File: README

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exonerate 2.4.0-5
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README file for exonerate package.

FAQs

-----------------------------------------------------------------
General
=======

What does this package contain ?
------------------------------

    This package contains exonerate and its libraries.
    Exonerate is a general purpose tool for biological
    sequence comparison.  The libraries are provided with
    the intention of providing general utility for development
    of various sequence comparison programs.

    This package was previously called ensembl-nci
    to reflect the Nucleotide Comparison Interface
    that was behind much of the code.  This interface has now
    being dropped, along with the name.

How do I get the latest version ?
-------------------------------

    The latest version is in the exonerate CVS repository
    available from http://www.ensembl.org/
    To do this with anonymous CVS, you need to do:

    (with bash)
  export CVSROOT=":pserver:cvsuser@cvs.sanger.ac.uk:/cvsroot/ensembl"

    (with tcsh)
  setenv CVSROOT ":pserver:cvsuser@cvs.sanger.ac.uk:/cvsroot/ensembl"

    Then:
        cvs login # (password CVSUSER)
        cvs co exonerate

    This will checkout the CVS head which is unstable.
    To get the latest stable version, use:
        cvs co -r branch-0-9-0 exonerate
    or download the latest tarball from:
        http://www.ebi.ac.uk/~guy/exonerate/

How do I build exonerate ?
------------------------

    If you have a version from CVS, it is a development version,
    so you need a machine with the GNU autoconf/automake tools.
    You need to do:
        ./maintain.sh ready
    Then proceed as for a tarball releases.

    For a tarball release, you just need to do:
        ./configure
        make

    Use "./configure --help" to see the configure options.

    If you are using a stable (tarball) version,
    then just use ./configure then make.

    It is a good idea to also run "make check" to ensure
    that everything is working OK on you machine.

How do I build exonerate for profiling with gprof ?
-------------------------------------------------

    make clean
    ./configure --disable-assert --enable-gprof
    make

What is glib ?
------------

    glib is the C library which gtk is based upon.
    It is highly portable, and provides useful data structures,
    and convenient functions for handling things like dynamic
    libraries.

    glib needs to be installed with at least version 1.2.0
    to use with exonerate.  You can check this with the
    command `glib-config --version`

    glib is probably already installed on your system,
    but is available from http://www.gtk.org/

Under which license is the code made available ?
----------------------------------------------

    GPL, version 3.  See: http://www.gnu.org/licenses/gpl.txt

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU General Public License for more details.
    (included in the file COPYING distributed with this package)

Which platforms will this run on ?
--------------------------------

    The code has mostly been developed on GNU/Linux systems,
    and is used mostly on Linux and alpha/OSF1 machines,
    so it works well with those, but should be portable
    to other architectures.

Is there a paper describing this ?
--------------------------------

    See: BMC Bioinformatics 2005, 6:31
    "Automated generation of heuristics for biological sequence comparison"
    http://www.biomedcentral.com/1471-2105/6/31

    More papers to follow.

How do I report a bug ?
---------------------

    Run the supplied script buginfo.sh in the top level directory
    to report info about the system on which you have found a bug.

    You can also try running "make check" to ensure
    that all the tests pass on your platform.

    Please supply enough information to make the bug reproducible,
    including a command line and sample sequences where appropriate.

    Then send all this info to guy@ebi.ac.uk or ensembl-dev@ebi.ac.uk

How do I contribute to the project ?
----------------------------------

    PLEASE DO NOT TRY TO CHECK CODE DIRECTLY INTO CVS.

    If you have a fix for a bug, or would like to contribute
    a new feature or optimisation to the package, then please
    prepare a patch for review.

    The code in the patch must be available under the LGPL.

    Unified diff output with 5 lines of context is the preferred
    format for patches.  The easiest way to do this is to use CVS
    to produce a diff against the version currently in the repository.
    From the exonerate directory in the modified version, do:

        cvs diff -u -5

What else is there in this package ?
----------------------------------

    This code base also include the program iPCRess
    (In-silico PCR Experiment Simulation System),
    and also some utilities for manipulation of large fasta files.
    These are not installed by default, but can be found
    in the src/util directory.

    I hope the names are fairly self explanatory.
    Use ./fasta<whatever> -h for more info.

