linux-kernel - [PATCH bpf-next] selftests/bpf: Include build flavors for install target

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Date:   Mon, 28 Aug 2023 20:33:29 +0200
From:   Björn Töpel <bjorn@...nel.org>
To:     Andrii Nakryiko <andrii@...nel.org>,
        Mykola Lysenko <mykolal@...com>, bpf@...r.kernel.org
Cc:     Björn Töpel <bjorn@...osinc.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next] selftests/bpf: Include build flavors for install target

From: Björn Töpel <bjorn@...osinc.com>

When using the "install" or targets depending on install,
e.g. "gen_tar", the BPF machine flavors weren't included.

A command like:
  | make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- O=/workspace/kbuild \
  |    HOSTCC=gcc FORMAT= SKIP_TARGETS="arm64 ia64 powerpc sparc64 x86 sgx" \
  |    -C tools/testing/selftests gen_tar
would not include bpf/no_alu32, bpf/cpuv4, or bpf/bpf-gcc.

Include the BPF machine flavors for "install" make target.

Signed-off-by: Björn Töpel <bjorn@...osinc.com>
---
 tools/testing/selftests/bpf/Makefile | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index edef49fcd23e..7c77a21c3371 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -598,12 +598,14 @@ $(eval $(call DEFINE_TEST_RUNNER,test_progs))
 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
+INSTDIRS := no_alu32
 
 # Define test_progs-cpuv4 test runner.
 ifneq ($(CLANG_CPUV4),)
 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUILD_RULE
 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cpuv4))
+INSTDIRS += cpuv4
 endif
 
 # Define test_progs BPF-GCC-flavored test runner.
@@ -611,6 +613,7 @@ ifneq ($(BPF_GCC),)
 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc,)
 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
+INSTDIRS += bpf_gcc
 endif
 
 # Define test_maps test runner.
@@ -714,3 +717,12 @@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR)	\
 
 # Delete partially updated (corrupted) files on error
 .DELETE_ON_ERROR:
+
+DEFAULT_INSTALL_RULE := $(INSTALL_RULE)
+override define INSTALL_RULE
+	$(DEFAULT_INSTALL_RULE)
+	@for DIR in $(INSTDIRS); do		  \
+		mkdir -p $(INSTALL_PATH)/$$DIR;   \
+		rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\
+	done
+endef

base-commit: 8be6f88b9d3fe1f6724daec4a70d6023742c9df7
-- 
2.39.2