Compilation and Installation

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Go to the installation directory of the main program.

   cd /path/to/VELVET

3. Decompress the installation package.

   tar -xvf velvet-1.2.10.tar.gz

4. Go to the directory generated after the decompression.

   cd velvet-1.2.10

5. Modify Makefile.

   sed -i '1s/gcc/clang/g' Makefile

6. Compile and install MetaVelvet.

   make 'CATEGORIES=10' 'MAXKMERLENGTH=57' 'LONGSEQUENCES=1' 'OPENMP=1' 'BUNDLEDZLIB=1'

   After the compilation is complete, two executable files, Velveth and Velvetg, are generated.

7. Load the environment variable.

   export PATH=`pwd`:$PATH

8. Go to the MetaVelvet installation directory.

   cd contrib/MetaVelvet-v1.2.01/

9. Modify Makefile.

   sed -i '1s/gcc/clang/g' Makefile
   sed -i '2s/g++/clang++/g' Makefile
   sed -i "3s%$% -I../../third-party/zlib-1.2.3/%g" Makefile

10. Compile and install MetaVelvet.

    make 'CATEGORIES=10' 'MAXKMERLENGTH=57'

11. Load the environment variable.

    export PATH=`pwd`:$PATH