linux-kernel - [PATCH 3.12 006/100] um: Fix out-of-tree build

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Message-Id: <02fe206a520b26fe5d743dd083620ee6859ec057.1471589700.git.jslaby@suse.cz>
Date:   Fri, 19 Aug 2016 09:08:28 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 006/100] um: Fix out-of-tree build

From: Richard Weinberger <richard@....at>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 0b5aedfe0e6654ec54f35109e1929a1cf7fc4cdd upstream.

Commit 30b11ee9a (um: Remove copy&paste code from init.h)
uncovered an issue wrt. out-of-tree builds.
For out-of-tree builds, we must not rely on relative paths.
Before 30b11ee9a it worked by chance as no host code included
generated header files.

Acked-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Richard Weinberger <richard@....at>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/um/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 1b3ad7d2430a..911b630d3268 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -60,8 +60,8 @@ KBUILD_AFLAGS += $(ARCH_INCLUDE)
 
 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
 		$(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
-		-D_FILE_OFFSET_BITS=64 -idirafter include \
-		-D__KERNEL__ -D__UM_HOST__
+		-D_FILE_OFFSET_BITS=64 -idirafter $(srctree)/include \
+		-idirafter $(obj)/include -D__KERNEL__ -D__UM_HOST__
 
 #This will adjust *FLAGS accordingly to the platform.
 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
-- 
2.9.3