#!/bin/bash

set -e

bits32=
cbits32=
modules=
alisp=
lto=
if [ $# -ne 0 ]; then
  endloop=
  while [ -z "$endloop" ]; do
    case "$1" in
    32)
      bits32=yes
      cbits32="-m32"
      echo "Forced 32-bit library build..."
      shift ;;
    modules)
      modules=yes
      echo "Forced mixer modules build..."
      shift ;;
    alisp)
      alisp=yes
      echo "Forced alisp code build..."
      shift ;;
    python2)
      python2=yes
      echo "Forced python2 interpreter build..."
      shift ;;
    lto)
      lto="-flto -flto-partition=none"
      echo "Forced lto build..."
      shift ;;
    *)
      endloop=yes
      ;;
    esac
  done
fi
if [ $# -ne 0 -a -z "$bit32" ]; then
  args="$@"
elif [ -r /etc/asound/library_args ]; then
  args="`cat /etc/asound/library_args`"
  if [ -z "$bits32" ]; then
    test -r /etc/asound/library64_args && \
      args="`cat /etc/asound/library64_args`"
  fi
else
  prefix="/usr"
  libdir="/usr/lib"
  libdir2="/usr/lib"
  if [ -z "$bits32" ]; then
    test -d /usr/lib64 && libdir="/usr/lib64"
    test -f /lib64/libasound.so.2 && libdir="/lib64"
    test -d /usr/lib64 && libdir2="/usr/lib64"
  else
    test -f /lib/libasound.so.2 && libdir="/lib"
  fi
  args="--disable-aload --prefix=$prefix --libdir=$libdir"
  args="$args --with-plugindir=$libdir2/alsa-lib"
  args="$args --with-pkgconfdir=$libdir2/pkgconfig"
fi

if [ "$modules" = "yes" ]; then
  args="$args --enable-mixer-modules"
  args="$args --enable-mixer-pymods"
fi

if [ "$alisp" = "yes" ]; then
  args="$args --enable-alisp"
fi

if [ "$python2" = "yes" ]; then
  args="$args --enable-python2"
fi

touch ltconfig
libtoolize --force --copy --automake
aclocal $ACLOCAL_FLAGS
autoheader
automake --foreign --copy --add-missing
touch depcomp		# seems to be missing for old automake
autoconf
export CFLAGS="$cbits32 -O2 -Wall -W -Wunused-const-variable=0 -pipe -g $lto"
if [ -n "$lto" ]; then
  export AR="gcc-ar"
  export RANLIB="gcc-ranlib"
fi
echo "CFLAGS=$CFLAGS"
echo "./configure $args"
./configure $args || exit 1
unset CFLAGS
if [ -z "$GITCOMPILE_NO_MAKE" ]; then
  make
fi
