linux-kernel - [PATCH] kbuild: use -fmacro-prefix-map for .S sources compilation

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Message-Id: <20201029112112.21285-1-dzagorui@cisco.com>
Date:   Thu, 29 Oct 2020 04:21:12 -0700
From:   Denys Zagorui <dzagorui@...co.com>
To:     masahiroy@...nel.org, michal.lkml@...kovi.net,
        linux-kbuild@...r.kernel.org
Cc:     dzagorui@...co.com, linux-kernel@...r.kernel.org
Subject: [PATCH] kbuild: use -fmacro-prefix-map for .S sources compilation

Follow-up to a73619a845d5 ("kbuild: use -fmacro-prefix-map to make
__FILE__ a relative path") commit. Assembler sources also use __FILE__
macro so this flag should be also apllied to that sources.

Signed-off-by: Denys Zagorui <dzagorui@...co.com>
---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index ee2284a5cad2..26c4294f6e25 100644
--- a/Makefile
+++ b/Makefile
@@ -947,6 +947,7 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=designated-init)
 
 # change __FILE__ to the relative path from the srctree
 KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+KBUILD_AFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 
 # ensure -fcf-protection is disabled when using retpoline as it is
 # incompatible with -mindirect-branch=thunk-extern
-- 
2.19.0.dirty