diff options
Diffstat (limited to 'numpy/distutils/ccompiler.py')
| -rw-r--r-- | numpy/distutils/ccompiler.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/numpy/distutils/ccompiler.py b/numpy/distutils/ccompiler.py index 106436e64..6d063ee4e 100644 --- a/numpy/distutils/ccompiler.py +++ b/numpy/distutils/ccompiler.py @@ -26,10 +26,8 @@ from numpy.distutils.misc_util import cyg2win32, is_sequence, mingw32, \ _commandline_dep_string # globals for parallel build management -try: - import threading -except ImportError: - import dummy_threading as threading +import threading + _job_semaphore = None _global_lock = threading.Lock() _processing_files = set() @@ -386,6 +384,13 @@ def CCompiler_customize_cmd(self, cmd, ignore=()): """ log.info('customize %s using %s' % (self.__class__.__name__, cmd.__class__.__name__)) + + if hasattr(self, 'compiler') and 'clang' in self.compiler[0]: + # clang defaults to a non-strict floating error point model. + # Since NumPy and most Python libs give warnings for these, override: + self.compiler.append('-ftrapping-math') + self.compiler_so.append('-ftrapping-math') + def allow(attr): return getattr(cmd, attr, None) is not None and attr not in ignore |