AC_INIT(README)

AC_CHECK_PROG(GNU_MAKE,make,yes)
AC_PROG_INSTALL
AC_PATH_PROG(EBOARDCONFIG,eboard-config,no)

if test "$EBOARDCONFIG" != "no"; then
	AC_MSG_CHECKING(for eboard >= 0.3.1)
	echo "0.3.1" > vfile1
	$EBOARDCONFIG --version >> vfile1
	sort <vfile1 >vfile2

	echo "0.3.2" > vfile3
	$EBOARDCONFIG --version >> vfile3
	sort <vfile3 >vfile4

	if ! diff -q vfile1 vfile2 >/dev/null ; then
		rm -f vfile1 vfile2 vfile3 vfile4
		AC_MSG_RESULT(no)
		AC_MSG_ERROR(you need eboard 0.3.1 or newer)
	else
		rm -f vfile1 vfile2
		AC_MSG_RESULT(yes)
	fi	
else
	AC_MSG_ERROR(you don't seem to have eboard >= 0.3.1 installed.)
fi

if ! diff -q vfile3 vfile4 >/dev/null ; then
	MY_TARGET=compatible-install
else
	MY_TARGET=newer-install
fi

rm -f vfile3 vfile4

AC_SUBST(MY_TARGET)

DATADIR=`$EBOARDCONFIG --datadir`
AC_SUBST(DATADIR)

AC_OUTPUT(Makefile)

echo "Now become root and type 'make install' to install eboard-extras"