2019-08-30 00:52:33

by Ivan Khoronzhuk

[permalink] [raw]
Subject: [PATCH RFC bpf-next 01/10] samples: bpf: Makefile: use --target from cross-compile

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.

Signed-off-by: Ivan Khoronzhuk <[email protected]>
---
samples/bpf/Makefile | 2 ++
1 file changed, 2 insertions(+)

diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 1d9be26b4edd..61b7394b811e 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -196,6 +196,8 @@ BTF_PAHOLE ?= pahole
# Detect that we're cross compiling and use the cross compiler
ifdef CROSS_COMPILE
HOSTCC = $(CROSS_COMPILE)gcc
+CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
+else
CLANG_ARCH_ARGS = -target $(ARCH)
endif

--
2.17.1