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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., 51 Franklin Street, Boston, MA
# 02110-1301, USA.
AC_DEFUN([USRP_LIBUSB],
[
AC_LANG_PUSH(C)
libusbok=yes
AC_CHECK_HEADERS([usb.h],
[],
[libusbok=no,
AC_MSG_RESULT([USRP requires libusb. usb.h not found. See http://libusb.sf.net])]
)
save_LIBS="$LIBS"
case "$host_os" in
darwin*) LIBS="$LIBS -lIOKit" ;;
*) ;;
esac
AC_SEARCH_LIBS(usb_bulk_write, [usb],
[USB_LIBS="$LIBS"],
[libusbok=no,
AC_MSG_RESULT([USRP requires libusb. usb_bulk_write not found. See http://libusb.sf.net])]
)
LIBS="$save_LIBS"
AC_LANG_POP
if test $libusbok = yes; then
AC_SUBST(USB_LIBS)
ifelse([$1], , :, [$1])
else
ifelse([$2], , :, [$2])
fi
])
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