dosbox.sh

#!/bin/bash

hardware_extra_dist=()
hardware_sources=()
gui_sources=()

################################################################################
#
# UpdateSources $1 $2 $3 $4 $5
#
#	$1:	Filename
#	$2:	Text Line
#	$3:	Array
#	$4:	Padding
#	$5:	Split
#
################################################################################

UpdateSources() {
	declare -a array=("${!3}")
	c_sources=${#array[*]}
	if [[ $c_sources -gt 0 ]]; then
		s_sources=$5
		lines=""
		for (( i=0; i<$c_sources; i++ ))
		do
			let "mod = $i % $s_sources"
			if [[ $mod -eq 0 ]]; then
				line=""
				while [[ ${#line} -lt $4*2 ]]; do
        			line="\t"$line
				done
			fi
			[[ $mod -gt 0 ]] && line+=" "
			line+="${array[$i]}"
			if [[ $mod -eq $s_sources-1 || $i -eq $c_sources-1 ]]; then
				[[ $i -lt $c_sources-1 ]] && line+=" \\\\\\n"
				lines+=$line
			fi
		done
		sed -i "s/^\s.*$2\s*$/\0 \\\\\\n$lines/" $1
	fi
}

################################################################################

# sudo apt-get -y install libsdl1.2-dev libsdl-net1.2-dev libsdl-sound1.2-dev libpcap-dev automake autoconf subversion cmake qt5-default bximage

#[[ ! "$LD_LIBRARY_PATH" =~ "/usr/local/lib:" ]] && export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
#grep -q "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" ~/.bashrc; [ $? -eq 1 ] && echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> ~/.bashrc
#grep -q "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" ~/.bashrc; [ $? -eq 1 ] && echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" | sudo tee -a ~/.bashrc

################################################################################

# MUNT
# https://github.com/munt/
if [ ! -f "/usr/local/include/mt32emu/mt32emu.h" ]; then
	cd ~
	[ -d "munt" ] && rm -fr munt
	git clone https://github.com/munt/munt.git
	cd munt
	cmake -DCMAKE_BUILD_TYPE:STRING=Release .
	make
	sudo make install
	sudo ldconfig
fi

# FluidSynth
# http://www.fluidsynth.org/
if [ ! -f "/usr/local/include/fluidsynth.h" ]; then
	cd ~
	[ -d "fluidsynth" ] && rm -fr fluidsynth
	git clone https://github.com/FluidSynth/fluidsynth.git
	cd fluidsynth
	cmake .
	make
	sudo make install
	sudo ldconfig
fi

# DOSBox
# https://www.dosbox.com/
cd ~
[ -d "dosbox" ] && rm -fr dosbox
svn checkout svn://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk dosbox
cd dosbox

./autogen.sh
if [[ "$(uname -m)" =~ ^armv6.* ]]; then
	CXXFLAGS="-O2 -mfpu=vfp -march=armv6j -mfloat-abi=hard" ./configure --disable-opengl
	sed -i "s/C_TARGETCPU.*/C_TARGETCPU ARMV4LE/g" config.h
else
#	CXXFLAGS="-O2 -mfpu=neon-vfpv4 -march=armv7-a -mfloat-abi=hard" ./configure --disable-opengl
	CXXFLAGS="-O2 -mfpu=neon-vfpv4 -march=armv7-a -mfloat-abi=hard" ./configure
#	sed -i "s/C_TARGETCPU.*/C_TARGETCPU ARMV7LE/g" config.h
#	echo "#define C_DYNREC 1" >>config.h
#	echo "#define C_UNALIGNED_MEMORY 1" >>config.h
fi

################################################################################

# ARMv7 Processor Optimisations
wget -O armv7.diff http://www.technologist.site/wp-content/uploads/dosbox/armv7_r4068_20180123.diff
patch -p0 < armv7.diff

# 
#wget -O voodoo.diff http://www.technologist.site/wp-content/uploads/dosbox/voodoo_20141226.diff
#patch -p0 < voodoo.diff

