configure

#!/bin/bash


function showhelp {
    echo "usage: ./configure [flags]"
    echo ""
    echo "Possible flags are as follows:"
    echo ""
    echo "Package extensions:"
    echo "    --without-root Do not compile features depending on ROOT."
    echo "    --with-rootana Compile ROOTANA online analysis extensions, requires ROOTANA installed on your system."
    echo "    --with-rootbeer Compile ROOTBEER executable, requires ROOTBEER to be installed on your system."
    echo "    --with-midas Compile using a locally installed version of MIDAS. This allows online analysis"
    echo "                 to be performed from your computer, but it it not necessary to analyze offline MIDAS files."
    echo ""
    echo "Conditional compilations:"
    echo "    --without-display-modules Do not export vme::XXX classes into ROOT trees."
    echo "    --without-dsssd Omit all DSSSD code."
    echo "    --without-ic    Omit all Ion Chamber code."
    echo "    --without-nai   Omit all sodium-iodide code."
    echo "    --without-hpge  Omit all HPGe code."
    echo ""
    echo "Optional things to set:"
    echo "    --rb-home=<rootbeer home directory> (Default: ~/packages/rootbeer)"
    echo "    --cxx=<C++ compiler command> (default c++)"
    echo "    --cc=<C compiler commane> (default cc)"
    echo ""
    echo "Other:"
    echo "    --help Show this help message."
    echo ""
}

USE_ROOT=YES
USE_ROOTANA=NO
USE_ROOTBEER=NO
USE_MIDAS=NO

DISPLAY_MODULES=1
OMIT_DSSSD=0
OMIT_IC=0
OMIT_NAI=0
OMIT_GE=0

RB_HOME="\$(HOME)/packages/rootbeer"
CC=cc
CXX=c++

for var in "$@"
do
    if   [ $var == "--help" ]; then
	showhelp
	exit
    fi
done

for var in "$@"
do
    if   [ $var == "--without-root" ]; then
	USE_ROOT=NO
    elif [ $var == "--with-rootana" ]; then
	USE_ROOTANA=YES
    elif [ $var == "--with-rootbeer" ]; then
	USE_ROOTBEER=YES
    elif [ $var == "--with-midas" ]; then
	USE_MIDAS=YES
    elif [ $var == "--without-modules" ]; then
	DISPLAY_MODULES=0
    elif [ $var == "--without-dsssd" ]; then
	OMIT_DSSSD=1
    elif [ $var == "--without-ic" ]; then
	OMIT_IC=1
    elif [ $var == "--without-nai" ]; then
	OMIT_NAI=1
    elif [ $var == "--without-hpge" ]; then
	OMIT_GE=1
    elif [[ $var == --cxx=* ]]; then
	CXX=`echo $var | cut -d'=' -f 2`
    elif [[ $var == --cc=* ]]; then
	CC=`echo $var | cut -d'=' -f 2`
    elif [[ $var == --rb-home=* ]]; then
	RB_HOME=`echo $var | cut -d'=' -f 2`
    fi
done



echo "" > config.mk
echo "DEFINITIONS=" >> config.mk
echo "" >> config.mk
echo "## Uncomment (Comment) to (not) export \"raw\" modules for viewing in ROOT tree" >> config.mk
if [ $DISPLAY_MODULES != 0 ]; then >> config.mk
    echo "DEFINITIONS+=-DDISPLAY_MODULES" >> config.mk
else >> config.mk
    echo "#DEFINITIONS+=-DDISPLAY_MODULES" >> config.mk
fi >> config.mk
echo "" >> config.mk
echo "## (Un)comment to (not) ignore corresponding heavy-ion detectors" >> config.mk
if [ $OMIT_DSSSD != 0 ]; then >> config.mk
    echo "DEFINITIONS+=DRAGON_OMIT_DSSSD" >> config.mk
else >> config.mk
    echo "#DEFINITIONS+=DRAGON_OMIT_DSSSD" >> config.mk
fi >> config.mk
if [ $OMIT_IC != 0 ]; then >> config.mk
    echo "DEFINITIONS+=DRAGON_OMIT_IC" >> config.mk
else >> config.mk
    echo "#DEFINITIONS+=DRAGON_OMIT_IC" >> config.mk
fi >> config.mk
if [ $OMIT_NAI != 0 ]; then >> config.mk
    echo "DEFINITIONS+=DRAGON_OMIT_NAI" >> config.mk
else >> config.mk
    echo "#DEFINITIONS+=DRAGON_OMIT_NAI" >> config.mk
fi >> config.mk
if [ $OMIT_GE != 0 ]; then >> config.mk
    echo "DEFINITIONS+=DRAGON_OMIT_GE" >> config.mk
else >> config.mk
    echo "#DEFINITIONS+=DRAGON_OMIT_GE" >> config.mk
fi >> config.mk
echo "" >> config.mk
echo "### Set to YES (NO) to turn on (off) root [or rootbeer, or rootana, or ...] usage ###" >> config.mk
echo "USE_ROOT=$USE_ROOT" >> config.mk
echo "USE_ROOTANA=$USE_ROOTANA" >> config.mk
echo "USE_ROOTBEER=$USE_ROOTBEER" >> config.mk
echo "USE_MIDAS=$USE_MIDAS" >> config.mk
echo "" >> config.mk
echo "" >> config.mk
echo "" >> config.mk
echo "### Set ROOTBEER home directory (ignore if USE_ROOTBEER=NO) ###" >> config.mk
echo "RB_HOME=$RB_HOME" >> config.mk
echo "" >> config.mk
echo "" >> config.mk
echo "### CHOOSE YOUR COMPILER IF YOU WANT ###" >> config.mk
echo "CXX=$CXX" >> config.mk
echo "CC=$CC" >> config.mk
echo "" >> config.mk