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From:   Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To:     ast@kernel.org, daniel@iogearbox.net, yhs@fb.com,
        davem@davemloft.net, jakub.kicinski@netronome.com, hawk@kernel.org,
        john.fastabend@gmail.com
Cc:     linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        bpf@vger.kernel.org, clang-built-linux@googlegroups.com,
        Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Subject: [PATCH bpf-next 2/8] samples: bpf: Makefile: remove target for native build
Date:   Thu,  5 Sep 2019 00:22:06 +0300
Message-Id: <20190904212212.13052-3-ivan.khoronzhuk@linaro.org>
In-Reply-To: <20190904212212.13052-1-ivan.khoronzhuk@linaro.org>
References: <20190904212212.13052-1-ivan.khoronzhuk@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

No need to set --target for native build, at least for arm, the
default target will be used anyway. In case of arm, for at least
clang 5 - 10 it causes error like:

clang: warning: unknown platform, assuming -mfloat-abi=soft
LLVM ERROR: Unsupported calling convention
make[2]: *** [/home/root/snapshot/samples/bpf/Makefile:299:
/home/root/snapshot/samples/bpf/sockex1_kern.o] Error 1

Only set to real triple helps: --target=arm-linux-gnueabihf
or just drop the target key to use default one. Decision to just
drop it and thus default target will be used (wich is native),
looks better.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
 samples/bpf/Makefile | 2 --
 1 file changed, 2 deletions(-)

diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 61b7394b811e..a2953357927e 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -197,8 +197,6 @@ BTF_PAHOLE ?= pahole
 ifdef CROSS_COMPILE
 HOSTCC = $(CROSS_COMPILE)gcc
 CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
-else
-CLANG_ARCH_ARGS = -target $(ARCH)
 endif
 
 # Don't evaluate probes and warnings if we need to run make recursively
-- 
2.17.1