    The utilities are:
    esd2esi fasta2esd fastaannotatecdna fastachecksum
    fastaclean fastaclip fastacomposition fastadiff fastaexplode
    fastafetch fastahardmask fastaindex fastalength fastanrdb
    fastaoverlap fastareformat fastaremove fastarevcomp fastasoftmask
    fastasort fastasplit fastasubseq fastatranslate fastavalidcds


How can I get more help ?
-----------------------

    Using any of the programs with -h or --help will
    give you more information about the options available.

    There are man pages available for exonerate, exonerate-server and ipcress.
    If they have not yet been installed, you can view them
    from the source distribution using:

    nroff -man doc/man/man1/exonerate.1 | less
    nroff -man doc/man/man1/exonerate-server.1 | less
    nroff -man doc/man/man1/ipcress.1 | less

    Failing that, you can email me: guy@ebi.ac.uk

-----------------------------------------------------------------

Exonerate specific questions
============================

How do I make exonerate run faster ?
----------------------------------

    Checklist:
      o Did you ./configure --disable-assert ?
      o Are the sequences being read from local disk ?
      o Are the sequences repeat masked with RepeatMasker and dust ?
      o Are you using the default parameters ?
      o Are you multiplexing the query and using the -M flag ?

    Quick and dirty searching parameters:
      -w 16 -t 80 -H 80 -D 5 -a 1000 -m 1024

Why is it taking ages to build ?
------------------------------

    Exonerate uses the C4 dynamic programming library,
    which optimises the viterbi algorithm by using code
    generation.  About 1,000,000 of code is generated
    by default for efficient viterbi calculations
    of the various models.

    All the generated code for this is written into
    the codegen directory.

    The environment variables $C4_CC, $C4_LD, $C4_CCFLAGS
    and $C4_LDFLAGS can be used to change the behaviour
    during the code generation.  The linking can be modified
    by using $C4_AR, $C4_AR_INIT and $C4_AR_APPEND
    (see examples below).

    If you only want to use exonerate for a couple of
    models, you can speed up the compilation (and reduce
    the executable size) by specifying which models to
    generate code for by using $C4_COMPILED_MODELS.
    eg.  export C4_COMPILED_MODELS="est2genome protein2genome"

    If you try to run exonerate on a model for which it does
    not have code generation, a warning is issued, and the
    viterbi algorithm will run much more slowly.




-----------------------------------------------------------------

--

Farm Notes:
----------

    Linux:
# For Intel CC:
# setenv PATH /opt/intel_cc_80/bin/:${PATH}
# setenv LD_LIBRARY_PATH /opt/intel_cc_80/lib
# setenv CC "icc"
# setenv CFLAGS "-O3 -axWK"
# setenv C4_CC $CC
# setenv C4_CFLAGS "$CFLAGS"
        ./maintain.sh ready
        make clean
        rm config.cache
        rm -rf codegen
        ./configure --enable-largefile
            --prefix=/acari/work2/gs2/gs2/local/archive/Linux/1.0.0
        make
        make install-strip

    TRU64:
        rm -f config.cache
        make clean
#        setenv C4_AR "/bin/ar"
#        setenv C4_AR_INIT "czr"
#        setenv C4_AR_APPEND "zr"
#        setenv CC "cc"
#        setenv CFLAGS "-O3 -arch ev6 -fast"
#        setenv CFLAGS "-O3 -arch ev67 -fast"
        setenv C4_CC $CC
        setenv C4_CFLAGS "$CFLAGS"
        ./configure \
            --prefix=/acari/work2/gs2/gs2/local/archive/OSF1/1.0.0
        make
        make install-strip

    Darwin:
       # export C4_AR_INIT="csq"
       # export C4_AR_APPEND="sq"
       ./configure --enable-largefile --prefix=/wherever/
       make
       make install-strip

   ia64:
       ./configure --enable-largefile
            --prefix=/acari/work2/gs2/gs2/local/archive/ia64/1.0.0

Making .deb

dh_make -e guy@ebi.ac.uk -f ../exonerate-1.0.0.tar.gz
vi debian/control
  Section: science
  Build-Depends: libglib1.2-dev
as root: dpkg-buildpackage


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