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path: root/gssm/config/usrp_libusb.m4
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# Check for libusb support.             		-*- Autoconf -*-

# Copyright 2003 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

AC_DEFUN([USRP_LIBUSB],
[
	AC_LANG_PUSH(C)

	AC_CHECK_HEADERS([usb.h],
	  [],
	  [ AC_MSG_ERROR([USRP requires libusb. usb.h not found, stop. See http://libusb.sf.net]) ]
	)

        save_LIBS="$LIBS"
	AC_SEARCH_LIBS(usb_bulk_write, [usb],
	  [ USB_LIBS="$LIBS" ],
	  [ AC_MSG_ERROR([USRP requires libusb. usb_bulk_write not found, stop. See http://libusb.sf.net]) ]
	)
        LIBS="$save_LIBS"

	AC_LANG_POP
	AC_SUBST(USB_LIBS)
])
personal git repositories of Harald Welte. Your mileage may vary