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dnl Process this file with autoconf to produce a configure script.
dnl ====================================================================
dnl
dnl     configure.in
dnl
dnl     configure script for eCos USB host-side support
dnl
dnl ====================================================================
dnl ####ECOSGPLCOPYRIGHTBEGIN####
dnl -------------------------------------------
dnl This file is part of eCos, the Embedded Configurable Operating System.
dnl Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
dnl
dnl eCos is free software; you can redistribute it and/or modify it under
dnl the terms of the GNU General Public License as published by the Free
dnl Software Foundation; either version 2 or (at your option) any later version.
dnl
dnl eCos is distributed in the hope that it will be useful, but WITHOUT ANY
dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or
dnl FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
dnl for more details.
dnl
dnl You should have received a copy of the GNU General Public License along
dnl with eCos; if not, write to the Free Software Foundation, Inc.,
dnl 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
dnl
dnl As a special exception, if other files instantiate templates or use macros
dnl or inline functions from this file, or you compile this file and link it
dnl with other works to produce a work based on this file, this file does not
dnl by itself cause the resulting work to be covered by the GNU General Public
dnl License. However the source code for this file must still be made available
dnl in accordance with section (3) of the GNU General Public License.
dnl
dnl This exception does not invalidate any other reasons why a work based on
dnl this file might be covered by the GNU General Public License.
dnl
dnl Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
dnl at http://sources.redhat.com/ecos/ecos-license/
dnl -------------------------------------------
dnl ####ECOSGPLCOPYRIGHTEND####
dnl ====================================================================
dnl#####DESCRIPTIONBEGIN####
dnl
dnl Author(s):  bartv
dnl Contact(s): bartv
dnl Date:       2002/01/10
dnl Version:    0.01
dnl
dnl####DESCRIPTIONEND####
dnl ====================================================================


AC_INIT(usbhost.c)

dnl Pick up the support files from the top-level acsupport directory.
AC_CONFIG_AUX_DIR(../../../../../../acsupport)

ECOS_CHECK_BUILD_ne_SRC
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE(usbhost,0.1,0)
AM_MAINTAINER_MODE

dnl The current version of the USB testing support depends on 
dnl functionality provided only by Linux platforms, and has only been
dnl tested on x86 machines, so a test is appropriate here. However
dnl it is not a good idea for the configure script to report an error:
dnl that would prevent any top-level configury working for other
dnl platforms. Instead an automake conditional is used to suppress adding
dnl targets to the build.
case "${host}" in
    *-*-linux-gnu* ) SUPPORTED="yes";;
    * ) SUPPORTED="no"
esac

if test "${SUPPORTED}" = "no" ; then
    AC_MSG_WARN([USB testing is only supported on Linux hosts])
else   
    AC_PROG_CC
    AC_PROG_CXX
    AC_PROG_LN_S
    AC_OBJEXT
    AC_EXEEXT
    ECOS_PROG_MSVC
    ECOS_PROG_STANDARD_COMPILER_FLAGS
    ECOS_PACKAGE_DIRS

    ECOS_PATH_TCL
    dnl Check that the version of tcl is sufficiently recent.
    dnl e.g. "end" only became a valid index for the
    dnl string commands after 8.1
    if test "${TK_MAJOR_VERSION}" = "8" ; then
        if test ${TK_MINOR_VERSION} -lt 2 ; then
            AC_MSG_WARN([Version 8.2 or greater of Tcl/Tk is required])
            SUPPORTED="no"
        fi
    fi
    if test "${SUPPORTED}" = "yes" ; then
        AC_CHECK_HEADERS("linux/usb.h" "linux/usbdevice_fs.h",,SUPPORTED="no")
        if test "${SUPPORTED}" = "no" ; then
            AC_MSG_WARN([Required Linux kernel functionality does not appear to be available])
        fi
    fi
fi
        
if test "${SUPPORTED}" = "no" ; then
    AC_MSG_WARN([The USB testing support cannot be built on this platform.])
fi
        
AM_CONDITIONAL(SUPPORTED, test "${SUPPORTED}" = "yes")

dnl There is no real need for a config.h file at this time, since the code
dnl is specific to Linux. This may change in future.
dnl AM_CONFIG_HEADER(config.h:config.h.in)

AC_OUTPUT(Makefile:Makefile.in)