Hello,

I don't know if it's because of that, but your problems might go away when 
using GCC instead of Clang.

Arnav Roy <[email protected]> wrote:
>Hi,
>
>I am trying to install jinja2 using pip but the installation gets stuck
>
>indefinitely while installing markupsafe, here's the terminal output:
>
>-------------
>pip install jinja2
>Requirement already satisfied (use --upgrade to upgrade): jinja2 in 
>./flask_venv/lib/python2.7/site-packages
>Downloading/unpacking markupsafe (from jinja2)
>  Downloading MarkupSafe-0.18.tar.gz
>  Running setup.py egg_info for package markupsafe
>    
>Installing collected packages: markupsafe
>  Running setup.py install for markupsafe
>    
>    building 'markupsafe._speedups' extension
>cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g
>
>-Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd 
>-DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes 
>-Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes 
>-DENABLE_DTRACE -arch x86_64 -arch i386 -pipe 
>-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
>
>-c markupsafe/_speedups.c -o 
>build/temp.macosx-10.9-intel-2.7/markupsafe/_speedups.o
>  clang: warning: argument unused during compilation: '-mno-fused-madd'
>-------------
>
>And here's my system info:
>- Python 2.7.5
>- Xcode 4.1
>- Mac OS X 10.9
>
>Any clues?
>
>Thanks in advance!
>
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