#!/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            #
######################################################

#https://github.com/esnet/iperf/archive/3.6.tar.gz

SRCNAM=3.9.tar.gz
WRKDIR=iperf-3.9
EXTNAM=iperf3
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

# 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"

# Unpack source in current directory

tar -xf $SRCNAM

# Compile

cd $WRKDIR

./configure --prefix=/usr/local

make -j4

make install DESTDIR=$TMPDIR

# Install in base temp dir

mkdir -p $TMPDIR/usr/local/bin
mkdir -p $TMPDIR/usr/local/share/doc/licences/$EXTNAM
mkdir -p $TMPDIR/usr/local/share/man/man8

cp iw $TMPDIR/usr/local/bin
cp COPYING $TMPDIR/usr/local/share/doc/licences/$EXTNAM
cp LICENSE $TMPDIR/usr/local/share/doc/licences/$EXTNAM

cp *.8 mkdir -p $TMPDIR/usr/local/share/man/man8

# 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/share
mv $TMPDIR/usr/local/share/man $TMPDIR-doc/usr/local/share

# Remove unneeded dev tools
rm -rf $TMPDIR/usr/local/include
rm -f $TMPDIR/usr/local/lib/*.a
rm -f $TMPDIR/usr/local/lib/*.la

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