#!/usr/bin/env bash

# I'm sick and tired of all the churn the three versions of autoconf
# are causing in this repo. Stop committing the configure scripts
# and just autoregen.
./autogen.sh || exit 1

# where are we?
top=$(pwd)
if test -z "${top}" ; then exit 1; fi

# fix
chmod +x vs/sdl/build-scripts/strip_fPIC.sh

# prefer to compile against our own copy of SDL 2.x IF the system does not provide one
#x=$(which sdl2-config)
#if test -z "${x}" ; then
    echo "Compiling our internal SDL 2.x"
    (cd vs/sdl2 && ./build-dosbox.sh) || exit 1
#fi

# prefer to compile against our own zlib
echo "Compiling our internal zlib"
(cd vs/zlib && ./build-dosbox.sh) || exit 1
new="-I${top}/vs/zlib/linux-host/include "
nld="-L${top}/vs/zlib/linux-host/lib "
CFLAGS="${new}${CFLAGS} -g3"
LDFLAGS="${nld}${LDFLAGS} -g3"
CPPFLAGS="${new}${CPPFLAGS} -g3"
CXXFLAGS="${new}${CXXFLAGS} -g3"
export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS

# prefer to compile against our own libpng (comment this out to disable)
echo "Compiling our internal libpng"
(cd vs/libpng && ./build-dosbox.sh) || exit 1
new="-I${top}/vs/libpng/linux-host/include "
nld="-L${top}/vs/libpng/linux-host/lib "
CFLAGS="${new}${CFLAGS} -g3"
LDFLAGS="${nld}${LDFLAGS} -g3"
CPPFLAGS="${new}${CPPFLAGS} -g3"
CXXFLAGS="${new}${CXXFLAGS} -g3"
export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS

# prefer to compile against our own freetype
echo "Compiling our internal freetype"
(cd vs/freetype && ./build-dosbox.sh) || exit 1
new="-I${top}/vs/freetype/linux-host/include/freetype2 "
nld="-L${top}/vs/freetype/linux-host/lib -lfreetype "
CFLAGS="${new}${CFLAGS} -g3"
LDFLAGS="${nld}${LDFLAGS} -g3"
CPPFLAGS="${new}${CPPFLAGS} -g3"
CXXFLAGS="${new}${CXXFLAGS} -g3"
INTERNAL_FREETYPE=1
export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS INTERNAL_FREETYPE

brew list fluid-synth &>/dev/null || brew install fluid-synth
brew list libslirp &>/dev/null || brew install libslirp
brew list pkg-config &>/dev/null || brew install pkg-config

opts=

# if Brew has installed packages, try to use those too
brew="/opt/homebrew"
if [[ -d "${brew}" && -d "${brew}/include" && -d "${brew}/lib" ]]; then
    echo "Brew is installed, I'm going to use its libraries too"
    new="-I${brew}/include "
    nld="-L${brew}/lib "
    CFLAGS="${new}${CFLAGS} -g3"
    LDFLAGS="${nld}${LDFLAGS} -g3"
    CPPFLAGS="${new}${CPPFLAGS} -g3"
    CXXFLAGS="${new}${CXXFLAGS} -g3"
    PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${brew}/lib/pkgconfig"
    export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS PKG_CONFIG_PATH
fi

# now compile ourself
echo "Compiling DOSBox-X"
chmod +x configure
./configure --enable-debug=heavy --prefix=/usr --enable-sdl2 "${opts}" "${@}" || exit 1
make -j3 || exit 1