip. Each build has an identifier like `cp27-manylinux_x86_64` or `cp35-macosx_x86_64` - you can list specific ones to build and `cibuildwheel` will only build those, and/or list ones to skip and `cibuildwheel` won't try to build them.
 
 When both options are specified, both conditions are applied and only builds with a tag that matches `CIBW_BUILD` and does not match `CIBW_SKIP` will be built.
 
@@ -72,13 +72,13 @@ When setting the options, you can use shell-style globbing syntax (as per `fnmat
 
 <div class="build-id-table-marker"></div>
 
-|            | macOS 64bit         | macOS 32/64bit     | Manylinux 64bit        | Manylinux 32bit      | Windows 64bit   | Windows 32bit  |
+|            | macOS 64bit        | Manylinux 64bit        | Manylinux 32bit      | Windows 64bit   | Windows 32bit  |
-|------------|---------------------|--------------------|------------------------|----------------------|-----------------|----------------|
+|------------|--------------------|------------------------|----------------------|-----------------|----------------|
-| Python 2.7 |                     | cp27-macosx_intel  | cp27-manylinux_x86_64  | cp27-manylinux_i686  | cp27-win_amd64  | cp27-win32     |
+| Python 2.7 | cp27-macosx_x86_64 | cp27-manylinux_x86_64  | cp27-manylinux_i686  | cp27-win_amd64  | cp27-win32     |
-| Python 3.5 |                     | cp35-macosx_intel  | cp35-manylinux_x86_64  | cp35-manylinux_i686  | cp35-win_amd64  | cp35-win32     |
+| Python 3.5 | cp35-macosx_x86_64 | cp35-manylinux_x86_64  | cp35-manylinux_i686  | cp35-win_amd64  | cp35-win32     |
-| Python 3.6 |                     | cp36-macosx_intel  | cp36-manylinux_x86_64  | cp36-manylinux_i686  | cp36-win_amd64  | cp36-win32     |
+| Python 3.6 | cp36-macosx_x86_64 | cp36-manylinux_x86_64  | cp36-manylinux_i686  | cp36-win_amd64  | cp36-win32     |
-| Python 3.7 |                     | cp37-macosx_intel  | cp37-manylinux_x86_64  | cp37-manylinux_i686  | cp37-win_amd64  | cp37-win32     |
+| Python 3.7 | cp37-macosx_x86_64 | cp37-manylinux_x86_64  | cp37-manylinux_i686  | cp37-win_amd64  | cp37-win32     |
-| Python 3.8 | cp38-macosx_x86_64  |                    | cp38-manylinux_x86_64  | cp38-manylinux_i686  | cp38-win_amd64  | cp38-win32     |
+| Python 3.8 | cp38-macosx_x86_64 | cp38-manylinux_x86_64  | cp38-manylinux_i686  | cp38-win_amd64  | cp38-win32     |
 
 The list of supported and currently selected build identifiers can also be retrieved by passing the `--print-build-identifiers` flag to `cibuildwheel`.
 The format is `python_tag-platform_tag`, with tags similar to those in [PEP 425](https://www.python.org/dev/peps/pep-0425/#details).
@@ -90,7 +90,7 @@ The format is `python_tag-platform_tag`, with tags similar to those in [PEP 425]
 CIBW_BUILD: cp36-*
 
 # Skip building on Python 2.7 on the Mac
-CIBW_SKIP: cp27-macosx_intel
+CIBW_SKIP: cp27-macosx_x86_64
 
 # Skip building on Python 3.8 on the Mac
 CIBW_SKIP: cp38-macosx_x86_64
@@ -208,7 +208,7 @@ CIBW_BEFORE_BUILD: yum install -y libffi-dev && pip install .
 Default:
 
 - on Linux: `'auditwheel repair -w {dest_dir} {wheel}'`
-- on macOS: `'delocate-listdeps {wheel} && delocate-wheel -w {dest_dir} {wheel}'`
+- on macOS: `'delocate-listdeps {wheel} && delocate-wheel --require-archs x86_64 -w {dest_dir} {wheel}'`
 - on Windows: `''`
 
