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

STD_DEPS="compiletc squashfs-tools libtool python3.8"
BUILD_DEPS="ncurses-dev python3.8-dev libcap-ng-dev libudev-dev readline-dev"
TCZ_DEPS="ncurses libcap-ng libudev"
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            #
######################################################

SRCNAM=util-linux-2.35.2.tar.xz
WRKDIR=util-linux-2.35.2
EXTNAM=util-linux
TMPDIR=/tmp/util-linux

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

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR
rm -r -f $TMPDIR
rm -r -f ${TMPDIR}_base-dev
rm -r -f $TMPDIR-initrd
rm -r -f $TMPDIR-dev
rm -r -f $TMPDIR-doc
rm -r -f $TMPDIR-locale
rm -r -f $TMPDIR-python


######################################################
# 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 \
--libdir=/usr/local/lib \
--with-ncursesw \
--disable-use-tty-group \
--disable-makeinstall-chown \
--with-python=3

# 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 the base-dev extension
mkdir -p ${TMPDIR}_base-dev/usr/lib/pkgconfig
mkdir -p ${TMPDIR}_base-dev/usr/include

mv -f $TMPDIR/usr/local/lib/pkgconfig/blkid.pc ${TMPDIR}_base-dev/usr/lib/pkgconfig
mv -f $TMPDIR/usr/local/lib/pkgconfig/uuid.pc ${TMPDIR}_base-dev/usr/lib/pkgconfig
### Mount is not currently in base, put this in util-linux-dev
#mv -f $TMPDIR/usr/local/lib/pkgconfig/mount.pc ${TMPDIR}_base-dev/usr/lib/pkgconfig

mv -f $TMPDIR/usr/local/include/blkid ${TMPDIR}_base-dev/usr/include
mv -f $TMPDIR/usr/local/include/uuid ${TMPDIR}_base-dev/usr/include
#mv -f $TMPDIR/usr/local/include/libmount ${TMPDIR}_base-dev/usr/include

mv -f $TMPDIR/usr/local/lib/libblkid.a ${TMPDIR}_base-dev/usr/lib
mv -f $TMPDIR/usr/local/lib/libblkid.la ${TMPDIR}_base-dev/usr/lib
mv -f $TMPDIR/usr/local/lib/libuuid.a ${TMPDIR}_base-dev/usr/lib
mv -f $TMPDIR/usr/local/lib/libuuid.la ${TMPDIR}_base-dev/usr/lib
### Mount is not currently in base, put this in util-linux-dev
#mv -f $TMPDIR/usr/local/lib/libmount.a ${TMPDIR}_base-dev/usr/lib
#mv -f $TMPDIR/usr/local/lib/libmount.la ${TMPDIR}_base-dev/usr/lib

# Move files that will go in the initrd
mkdir -p $TMPDIR-initrd/lib
mkdir -p $TMPDIR-initrd/sbin
mkdir -p $TMPDIR-initrd/usr/lib
mkdir -p $TMPDIR-initrd/usr/bin

mv -f $TMPDIR/usr/local/lib/libblkid.* $TMPDIR-initrd/lib
mv -f $TMPDIR/usr/local/lib/libuuid.* $TMPDIR-initrd/lib
### Mount is not currently in base, put this in util-linux-dev
#mv -f $TMPDIR/usr/local/lib/libmount.* $TMPDIR-initrd/usr/lib

mv -f $TMPDIR/usr/local/sbin/blkid $TMPDIR-initrd/sbin

# Make mount suid
sudo chown root.root $TMPDIR/usr/local/bin/mount
sudo chmod u+s  $TMPDIR/usr/local/bin/mount

# Move files to doc extension

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

# Move files to python extension

mkdir -p $TMPDIR-python/usr/local/lib
mv $TMPDIR/usr/local/lib/python3.8 $TMPDIR-python/usr/local/lib

rm $TMPDIR-python/usr/local/lib/python3.8/site-packages/libmount/*.pyc
rm $TMPDIR-python/usr/local/lib/python3.8/site-packages/libmount/*.pyo

# Move files to dev extension

mkdir -p $TMPDIR-dev/usr/local/lib
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

# Move files to locale extension

mkdir -p $TMPDIR-locale/usr/local/share
mv $TMPDIR/usr/local/share/locale $TMPDIR-locale/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

###################################################
# Create base-dev extension in temp dir                #
###################################################

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

# Create md5 file

md5sum ${EXTNAM}_base-dev.tcz > ${EXTNAM}_base-dev.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr

###################################################
# Create locale extension in temp dir             #
###################################################

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

# Create md5 file

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

# Cleanup temp directory

rm -r -f usr

###################################################
# Create python extension in temp dir             #
###################################################

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

# Create md5 file

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

# Cleanup temp directory

rm -r -f usr

###################################################
# Create the initrd archive in temp dir           #
###################################################

cd $TMPDIR-initrd
tar zcf ../$EXTNAM-initrd.tar.gz *

# Cleanup temp directory
rm -r -f *

mv ../$EXTNAM-initrd.tar.gz .