#!/bin/bash

# mpfr.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <stuart@armedslack.org>

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PACKAGE
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PACKAGE
export PKG=$TMP/package-$PACKAGE
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $PORTARCH in
   arm)     export SLKCFLAGS="" ;;
   powerpc) export SLKCFLAGS="-O2" ;;
   sparc)   export SLKCFLAGS="-O2" ;;
   hppa)    export SLKCFLAGS="-O2" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar jxvvf $CWD/$PACKAGE-$VERSION.tar.bz2
cd $PACKAGE-$VERSION
slackhousekeeping

# Determine patchlevel:
PATCHLEVEL=$(/bin/ls $CWD/patches/* 2> /dev/null | rev | cut -f 1 -d / | cut -b4- | rev | cut -b6- | tail -n 1 )
if [ "$PATCHLEVEL" = "" ]; then
  PATCHLEVEL=0
fi

# Apply patches:
for file in $CWD/patches/* ; do
  ( zcat $file 2> /dev/null | patch -p1 --verbose --batch || exit 1 )
  if [ ! $? = 0 ]; then
    exit 1
  fi
done

# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --enable-static=yes \
   --enable-shared=yes \
   $ARCH-slackware-linux || failconfig

# Build:
make || failmake

# Install into package:
make install DESTDIR=$PKG

# Copy docs:
mkdir -p $PKG/usr/doc/$PACKAGE-$VERSION
cp -a AUTHORS BUGS COPYING COPYING.LIB FAQ.html INSTALL NEWS README TODO VERSION \
      $PKG/usr/doc/$PACKAGE-$VERSION

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# Build the package:
if [ $PORTARCH = arm ]; then
   slackmp # run makepkg
  else
   makepkg -l y -c n $PKGSTORE/$PKGSERIES/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz
fi

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links