From b2625bef58b66a012df2f759a1fb7ba50d139f7d Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Thu, 23 Jan 2014 10:29:12 +0100 Subject: [PATCH] unmodified_drivers: make usbfront build conditional Commit 0dcfb88fb8 ("unmodified_drivers: enable build of usbfront driver") results in the PV drivers to no longer build against older (pre-2.6.35) Linux versions. That's because usbfront.h includes headers from drivers/usb/core/, which is generally unavailable when building out-of-tree modules. Signed-off-by: Jan Beulich --- unmodified_drivers/linux-2.6/usbfront/Kbuild | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/unmodified_drivers/linux-2.6/usbfront/Kbuild b/unmodified_drivers/linux-2.6/usbfront/Kbuild index f44deaaec5..321a35a122 100644 --- a/unmodified_drivers/linux-2.6/usbfront/Kbuild +++ b/unmodified_drivers/linux-2.6/usbfront/Kbuild @@ -1,5 +1,7 @@ include $(M)/overrides.mk -obj-m += xen-usb.o +obj-m += $(if $(shell grep '^\#include "\.\./\.\./' $(obj)/usbfront.h), \ + $(warning usbfront cannot be built), \ + xen-usb.o) xen-usb-objs := usbfront-hcd.o xenbus.o -- 2.30.2