Re: [PATCH] KVM: make: Fix out-of-source module builds

From: Paolo Bonzini
Date: Fri Mar 26 2021 - 13:36:56 EST


On 24/03/21 13:43, Siddharth Chandrasekaran wrote:
Building kvm module out-of-source with,

make -C $SRC O=$BIN M=arch/x86/kvm

fails to find "irq.h" as the include dir passed to cflags-y does not
prefix the source dir. Fix this by prefixing $(srctree) to the include
dir path.

Signed-off-by: Siddharth Chandrasekaran <sidcha@xxxxxxxxx>
---
arch/x86/kvm/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 1b4766fe1de2..eafc4d601f25 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
-ccflags-y += -Iarch/x86/kvm
+ccflags-y += -I $(srctree)/arch/x86/kvm
ccflags-$(CONFIG_KVM_WERROR) += -Werror
ifeq ($(CONFIG_FRAME_POINTER),y)


Queued, thanks.

Paolo