From: Don Ward <don2387ward@sprynet.com>
Date: Mon, 12 Oct 2009 21:58:32 +0000 (-0400)
Subject: usrp: Applied patch from Don Ward for Cygwin libusb
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=77a3e7e8f2940b8a86d80518ebd7d39365f2c5be;p=debian%2Fgnuradio

usrp: Applied patch from Don Ward for Cygwin libusb

Moved the case statement after the call to AC_CHECK_LIB
Initialized LIBS="" before calling AC_CHECK_LIB
---

diff --git a/config/usrp_libusb.m4 b/config/usrp_libusb.m4
old mode 100644
new mode 100755
index 4347bfba..6ed7f5e9
--- a/config/usrp_libusb.m4
+++ b/config/usrp_libusb.m4
@@ -90,17 +90,20 @@ AC_DEFUN([USRP_LIBUSB], [
 
       AC_LANG_PUSH(C)
       save_LIBS="$LIBS"
+      LIBS=""
+      AC_CHECK_LIB([$usb_lib_name], [$usb_lib_func], [], [
+        libusbok=no
+        AC_MSG_RESULT([USRP requires library '$usb_lib_name' with function '$usb_lib_func', which was either not found or was not usable. See http://www.libusb.org])
+      ])
       case "$host_os" in
         darwin*)
           USB_LIBS="$USB_LIBS -lIOKit"
           ;;
+        cygwin* | mingw*)
+          USB_LIBS="$LIBS"
+          ;;
         *) ;;
       esac
-      LIBS="$LIBS $USB_LIBS"
-      AC_CHECK_LIB([$usb_lib_name], [$usb_lib_func], [], [
-        libusbok=no
-        AC_MSG_RESULT([USRP requires library '$usb_lib_name' with function '$usb_lib_func', which was either not found or was not usable. See http://www.libusb.org])
-      ])
       LIBS="$save_LIBS"
       AC_LANG_POP(C)
     fi