Autoconf support for checking the required version of libusb based on fusb-tech
[debian/gnuradio] / config / usrp_fusb_tech.m4
1 dnl
2 dnl Copyright 2003,2008 Free Software Foundation, Inc.
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4 dnl This file is part of GNU Radio
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9 dnl any later version.
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21
22 # $1 is $enable_usrp:
23 #   yes : do these tests
24 #   no  : do not do these tests
25 #   ""  : do these tests
26
27 AC_DEFUN([USRP_SET_FUSB_TECHNIQUE],[
28   req_libusb1=no
29   AC_ARG_WITH([fusb-tech],
30               AC_HELP_STRING([--with-fusb-tech=OS],
31                              [Set fast USB technique (default=auto)]),
32               [cf_with_fusb_tech="$withval"],
33               [cf_with_fusb_tech="$host_os"])
34   if test [x]$1 != xno; then
35       case "$cf_with_fusb_tech" in
36         libusb1*)
37           FUSB_TECH=libusb1
38           req_libusb1=yes
39           ;;
40         linux*)
41           AC_CHECK_HEADER([linux/usbdevice_fs.h],
42                           [x_have_usbdevice_fs_h=yes],
43                           [x_have_usbdevice_fs_h=no])
44           if test x${x_have_usbdevice_fs_h} = xyes; then
45               FUSB_TECH=linux
46           else
47               FUSB_TECH=generic
48           fi
49           ;;
50         darwin*)
51           FUSB_TECH=darwin
52           ;;
53         cygwin*|win*|mingw*)
54           FUSB_TECH=win32
55           ;;
56         *bsd*)
57           AC_MSG_CHECKING([for RA/WB])
58           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <dev/usb/usb.h>]],
59                                              [[struct usb_bulk_ra_wb_opt o;
60                                                ioctl(0, USB_SET_BULK_RA, &o);]])],
61                             [FUSB_TECH=ra_wb],
62                             [FUSB_TECH=generic])
63           ;;
64         *)
65           FUSB_TECH=generic
66           ;;
67       esac
68
69       AC_MSG_CHECKING([for fast usb technique to use])
70       AC_MSG_RESULT($FUSB_TECH)
71       AC_SUBST(FUSB_TECH)
72   fi
73
74   AM_CONDITIONAL(FUSB_TECH_darwin,   test x$FUSB_TECH = xdarwin)
75   AM_CONDITIONAL(FUSB_TECH_win32,    test x$FUSB_TECH = xwin32)
76   AM_CONDITIONAL(FUSB_TECH_generic,  test x$FUSB_TECH = xgeneric)
77   AM_CONDITIONAL(FUSB_TECH_linux,    test x$FUSB_TECH = xlinux)
78   AM_CONDITIONAL(FUSB_TECH_libusb1,  test x$FUSB_TECH = xlibusb1)
79   AM_CONDITIONAL(FUSB_TECH_ra_wb,    test x$FUSB_TECH = xra_wb)
80 ])