dnl Process this file with autoconf to produce a configure script.

AC_INIT(src/cflow2vcg.c)

AM_INIT_AUTOMAKE(cflow2vcg, 0.5)

AC_PROG_CC
AC_PROG_MAKE_SET
AC_ARG_PROGRAM
AC_PROG_RANLIB

dnl Only use -Wall if we have gcc
if test "x$GCC" = "xyes"; then
  if test -z "`echo "$CFLAGS" | grep "\-Wall" 2> /dev/null`" ; then
    CFLAGS="$CFLAGS -Wall"
  fi
fi

dnl Checks for header files.  

AC_HEADER_CHECK(fcntl.h,,AC_MSG_ERROR([required header file missing]),)  

dnl Enable debuging information

AC_ARG_ENABLE(debug,
[  --enable-debug        Enable debuging information],
[case "${enableval}" in
  yes) debug=true ;;  
  no)  debug=false ;; 
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
esac],[debug=false])

if test "$debug" = "true"; then
  echo "Debuging statements enabled"
  CFLAGS="-D_DEBUG_ $CFLAGS"
fi

dnl AC_SUBST ($PACKAGE)
dnl AC_SUBST ($VERSION)

AC_OUTPUT(src/Makefile doc/Makefile test/Makefile Makefile)

echo "$PACKAGE configured, type make to build"