dnl Process this file with autoconf to produce a configure script.
AC_INIT(cmatrix.c)
AM_INIT_AUTOMAKE(cmatrix, 1.2a)
AM_CONFIG_HEADER(config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

dnl Checks for libraries.
dnl Replace `main' with a function in -lncurses:
AC_CHECK_LIB(ncurses, main)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h unistd.h termios.h termio.h)

dnl Checks for typedefs, structures, and compiler characteristics.

dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(putenv)

dnl Checks for libraries.

AC_CHECK_HEADERS(curses.h ncurses.h)

CURSES_LIB_NAME=""
AC_CHECK_LIB(ncurses, tgetent, CURSES_LIB="-lncurses" CURSES_LIB_NAME=ncurses)

if eval "test x$CURSES_LIB_NAME = x"
then
    AC_CHECK_LIB(curses, tgetent, CURSES_LIB="-lcurses" CURSES_LIB_NAME=curses)
fi

if eval "test x$CURSES_LIB_NAME = x"
then
    AC_CHECK_LIB(termcap, tgetent, CURSES_LIB="-ltermcap" CURSES_LIB_NAME=termcap)
fi

if eval "test x$CURSES_LIB_NAME = x"
then
    AC_MSG_WARN([
*** No termcap lib available, consider getting the official ncurses
*** distribution from ftp://ftp.gnu.org/pub/gnu/ncurses if you get
*** errors compiling nano.])
else
    AC_MSG_RESULT("Using $CURSES_LIB_NAME as the termcap library")
fi

AC_CHECK_LIB($CURSES_LIB_NAME, use_default_colors,
	 AC_DEFINE(HAVE_USE_DEFAULT_COLORS))
AC_CHECK_LIB($CURSES_LIB_NAME, resizeterm, [AC_DEFINE(HAVE_RESIZETERM)])
AC_CHECK_LIB([$CURSES_LIB_NAME], wresize, [AC_DEFINE(HAVE_WRESIZE)])


dnl Only change gcc options if we are using gcc.  
if test "$ac_cv_prog_CC" = gcc -o "$ac_cv_prog_CC" = g++; then
  CFLAGS="$CFLAGS -Wall -Wno-comment"
fi

dnl Stuff we want at the end so people can actually see it...


dnl Parse any configure options

LIBS="$LIBS $CURSES_LIB"
AC_ARG_ENABLE(debug, [  --enable-debug          Enable debugging (def disabled)],)

AC_SUBST(CURSES_LIB)

AC_OUTPUT(Makefile cmatrix.spec)