linux-kernel - [PATCH 3/3] powerpc: math-emu: remove unneeded header search paths

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Date:   Fri, 11 Jan 2019 12:22:33 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>
Subject: [PATCH 3/3] powerpc: math-emu: remove unneeded header search paths

The header search path -I. in kernel Makefiles is very suspicious;
it allows the compiler to search for headers in the top of $(srctree),
where obviously no header file exists.

-Iinclude/math-emu seems unnecessary because all files include headers
in the form of #include <math-emu/...>.

I was able to build without these header search paths.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 arch/powerpc/math-emu/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile
index 494df26..a879403 100644
--- a/arch/powerpc/math-emu/Makefile
+++ b/arch/powerpc/math-emu/Makefile
@@ -17,4 +17,4 @@ obj-$(CONFIG_SPE)		+= math_efp.o
 CFLAGS_fabs.o = -fno-builtin-fabs
 CFLAGS_math.o = -fno-builtin-fabs
 
-ccflags-y = -I. -Iinclude/math-emu -w
+ccflags-y = -w
-- 
2.7.4