build-sdl2

#!/usr/bin/env bash

# allow 32-bit on 64-bit (x86) builds
if [ "$1" == "32" ]; then
    CC="$(which gcc) -m32"
    CXX="$(which g++) -m32"
    export CC CXX
    no_host_sdl2=1
    shift
    opt="--host=i686-pc-linux-gnu --target=i686-pc-linux-gnu"
fi

# Jonathan C dev hack: refer to LNKDOS16 in /usr/src/doslib
doslib=""
if [ -d /usr/src/doslib ]; then doslib="/usr/src/doslib"; fi

if [ -n "${doslib}" ]; then
    if [ -x "${doslib}/tool/linker/linux-host/lnkdos16" ]; then
        export PATH="${doslib}/tool/linker/linux-host:${PATH}"
    fi
fi

# 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

# 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
if [[ "$no_host_sdl2" ]]; then
    x="" # doesn't work well cross-compiling
else
    x="$(which sdl2-config)"
fi
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 copy of SDLnet 1.x
echo "Compiling our internal SDLnet 1.x"
(cd vs/sdlnet && ./build-dosbox.sh) || exit 1

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