--- /tmp/acinclude.m4	2007-07-19 15:11:49.000000000 +0200
+++ openobex-1.3/acinclude.m4	2007-07-19 15:13:06.925215000 +0200
@@ -128,7 +128,7 @@
 
 	if (test "${usb_enable}" = "yes" && test "${usb_found}" = "yes"); then
 		AC_DEFINE(HAVE_USB, 1, [Define if system supports USB and it's enabled])
-		AC_CHECK_FILE(${prefix}/lib/pkgconfig/libusb.pc, REQUIRES="$REQUIRES libusb")
+		REQUIRES="libusb"
 	fi
 
 	AM_CONDITIONAL(APPS, test "${apps_enable}" = "yes")