configure

#!/bin/bash

# Copyright (c) 2016, Codrin-Victor Poienaru <cvpoienaru@gmail.com>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# This software is provided by the copyright holders and contributors "as is"
# and any express or implied warranties, including, but not limited to, the
# implied warranties of merchantability and fitness for a particular purpose are
# disclaimed. In no event shall the copyright holder or contributors be liable
# for any direct, indirect, incidental, special, exemplary, or consequential
# damages (including, but not limited to, procurement of substitute goods or
# services; loss of use, data, or profits; or business interruption) however
# caused and on any theory of liability, whether in contract, strict liability,
# or tort (including negligence or otherwise) arising in any way out of the use
# of this software, even if advised of the possibility of such damage.

# Project tree structure ...
export NS_ROOT=~/pp/final-test/tbb-navier-stokes
export NS_BIN=$NS_ROOT/bin
export NS_ETC=$NS_ROOT/etc
export NS_INCLUDE=$NS_ROOT/include
export NS_LIB=$NS_ROOT/lib
export NS_SCRIPT=$NS_ROOT/script
export NS_SRC=$NS_ROOT/src

# Project tree permission mask ...
export NS_MASK=0022

# Project build options ...
export NS_DEBUG=true
export NS_MAKE_PATH=$NS_SRC/Makefile
export NS_BUILD_THREADS=$(cat /proc/cpuinfo | awk '/^processor/{print $3}' \
	| wc -l)
if $NS_DEBUG; then
	export NS_FLAGS=-g
fi

# Environment paths ...
export C_INCLUDE_PATH=$NS_INCLUDE:/usr/include/mpi:/usr/include/tbb
export CPLUS_INCLUDE_PATH=$NS_INCLUDE:/usr/include/mpi:/usr/include/tbb
export LIBRARY_PATH=$NS_LIB:/export/opt/tools/intel/compilers_and_libraries_2016.2.181/linux/tbb/lib/intel64_lin/gcc4.1:/export/opt/tools/intel/compilers_and_libraries_2016.2.181/linux/tbb/lib/intel64_lin/gcc4.4
export LD_LIBRARY_PATH=$NS_LIB:/export/opt/tools/intel/compilers_and_libraries_2016.2.181/linux/tbb/lib/intel64_lin/gcc4.1:/export/opt/tools/intel/compilers_and_libraries_2016.2.181/linux/tbb/lib/intel64_lin/gcc4.4$

export PATH=$PATH:$NS_BIN

# Set custom project tree permission mask.
umask $NS_MASK

# Creates the missing directories from the project tree structure.
function __ns_make_directory_structure()
{
	mkdir -p $NS_BIN
	mkdir -p $NS_LIB
}

# Removes unneeded directories from the project tree structure.
function __ns_clean_directory_structure()
{
	rm -rf $NS_BIN
	rm -rf $NS_LIB
}

# Builds the project binaries and/or libraries from source.
# $1 makefile - The makefile to be used for building.
function __ns_make_build()
{
	if [[ $# -ne 1 ]]; then
		echo -e "Error: Cannot make build. No makefile was supplied."
		return
	fi

	make -f $1 -j $NS_BUILD_THREADS
}

# Cleans the project binaries and/or libraries.
# $1 makefile - The makefile to be used for cleaning.
function __ns_clean_build()
{
	if [[ $# -ne 1 ]]; then
		echo -e "Error: Cannot clean build. No makefile was supplied."
		return
	fi

	make -f $1 clean
}

# Builds or cleans the project binaries and/or libraries according to the
# specified options.
# $1 option - Specifies whether we should build or clean the project binaries
# and libraries.
function ns_build()
{
	if [[ $# -ne 1 ]]; then
		echo -e "Error: Call with --build|-b or --clean|-c."
		return
	fi

	case $1 in
		--build|-b)
			__ns_make_directory_structure
			__ns_make_build $NS_MAKE_PATH
		;;

		--clean|-c)
			__ns_clean_build $NS_MAKE_PATH
			__ns_clean_directory_structure
		;;

		*)
			echo "Error: Unknown option '$1'."
		;;
	esac
}