Python numpy.distutils.misc_util.mingw32() Examples

The following are 16 code examples of numpy.distutils.misc_util.mingw32(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module numpy.distutils.misc_util , or try the search function .
Example #1
Source File: setup_common.py    From auto-alt-text-lambda-api with MIT License 5 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #2
Source File: setup_common.py    From mxnet-lambda with Apache License 2.0 5 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #3
Source File: setup_common.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #4
Source File: setup_common.py    From elasticintel with GNU General Public License v3.0 5 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #5
Source File: setup_common.py    From keras-lambda with MIT License 5 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #6
Source File: setup_common.py    From recruit with Apache License 2.0 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #7
Source File: setup_common.py    From lambda-packs with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #8
Source File: setup_common.py    From vnpy_crypto with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #9
Source File: setup_common.py    From Mastering-Elasticsearch-7.0 with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #10
Source File: setup_common.py    From GraphicDesignPatternByPython with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #11
Source File: setup_common.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #12
Source File: setup_common.py    From pySINDy with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #13
Source File: setup_common.py    From coffeegrindsize with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #14
Source File: setup_common.py    From Carnets with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #15
Source File: setup_common.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()
Example #16
Source File: setup_common.py    From twitter-stock-recommendation with MIT License 4 votes vote down vote up 
def check_long_double_representation(cmd):
    cmd._check_compiler()
    body = LONG_DOUBLE_REPRESENTATION_SRC % {'type': 'long double'}

    # Disable whole program optimization (the default on vs2015, with python 3.5+)
    # which generates intermediary object files and prevents checking the
    # float representation.
    if sys.platform == "win32" and not mingw32():
        try:
            cmd.compiler.compile_options.remove("/GL")
        except (AttributeError, ValueError):
            pass

    # Disable multi-file interprocedural optimization in the Intel compiler on Linux
    # which generates intermediary object files and prevents checking the
    # float representation.
    elif (sys.platform != "win32" 
            and cmd.compiler.compiler_type.startswith('intel') 
            and '-ipo' in cmd.compiler.cc_exe):        
        newcompiler = cmd.compiler.cc_exe.replace(' -ipo', '')
        cmd.compiler.set_executables(
            compiler=newcompiler,
            compiler_so=newcompiler,
            compiler_cxx=newcompiler,
            linker_exe=newcompiler,
            linker_so=newcompiler + ' -shared'
        )

    # We need to use _compile because we need the object filename
    src, obj = cmd._compile(body, None, None, 'c')
    try:
        ltype = long_double_representation(pyod(obj))
        return ltype
    except ValueError:
        # try linking to support CC="gcc -flto" or icc -ipo
        # struct needs to be volatile so it isn't optimized away
        body = body.replace('struct', 'volatile struct')
        body += "int main(void) { return 0; }\n"
        src, obj = cmd._compile(body, None, None, 'c')
        cmd.temp_files.append("_configtest")
        cmd.compiler.link_executable([obj], "_configtest")
        ltype = long_double_representation(pyod("_configtest"))
        return ltype
    finally:
        cmd._clean()