baf41fce84
GitHub issue #133 was raised by @archey: Compilation issues due to strict aliasing These errors occured when building with gcc 6.3: ``` gcc -pthread -DNDEBUG -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -march=x86-64 -mtune=generic -O3 -pipe -fstack-protector-all --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 -fPIC -DBBBVERSION41 -I/usr/include/python2.7 -c source/py_gpio.c -o build/temp.linux-x86_64-2.7/source/py_gpio.o -Wall -Werror -Wextra -Wno-missing-field-initializers source/py_gpio.c: In function ‘py_event_detected’: source/py_gpio.c:433:7: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] Py_RETURN_TRUE; ^~~~~~~~~~~~~~ source/py_gpio.c:435:7: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] Py_RETURN_FALSE; ^~~~~~~~~~~~~~~ source/py_gpio.c: In function ‘py_wait_for_edge’: source/py_gpio.c:479:7: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] Py_RETURN_FALSE; ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1 ``` Py_RETURN_TRUE and Py_RETURN_FALSE are part of the Python C API: https://docs.python.org/2/c-api/bool.html
53 lines
2.5 KiB
Python
53 lines
2.5 KiB
Python
try:
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from overlays import builder
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builder.compile()
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builder.copy()
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except:
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pass
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import distribute_setup
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import io
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import sys
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import platform
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distribute_setup.use_setuptools()
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from setuptools import setup, Extension, find_packages
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open_as_utf8 = lambda x: io.open(x, encoding='utf-8')
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kernel = platform.release()
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if kernel >= '4.1.0':
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kernel41 = [('BBBVERSION41', None)]
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else:
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kernel41 = None
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CFLAGS = ['-Wall', '-Werror', '-Wextra', '-Wno-missing-field-initializers', '-Wno-strict-aliasing' ]
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classifiers = ['Development Status :: 3 - Alpha',
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'Operating System :: POSIX :: Linux',
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'License :: OSI Approved :: MIT License',
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'Intended Audience :: Developers',
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'Programming Language :: Python :: 2.7',
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'Programming Language :: Python :: 3',
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'Topic :: Software Development',
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'Topic :: Home Automation',
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'Topic :: System :: Hardware']
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setup(name = 'Adafruit_BBIO',
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version = '1.0.2',
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author = 'Justin Cooper',
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author_email = 'justin@adafruit.com',
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description = 'A module to control BeagleBone IO channels',
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long_description = open_as_utf8('README.rst').read() + open_as_utf8('CHANGELOG.rst').read(),
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license = 'MIT',
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keywords = 'Adafruit BeagleBone IO GPIO PWM ADC',
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url = 'https://github.com/adafruit/adafruit-beaglebone-io-python/',
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classifiers = classifiers,
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packages = find_packages(),
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py_modules = ['Adafruit_I2C'],
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ext_modules = [Extension('Adafruit_BBIO.GPIO', ['source/py_gpio.c', 'source/event_gpio.c', 'source/c_pinmux.c', 'source/constants.c', 'source/common.c'], extra_compile_args=CFLAGS, define_macros=kernel41),
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Extension('Adafruit_BBIO.PWM', ['source/py_pwm.c', 'source/c_pwm.c', 'source/c_pinmux.c', 'source/constants.c', 'source/common.c'], extra_compile_args=CFLAGS, define_macros=kernel41),
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Extension('Adafruit_BBIO.ADC', ['source/py_adc.c', 'source/c_adc.c', 'source/constants.c', 'source/common.c'], extra_compile_args=CFLAGS, define_macros=kernel41),
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Extension('Adafruit_BBIO.SPI', ['source/spimodule.c', 'source/constants.c', 'source/common.c'], extra_compile_args=CFLAGS, define_macros=kernel41),
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Extension('Adafruit_BBIO.UART', ['source/py_uart.c', 'source/c_uart.c', 'source/constants.c', 'source/common.c'], extra_compile_args=CFLAGS, define_macros=kernel41)] )
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