#!/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

LOWEND9X_FLAGS=" -D_WIN32_WINDOWS=0x0400 -D_FILE_OFFSET_BITS=32 -mwin32 -march=pentium "

CFLAGS="${LOWEND9X_FLAGS} ${CFLAGS}"
CXXFLAGS="${LOWEND9X_FLAGS} ${CXXFLAGS}"
CPPFLAGS="${LOWEND9X_FLAGS} ${CPPFLAGS}"
export CFLAGS CPPFLAGS CXXFLAGS

# prefer to compile against our own copy of SDL 1.x
echo "Compiling our internal SDL 1.x"
(cd vs/sdl && ./build-dosbox.sh) || exit 1

# Win95 doesn't have IPHLPAPI.dll, skip networking.
# 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

# NTS: MinGW provides zlib for us
if false; then
	# 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}"
	LDFLAGS="${nld}${LDFLAGS}"
	CPPFLAGS="${new}${CPPFLAGS}"
	CXXFLAGS="${new}${CXXFLAGS}"
	export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS
fi

# 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}"
LDFLAGS="${nld}${LDFLAGS}"
CPPFLAGS="${new}${CPPFLAGS}"
CXXFLAGS="${new}${CXXFLAGS}"
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}"
LDFLAGS="${nld}${LDFLAGS}"
CPPFLAGS="${new}${CPPFLAGS}"
CXXFLAGS="${new}${CXXFLAGS}"
INTERNAL_FREETYPE=1
export CFLAGS LDFLAGS CPPFLAGS CXXFLAGS INTERNAL_FREETYPE

# build opencow for win9x unicode
echo "Compiling opencow"
(cd vs/opencow && make -f ./Makefile.mingw) || exit 1
nld=" -L${top}/vs/opencow/build " #-Wl,--allow-multiple-definition "
LDFLAGS="${nld}${LDFLAGS}"
#LIBS=" -lopencow ${LIBS} " # should be the first one before all win32 libs.
export LDFLAGS #LIBS

#find /mingw32/include/pdcurses/curses.h, needed for --enable-debug
CFLAGS="${CFLAGS} -I/mingw32/include/pdcurses "
CXXFLAGS="${CXXFLAGS} -I/mingw32/include/pdcurses "
CPPFLAGS="${CPPFLAGS} -I/mingw32/include/pdcurses "
export CFLAGS CPPFLAGS CXXFLAGS

# now compile ourself
echo "Compiling DOSBox-X"
chmod +x configure
./configure --enable-debug --disable-libfluidsynth --disable-libslirp --disable-d3d9 --disable-d3d-shaders --prefix=/usr --disable-xbrz --disable-printer --disable-largefile --enable-opencow --disable-sdlnet "${@}" || exit 1
make -j3 || exit 1