#!/bin/sh
#
######################################################
# Build script for piCore                            #
#                                                    #
# See .info for details                              #
#                                                    #
# NOT LTO COMPATIBLE                                 #
#                                                    #
######################################################

#Will not install with busybox utils
tce-load -i compiletc coreutils

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

SRCNAM=e2fsprogs-1.45.5.tar.gz
WRKDIR=e2fsprogs-1.45.5
EXTNAM=e2fsprogs_base
TMPDIR=/tmp/e2fsprogs_base

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

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR
rm -r -f $TMPDIR
rm -r -f $TMPDIR-dev

# Crete temporary directory

mkdir -p $TMPDIR
mkdir -p $TMPDIR-dev

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

# Export variables needed for compilation

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

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR
mkdir build
cd build

../configure \
--prefix=/usr \
--enable-elf-shlibs \
--disable-libuuid \
--disable-libblkid \
--disable-uuidd

# Compile

make -j4

# Install in base temp dir

make install DESTDIR=$TMPDIR

make install-libs  DESTDIR=$TMPDIR

cd ..
rm -r -f $WRKDIR

cd $TMPDIR

# Pack dev 

mkdir -p $TMPDIR-dev/usr/lib
mkdir -p $TMPDIR-dev/usr/share
mv $TMPDIR/usr/include $TMPDIR-dev/usr
mv $TMPDIR/usr/lib/pkgconfig $TMPDIR-dev/usr/lib
mv $TMPDIR/usr/lib/*.a $TMPDIR-dev/usr/lib
mv $TMPDIR/usr/share/et $TMPDIR-dev/usr/share
rm -r -f $TMPDIR-dev/usr/include/ss
rm -r -f $TMPDIR-dev/usr/lib/pkgconfig/ss.pc
rm -r -f $TMPDIR-dev/usr/lib/libss.a

# Delete unneded files from base

rm -r -f $TMPDIR/usr/share
rm -r -f $TMPDIR/usr/lib/libss*
mv  $TMPDIR/usr/etc $TMPDIR
rm -r -f $TMPDIR/usr/bin
rm -r -f $TMPDIR/usr/sbin/b*
rm -r -f $TMPDIR/usr/sbin/d*
rm -r -f $TMPDIR/usr/sbin/e2free*
rm -r -f $TMPDIR/usr/sbin/e2i*
rm -r -f $TMPDIR/usr/sbin/e2l*
rm -r -f $TMPDIR/usr/sbin/e2u*
rm -r -f $TMPDIR/usr/sbin/e4*
rm -r -f $TMPDIR/usr/sbin/file*
rm -r -f $TMPDIR/usr/sbin/fsck*
rm -r -f $TMPDIR/usr/sbin/log*
rm -r -f $TMPDIR/usr/sbin/mkfs*
rm -r -f $TMPDIR/usr/sbin/e2mmpstatus

# Add symlinks

cd $TMPDIR/usr/sbin
ln -s e2fsck fsck.ext2
ln -s e2fsck fsck.ext3
ln -s e2fsck fsck.ext4
ln -s e2fsck fsck.ext4dev
ln -s mke2fs mkfs.ext2
ln -s mke2fs mkfs.ext3
ln -s mke2fs mkfs.ext4
ln -s mke2fs mkfs.ext4dev

# Strip binaries

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


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