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from __future__ import division, absolute_import, print_function
from distutils.ccompiler import new_compiler
from numpy.distutils.numpy_distribution import NumpyDistribution
def test_ccompiler():
'''
scikit-image/scikit-image issue 4369
We unconditionally add ``-std-c99`` to the gcc compiler in order
to support c99 with very old gcc compilers. However the same call
is used to get the flags for the c++ compiler, just with a kwarg.
Make sure in this case, where it would not be legal, the option is **not** added
'''
dist = NumpyDistribution()
compiler = new_compiler()
compiler.customize(dist)
if hasattr(compiler, 'compiler') and 'gcc' in compiler.compiler[0]:
assert 'c99' in ' '.join(compiler.compiler)
compiler = new_compiler()
compiler.customize(dist, need_cxx=True)
if hasattr(compiler, 'compiler') and 'gcc' in compiler.compiler[0]:
assert 'c99' not in ' '.join(compiler.compiler)
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