#! /bin/bash -e

#####################################################################
#                                                                   #
#               Compiles Faust programs to alsa-gtk                 #
#               (c) Grame, 2009-2019                                #
#                                                                   #
#####################################################################

. faustpath
. faustoptflags
. usage.sh

CXXFLAGS+=" $MYGCCFLAGS"  # So that additional CXXFLAGS can be used

ARCHFILE=$FAUSTARCH/alsa-gtk.cpp
OSCDEFS=""

if [[ $(uname -s) != Darwin ]]; then
    LFLAGS+="-no-pie"
fi

echoHelp() 
{
    usage faust2alsa "[options] [Faust options] <file.dsp>"
    platform Linux
    require Alsa
    echo "Compiles Faust programs to ALSA and GTK"
    option
    options -httpd -osc -midi -qrcode -poly
    option "Faust options"
    exit
}

if [ "$#" -eq 0 ]; then
    echo 'Please, provide a Faust file to process !'
    echo ''
    echoHelp
fi

#-------------------------------------------------------------------
# Analyze command arguments :
# faust options                 -> OPTIONS
# if -omp : -openmp or -fopenmp -> OPENMP
# existing *.dsp files          -> FILES
#

# dispatch command arguments
for p in $@; do
    if [ $p = "-help" ] || [ $p = "-h" ]; then
        echoHelp
    fi

    if [ $p = "-poly" ]; then
        POLYDEFS="-DPOLY"
    elif [ $p = "-midi" ]; then
        MIDIDEFS="-DMIDICTRL"
    elif [ $p = "-osc" ]; then
        OSCDEFS="-DOSCCTRL -lOSCFaust"
        YPATH="-L/usr/local/lib"
    elif [ $p = "-httpd" ]; then
        HTTPDEFS="-DHTTPCTRL -lHTTPDFaust"
        HTTPLIBS=`pkg-config --cflags --libs libmicrohttpd`
        YPATH="-L/usr/local/lib"
    elif [ $p = "-arch32" ]; then
        PROCARCH="-m32 -L/usr/lib32"
    elif [ $p = "-arch64" ]; then
        PROCARCH="-m64"
    elif [ ${p:0:1} = "-" ]; then
        OPTIONS="$OPTIONS $p"
    elif [[ -f "$p" ]] && [ ${p: -4} == ".dsp" ]; then
        FILES="$FILES $p"
    else
        OPTIONS="$OPTIONS $p"
    fi
done

#-------------------------------------------------------------------
# compile the *.dsp files using ALSA and GTK on linux
#
for f in $FILES; do

    # compile faust to c++
    faust -i -a $ARCHFILE $OPTIONS "$f" -o "$f.cpp" || exit

    # compile c++ to binary
    (
        $CXX $CXXFLAGS $FAUSTTOOLSFLAGS $OMP "$f.cpp" `pkg-config --cflags --libs alsa gtk+-2.0` $PROCARCH $YPATH $OSCDEFS $HTTPDEFS $HTTPLIBS $POLYDEFS $MIDIDEFS $LFLAGS -o "${f%.dsp}"
    )> /dev/null  || exit
    rm "$f.cpp"

    # collect binary file name for FaustWorks
    BINARIES="$BINARIES${f%.dsp};"
done

echo $BINARIES