 A shell command to repair a built wheel by copying external library dependencies into the wheel tree and relinking them.

docs/setup.md

@@ -11,6 +11,9 @@ Using Azure pipelines, you can build all three platforms on the same service. Cr
 {% include "../examples/azure-pipelines-minimal.yml" %}
 ```
 
+!!! note
+    To support Python 3.5 on Windows, make sure to specify the use of `{vmImage: 'vs2017-win2016'}` on Windows, to ensure the required toolchain is available.
+
 Commit this file, enable building of your repo on Azure Pipelines, and push.
 
 Wheels will be stored for you and available through the Pipelines interface. For more info on this file, check out the [docs](https://docs.microsoft.com/en-us/azure/devops/pipelines/yaml-schema).

test/06_docker_images/cibuildwheel_test.py

@@ -9,12 +9,9 @@ def test():
 
     actual_wheels = utils.cibuildwheel_run(project_dir, add_env={
         'CIBW_MANYLINUX_X86_64_IMAGE': 'dockcross/manylinux2010-x64',
-        'CIBW_MANYLINUX_I686_IMAGE': 'dockcross/manylinux1-x86',
+        'CIBW_MANYLINUX_I686_IMAGE': 'dockcross/manylinux2010-x86',
-        'CIBW_BEFORE_BUILD': '/opt/python/cp36-cp36m/bin/pip install -U auditwheel',  # Currently necessary on dockcross images to get auditwheel 2.1 supporting AUDITWHEEL_PLAT
-        'CIBW_ENVIRONMENT': 'AUDITWHEEL_PLAT=`if [ $(uname -i) == "x86_64" ]; then echo "manylinux2010_x86_64"; else echo "manylinux1_i686"; fi`',
     })
 
     # also check that we got the right wheels built
-    expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
+    expected_wheels = utils.expected_wheels('spam', '0.1.0')
-                       if '-manylinux2010_i686' not in w]
     assert set(actual_wheels) == set(expected_wheels)

test/shared/utils.py

@@ -86,22 +86,20 @@ def expected_wheels(package_name, package_version, manylinux_versions=['manylinu
                 platform_tags.append('{manylinux_version}_{architecture}'.format(
                     manylinux_version=manylinux_version, architecture=architecture
                 ))
-            
+
         def get_platform_tags(python_abi_tag):
             return platform_tags
-        
+
     elif platform == 'windows':
 
         def get_platform_tags(python_abi_tag):
             return ['win32', 'win_amd64']
-        
+
     elif platform == 'macos':
-        
+
         def get_platform_tags(python_abi_tag):
-            if python_abi_tag == 'cp38-cp38':
+            return ['macosx_' + (macosx_deployment_target or "10.9").replace(".", "_") + '_x86_64']
-                return ['macosx_' + (macosx_deployment_target or "10.9").replace(".", "_") + '_x86_64']
+
-            else:
-                return ['macosx_' + (macosx_deployment_target or "10.6").replace(".", "_") + '_intel']
     else:
         raise Exception('unsupported platform')
 

unit_test/main_options_test.py

@@ -50,7 +50,7 @@ def test_build_selector(platform, intercepted_build_args, monkeypatch):
     monkeypatch.setenv('CIBW_SKIP', SKIP)
 
     main()
-    
+
     intercepted_build_selector = intercepted_build_args.kwargs['build_selector']
     assert isinstance(intercepted_build_selector, BuildSelector)
     assert intercepted_build_selector('build-this')
@@ -60,12 +60,12 @@ def test_build_selector(platform, intercepted_build_args, monkeypatch):
 
 
 @pytest.mark.parametrize('architecture, image, full_image', [
-    ('x86_64', None, 'quay.io/pypa/manylinux2010_x86_64'), 
+    ('x86_64', None, 'quay.io/pypa/manylinux2010_x86_64'),
     ('x86_64', 'manylinux1', 'quay.io/pypa/manylinux1_x86_64'),
