Compiler problems with pip during numpy install under Windows 8.1, 7 Enterprise and 7 Home Editions

Question

I am unable to install numpy via pip install numpy on my computer running Python 3.4 due to various errors I receive linked to compilation issues (This is only the case on a

Answer 1

I was able to reproduce all these errors in Windows 7 Professional (64 bit).

Your final issue (Broken toolchain) is caused by more manifest related issues. I was able to work around this by changing the following line (in msvc9compiler.py):

mfinfo = self.manifest_get_embed_info(target_desc, ld_args)

to

mfinfo = None

thus bypassing the if statement which immediately follows. After this change numpy successfully compiled for me.