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Diffstat (limited to 'gsm-receiver/config/usrp_libusb.m4')
-rw-r--r--gsm-receiver/config/usrp_libusb.m481
1 files changed, 43 insertions, 38 deletions
diff --git a/gsm-receiver/config/usrp_libusb.m4 b/gsm-receiver/config/usrp_libusb.m4
index 9fe4753..cb3130c 100644
--- a/gsm-receiver/config/usrp_libusb.m4
+++ b/gsm-receiver/config/usrp_libusb.m4
@@ -1,43 +1,48 @@
-# 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 3, 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_REQUIRE([AC_CANONICAL_HOST])
- AC_LANG_PUSH(C)
+dnl Copyright 2003,2008 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.
+
+AC_DEFUN([USRP_LIBUSB], [
+ libusbok=yes
+ PKG_CHECK_MODULES(USB, libusb, [], [
+ AC_LANG_PUSH(C)
+
+ 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="$LIBS -lIOKit"
+ ;;
+ *) ;;
+ esac
- AC_CHECK_HEADERS([usb.h],
- [],
- [ AC_MSG_ERROR([USRP requires libusb. usb.h not found, stop. See http://libusb.sf.net]) ]
- )
+ AC_SEARCH_LIBS(usb_bulk_write, [usb], [USB_LIBS="$LIBS"], [libusbok=no; AC_MSG_RESULT([USRP requires libusb. usb_bulk_write not found. See http://libusb.sf.net])])
- save_LIBS="$LIBS"
- case "$host_os" in
- darwin*) LIBS="$LIBS -lIOKit" ;;
- *) ;;
- esac
- AC_SEARCH_LIBS(usb_bulk_write, [usb],
- [ USB_LIBS="$LIBS" ],
- [ AC_MSG_ERROR([USRP requires libusb. usb_bulk_write not found, stop. See http://libusb.sf.net]) ]
- )
LIBS="$save_LIBS"
- AC_LANG_POP
- AC_SUBST(USB_LIBS)
+ AC_LANG_POP
+ ])
+
+ if test x$libusbok = xyes; then
+ AC_SUBST(USB_LIBS)
+ ifelse([$1], , :, [$1])
+ else
+ ifelse([$2], , :, [$2])
+ fi
])
personal git repositories of Harald Welte. Your mileage may vary