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authorFangrui Song <maskray@google.com>2023-06-24 02:18:56 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2023-06-29 15:46:17 +0200
commitbbaf1ff06af49e856501024abbe161d96c1f0d66 (patch)
tree7dabb39068dd6e1a411e094c55d7d2c32581a0b1 /samples/bpf/Makefile
parentlib/test_bpf: Call page_address() on page acquired with GFP_KERNEL flag (diff)
downloadlinux-bbaf1ff06af49e856501024abbe161d96c1f0d66.tar.xz
linux-bbaf1ff06af49e856501024abbe161d96c1f0d66.zip
bpf: Replace deprecated -target with --target= for Clang
The -target option has been deprecated since clang 3.4 in 2013. Therefore, use the preferred --target=bpf form instead. This also matches how we use --target= in scripts/Makefile.clang. Signed-off-by: Fangrui Song <maskray@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Quentin Monnet <quentin@isovalent.com> Link: https://github.com/llvm/llvm-project/commit/274b6f0c87a6a1798de0a68135afc7f95def6277 Link: https://lore.kernel.org/bpf/20230624001856.1903733-1-maskray@google.com
Diffstat (limited to 'samples/bpf/Makefile')
-rw-r--r--samples/bpf/Makefile6
1 files changed, 3 insertions, 3 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 615f24ebc49c..595b98d825ce 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -248,7 +248,7 @@ BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
- $(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
+ $(CLANG) --target=bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
$(LLVM_READELF) -S ./llvm_btf_verify.o | grep BTF; \
/bin/rm -f ./llvm_btf_verify.o)
@@ -370,7 +370,7 @@ endif
clean-files += vmlinux.h
# Get Clang's default includes on this system, as opposed to those seen by
-# '-target bpf'. This fixes "missing" files on some architectures/distros,
+# '--target=bpf'. This fixes "missing" files on some architectures/distros,
# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
#
# Use '-idirafter': Don't interfere with include mechanics except where the
@@ -392,7 +392,7 @@ $(obj)/xdp_router_ipv4.bpf.o: $(obj)/xdp_sample.bpf.o
$(obj)/%.bpf.o: $(src)/%.bpf.c $(obj)/vmlinux.h $(src)/xdp_sample.bpf.h $(src)/xdp_sample_shared.h
@echo " CLANG-BPF " $@
- $(Q)$(CLANG) -g -O2 -target bpf -D__TARGET_ARCH_$(SRCARCH) \
+ $(Q)$(CLANG) -g -O2 --target=bpf -D__TARGET_ARCH_$(SRCARCH) \
-Wno-compare-distinct-pointer-types -I$(srctree)/include \
-I$(srctree)/samples/bpf -I$(srctree)/tools/include \
-I$(LIBBPF_INCLUDE) $(CLANG_SYS_INCLUDES) \