From: Daniel Wagner <daniel.wagner@bmw-carit.de>
To: "Wangnan (F)" <wangnan0@huawei.com>, <ast@kernel.org>,
<agartrell@fb.com>, <acme@redhat.com>, <bblanco@plumgrid.com>,
<daniel@iogearbox.net>, <davem@davemloft.net>, <mingo@kernel.org>,
<jolsa@kernel.org>, <xiakaixu@huawei.com>,
<holzheu@linux.vnet.ibm.com>, <yang.shi@linaro.org>
Cc: <linux-kernel@vger.kernel.org>, <pi3orama@163.com>
Subject: Re: [PATCH 00/10] bpf samples: Uses libbpf in tools/lib to do BPF operations
Date: Fri, 18 Dec 2015 13:55:59 +0100 [thread overview]
Message-ID: <5674025F.9030203@bmw-carit.de> (raw)
In-Reply-To: <5673E813.2080400@huawei.com>
On 12/18/2015 12:03 PM, Wangnan (F) wrote:
> That's good. This is not a magic.
That is what you say! :)
> I guess something in your top makefile
> causes this feature check failure. I sent a patch on feature checker to
> you.
> It will appear as [1] soon. Could you please apply it and try again?
Sure.
> This time you will see test-*.make.output and test-*.make.makeoutput.
> test-*.make.output lists your PATH, PWD and the gcc command you use for
> feature check. test-*.make.makeoutput is the output of 'make' itself. I
> think
> from these information we can find the root cause easier.
$ ls samples/bpf/libbpf/feature.libbpf/*
samples/bpf/libbpf/feature.libbpf/test-all.make.makeoutput
samples/bpf/libbpf/feature.libbpf/test-bpf.make.makeoutput
samples/bpf/libbpf/feature.libbpf/test-libelf-getphdrnum.make.makeoutput
samples/bpf/libbpf/feature.libbpf/test-libelf.make.makeoutput
samples/bpf/libbpf/feature.libbpf/test-libelf-mmap.make.makeoutput
$ cat samples/bpf/libbpf/feature.libbpf/*
make[2]: *** tools/build/feature: No such file or directory. Stop.
make[2]: *** tools/build/feature: No such file or directory. Stop.
make[2]: *** tools/build/feature: No such file or directory. Stop.
make[2]: *** tools/build/feature: No such file or directory. Stop.
make[2]: *** tools/build/feature: No such file or directory. Stop.
$ find -name *.make.output
./tools/build/feature/test-gtk2.make.output
./tools/build/feature/test-libpython.make.output
./tools/build/feature/test-libunwind.make.output
./tools/build/feature/test-bionic.make.output
./tools/build/feature/test-libelf-mmap.make.output
./tools/build/feature/test-numa_num_possible_cpus.make.output
./tools/build/feature/test-libaudit.make.output
./tools/build/feature/test-libslang.make.output
./tools/build/feature/test-libdw-dwarf-unwind.make.output
./tools/build/feature/test-libbfd.make.output
./tools/build/feature/test-get_cpuid.make.output
./tools/build/feature/test-zlib.make.output
./tools/build/feature/test-libelf.make.output
./tools/build/feature/test-libperl.make.output
./tools/build/feature/test-bpf.make.output
./tools/build/feature/test-dwarf.make.output
./tools/build/feature/test-libnuma.make.output
./tools/build/feature/test-glibc.make.output
./tools/build/feature/test-cplus-demangle.make.output
./tools/build/feature/test-libelf-getphdrnum.make.output
./tools/build/feature/test-all.make.output
./tools/build/feature/test-lzma.make.output
$ ls -l tools/build/feature/*.make.output
-rw-rw-r-- 1 wagi wagi 419 Dec 17 14:39 tools/build/feature/test-all.make.output
-rw-rw-r-- 1 wagi wagi 104 Oct 20 09:59 tools/build/feature/test-bionic.make.output
-rw-rw-r-- 1 wagi wagi 0 Dec 17 09:01 tools/build/feature/test-bpf.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-cplus-demangle.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-dwarf.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-get_cpuid.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-glibc.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-gtk2.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libaudit.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libbfd.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libdw-dwarf-unwind.make.output
-rw-rw-r-- 1 wagi wagi 0 Dec 17 09:01 tools/build/feature/test-libelf-getphdrnum.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libelf.make.output
-rw-rw-r-- 1 wagi wagi 0 Dec 17 09:01 tools/build/feature/test-libelf-mmap.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libnuma.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libperl.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libpython.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libslang.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-libunwind.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-lzma.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-numa_num_possible_cpus.make.output
-rw-rw-r-- 1 wagi wagi 0 Oct 20 09:59 tools/build/feature/test-zlib.make.output
$ cat tools/build/feature/test-all.make.output
In file included from /usr/include/Python.h:7:0,
from test-libpython.c:1,
from test-all.c:13:
/usr/lib64/perl5/CORE/patchlevel.h:135:2: error: ‘NULL’ undeclared here (not in a function)
NULL
^
In file included from test-libpython.c:1:0,
from test-all.c:13:
/usr/include/Python.h:8:22: fatal error: pyconfig.h: No such file or directory
compilation terminated.
