AC_INIT(src)

AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(moses, 0.1)

AC_PROG_CXX
AC_LANG_CPLUSPLUS
AC_PROG_RANLIB
#AM_PROG_LIBTOOL

AC_ARG_WITH(srilm,
            [AC_HELP_STRING([--with-srilm=PATH], [(optional) path to SRI's LM toolkit])],
            [with_srilm=$withval],
            [with_srilm=no]
           )

AC_ARG_WITH(boost,
            [AC_HELP_STRING([--with-srilm=PATH], [path to BOOST libraries])],
            [with_boost=$withval],
            [with_boost=no]
           )

AC_ARG_WITH(moses,
            [AC_HELP_STRING([--with-moses=PATH], [path to moses library])],
            [with_moses=$withval],
            [with_moses=no]
           )

AC_ARG_ENABLE(mysql, AC_HELP_STRING([--enable-mysql], [(optional) build in MySQL support])],
            [mysql_flag=yes], [mysql_flag=no])
if test "x$with_boost" != 'xno'
then
  CPPFLAGS="$CPPFLAGS -I${with_boost}"
  LDFLAGS="$LDFLAGS -L${with_boost}/lib -L${with_boost}/stage/lib"
fi

if test "x$with_moses" != 'xno'
then
  CPPFLAGS="$CPPFLAGS -I${with_moses}/src"
  LDFLAGS="$LDFLAGS -L${with_moses}/src"
fi
LIBS="$LIBS -lmoses"

AC_CHECK_HEADER([Manager.h], [], [AC_MSG_ERROR([Cannot find moses headers!  Use --with-moses=PATH])])
AC_CHECK_HEADER([boost/algorithm/string.hpp], [], [AC_MSG_ERROR([Cannot find boost.  Use --with-boost=PATH])])
AC_CHECK_HEADER([boost/iostreams/filtering_stream.hpp], [], [AC_MSG_ERROR([Cannot find boost.  Use --with-boost=PATH])])

if test "$mysql_flag" = 'yes'
then
  AC_MYSQLCLIENT(,,
    [AC_ERROR([Could not locate mysql client libraries.  Try --with-mysql-prefix/-include/-lib])])
  LDFLAGS="$LDFLAGS $MYSQLCLIENT_LDFLAGS"
  CPPFLAGS="$CPPFLAGS $MYSQLCLIENT_CPPFLAGS"
  LIBS="$LIBS $MYSQLCLIENT_LIBS"

  MYSQLPP_DEVEL
  LIBS="$LIBS -lmysqlpp"

  AM_CONDITIONAL([BUILD_MYSQL_SUPPORT], true)
else
  AM_CONDITIONAL([BUILD_MYSQL_SUPPORT], false)
fi

if test "x$with_srilm" != 'xno'
then
  SAVE_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS -I${with_srilm}/include"
  
  AC_CHECK_HEADER(Ngram.h,
                 [AC_DEFINE([HAVE_SRILM], [], [flag for SRILM])],
                 [AC_MSG_ERROR([Cannot find SRILM!])])

  LIB_SRILM="-loolm -ldstruct -lmisc"
  # ROOT/lib/i686-m64/liboolm.a
  # ROOT/lib/i686-m64/libdstruct.a
  # ROOT/lib/i686-m64/libmisc.a
  MY_ARCH=`${with_srilm}/sbin/machine-type`
  LDFLAGS="$LDFLAGS -L${with_srilm}/lib/${MY_ARCH}"
  LIBS="$LIBS $LIB_SRILM"
  FMTLIBS="$FMTLIBS liboolm.a libdstruct.a libmisc.a"
  AM_CONDITIONAL([SRI_LM], true)
  AM_CONDITIONAL([INTERNAL_LM], false)
else
  echo "Using internal language model (use --with-srilm to change)!"
  AM_CONDITIONAL([SRI_LM], false)
  AM_CONDITIONAL([INTERNAL_LM], true)
fi

LIBS="$LIBS -lboost_iostreams-gcc-mt -lboost_filesystem-gcc-mt -lboost_thread-gcc-mt -lz"
FMT_LIBS="$FMT_LIBS libboost_iostreams.a libboost_filesystem.a libboost_thread.a"


AC_OUTPUT(Makefile src/Makefile)