#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.63)
AC_INIT([xburst-tools], [201206])
AC_CONFIG_AUX_DIR(m4)
AM_INIT_AUTOMAKE([foreign])
AM_CONFIG_HEADER([xburst-tools-config.h])

AM_MAINTAINER_MODE

AC_ARG_ENABLE([firmware],
	[AS_HELP_STRING([--disable-firmware],
		[Do not build initialization code]
		[(for example, because some other package contains it).])],
	[AS_CASE([$enableval], [yes], [firmware=true], [no], [firmware=false],
		[AC_MSG_ERROR([bad value $enableval for --enable-firmware])])],
	[firmware=true])
AM_CONDITIONAL([COND_FIRMWARE], [test "$firmware" = true])

AC_ARG_VAR([CROSS_COMPILE],
	[Cross compiler prefix for building firmware, ]
	[e.g. CROSS_COMPILE=mipsel-openwrt-linux-.])

AS_VAR_IF([firmware], [true],
	[
	AS_VAR_IF([CROSS_COMPILE], [],
		[AC_MSG_ERROR([CROSS_COMPILE prefix is not set, set to cross-prefix- use --disable-firmware])])
	AC_CHECK_PROG([CROSS_GCC], [${CROSS_COMPILE}gcc], [yes], [no])
	AS_VAR_IF([CROSS_GCC], [no],
		[AC_MSG_ERROR([No cross compiler, check CROSS_COMPILE value])])
	],
	[CROSS_COMPILE="dummy-"]
)

# Checks for programs.
AC_PROG_CC
AC_PROG_CXX

# Checks for libraries.
AC_CHECK_LIB([c], [main])
AC_CHECK_LIB([m], [main])
AC_CHECK_LIB([gcc], [main])

AC_CHECK_LIB([confuse], [main], [], [
  echo "Error! You need to have libconfuse."
  echo "Maybe run 'sudo apt-get install libconfuse-dev' under debian"
  exit -1 ])
AC_CHECK_LIB([usb], [main], [], [
  echo "Error! You need to have libusb-0.1. \n"
  echo "Maybe run 'sudo apt-get install libusb-dev' under debian"
  exit -1 ])

PKG_CHECK_MODULES(LIBUSB, libusb-1.0 > 1.0,
  [LIBS="$LIBS $LIBUSB_LIBS" CFLAGS="$CFLAGS $LIBUSB_CFLAGS"],
  AC_MSG_ERROR(Maybe run 'sudo apt-get install libusb-1.0-0-dev' under debian"))

AC_ARG_WITH([readline],
  [AS_HELP_STRING([--with-readline],
     [support fancy command line editing @<:@default=check@:>@])],
     [],
  [with_readline=check])

READLINE_LIBS=
AS_IF([test "x$with_readline" != xno],
  [AC_CHECK_LIB([readline], [main],
    [AC_SUBST([READLINE_LIBS], ["-lreadline -lncurses"])
     AC_DEFINE([HAVE_READLINE], [1],
               [Define if you have libreadline])
    ],
    [if test "x$with_readline" != xcheck; then
      AC_MSG_FAILURE(
        [--with-readline was given, but test for readline failed])
     fi
    ], -lncurses)])

LIBS="$LIBS $USB_LIBS $READLINE_LIBS"
CFLAGS="$CFLAGS $USB_CFLAGS"

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_CHECK_FUNCS([memset strerror])

AC_CONFIG_FILES(Makefile \
		usbboot/Makefile usbboot/src/Makefile \
		xbboot/Makefile xbboot/host-app/Makefile \
		jzboot/Makefile jzboot/src/Makefile)
AC_OUTPUT