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Date: Fri, 8 Apr 2022 17:30:39 +0200
From: Sedat Dilek <sedat.dilek@...il.com>
To: Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc: Nathan Chancellor <nathan@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Fangrui Song <maskray@...gle.com>,
Florian Fainelli <f.fainelli@...il.com>,
Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
John Keeping <john@...anate.com>, Leo Yan <leo.yan@...aro.org>,
Michael Petlan <mpetlan@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Build perf with clang, failure with libperf
On Fri, Apr 8, 2022 at 4:49 PM Arnaldo Carvalho de Melo
<arnaldo.melo@...il.com> wrote:
>
> Em Tue, Apr 05, 2022 at 06:44:46PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Tue, Apr 05, 2022 at 05:00:14PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Tue, Apr 05, 2022 at 05:46:00PM +0200, Sedat Dilek escreveu:
> > > > So, we should include scripts/Makefile.clang or enhance
> > > > tools/scripts/Makefile.include where LLVM/Clang stuff is defined (and
> > > > can be overridden).
> > >
> > > > Jiri pointed out he needed two options (when I recall correctly):
> > > >
> > > > [1] -Wno-unused-command-line-argument
> >
> > I didn't see this one so far, but this one, and for the python case,
> > appears on clang 13 on:
> >
> > 22 45.02 archlinux:base : FAIL clang version 13.0.1
> >
> > CC /tmp/build/perf/arch/x86/util/pmu.o
> > clang-13: error: optimization flag '-ffat-lto-objects' is not supported [-Werror,-Wignored-optimization-argument]
> > error: command '/usr/sbin/clang' failed with exit code 1
> > MKDIR /tmp/build/perf/ui/stdio/
> > cp: cannot stat '/tmp/build/perf/python_ext_build/lib/perf*.so': No such file or directory
> > CC /tmp/build/perf/arch/x86/util/kvm-stat.o
> > make[2]: *** [Makefile.perf:639: /tmp/build/perf/python/perf.so] Error 1
> > make[2]: *** Waiting for unfinished jobs....
>
> So this one is more involved, see the two patches below, the first fixes
> the clang command option probing mechanism used and the second filters
> out -ffat-lto-objects.
>
> Its all in my tmp.perf/urgent branch at
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git.
>
> The full test suite is still running, but so far the failures are
> unrelated to the problems in this thread:
>
> [perfbuilder@...e ~]$ export BUILD_TARBALL=http://192.168.100.2/perf/perf-5.18.0-rc1.tar.xz
> [perfbuilder@...e ~]$ time dm
> 1 115.87 almalinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-4) , clang version 12.0.1 (Red Hat 12.0.1-4.module_el8.5.0+1025+93159d6c)
> 2 74.26 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0 , clang version 3.8.0 (tags/RELEASE_380/final)
> 3 67.82 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822 , clang version 3.8.1 (tags/RELEASE_381/final)
> 4 71.32 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0 , clang version 4.0.0 (tags/RELEASE_400/final)
> 5 77.05 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0 , Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
> 6 76.76 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0 , Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
> 7 79.36 alpine:3.9 : Ok gcc (Alpine 8.3.0) 8.3.0 , Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
> 8 111.26 alpine:3.10 : Ok gcc (Alpine 8.3.0) 8.3.0 , Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
> 9 118.37 alpine:3.11 : Ok gcc (Alpine 9.3.0) 9.3.0 , Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
> 10 124.39 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0 , Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
> 11 135.45 alpine:3.13 : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1
> 12 129.24 alpine:3.14 : Ok gcc (Alpine 10.3.1_git20210424) 10.3.1 20210424 , Alpine clang version 11.1.0
> 13 124.49 alpine:3.15 : Ok gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1
> 14 115.27 alpine:edge : Ok gcc (Alpine 11.2.1_git20220219) 11.2.1 20220219 , Alpine clang version 13.0.1
> 15 62.59 alt:p8 : Ok x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1) , clang version 3.8.0 (tags/RELEASE_380/final)
> 16 90.90 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1) , clang version 10.0.0
> 17 89.19 alt:p10 : Ok x86_64-alt-linux-gcc (GCC) 10.3.1 20210703 (ALT Sisyphus 10.3.1-alt2) , clang version 11.0.1
> 18 90.50 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 11.2.1 20211202 (ALT Sisyphus 11.2.1-alt2) , ALT Linux Team clang version 12.0.1
> 19 64.00 amazonlinux:1 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2) , clang version 3.6.2 (tags/RELEASE_362/final)