$ cat tools/build/feature/test-bionic.make.output
test-bionic.c:1:31: fatal error: android/api-level.h: No such file or directory
compilation terminated.
Could it be that $(srcdir) somehow is not correct? I exchanged
feature_dir := $(srctree)/tools/build/feature
to
feature_dir := /home/wagi/src/linux/tools/build/feature
and then the feature check worked in this case but still no fun:
$ make samples/bpf/
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CHK include/generated/bounds.h
CHK include/generated/timeconst.h
CHK include/generated/asm-offsets.h
CALL scripts/checksyscalls.sh
make -C /home/wagi/src/linux/tools/lib/bpf O=/home/wagi/src/linux/samples/bpf/libbpf CFLAGS= LDFLAGS= V=1 /home/wagi/src/linux/samples/bpf/libbpf/libbpf.a
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
make -f ./tools/build/Makefile.build dir=. obj=libbpf
make[3]: tools/build/Makefile.build: No such file or directory
make[3]: *** No rule to make target 'tools/build/Makefile.build'. Stop.
Makefile:155: recipe for target '/home/wagi/src/linux/samples/bpf/libbpf/libbpf-in.o' failed
make[2]: *** [/home/wagi/src/linux/samples/bpf/libbpf/libbpf-in.o] Error 2
samples/bpf/Makefile:10: recipe for target 'samples/bpf/libbpf/libbpf.a' failed
make[1]: *** [samples/bpf/libbpf/libbpf.a] Error 2
Makefile:1550: recipe for target 'samples/bpf/' failed
make: *** [samples/bpf/] Error 2
next prev parent reply other threads:[~2015-12-18 12:56 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 5:23 [PATCH 00/10] bpf samples: Uses libbpf in tools/lib to do BPF operations Wang Nan
2015-12-17 5:23 ` [PATCH 01/10] bpf samples: bpf: Fix tracex5_kern.c compiling error Wang Nan
2015-12-17 5:23 ` [PATCH 02/10] bpf tools: Define LD and RM in Makefile for 'make -R' Wang Nan
2015-12-17 5:23 ` [PATCH 03/10] bpf tools: Add const decoretor to 'license' and 'insns' for bpf_load_program() Wang Nan
2015-12-17 5:23 ` [PATCH 04/10] bpf tools: Switch to uapi style type names Wang Nan
2015-12-17 5:23 ` [PATCH 05/10] bpf tools: Support load different type of programs Wang Nan
2015-12-17 5:23 ` [PATCH 06/10] bpf tools: Support new map operations Wang Nan
2015-12-17 6:06 ` Wangnan (F)
2015-12-17 6:09 ` [PATCH v2 " Wang Nan
2015-12-17 5:23 ` [PATCH 07/10] bpf tools: Support BPF_OBJ_PIN and BPF_OBJ_GET Wang Nan
2015-12-17 5:23 ` [PATCH 08/10] bpf samples: Add utils.[ch] for using BPF Wang Nan
2015-12-17 23:11 ` Alexei Starovoitov
2015-12-18 1:47 ` Wangnan (F)
2015-12-18 6:19 ` Alexei Starovoitov
2015-12-18 7:04 ` Wangnan (F)
2015-12-18 7:10 ` Wangnan (F)
2015-12-18 10:57 ` Daniel Borkmann
2015-12-18 11:18 ` pi3orama
2015-12-18 11:24 ` Daniel Borkmann
2015-12-19 0:35 ` Alexei Starovoitov
2015-12-17 5:23 ` [PATCH 09/10] bpf samples: Uses libbpf in tools/lib to deal with BPF operations Wang Nan
2015-12-17 5:23 ` [PATCH 10/10] bpf samples: Remove old BPF helpers Wang Nan
2015-12-17 6:38 ` [PATCH 00/10] bpf samples: Uses libbpf in tools/lib to do BPF operations Daniel Wagner
2015-12-17 6:51 ` Wangnan (F)
2015-12-17 7:03 ` Daniel Wagner
2015-12-17 8:29 ` Daniel Wagner
2015-12-17 10:09 ` Wangnan (F)
2015-12-17 13:46 ` Daniel Wagner
2015-12-18 3:04 ` Wangnan (F)
2015-12-18 8:49 ` Daniel Wagner
2015-12-18 10:56 ` [PATCH] tools build: Output more data during feature detection Wang Nan
2015-12-18 11:03 ` [PATCH 00/10] bpf samples: Uses libbpf in tools/lib to do BPF operations Wangnan (F)
2015-12-18 12:55 ` Daniel Wagner [this message]
2015-12-18 14:13 ` pi3orama
[not found] ` <66E52D4A-BA1C-456A-8E6F-975E07C083EE@163.com>
2015-12-18 14:22 ` Daniel Wagner
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