#!/usr/bin/env bash
# build_windows.sh
#
# Script that cross compiles freedv-gui for Windows on Fedora
# Linux. Git pulls codec2 and LPCNet repos so they are available for
# parallel development.

# override this at the command line for a 32 bit build
#   $ CMAKE=mingw32-cmake ./build_windows.sh
: ${CMAKE=mingw64-cmake}

UT_ENABLE=${UT_ENABLE:-0}

if [ $CMAKE = "mingw64-cmake" ]; then
    BUILD_DIR=build_win64
    MINGW_TRIPLE=x86_64-w64-mingw32
else
    BUILD_DIR=build_win32
    MINGW_TRIPLE=i686-w64-mingw32
fi
export FREEDVGUIDIR=${PWD}
export CODEC2DIR=$FREEDVGUIDIR/codec2
export LPCNETDIR=$FREEDVGUIDIR/LPCNet
export HAMLIBDIR=$FREEDVGUIDIR/hamlib

CODEC2_BRANCH=ms-test-cmake
LPCNET_BRANCH=ms-uncouple-codec2

# Prerequisite: build hamlib
cd $FREEDVGUIDIR
if [ ! -d hamlib-code ]; then
    git clone https://github.com/Hamlib/Hamlib.git hamlib-code
fi
cd hamlib-code && git checkout master && git pull
./bootstrap
CFLAGS="-g -O2 -fstack-protector" ./configure --host=$MINGW_TRIPLE --target=$MINGW_TRIPLE --prefix $HAMLIBDIR --disable-shared
make
make install

# OK, build and test LPCNet
cd $FREEDVGUIDIR
git clone https://github.com/drowe67/LPCNet.git
cd $LPCNETDIR && git switch master && git pull && git checkout $LPCNET_BRANCH
mkdir -p $BUILD_DIR && cd $BUILD_DIR && rm -Rf *
$CMAKE ..
make

# Build codec2 with LPCNet and test FreeDV 2020 support
# First build and install vanilla codec2 as we need -lcodec2 to build LPCNet
cd $FREEDVGUIDIR
if [ ! -d codec2 ]; then
    git clone https://github.com/drowe67/codec2.git
fi
cd codec2 && git switch master && git pull && git checkout $CODEC2_BRANCH
mkdir -p $BUILD_DIR && cd $BUILD_DIR && rm -Rf * && $CMAKE --debug-find -DLPCNET_BUILD_DIR=$LPCNETDIR/$BUILD_DIR .. && make VERBOSE=1

cd $FREEDVGUIDIR
if [ -d .git ]; then
    git pull
fi
mkdir -p $BUILD_DIR && cd $BUILD_DIR 
if [ $CLEAN -eq 1 ]; then rm -Rf *; fi

if [ $BOOTSTRAP_WX -eq 1 ]; then
    # build freedv-gui
    $CMAKE -DBOOTSTRAP_WXWIDGETS=1 -DCMAKE_BUILD_TYPE=Debug -DCODEC2_BUILD_DIR=$CODEC2DIR/$BUILD_DIR -DLPCNET_BUILD_DIR=$LPCNETDIR/$BUILD_DIR -DHAMLIB_INCLUDE_DIR=${HAMLIBDIR}/include -DHAMLIB_LIBRARY=${HAMLIBDIR}/lib/libhamlib.a ..
    make VERBOSE=1 -j4
else
    # build freedv-gui
    $CMAKE -DCMAKE_BUILD_TYPE=Debug -DUNITTEST=$UT_ENABLE -DCODEC2_BUILD_DIR=$CODEC2DIR/$BUILD_DIR -DLPCNET_BUILD_DIR=$LPCNETDIR/$BUILD_DIR -DHAMLIB_INCLUDE_DIR=${HAMLIBDIR}/include -DHAMLIB_LIBRARY=${HAMLIBDIR}/lib/libhamlib.a ..
    make VERBOSE=1 -j4
fi