[PATCH v5 bpf-next 03/15] samples/bpf: use --target from cross-compile

Ivan Khoronzhuk
2019-10-11T00:29:42Z

For cross compiling the target triple can be inherited from
cross-compile prefix as it's done in CLANG_FLAGS from kernel makefile.
So copy-paste this decision from kernel Makefile.

Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
samples/bpf/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 045fa43842e6..9c8c9872004d 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -195,7 +195,7 @@ BTF_PAHOLE ?= pahole
# Detect that we're cross compiling and use the cross compiler
ifdef CROSS_COMPILE
HOSTCC = $(CROSS_COMPILE)gcc
-CLANG_ARCH_ARGS = -target $(ARCH)
+CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
endif

# Don't evaluate probes and warnings if we need to run make recursively
--
2.17.1