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From: Song Liu <songliubraving@fb.com>
To: <netdev@vger.kernel.org>, <bpf@vger.kernel.org>
Cc: <quentin@isovalent.com>, <kernel-team@fb.com>, <ast@kernel.org>,
	<daniel@iogearbox.net>, <arnaldo.melo@gmail.com>,
	<jolsa@kernel.org>, Song Liu <songliubraving@fb.com>
Subject: [PATCH bpf-next 2/2] bpftool: skeleton should depend on libbpf
Date: Tue, 10 Mar 2020 11:36:23 -0700	[thread overview]
Message-ID: <20200310183624.441788-3-songliubraving@fb.com> (raw)
In-Reply-To: <20200310183624.441788-1-songliubraving@fb.com>

Add the dependency to libbpf, to fix build errors like:

  In file included from skeleton/profiler.bpf.c:5:
  .../bpf_helpers.h:5:10: fatal error: 'bpf_helper_defs.h' file not found
  #include "bpf_helper_defs.h"
  1 error generated.
  make: *** [skeleton/profiler.bpf.o] Error 1
  make: *** Waiting for unfinished jobs....

Fixes: 47c09d6a9f67 ("bpftool: Introduce "prog profile" command")
Signed-off-by: Song Liu <songliubraving@fb.com>
 tools/bpf/bpftool/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 05a37f0f76a9..0389355f8bdc 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -128,7 +128,7 @@ $(OUTPUT)_prog.o: prog.c
 $(OUTPUT)_bpftool: $(_OBJS) $(LIBBPF)
 	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(_OBJS) $(LIBS)
-skeleton/profiler.bpf.o: skeleton/profiler.bpf.c
+skeleton/profiler.bpf.o: skeleton/profiler.bpf.c $(LIBBPF)
 	$(QUIET_CLANG)$(CLANG) -I$(srctree)/tools/lib -g -O2 -target bpf -c $< -o $@
 profiler.skel.h: $(OUTPUT)_bpftool skeleton/profiler.bpf.o

  parent reply	other threads:[~2020-03-10 18:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-10 18:36 [PATCH bpf-next 0/2] Fixes for bpftool-prog-profile Song Liu
2020-03-10 18:36 ` [PATCH bpf-next 1/2] bpftool: only build bpftool-prog-profile with clang >= v11 Song Liu
2020-03-10 22:44   ` Quentin Monnet
2020-03-10 22:54     ` Alexei Starovoitov
2020-03-10 18:36 ` Song Liu [this message]
2020-03-10 22:00 ` [PATCH bpf-next 0/2] Fixes for bpftool-prog-profile John Fastabend
2020-03-11  4:33 ` Andrii Nakryiko

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