dnl ---------------------------------------------------------------------------
dnl With this file as input autoconf can generate a suitable configure file.
dnl The names of the macros start with following prefixes:
dnl     NAST_...  macros special for Nast++
dnl     AC_...    autoconf
dnl     AM_...    automake
dnl ---------------------------------------------------------------------------

dnl ---------------------------------------------------------------------------
dnl Check for the existance of a README file.
dnl This is a test for the correct choice of the --srcdir switch
dnl ---------------------------------------------------------------------------
AC_INIT(README)					

dnl ---------------------------------------------------------------------------
dnl Versionsnummern in der Form MAJORNR.MINORNR
dnl ---------------------------------------------------------------------------
NAST_MAJOR_VERSION=1
NAST_MINOR_VERSION=0
NAST_VERSION="$NAST_MAJOR_VERSION.$NAST_MINOR_VERSION"

VERSION=$NAST_MAJOR_VERSION.$NAST_MINOR_VERSION

dnl ---------------------------------------------------------------------------
dnl automake verwenden
dnl ---------------------------------------------------------------------------
AM_INIT_AUTOMAKE(Nast++, $NAST_VERSION)		

dnl ---------------------------------------------------------------------------
dnl Specify a header configuration file
dnl ---------------------------------------------------------------------------
AM_CONFIG_HEADER(config.h)

dnl ---------------------------------------------------------------------------
dnl Initialize maintainer mode
dnl ---------------------------------------------------------------------------
AM_MAINTAINER_MODE
AC_CANONICAL_HOST

dnl ---------------------------------------------------------------------------
dnl Optionen ("--enable-...", "--disable-...")
dnl ---------------------------------------------------------------------------
dnl folgende Macors in NastConfig.h sind davon betroffen:
dnl NAST_DEBUG, NAST_DUMP, NAST_DEBUG_INDEX, NAST_DUMP_VISUAL
dnl ---------------------------------------------------------------------------

dnl -------------------------------------
dnl NAST_DEBUG
dnl schaltet alle Tests an und fuegt "-g" 
dnl zu den Compileroptionen hinzu
dnl -------------------------------------

AC_ARG_ENABLE(debug, 
	[  --enable-debug          turn on debugging [default=yes]],
	nastdebug=$enableval, nastdebug=yes )

if test "$nastdebug" = "yes" ; then
	AC_DEFINE(NAST_DEBUG)
	nastdebugindex="yes"
	nastdump="yes"
	nastdumpvisual="yes"
	CXXFLAGS="-g $CXXFLAGS"
fi

dnl -------------------------------------
dnl NAST_DEBUG_INDEX
dnl -------------------------------------

AC_ARG_ENABLE(debug-index, 
	[  --enable-debug-index    check indices],
	nastdebugindex=$enableval, )

if test "$nastdebugindex" = "yes" ; then
	AC_DEFINE(NAST_DEBUG_INDEX)
fi 

dnl -------------------------------------
dnl NAST_DEBUG_DUMP
dnl -------------------------------------

AC_ARG_ENABLE(dump, 
	[  --enable-dump           enable macros for dumping],
	nastdump=$enableval, )

if test "$nastdump" = "yes" ; then
	AC_DEFINE(NAST_ENABLE_DUMP)
fi

dnl -------------------------------------
dnl NAST_DUMP_VISUAL
dnl -------------------------------------

AC_ARG_ENABLE(dump-visual,
	[  --enable-dump-visual    enable online visualization ],
	nastdumpvisual=$enableval, )

if test "$nastdumpvisual" = "yes" ; then
	AC_DEFINE(NAST_ENABLE_DUMP_VISUAL)
fi

dnl ---------------------------------------------------------------------------
dnl Check for programs
dnl ---------------------------------------------------------------------------
dnl AC_PROG_CC  brauchts eigentlich nicht

AC_PROG_CXX
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PATH_PROGS(SHELL, sh)

dnl ---------------------------------------------------------------------------
dnl check for symbolic links
dnl ---------------------------------------------------------------------------

dnl ---------------------------------------------------------------------------
dnl check for make
dnl ---------------------------------------------------------------------------
AC_PROG_MAKE_SET	

dnl ---------------------------------------------------------------------------
dnl Checks for libraries.
dnl ---------------------------------------------------------------------------

dnl ---------------------------------------------------------------------------
dnl Checks for header files.
dnl ---------------------------------------------------------------------------
AC_HEADER_STDC

dnl ---------------------------------------------------------------------------
dnl Checks for typedefs, structures, and compiler characteristics.
dnl ---------------------------------------------------------------------------

dnl ---------------------------------------------------------------------------
dnl Checks for library functions.
dnl ---------------------------------------------------------------------------


dnl ---------------------------------------------------------------------------
dnl Apply the changes
dnl ---------------------------------------------------------------------------

AC_DEFINE_UNQUOTED( NAST_MAJOR_VERSION, $NAST_MAJOR_VERSION )
AC_DEFINE_UNQUOTED( NAST_MINOR_VERSION, $NAST_MINOR_VERSION )
AC_DEFINE_UNQUOTED( NAST_VERSION,       "$NAST_VERSION"     )

AC_OUTPUT(
Makefile
bin/Makefile
src/Makefile
test/Makefile
test/benchmark/Makefile
test/base/Makefile
)

dnl ---------------------------------------------------------------------------
dnl Information
dnl ---------------------------------------------------------------------------

echo "--------------------------------------------------------------------------------"
echo "Konfiguration von Nast++ $NAST_VERSION"
echo "--------------------------------------------------------------------------------"
echo "Compiler : $CXX"
echo "Optionen : $CXXFLAGS "
echo

if test "$nastdebug" = "yes" ; then
	echo "Debugversion        : an"
else
	echo "Debugversion        : aus"
fi

if test "$nastdebugindex" = "yes" ; then
	echo "Indexueberprufung   : an"
else
	echo "Indexueberprufung   : aus"
fi

if test "$nastdump" = "yes" ; then
	echo "Debugausgaben       : an"
else
	echo "Debugausgaben       : aus"
fi

if test "$nastdumpvisual" = "yes" ; then
	echo "Onlinevisualisierung: an"
else
	echo "Onlinevisualisierung: aus"
fi
echo "----------------------------------------------------------------------"