#!/bin/sh -x
# build script for oss_4.2 
# built on tc-7.x 4.2.9

set -o nounset
#set -o errexit

. /etc/init.d/tc-functions

###################################################################################################
###################################################################################################
# Downloads available

#devbuild "git://git.code.sf.net/p/opensound/git"
#latest? git clone git://opensound.git.sourceforge.net/gitroot/opensound/opensound opensound-git

#stable build "http://www.4front-tech.com/developer/sources/stable/gpl/oss-v4.2-build2017-src-gpl.tar.bz2"


srcfile="oss-v4.2-build2017-src-gpl.tar.bz2"
srcadd="http://www.4front-tech.com/developer/sources/stable/gpl/$srcfile"

# "gcc-5.patch"
# "oss-v4.2-linux-4.0-patch"
# "ossvermagic.patch"
# "regparm-fix.patch"
###################################################################################################

name='oss'
srcpath='/tmp/osssrc'
srcdir=${srcfile%%.tar*}
builddir='oss_build'
ver='4.2'
patchOpt=" "
drvopt="0"

##############################################
## load deps

tceinstalled="/usr/local/tce.installed"
optional_path="/etc/sysconfig/tcedir/optional"
cd $optional_path
tce_path=$(realpath ${PWD%/*})

deps="compiletc.tcz \
automake.tcz \
libtool-dev.tcz \
findutils.tcz \
git.tcz \
gtk2-dev.tcz \
linux-kernel-sources-env.tcz \
gawk.tcz \
glibc_base-dev.tcz \
squashfs-tools.tcz \
bzip2.tcz"

for i in $deps ; do 

pkgname=${i%.tcz}

# check if tcz installed already
if [ -f ${tceinstalled}/"$pkgname" ]; then
	echo "${WHITE}"$i" ${GREEN}Already loaded${NORMAL}"

else
	if  [ ! -f ${tceinstalled}/"$pkgname" ]; then

# tcz not installed, then install from local path
	if [ -f ${tce_path}/optional/"$i" ]; then
	  while [ ! -f ${tceinstalled}/"$pkgname" ]; do
	    tce-load -i "$pkgname"
	      if [ "$?" == 1 ]; then
		echo "error loading $pkgname"
		echo "trying to fetch missing deps"
		chkconn
		tce-audit builddb
		tce-audit fetchmissing
	    	  tce-load -i "$pkgname"
	  	    if [ "$?" == 1 ]; then
		      echo "error loading $pkgname"
			exit
		    fi
	      fi
	  done
		if [ -f ${tceinstalled}/"$pkgname" ]; then
			echo "${CYAN}"$i" ${BLUE}loaded locally${NORMAL}"
		fi

# tcz not downloaded, install from repo
	elif [ ! -f ${tce_path}/optional/"$i" ]; then
	    tce-load -wil "$pkgname"; sleep 1
		if [ -f ${tceinstalled}/"$pkgname" ]; then
			echo "${MAGENTA}"$i" ${YELLOW}downloaded from repo${NORMAL}"
		fi
	fi
	fi
fi

if [ ! -f "${tceinstalled}/$pkgname" ]; then
	echo "${RED}$i failed to load, exiting..${NORMAL}"; sleep 3; exit 5
fi

done


##############################################
#cleanup
echo -e "\n\n Cleaning up previous builds, start fresh... "
[ -d "$srcpath" ] && sudo rm -rvf $srcpath
[ -d /tmp/"$builddir" ] && sudo rm -rvf /tmp/${builddir}

#read -p "check dir removal"

if [ -d /tmp/"$builddir" ]; then
	echo -e "\n\n Previous build directory found, discard before continuing... "
	sleep 10
	exit 1
fi


##############################################
# prep kernel sources

cliorx linux-kernel-sources-env.sh

##############################################
# unpack sources


# sudo git clone $srcadd $srcdir
cd /tmp
[ -f "$srcfile" ] || exit


mkdir -p ${srcpath}/${srcdir}
tar -jxvf /tmp/$srcfile -C $srcpath


##############################################
# Build Flags and options

if [ $(uname -a | grep -c "x86_64") == 1 ]; then

	#for x86_64
	export CFLAGS="-mtune=generic -Os -pipe"
	export CXXFLAGS="-mtune=generic -Os -pipe"
	export LDFLAGS="-Wl,-O1"
	export reg="--no-regparm"
	patchOpt="regparm-fix.patch"
else
	#for i486+
	echo -e "\n\n Export compiler flags... "
	export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
	export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe"
	export reg="--regparm"
	patchOpt=""
	drvOpt="1"
fi


##############################################
# Apply src Patches

cd ${srcpath}/$srcdir

if [ x"$drvOpt" == x1 ]; then
cp -ar ${PWD}/attic/drv/oss_neomagic ${PWD}/kernel/drv/oss_neomagic
cp -ar ${PWD}/attic/drv/oss_maestro ${PWD}/kernel/drv/oss_maestro
fi

pachy="$patchOpt"

if [ -n "$pachy" ]; then
for i in $pachy; do 

   if [ -f /tmp/"$i" ]; then
	cp /tmp/$i ${srcpath}/${srcdir}/$i
	patch -p0 < "$i"
   else
	echo -e "${RED}$i not found in tmp directory${NORMAL}"
	sleep 60
	exit
   fi
done
fi
# read -p "Enter2continue"

##############################################
# configure & make

cd /tmp
sudo touch NOW
sleep 5

mkdir -p /tmp/$builddir
cd /tmp/"$builddir"

${srcpath}/${srcdir}/configure --enable-libsalsa=NO --config-midi=YES $reg

# read -p "Enter2continue"

gcc -shared -fPIC oss/lib/flashsupport.c -o libflashsupport.so

#sudo make build
#read -p "Enter2continue"

sudo make install

set +x

## additional optional commands
[ -d /home/tc/oss_raw ] || mkdir -p /home/tc/oss_raw
sudo find /usr -newer /tmp/NOW -not -type d > /home/tc/oss_raw/oss_raw.list
sudo find /etc -newer /tmp/NOW -not -type d >> /home/tc/oss_raw/oss_raw.list
sudo find /lib -newer /tmp/NOW -not -type d >> /home/tc/oss_raw/oss_raw.list
cd /home/tc/oss_raw
sudo tar -T oss_raw.list -czvf oss_raw.tar.gz


echo -e "\n Done"
echo -e "\n OSS can be found in /build dir/prototype"
sleep 20
exit 2