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Install

Created by Daniel Varela Santoalla, last modified on Aug 09, 2011

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dependencies
- python, 2.1-2.7, Python 3.0 not tested.
  
  If you intend to use ecFlow Python api, You will need to install python.
  
  If python installed in non standard installation, you may need to
  
  customise $BOOST_ROOT/tools/build/v2/site-config.jam
- Xlib for ecflowview
ecfFlow consists of two tar files:
- boost_1_45_0.tar.gz
- ecflow_1_9_0.tar.gz
Create a directory for the build:
```
> mkdir /tmp/ecflow_build
```
Copy the the two tar file into this directory, then change directory to /tmp/ecflow_build

Un-zip then un-tar the two file files:

# gunzip boost_1_45_0.tar.gz
# gunzip ecflow_1_9_0.tar.gz
# tar -xf boost_1_45_0.tar
# tar -xf ecflow_1_9_0.tar

You should have two directories created:
```
boost_1_45_0
ecflow_1_9_0
```

Create two environment variables. These are used by some of scripts:

> export WK=/tmp/ecflow_build/ecflow_1_9_0
> export BOOST_ROOT=/tmp/ecflow_build/boost_1_45_0

Boost uses bjam for build. ecFlow use bjam for build and installation

bjam source is available in boost, hence we first need to build bjam itself
```
> cd $BOOST_ROOT
> ./bootstrap.sh
```
Now make sure bjam is accessible from $PATH
Ecflow uses some of compiled libraries in boost. The following script

will build the required lib’s, in both debug and release forms

and will configure boost build according to your platform
```
> cd $BOOST_ROOT
> $WK/build/build_boost.sh
```
We now need to build ecFlow:
```
> cd $WK
> bjam variant=release
```
If you have a multi-core machine, you can speed up the build using:

the -j<n> option. Where ‘n’ is an integer, of the number of cores.
```
bjam variant=release -j4
```
Once ecFlow is built it can be installed.

This requires the specification of a environment variables
```
ECFLOW_INSTALL_DIR          # Directory Location for client ,server and gui program's
```
Once these variable have been defined installation is done by calling:
```
bjam variant=release install
```
This will create directories:
```
<ECFLOW_INSTALL_DIR>/bin
<ECFLOW_INSTALL_DIR>/lib
<ECFLOW_INSTALL_DIR>/doc
```
Depending on your umask setting you may need to call chmod 755 on the executables

To use the ecFlow Python Api, you need to add/change

PYTHONPATH and LD_LIBRARY_PATH

export PYTHONPATH=$PYTHONPATH:$ECFLOW_INSTALL_DIR/lib
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ECFLOW_INSTALL_DIR/lib

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