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[178.94.200.168]) by smtp.gmail.com with ESMTPSA id h3sm730871ljf.12.2019.10.09.13.41.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Oct 2019 13:41:44 -0700 (PDT) From: Ivan Khoronzhuk To: ast@kernel.org, daniel@iogearbox.net, yhs@fb.com, davem@davemloft.net, jakub.kicinski@netronome.com, hawk@kernel.org, john.fastabend@gmail.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, ilias.apalodimas@linaro.org, sergei.shtylyov@cogentembedded.com, Ivan Khoronzhuk Subject: [PATCH v4 bpf-next 04/15] samples/bpf: use own EXTRA_CFLAGS for clang commands Date: Wed, 9 Oct 2019 23:41:23 +0300 Message-Id: <20191009204134.26960-5-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191009204134.26960-1-ivan.khoronzhuk@linaro.org> References: <20191009204134.26960-1-ivan.khoronzhuk@linaro.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It can overlap with CFLAGS used for libraries built with gcc if not now then in next patches. Correct it here for simplicity. Acked-by: Andrii Nakryiko Signed-off-by: Ivan Khoronzhuk --- samples/bpf/Makefile | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 9c8c9872004d..cf882e43648a 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -218,10 +218,10 @@ BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \ /bin/rm -f ./llvm_btf_verify.o) ifneq ($(BTF_LLVM_PROBE),) - EXTRA_CFLAGS += -g + BPF_EXTRA_CFLAGS += -g else ifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),) - EXTRA_CFLAGS += -g + BPF_EXTRA_CFLAGS += -g LLC_FLAGS += -mattr=dwarfris DWARF2BTF = y endif @@ -280,8 +280,9 @@ $(obj)/hbm_edt_kern.o: $(src)/hbm.h $(src)/hbm_kern.h # useless for BPF samples. $(obj)/%.o: $(src)/%.c @echo " CLANG-bpf " $@ - $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \ - -I$(srctree)/tools/testing/selftests/bpf/ -I$(srctree)/tools/lib/bpf/ \ + $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(BPF_EXTRA_CFLAGS) \ + -I$(obj) -I$(srctree)/tools/testing/selftests/bpf/ \ + -I$(srctree)/tools/lib/bpf/ \ -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \ -D__TARGET_ARCH_$(SRCARCH) -Wno-compare-distinct-pointer-types \ -Wno-gnu-variable-sized-type-not-at-end \ -- 2.17.1