#!/bin/sh

# Slackware build script for pthsem.

# Written by V'yacheslav Stetskevych

PRGNAM=pthsem
VERSION=${VERSION:-2.0.7}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Apply the patch to use the monotonic clock, for eibd to work correctly
# after a date/time change.
patch -p1 < $CWD/0001-Use-monotonic-clock-for-pthsem.patch

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux \
  --enable-shared=yes \
  --enable-static=no \
  --enable-pthread=no

# Edit the Makefile to enable compilation with the monotonic clock patch.
sed 's/-ldl/-ldl -lrt/' Makefile > Makefile.sed
mv Makefile.sed Makefile

make
make test
make install DESTDIR=$PKG

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
)

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
)

# Edit the output of pthsem-config to let eibd compile against modified pthsem.
( cd $PKG/usr/bin
  sed 's/-lpthsem/-lpthsem -lrt/' pthsem-config > pthsem-config.sed
  mv pthsem-config.sed pthsem-config
  chmod 755 pthsem-config
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a ANNOUNCE AUTHORS COPYING HACKING HISTORY INSTALL NEWS PORTING \
    README SUPPORT TESTS THANKS USERS  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}