Merge branch 'dfsg-orig'

[debian/gnuradio] / gr-howto-write-a-block / config / usrp_fusb_tech.m4

diff --git a/gr-howto-write-a-block/config/usrp_fusb_tech.m4 b/gr-howto-write-a-block/config/usrp_fusb_tech.m4
new file mode 100644 (file)
index 0000000..b99cf24
--- /dev/null
+++ b/gr-howto-write-a-block/config/usrp_fusb_tech.m4
@@ -0,0 +1,87 @@
+dnl
+dnl Copyright 2003,2008,2009 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+dnl 
+
+# $1 is $enable_usrp:
+#   yes : do these tests
+#   no  : do not do these tests
+#   ""  : do these tests
+
+AC_DEFUN([USRP_SET_FUSB_TECHNIQUE],[
+  req_libusb1=no
+  USE_LIBUSB1=0
+  AC_ARG_WITH([fusb-tech],
+              AC_HELP_STRING([--with-fusb-tech=OS],
+                            [Set fast USB technique (default=auto)]),
+             [cf_with_fusb_tech="$withval"],
+             [cf_with_fusb_tech="$host_os"])
+  if test [x]$1 != xno; then
+      case "$cf_with_fusb_tech" in
+        libusb1*)
+          FUSB_TECH=libusb1
+          req_libusb1=yes
+         USE_LIBUSB1=1
+          ;;
+        linux*)
+          AC_CHECK_HEADER([linux/usbdevice_fs.h],
+                         [x_have_usbdevice_fs_h=yes],
+                          [x_have_usbdevice_fs_h=no])
+          if test x${x_have_usbdevice_fs_h} = xyes; then
+              FUSB_TECH=linux
+          else
+              FUSB_TECH=generic
+          fi
+          ;;
+        darwin*)
+          FUSB_TECH=darwin
+          ;;
+        cygwin*|win*|mingw*)
+          FUSB_TECH=win32
+          ;;
+        *bsd*)
+          AC_MSG_CHECKING([for RA/WB])
+          AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <dev/usb/usb.h>]],
+                                            [[struct usb_bulk_ra_wb_opt o;
+                                              ioctl(0, USB_SET_BULK_RA, &o);]])],
+                           [FUSB_TECH=ra_wb],
+                           [FUSB_TECH=generic])
+          ;;
+        *)
+          FUSB_TECH=generic
+          ;;
+      esac
+
+      AC_MSG_CHECKING([for fast usb technique to use])
+      AC_MSG_RESULT($FUSB_TECH)
+      AC_SUBST(FUSB_TECH)
+  fi
+
+  AM_CONDITIONAL(FUSB_TECH_darwin,   test x$FUSB_TECH = xdarwin)
+  AM_CONDITIONAL(FUSB_TECH_win32,    test x$FUSB_TECH = xwin32)
+  AM_CONDITIONAL(FUSB_TECH_generic,  test x$FUSB_TECH = xgeneric)
+  AM_CONDITIONAL(FUSB_TECH_linux,    test x$FUSB_TECH = xlinux)
+  AM_CONDITIONAL(FUSB_TECH_libusb1,  test x$FUSB_TECH = xlibusb1)
+  AM_CONDITIONAL(FUSB_TECH_ra_wb,    test x$FUSB_TECH = xra_wb)
+
+  AC_SUBST(USE_LIBUSB1)
+  AC_CONFIG_FILES([\
+       usrp/host/include/usrp/libusb_types.h \
+  ])
+])