#!/bin/sh

[ -z $PREPKG ] && exit 1

PACKAGE=pigz
VERSION=2.2.5
FILES=$(cd $(dirname $0) ; pwd)

mkdir -p \
  $PREPKG/{install,usr/{bin,doc/$PACKAGE-$VERSION,man/man1}}/

tar xf $FILES/$PACKAGE-$VERSION.tar.gz || exit 1

chown -R \
  root:root .
cd $PACKAGE-$VERSION/
# override 'CFLAGS=-O3 -Wall -Wextra'
sed -i 's,^CFLAGS=.*,CFLAGS=-O2 -march=i486 -mtune=i686,g' Makefile
make $MAKEJOBS &> make.output || exit 1

# no install target. place files manually
cp -p \
  $PACKAGE \
  $PREPKG/usr/bin/
ln -s \
  $PACKAGE \
  $PREPKG/usr/bin/un$PACKAGE
cp -p \
  README \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/
cp -p \
  $PACKAGE.1 \
  $PREPKG/usr/man/man1/
gzip -r9 \
  $PREPKG/usr/man/

cp \
  $FILES/slack-desc \
  $PREPKG/install/

find $PREPKG -exec file {} \; \
  | awk -F : '/ ELF / {print $1}' \
  | xargs strip -p --strip-unneeded