> 20 100.13 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-13) , clang version 11.1.0 (Amazon Linux 2 11.1.0-1.amzn2.0.2)
> 21 116.67 amazonlinux:devel : Ok gcc (GCC) 11.2.1 20210728 (Red Hat 11.2.1-2) , clang version 12.0.1 (Fedora 12.0.1-1.amzn2022)
> 22 105.61 archlinux:base : Ok gcc (GCC) 11.2.0 , clang version 13.0.1
> 23 98.90 centos:8 : Ok gcc (GCC) 8.4.1 20200928 (Red Hat 8.4.1-1) , clang version 11.0.1 (Red Hat 11.0.1-1.module_el8.4.0+966+2995ef20)
> 24 112.45 centos:stream : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10) , clang version 13.0.0 (Red Hat 13.0.0-3.module_el8.6.0+1074+380cef3f)
> 25 51.53 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 11.2.1 20220330 releases/gcc-11.2.0-949-g511e8b6122 , clang version 13.0.0
> 26 79.15 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 , clang version 3.8.1-24 (tags/RELEASE_381/final)
> 27 84.48 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0 , Debian clang version 11.0.1-2~deb10u1
> 28 98.81 debian:11 : Ok gcc (Debian 10.2.1-6) 10.2.1 20210110 , Debian clang version 11.0.1-2
> 29 115.79 debian:experimental : Ok gcc (Debian 11.2.0-19) 11.2.0 , Debian clang version 13.0.1-3+b2
> 30 24.66 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0
> 31 20.25 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0
> 32 22.06 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 10.2.1-6) 10.2.1 20210110
> 33 22.76 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 11.2.0-18) 11.2.0
> 34 22.55 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) , clang version 3.5.0 (tags/RELEASE_350/final)
> 35 68.41 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) , clang version 3.7.0 (tags/RELEASE_370/final)
> 36 80.65 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1) , clang version 3.8.1 (tags/RELEASE_381/final)
> 37 18.13 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
> 38 81.54 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1) , clang version 3.9.1 (tags/RELEASE_391/final)
> 39 95.09 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2) , clang version 4.0.1 (tags/RELEASE_401/final)
> 40 97.18 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6) , clang version 5.0.2 (tags/RELEASE_502/final)
> 41 109.33 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2) , clang version 6.0.1 (tags/RELEASE_601/final)
> 42 115.85 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2) , clang version 7.0.1 (Fedora 7.0.1-6.fc29)
> 43 118.65 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2) , clang version 8.0.0 (Fedora 8.0.0-3.fc30)
> 44 111.13 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2) , clang version 9.0.1 (Fedora 9.0.1-4.fc31)
> 45 105.95 fedora:32 : Ok gcc (GCC) 10.3.1 20210422 (Red Hat 10.3.1-1) , clang version 10.0.1 (Fedora 10.0.1-3.fc32)
> 46 104.95 fedora:33 : Ok gcc (GCC) 10.3.1 20210422 (Red Hat 10.3.1-1) , clang version 11.0.0 (Fedora 11.0.0-3.fc33)
> 47 112.06 fedora:34 : Ok gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9) , clang version 12.0.1 (Fedora 12.0.1-1.fc34)
> 48 20.44 fedora:34-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
> 49 18.44 fedora:34-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
> 50 113.69 fedora:35 : Ok gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9) , clang version 13.0.0 (Fedora 13.0.0-3.fc35)
> 51 30.08 fedora:36 : FAIL gcc version 12.0.1 20220308 (Red Hat 12.0.1-0) (GCC)
> + make PYTHON=python3 ARCH= CROSS_COMPILE= EXTRA_CFLAGS= LIBTRACEEVENT_DYNAMIC=1 -C tools/perf O=/tmp/build/perf
> make: Entering directory '/git/perf-5.18.0-rc1/tools/perf'
> BUILD: Doing 'make -j32' parallel build
> Makefile.config:728: No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev
> Makefile.config:1011: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
> Makefile.config:1118: *** Error: No libtraceevent devel library found, please install libtraceevent-devel. Stop.
> make[1]: *** [Makefile.perf:240: sub-make] Error 2
>
> 52 126.52 fedora:rawhide : Ok gcc (GCC) 12.0.1 20220308 (Red Hat 12.0.1-0) , clang version 14.0.0 (Fedora 14.0.0-1.fc37)
> 53 96.02 gentoo-stage3:latest : Ok gcc (Gentoo 11.2.0 p1) 11.2.0 , clang version 13.0.0
> 54 82.86 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0 , clang version 3.9.1 (tags/RELEASE_391/final)
> 55 43.11 mageia:7 : FAIL clang version 8.0.0 (Mageia 8.0.0-1.mga7)
> yychar = yylex (&yylval, &yylloc, scanner);
> ^
> #define yylex parse_events_lex
> ^
> 1 error generated.
