#!/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 libtool autoconf automake git"
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="https://github.com/thom311/libnl/releases/download/libnl3_4_0/libnl-3.4.0.tar.gz"

SRCNAM=libnl-3.5.0.tar.gz
WRKDIR=libnl-3.5.0
EXTNAM=libnl
TMPDIR=/tmp/libnl

######################################################
# 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="-O2 -pipe -march=armv8-a+crc -mtune=cortex-a53"
export CXXFLAGS="-O2 -pipe -fno-exceptions -fno-rtti -march=armv8-a+crc -mtune=cortex-a53"
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR
./configure --prefix=/usr/local --enable-shared --enable-static

# Compile

make -j4

# Install in base temp dir

make install DESTDIR=$TMPDIR

# 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

mkdir -p $TMPDIR-dev/usr/local/lib/libnl/cli/cls
mkdir -p $TMPDIR-dev/usr/local/lib/libnl/cli/qdisc
mkdir -p $TMPDIR-dev/usr/local/share
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

mv $TMPDIR/usr/local/lib/libnl/cli/cls/*.a $TMPDIR-dev/usr/local/lib/libnl/cli/cls
mv $TMPDIR/usr/local/lib/libnl/cli/cls/*.la $TMPDIR-dev/usr/local/lib/libnl/cli/cls
mv $TMPDIR/usr/local/lib/libnl/cli/qdisc/*.a $TMPDIR-dev/usr/local/lib/libnl/cli/qdisc
mv $TMPDIR/usr/local/lib/libnl/cli/qdisc/*.la $TMPDIR-dev/usr/local/lib/libnl/cli/qdisc

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