#!/bin/sh
#
######################################################
# Build script for RPI                               #
#                                                    #
# See .info for details                              #
######################################################

# Make sure dependant extensions are loaded (Quiet if everything is already loade)
STD_DEPS="compiletc squashfs-tools caps.tcz"
BUILD_DEPS=""
TCZ_DEPS=""
DEV_TCZ_DEPS=""
FULL_DEPS="$STD_DEPS $BUILD_DEPS"

for deps in $FULL_DEPS; do
	tce-status -i | grep -q ${deps%.*}
	if [ $? -ne 0 ]; then
		tce-load -i $deps >/dev/null 2>&1
		if [ $? -eq 0 ]; then
        	echo "Loaded $deps..."
		else
			echo "Failed to load $deps... exiting"
			exit 1
		fi
	fi
done

######################################################
# Configure extension creation parameters            #
######################################################


#Source="http://www.thedigitalmachine.net/alsaequal.html"
#Source=http://deb.debian.org/debian/pool/main/a/alsaequal/alsaequal_0.6.orig.tar.bz2

SRCNAM=alsaequal_0.6.orig.tar.bz2
WRKDIR=alsaequal
EXTNAM=alsaequal
TMPDIR=/tmp/$EXTNAM

######################################################
# Prepare extension creation                         #
######################################################

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR

rm -r -f $TMPDIR
rm -r -f $TMPDIR-doc
rm -r -f $TMPDIR-dev

# Crete temporary directory

mkdir -p $TMPDIR

######################################################
# Compile extension                                  #
######################################################

# Export variables needed for compilation

export CFLAGS="-Os -pipe -march=armv8-a+crc -mtune=cortex-a72"
export CXXFLAGS="-Os -pipe -fno-exceptions -fno-rtti -march=armv8-a+crc -mtune=cortex-a72"

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

# Unpack source in current directory

tar -xf $SRCNAM

# Patch it

cd $WRKDIR

for p in $(cat ../patches/series); do
	patch -p1 < ../patches/$p
done

# Edit makefile to change cflags

# Compile

make

# Install in base temp dir

LIBDIR=local/lib; DESTDIR=$TMPDIR make install

mkdir -p $TMPDIR/usr/local/share/alsaequal
cp COPYING $TMPDIR/usr/local/share/alsaequal/COPYING

# Delete compilation work directory

cd ..
rm -r -f $WRKDIR

# Adjust directory access rigths

find $TMPDIR/ -type d | xargs chmod -v 755;

# Strip executables

find $TMPDIR | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded

# Move files to doc extension

#mkdir -p $TMPDIR-doc/usr/local
#mv $TMPDIR/usr/local/share $TMPDIR-doc/usr/local

# Move files to dev extension

#mv $TMPDIR/usr/local/include $TMPDIR-dev/usr/local
#mv $TMPDIR/usr/local/lib/*.a $TMPDIR-dev/usr/local/lib
#mv $TMPDIR/usr/local/lib/*.la $TMPDIR-dev/usr/local/lib
#mv $TMPDIR/usr/local/lib/pkgconfig $TMPDIR-dev/usr/local/lib
#mv $TMPDIR/usr/local/share/aclocal $TMPDIR-dev/usr/local/share

###################################################
# Create base extension in temp dir               #
###################################################

cd $TMPDIR
cd ..
mksquashfs $TMPDIR $EXTNAM.tcz
cd $TMPDIR
find usr -not -type d > $EXTNAM.tcz.list
mv ../$EXTNAM.tcz .

# Create md5 file

md5sum $EXTNAM.tcz > $EXTNAM.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr

###################################################
# Create doc extension in temp dir                #
###################################################

#cd $TMPDIR-doc
#cd ..
#mksquashfs $TMPDIR-doc $EXTNAM-doc.tcz
#cd $TMPDIR-doc
#find usr -not -type d > $EXTNAM-doc.tcz.list
#mv ../$EXTNAM-doc.tcz .

# Create md5 file

#md5sum $EXTNAM-doc.tcz > $EXTNAM-doc.tcz.md5.txt

# Cleanup temp directory

#rm -r -f usr

###################################################
# Create dev extension in temp dir                #
###################################################

#cd $TMPDIR-dev
#cd ..
#mksquashfs $TMPDIR-dev $EXTNAM-dev.tcz
#cd $TMPDIR-dev
#find usr -not -type d > $EXTNAM-dev.tcz.list
#mv ../$EXTNAM-dev.tcz .

# Create md5 file

#md5sum $EXTNAM-dev.tcz > $EXTNAM-dev.tcz.md5.txt

# Cleanup temp directory

#rm -r -f usr