Hi, For distutils.command.build_clib the commonly used code below does not work for adding additional compiler flags (it works using distutils.command.build_ext):
extra_compile_args = '-fopenmp' On Unix-like system I found a workaround which allows to specify additional compiler flags for distutils.command.build_clib: cflags = distutils.sysconfig.get_config_var('CFLAGS') distutils.sysconfig._config_vars['CFLAGS'] = cflags + " -fopenmp" Unfortunately this does not work with Microsoft's C/C++ compiler cl.exe. Does anybody know how I can add additional compiler flags for cl.exe and distutils.command.build_clib? Thanks and best regards!
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