netdev - [PATCH v4 bpf-next 1/4] selftests/bpf: compile progs with -D__TARGET_ARCH

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Message-Id: <20190711142930.68809-2-iii@linux.ibm.com>
Date:   Thu, 11 Jul 2019 16:29:27 +0200
From:   Ilya Leoshkevich <iii@...ux.ibm.com>
To:     bpf@...r.kernel.org, netdev@...r.kernel.org
Cc:     ys114321@...il.com, daniel@...earbox.net, sdf@...ichev.me,
        davem@...emloft.net, ast@...nel.org,
        Ilya Leoshkevich <iii@...ux.ibm.com>
Subject: [PATCH v4 bpf-next 1/4] selftests/bpf: compile progs with -D__TARGET_ARCH_$(SRCARCH)

This opens up the possibility of accessing registers in an
arch-independent way.

Signed-off-by: Ilya Leoshkevich <iii@...ux.ibm.com>
---
 tools/testing/selftests/bpf/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 2620406a53ec..ad84450e4ab8 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+include ../../../scripts/Makefile.arch
 
 LIBDIR := ../../../lib
 BPFDIR := $(LIBDIR)/bpf
@@ -138,7 +139,8 @@ CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \
 
 CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \
 	      $(CLANG_SYS_INCLUDES) \
-	      -Wno-compare-distinct-pointer-types
+	      -Wno-compare-distinct-pointer-types \
+	      -D__TARGET_ARCH_$(SRCARCH)
 
 $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline
 $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
-- 
2.21.0