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| author | E. Madison Bray <erik.bray@lri.fr> | 2020-10-13 14:32:15 +0200 |
|---|---|---|
| committer | E. Madison Bray <erik.bray@lri.fr> | 2020-10-13 14:34:15 +0200 |
| commit | 3c118aab05ca06f30b2eec8057e2e46db98ad745 (patch) | |
| tree | 7206f15067bead7c6b2d72d399b0ca6aa701d0ee /numpy | |
| parent | 9cc9f776cebf8207c0811ce600b7a76d9f54afa4 (diff) | |
| download | numpy-3c118aab05ca06f30b2eec8057e2e46db98ad745.tar.gz | |
BUG: Workaround for #14787: on Windows/Cygwin add extra compiler flags
when building the numpy.core._multiarray_umath module
This adds the extra compile args to the extension needed to work around
the bug but only in the known case where the bug is relevant.
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/core/setup.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/numpy/core/setup.py b/numpy/core/setup.py index 92dcacede..b3e17baed 100644 --- a/numpy/core/setup.py +++ b/numpy/core/setup.py @@ -102,7 +102,7 @@ def win32_checks(deflist): if a == "Intel" or a == "AMD64": deflist.append('FORCE_NO_LONG_DOUBLE_FORMATTING') -def check_math_capabilities(config, moredefs, mathlibs): +def check_math_capabilities(config, ext, moredefs, mathlibs): def check_func(func_name): return config.check_func(func_name, libraries=mathlibs, decl=True, call=True) @@ -167,6 +167,14 @@ def check_math_capabilities(config, moredefs, mathlibs): for dec, fn in OPTIONAL_FUNCTION_ATTRIBUTES: if config.check_gcc_function_attribute(dec, fn): moredefs.append((fname2def(fn), 1)) + if fn == 'attribute_target_avx512f': + # GH-14787: Work around GCC<8.4 bug when compiling with AVX512 + # support on Windows-based platforms + if (sys.platform in ('win32', 'cygwin') and + config.check_compiler_gcc() and + not config.check_gcc_version_at_least(8, 4)): + ext.extra_compile_args.extend( + ['-ffixed-xmm%s' % n for n in range(16, 32)]) for dec, fn, code, header in OPTIONAL_FUNCTION_ATTRIBUTES_WITH_INTRINSICS: if config.check_gcc_function_attribute_with_intrinsics(dec, fn, code, @@ -434,7 +442,7 @@ def configuration(parent_package='',top_path=None): mathlibs = check_mathlib(config_cmd) moredefs.append(('MATHLIB', ','.join(mathlibs))) - check_math_capabilities(config_cmd, moredefs, mathlibs) + check_math_capabilities(config_cmd, ext, moredefs, mathlibs) moredefs.extend(cocache.check_ieee_macros(config_cmd)[0]) moredefs.extend(cocache.check_complex(config_cmd, mathlibs)[0]) |