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[RFC,bpf-next,02/10] samples: bpf: Makefile: remove target for native build

Message ID 20190830005037.24004-3-ivan.khoronzhuk@linaro.org
State New
Headers show
Series improve/fix cross-compilation for bpf samples | expand

Commit Message

Ivan Khoronzhuk Aug. 30, 2019, 12:50 a.m. UTC 
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

To make the platform to be known, 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, looks better.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>

---
 samples/bpf/Makefile | 2 --
 1 file changed, 2 deletions(-)

-- 
2.17.1
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Patch

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