Installing cvxopt under WINDOWS 7

Noisy for several days, finally will cvxopt installation success, here and you share the installation process:

2. Download and install Python from www.python.org. Next, use the Python 2.7.5 (32bit) version (note: The 64-bit Win 7 system can also be installed directly).
4. Download and install the MinGW compiler (www.mingw.org)
   • Download and run MinGW installer
   • Select Install C editor (C compiler), FORTRAN compiler (Fortran compiler), and Msys Basic System
   • Open the environment variable, set the environment variable, the variable name is path, the variable value is c:\python27;c:\mingw\bin;c:\mingw\msys\1.0\bin. As shown
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6. Download and compile Blas
   • Download blas.tgz, unzip to Blas folder
     
   • Go to the command line and cut into the Blas folder
   • Enter command line

     • Sed ' s/_linux/_win/' make.inc-i

     • Make && CP Blas_win.a. /libblas.a

   • Attention:.. /indicates the top-level directory of the current directory
8. Download and compile Lapack
   • Download lapack.tgz and unzip to Lapack
   • Go to the command line and cut into the Lapack folder
   • Enter the command line as follows:
     • CP Make.inc.example Make.inc
     • Make Lapacklib && CP liblapack.a.
   • Attention:.. Represents the top-level directory of the current directory
9. Download and install Cvxopt
   • Download cvxopt and unzip to cvxopt-1.1.7
   • Copy the 3rd, 4-Step generated LIBBLAS.A and liblapack.a to the directory cvxopt-1.1.7/src
   • Edit cvxopt-1.1.7/under setup.py file, set environment variables Blas_lib and Blas_lib_dir:
     • Blas_lib = [' BLAS ', ' Gfortran ']
     • Blas_lib_dir = '. '
   • Use the following command to remove '-mno-cygwin ' from the \python27\lib\distutils\cygwinccompiler.py,
     • Sed ' s/-mno-cygwin//g '-i ' bak ' c:\Python27\Lib\distutils\cygwinccompiler.py
     • Note: This command needs to run as an administrator, as an administrator, see http://jingyan.baidu.com/article/0320e2c181dc461b87507b37.html
   • Run the following command under the cvxopt-1.1.7 folder
     • Python setup.py build--compiler=mingw32

     • Python setup.py Install

     • Finally in the.  \python27\lib\site-packages saw Cvxopt-1.1.7-py2.7.egg-info, and with Ipython can smooth import cvxopt. done!!!
   • The way Python is compiled is changed back
     • MV C:\Python27\Lib\distutils\cygwinccompiler.py.bak c:\Python27\Lib\distutils\cygwinccompiler.py
11. Ok

Install cvxopt under WINDOWS 7