#!/bin/sh

[ -z $PREPKG ] && exit 1

PACKAGE=glc
VERSION=0.4.5
FILES=$(cd $(dirname $0) ; pwd)

# notes:
# - duplicating the essential functionality of "glc-build.sh" without
#   all the Ubuntu-isms (ie: sudo foo, apt-get install bar)
# - added changelog & copyright info where provided

mkdir -p $PREPKG/{install,usr/doc/$PACKAGE-$VERSION}/

chown -R root:root .
CFLAGS="-O2 -msse -mmmx -fomit-frame-pointer"
LDFLAGS="-Wl,-O1"

cd elfhacks/
make $MAKEJOBS CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" &> make.output || exit 1
make DESTDIR=$PREPKG install &> make_install.output || exit 1
sed -n '/\/* elfhacks\.h/,/*\//p' src/elfhacks.h > \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/COPYRIGHT.elfhacks
cd ..

cd packetstream/
make $MAKEJOBS CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" &> make.output || exit 1
make DESTDIR=$PREPKG install &> make_install.output || exit 1
cp -p CHANGELOG \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/CHANGELOG.packetstream
sed -n '/\/* packetstream\.h/,/*\//p' src/packetstream.h > \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/COPYRIGHT.packetstream
cd ..

cd glc/
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:../elfhacks/build:../packetstream/build" \
  make $MAKEJOBS \
  CFLAGS="$CFLAGS -I../elfhacks/src -I../packetstream/src" \
  LDFLAGS="$LDFLAGS -L../elfhacks/build -L../packetstream/build" \
  &> make.output || exit 1
make DESTDIR=$PREPKG install &> make_install.output || exit 1
make DESTDIR=$PREPKG install-scripts &> make_install-scripts.output || exit 1
cp -p CHANGELOG \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/CHANGELOG.glc
sed -n '/\/* glc\.h/,/*\//p' src/common/glc.h > \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/COPYRIGHT.glc
cd ..

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

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