#!/bin/bash

WANT_AUTOMAKE_1_6=1 export WANT_AUTOMAKE_1_6
WANT_AUTOMAKE=1.6 export WANT_AUTOMAKE
AUTOMAKE_MIN=1.6.0
AUTOCONF_MIN=2.53
LIBTOOL_MIN=1.4.0

if [ $# -ne 0 ]; then
  args="$@"
elif [ -r /etc/asound/driver_args ]; then
  args="`cat /etc/asound/driver_args`"
else
  args="--with-debug=full --with-isapnp=yes --with-sequencer=yes"
fi

if [ -r /usr/share/aclocal/alsa-lib.m4 ]; then
  rm -f /usr/share/aclocal/alsa-lib.m4
fi
if [ -r /usr/local/share/aclocal/alsa-lib.m4 ]; then
  rm -f /usr/local/share/aclocal/alsa-lib.m4
fi
#if [ -d ../alsa-lib ]; then
#  echo "Building hard symlinks with alsa-lib sources..."
#  cd kernel
#  pwd
#  cd ..
#fi

# check for alsa-kmirror or 2.6 linux source tree directory
if [ -d alsa-kernel -a -f alsa-kernel/last.c ]; then
  ALSAKERNELDIR="alsa-kernel"
elif [ -d ../alsa-kernel -a -f ../alsa-kernel/sound/last.c ]; then
  ALSAKERNELDIR="../alsa-kernel"
elif [ -d ../sound-2.6 -a -f ../sound-2.6/sound/last.c ]; then
  ALSAKERNELDIR="../sound-2.6"
elif [ -d alsa-kmirror -a -f alsa-kmirror/last.c ]; then
  ALSAKERNELDIR="alsa-kmirror"
elif [ -d ../alsa-kmirror -a -f ../alsa-kmirror/last.c ]; then
  ALSAKERNELDIR="../alsa-kmirror"
else
  test -z "$ALSAKERNELDIR" && ALSAKERNELDIR=../alsa-kmirror
  if [ ! -d "$ALSAKERNELDIR" -o ! -f "$ALSAKERNELDIR"/last.c ]; then
    if [ ! -f "$ALSAKERNELDIR"/sound/last.c ]; then
      echo "No alsa-kmirror or alsa-kernel tree is found."
      echo "Please specify the correct location via ALSAKERNELDIR environment variable."
      exit 1
    fi
  fi
fi
ALSAKERNELDIR=$(cd "$ALSAKERNELDIR" && pwd)
make ALSAKERNELDIR="$ALSAKERNELDIR" all-deps || exit 1
aclocal $ACLOCAL_FLAGS || exit 1
autoconf || exit 1
echo "./configure $args"
./configure $args || exit 1
if [ -z "$GITCOMPILE_NO_MAKE" ]; then
  make dep || exit 1
  make || exit 1
fi
exit 0