     ('x86_64', 'manylinux2010', 'quay.io/pypa/manylinux2010_x86_64'),
     ('x86_64', 'manylinux2014', 'quay.io/pypa/manylinux2014_x86_64'),
     ('x86_64', 'custom_image', 'custom_image'),
-    ('i686', None, 'quay.io/pypa/manylinux2010_i686'), 
+    ('i686', None, 'quay.io/pypa/manylinux2010_i686'),
     ('i686', 'manylinux1', 'quay.io/pypa/manylinux1_i686'),
     ('i686', 'manylinux2010', 'quay.io/pypa/manylinux2010_i686'),
     ('i686', 'manylinux2014', 'quay.io/pypa/manylinux2014_i686'),
@@ -87,7 +87,7 @@ def get_default_repair_command(platform):
     if platform == 'linux':
         return 'auditwheel repair -w {dest_dir} {wheel}'
     elif platform == 'macos':
-        return 'delocate-listdeps {wheel} && delocate-wheel -w {dest_dir} {wheel}'
+        return 'delocate-listdeps {wheel} && delocate-wheel --require-archs x86_64 -w {dest_dir} {wheel}'
     elif platform == 'windows':
         return ''
     else:
@@ -139,9 +139,9 @@ def test_test_requires(test_requires, platform_specific, platform, intercepted_b
             monkeypatch.setenv('CIBW_TEST_REQUIRES', 'overwritten')
         else:
             monkeypatch.setenv('CIBW_TEST_REQUIRES', test_requires)
-    
+
     main()
-    
+
     assert intercepted_build_args.kwargs['test_requires'] == (test_requires or '').split()
 
 
@@ -154,9 +154,9 @@ def test_test_extras(test_extras, platform_specific, platform, intercepted_build
             monkeypatch.setenv('CIBW_TEST_EXTRAS', 'overwritten')
         else:
             monkeypatch.setenv('CIBW_TEST_EXTRAS', test_extras)
-    
+
     main()
-    
+
     assert intercepted_build_args.kwargs['test_extras'] == ('[' + test_extras + ']' if test_extras else '')
 
 
@@ -204,3 +204,26 @@ def test_build_verbosity(build_verbosity, platform_specific, platform, intercept
 
     expected_verbosity = max(-3, min(3, int(build_verbosity or 0)))
     assert intercepted_build_args.kwargs['build_verbosity'] == expected_verbosity
+
+
+@pytest.mark.parametrize('option_name', ['CIBW_BUILD', 'CIBW_SKIP'])
+@pytest.mark.parametrize('option_value, build_selector_patterns', [
+    ('*-manylinux1_*', ['*-manylinux_*']),
+    ('*-macosx_10_6_intel', ['*-macosx_x86_64']),
+    ('*-macosx_10_9_x86_64', ['*-macosx_x86_64']),
+    ('cp37-macosx_10_9_x86_64', ['cp37-macosx_x86_64']),
+])
+def test_build_selector_migrations(intercepted_build_args, monkeypatch, option_name, option_value, build_selector_patterns):
+    monkeypatch.setenv(option_name, option_value)
+
+    main()
+
+    intercepted_build_selector = intercepted_build_args.kwargs['build_selector']
+    assert isinstance(intercepted_build_selector, BuildSelector)
+
+    if option_name == 'CIBW_BUILD':
+        assert intercepted_build_selector.build_patterns == build_selector_patterns
+    else:
+        assert intercepted_build_selector.skip_patterns == build_selector_patterns
+
+

unit_test/main_util_fixtures.py

@@ -4,7 +4,7 @@ import sys
 import os
 import subprocess
 
-from cibuildwheel import linux, macos, windows
+from cibuildwheel import linux, macos, windows, util
 
 
 class ArgsInterceptor(object):
@@ -26,7 +26,7 @@ def mock_protection(monkeypatch):
         raise RuntimeError("This should never be called")
 
     monkeypatch.setattr(subprocess, 'Popen', fail_on_call)
-    monkeypatch.setattr(windows, 'urlopen', fail_on_call)
+    monkeypatch.setattr(util, 'download', fail_on_call)
     monkeypatch.setattr(windows, 'build', fail_on_call)
     monkeypatch.setattr(linux, 'build', fail_on_call)
     monkeypatch.setattr(macos, 'build', fail_on_call)