# Scaler Normalx4/x5/x6
# http://www.vogons.org/viewtopic.php?f=41&t=43899
wget -O scalers.diff http://www.technologist.site/wp-content/uploads/dosbox/scalers_r3850_20131126.diff
sed -i 's/^\s.*\"none\", \"normal2x\", \"normal3x\",*$/\0 "normal4x", "normal5x", "normal6x",/' src/dosbox.cpp
sed -i -e '1,12d' scalers.diff
patch -p1 < scalers.diff

# MUNT Roland MT-32 Synthesizer Emulator
# https://sourceforge.net/projects/munt/
wget -O mt32.diff http://www.technologist.site/wp-content/uploads/dosbox/mt32_r4025_20170706.diff
sed -i -e '33,43d' mt32.diff
gui_sources+=("midi_mt32.h")
gui_sources+=("midi_mt32.cpp")
patch -p1 < mt32.diff

# FluidSynth SoundFont Synthesizer
# http://www.fluidsynth.org/
wget -O fluidsynth.diff http://www.technologist.site/wp-content/uploads/dosbox/fluidsynth_r3955_20160119.diff
sed -i 's/^\(.*\"default\", \"win32\", \"alsa\", \"oss\", \"coreaudio\", \"coremidi\",\)\s*\(.*\)$/\1 \"mt32\", \2/g' fluidsynth.diff
patch -p1 < fluidsynth.diff

# Improved Yamaha YMF262 OPL3 Emulation
# http://www.vogons.org/viewtopic.php?f=41&t=23371
wget -O nukedopl.diff http://www.technologist.site/wp-content/uploads/dosbox/nukedopl_r3990_20160804.diff
sed -i -e '74,94d' nukedopl.diff
hardware_extra_dist+=("nukedopl.h")
hardware_sources+=("nukedopl.cpp")
patch -p0 < nukedopl.diff

# Improved PC Speaker Emulation
# http://www.vogons.org/viewtopic.php?f=41&t=23371
#wget -O pcspeaker.diff http://www.technologist.site/wp-content/uploads/dosbox/pcspeaker_20131005.diff
#patch -p0 < pcspeaker.diff

# NE2000 Network Adapter
# https://sourceforge.net/p/dosbox/patches/238/
wget -O ne2000.diff http://www.technologist.site/wp-content/uploads/dosbox/ne2000_r3661_20170516.diff
sed -i -e '1704,1716d' ne2000.diff
sed -i 's/configure.in/configure.ac/g' ne2000.diff
hardware_sources+=("ne2000.cpp")
patch -p0 < ne2000.diff

# Add sanity check to UMB Linking 
# https://sourceforge.net/p/dosbox/patches/254/
wget -O umb_linking.diff http://www.technologist.site/wp-content/uploads/dosbox/umb_linking_r3780_20120529.diff
patch -p0 < umb_linking.diff

# Large Disk Support larger than 2GB
# http://www.vogons.org/viewtopic.php?f=41&t=34642
#wget -O larger_than_2gb.diff http://www.technologist.site/wp-content/uploads/dosbox/larger_than_2gb_20130212.diff
#patch -p0 < larger_than_2gb.diff

# Update IMGMAKE command and autodetect geometry
# http://www.vogons.org/viewtopic.php?f=41&t=34642#p302954
#wget -O imgmake.diff http://www.technologist.site/wp-content/uploads/dosbox/imgmake_20130421.diff
#patch -p1 < imgmake.diff

################################################################################

echo "Updating Sources..."

if [[ ${#hardware_extra_dist[*]} -gt 0 ]]; then
	extra_dist=${hardware_extra_dist[@]}
	sed -i "s/^EXTRA_DIST\s.*=.*$/\0 $extra_dist/" src/hardware/Makefile.am	
fi

UpdateSources "src/hardware/Makefile.am" "cmos.cpp disney.cpp gus.cpp mpu401.cpp ipx.cpp ipxserver.cpp dbopl.cpp" hardware_sources[@] 24 7
UpdateSources "src/gui/Makefile.am" "midi_coremidi.h sdl_gui.cpp dosbox_splash.h" gui_sources[@] 8 3

# Compile DOSBOX
#make