#!/bin/sh

[ -z $PREPKG ] && exit 1

PACKAGE=macchanger
VERSION=1.5.0
FILES=$(cd $(dirname $0) ; pwd)

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

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

chmod -R \
  go-w .
chown -R \
  root:root .
cd $PACKAGE-$VERSION/

# assorted useful patches. hopefully not another 'debian openssh debacle'
tar xf $FILES/patches/${PACKAGE}_${VERSION}-9.debian.tar.gz

for PATCH in debian/patches/*.patch ; do
  cat $PATCH | patch -p1 &> $(basename $PATCH).output
done

# lifted verbatim from a more modern copy of 'mdate-sh'. this is
# required as the info page needs to be regenerated. without it,
# the build hangs in the 'doc' directory. ain't bitrot fun?

# GNU ls changes its time format in response to the TIME_STYLE
# variable.  Since we cannot assume `unset' works, revert this
# variable to its documented default.
if test "${TIME_STYLE+set}" = set; then
  TIME_STYLE=posix-long-iso
  export TIME_STYLE
fi

CFLAGS="-O2 -march=i486 -mtune=i686" \
  ./configure \
  --prefix=/usr \
  --build=i486-slackware-linux &> configure.output || exit 1
make $MAKEJOBS &> make.output || exit 1
make DESTDIR=$PREPKG install &> make_install.output || exit 1

# tidy up
rm \
  $PREPKG/usr/info/dir

cp -a \
  tools/ AUTHORS COPYING ChangeLog README \
  $PREPKG/usr/doc/$PACKAGE-$VERSION/
gzip -r9 \
  $PREPKG/usr/{info,man}/

cp \
  $FILES/{doinst.sh,slack-desc} \
  $PREPKG/install/

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