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Bring back HNSWLIB_NO_NATIVE #493

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Merged
merged 3 commits into from
Aug 19, 2023
Merged

Bring back HNSWLIB_NO_NATIVE #493

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08569de
Bring back HNSWLIB_NO_NATIVE
dyashuni Aug 11, 2023
e023f7e
Fix
dyashuni Aug 11, 2023
eecd540
Rename flag, use class name to access static variables
dyashuni Aug 13, 2023
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40 changes: 22 additions & 18 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,15 +73,19 @@ def cpp_flag(compiler):

class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
native_flag = '-march=native'
c_opts = {
'msvc': ['/EHsc', '/openmp', '/O2'],
'unix': ['-O3', '-march=native'], # , '-w'
'unix': ['-O3', native_flag], # , '-w'
}
link_opts = {
'unix': [],
'msvc': [],
}

if os.environ.get("HNSWLIB_NO_NATIVE"):
c_opts['unix'].remove(native_flag)

if sys.platform == 'darwin':
c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7']
link_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7']
Expand All @@ -97,23 +101,23 @@ def build_extensions(self):
opts.append(cpp_flag(self.compiler))
if has_flag(self.compiler, '-fvisibility=hidden'):
opts.append('-fvisibility=hidden')
# check that native flag is available
native_flag = '-march=native'
print('checking avalability of flag:', native_flag)
if not has_flag(self.compiler, native_flag):
print('removing unsupported compiler flag:', native_flag)
opts.remove(native_flag)
# for macos add apple-m1 flag if it's available
if sys.platform == 'darwin':
m1_flag = '-mcpu=apple-m1'
print('checking avalability of flag:', m1_flag)
if has_flag(self.compiler, m1_flag):
print('adding flag:', m1_flag)
opts.append(m1_flag)
else:
print(f'flag: {m1_flag} is not available')
else:
print(f'flag: {native_flag} is available')
if not os.environ.get("HNSWLIB_NO_NATIVE"):
# check that native flag is available
print('checking avalability of flag:', self.native_flag)
if not has_flag(self.compiler, self.native_flag):
print('removing unsupported compiler flag:', self.native_flag)
opts.remove(self.native_flag)
# for macos add apple-m1 flag if it's available
if sys.platform == 'darwin':
m1_flag = '-mcpu=apple-m1'
print('checking avalability of flag:', m1_flag)
if has_flag(self.compiler, m1_flag):
print('adding flag:', m1_flag)
opts.append(m1_flag)
else:
print(f'flag: {m1_flag} is not available')
else:
print(f'flag: {self.native_flag} is available')
elif ct == 'msvc':
opts.append('/DVERSION_INFO=\\"%s\\"' % self.distribution.get_version())

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