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

tce-load -i compiletc squashfs-tools git libtool automake autoconf gettext-dev ncurses-dev

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

#SRC=https://gitlab.com/procps-ng/procps

SRCNAM=procps-v3.3.16.tar.gz
WRKDIR=procps-v3.3.16
EXTNAM=procps-ng
TMPDIR=/tmp/$EXTNAM

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

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR

rm -r -f $TMPDIR*

# Crete temporary directory

mkdir -p $TMPDIR

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

# Export variables needed for compilation

case $(uname -m) in
	armv*)
		export CFLAGS="-Os -pipe -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp"
		export CXXFLAGS="-Os -pipe -fexceptions -fno-rtti -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp"
	;;
	aarch64)
		export CFLAGS="-Os -pipe -march=armv8-a+crc -mtune=cortex-a72"
		export CXXFLAGS="-Os -pipe -fexceptions -fno-rtti -march=armv8-a+crc -mtune=cortex-a72"
	;;
esac

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR

./autogen.sh

#
if [ ! -f /usr/local/include/ncurses.h ]; then
	#procps does not like the non-standard location for ncurses headers.
	sudo cp /usr/local/include/ncursesw/* /usr/local/include
fi

./configure --prefix=/usr/local

# Compile

make -j4

[ $? -ne 0 ] && exit

# Install in base temp dir

make install DESTDIR=$TMPDIR

cp COPYING* $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 locale extension

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

# Move files to doc extension

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

# 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

#Copy COPYING
mkdir -p $TMPDIR/usr/local/share/procps
mv $TMPDIR/COPYING* $TMPDIR/usr/local/share/procps

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