#!/bin/bash -x

if [ "$1" == "" ] ; then
  COMMIT=master
else
  COMMIT="$1"
fi

MYTMP=`mktemp -d`/build
MYPREFIX=$HOME/opt/pkgconf
EXTRA_CONFIGURE_FLAGS=''
SYSTEM_LIBDIRS=/usr/lib
PKG_CONFIG_DIR=/usr/lib/pkgconfig

UNAME=`uname`
if [ "$UNAME" == "Linux" ] ; then
  echo "linux"
  SYSTEM_LIBDIRS=`gcc -print-search-dirs | sed -n -e's/^libraries: =//p' | sed -e 's/:/\n/g' | xargs -n1 readlink -f | grep -v 'gcc\|/[0-9.]\+$$' | sort -u | tr '\n' : | sed 's/:$$//'`
  if [ -f "/etc/debian_version" ] ; then
    DEB_HOST_MULTIARCH=`/usr/bin/dpkg-architecture | grep ^DEB_HOST_MULTIARCH | cut -d= -f2`
    PKG_CONFIG_DIR="/usr/local/lib/$DEB_HOST_MULTIARCH/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:/usr/lib/$DEB_HOST_MULTIARCH/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig"
  else
    echo "unknown linux";
    exit 2;
  fi
elif [ "$UNAME" == "Darwin" ]; then
  echo "mac"
elif [ "$UNAME" == "FreeBSD" ]; then
  echo "freebsd"
  PKG_CONFIG_DIR=/usr/local/libdata/pkgconfig:/usr/local/lib/pkgconfig
else
  echo "unknown os";
  exit 2;
fi

# this is intended for Debian only.
# I may update it later as needed


git clone https://github.com/pkgconf/pkgconf.git $MYTMP

cd $MYTMP

if [ "$COMMIT" != "master" ] ; then
  git remote add mine https://github.com/plicease/pkgconf.git
  git remote update -p
  git checkout $COMMIT
fi;

./autogen.sh

./configure \
  --prefix=$MYPREFIX \
  --mandir=$MYPREFIX/share/man \
  --infodir=$MYPREFIX/share/info \
  --enable-shared \
  --with-pic \
  --with-system-libdir=$SYSTEM_LIBDIRS \
  --with-system-includedir=/usr/include \
  --with-pkg-config-dir=$MYPREFIX/lib/pkgconfig:$PKG_CONFIG_DIR \
  $EXTRA_CONFIGURE_FLAGS

make

rm -rf $MYPREFIX
make install

mkdir $MYPREFIX/dll
mv $MYPREFIX/lib/*.so* $MYPREFIX/dll

cd $HOME

rm -rf $MYTMP