#!/bin/bash -l
#
# Simple script testing all available compiler modules on cray:
# Check if C++ compiler is working.
# 
# Chrsitoph Niethammer <niethammer@hlrs.de> (C) 2011 
#

compilers="pgi gcc cray intel"

compiler_version_cmd() {
    case $1 in
        cray|gcc|intel)
            cmd="CC --version"
        ;;
        pgi)
            cmd="CC -V"
        ;;
        *)
            echo "Unknown compiler $1"
    esac
    echo $cmd
    $cmd
}

compiler_check_stdexcept() {
    cmd="CC stdexcept.cpp"
    echo $cmd
    $cmd
}

compiler_check_helloworld() {
    cmd="cc hello.c"
    echo $cmd
    $cmd
}

swap_env() {
    currentPrgEnv=$(module li 2>&1 | awk '/PrgEnv/{print $2}')
    if [ "$1" == gcc ] ; then 
        newPrgEnv="gnu"
    else
        newPrgEnv=$1
    fi
    module swap $currentPrgEnv PrgEnv-$newPrgEnv
}

if [ ! -z $1 ] ; then
    compilers=$@
fi

for compiler in $compilers; do
    for version in $(module av $compiler -l 2>&1 | awk "/^$compiler\//{print \$1}" | awk -F'/' '{print $2}'); do 
        logfile="$compiler-$version.log"
        echo -en "testing $compiler/$version ... "
        error=0
        swap_env $compiler 2>$logfile >$logfile || error=1
        module swap $compiler $compiler/$version 2>>$logfile >>$logfile || error=1
        compiler_version_cmd $compiler 2>>$logfile >>$logfile || error=1
        compiler_check_helloworld $compiler 2>>$logfile >>$logfile || error=1
        compiler_check_stdexcept $compiler 2>> $logfile >>$logfile || error=1
        if [ $error != 0 ] ; then
            echo "failed :-("
            echo "Error msg:"
            echo "--------------------------------------------------"
            cat $logfile
            echo "--------------------------------------------------"
            echo ""
        else
            echo "success :-)"
        fi
    done 
done 2>&1 | tee compiler-test.log