> make[3]: *** [/git/perf-5.18.0-rc1/tools/build/Makefile.build:139: util] Error 2
> 56 107.45 manjaro:base : Ok gcc (GCC) 11.1.0 , clang version 13.0.0
> 57 6.58 openmandriva:4.2 : FAIL gcc version 11.2.0 20210728 (OpenMandriva) (GCC)
> In file included from builtin-bench.c:22:
> bench/bench.h:66:19: error: conflicting types for 'pthread_attr_setaffinity_np'; have 'int(pthread_attr_t *, size_t, cpu_set_t *)' {aka 'int(pthread_attr_t *, long unsigned int, cpu_set_t *)'}
> 66 | static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from bench/bench.h:64,
> from builtin-bench.c:22:
> /usr/include/pthread.h:394:12: note: previous declaration of 'pthread_attr_setaffinity_np' with type 'int(pthread_attr_t *, size_t, const cpu_set_t *)' {aka 'int(pthread_attr_t *, long unsigned int, const cpu_set_t *)'}
> 394 | extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> 58 6.48 openmandriva:cooker : FAIL gcc version 11.2.0 20210728 (OpenMandriva) (GCC)
> In file included from builtin-bench.c:22:
> bench/bench.h:66:19: error: conflicting types for 'pthread_attr_setaffinity_np'; have 'int(pthread_attr_t *, size_t, cpu_set_t *)' {aka 'int(pthread_attr_t *, long unsigned int, cpu_set_t *)'}
> 66 | static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from bench/bench.h:64,
> from builtin-bench.c:22:
> /usr/include/pthread.h:394:12: note: previous declaration of 'pthread_attr_setaffinity_np' with type 'int(pthread_attr_t *, size_t, const cpu_set_t *)' {aka 'int(pthread_attr_t *, long unsigned int, const cpu_set_t *)'}
> 394 | extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> ld: warning: -r and --gc-sections may not be used together, disabling --gc-sections
> ld: warning: -r and --icf may not be used together, disabling --icf
> 59 118.04 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407] , clang version 5.0.1 (tags/RELEASE_501/final 312548)
> 60 127.98 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0 , clang version 7.0.1 (tags/RELEASE_701/final 349238)
> 61 122.86 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0 , clang version 9.0.1
> 62 133.70 opensuse:15.3 : Ok gcc (SUSE Linux) 7.5.0 , clang version 11.0.1
> 63 133.30 opensuse:15.4 : Ok gcc (SUSE Linux) 7.5.0 , clang version 11.0.1
> 64 158.92 opensuse:tumbleweed : Ok gcc (SUSE Linux) 11.2.1 20211124 [revision 7510c23c1ec53aa4a62705f0384079661342ff7b] , clang version 13.0.0
> 65 114.77 oraclelinux:8 : Ok gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-4.0.1) , clang version 12.0.1 (Red Hat 12.0.1-4.0.1.module+el8.5.0+20428+2b4ecd47)
> 66: rockylinux:8
>
> - Arnaldo
>
> From 73fb827d72906bd2d78c6ca091b0c74f90183a95 Mon Sep 17 00:00:00 2001
> From: Arnaldo Carvalho de Melo <acme@...hat.com>
> Date: Fri, 8 Apr 2022 10:08:07 -0300
> Subject: [PATCH 1/2] perf python: Fix probing for some clang command line
> options
>
> The clang compiler complains about some options even without a source
> file being available, while others require one, so use the simple
> tools/build/feature/test-hello.c file.
>
> Then check for the "is not supported" string in its output, in addition
> to the "unknown argument" already being looked for.
>
> This was noticed when building with clang-13 where -ffat-lto-objects
> isn't supported and since we were looking just for "unknown argument"
> and not providing a source code to clang, was mistakenly assumed as
> being available and not being filtered to set of command line options
> provided to clang, leading to a build failure.
>
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Fangrui Song <maskray@...gle.com>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Ian Rogers <irogers@...gle.com>
> Cc: Jiri Olsa <jolsa@...nel.org>
> Cc: John Keeping <john@...anate.com>
> Cc: Leo Yan <leo.yan@...aro.org>
> Cc: Michael Petlan <mpetlan@...hat.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Nathan Chancellor <nathan@...nel.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Sedat Dilek <sedat.dilek@...il.com>
> Link: http://lore.kernel.org/lkml/
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---
> tools/perf/util/setup.py | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
> index 483f05004e682081..6156bb87ee3e34cf 100644
> --- a/tools/perf/util/setup.py
> +++ b/tools/perf/util/setup.py
> @@ -1,12 +1,14 @@
> -from os import getenv
> +from os import getenv, path
> from subprocess import Popen, PIPE
> from re import sub
>
> cc = getenv("CC")
> cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
> +src_feature_tests = getenv('srctree') + '/tools/build/feature'
>
> def clang_has_option(option):
> - return [o for o in Popen([cc, option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
> + cc_output = Popen([cc, option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
> + return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
>
> if cc_is_clang:
> from distutils.sysconfig import get_config_vars
> --
> 2.35.1
>
> From e807abf709ee26af99588bd13e725fb45011b167 Mon Sep 17 00:00:00 2001
> From: Arnaldo Carvalho de Melo <acme@...hat.com>
> Date: Thu, 7 Apr 2022 11:04:20 -0300
> Subject: [PATCH 2/2] perf build: Don't use -ffat-lto-objects in the python
> feature test when building with clang-13
>
> Using -ffat-lto-objects in the python feature test when building with
> clang-13 results in:
>
> clang-13: error: optimization flag '-ffat-lto-objects' is not supported [-Werror,-Wignored-optimization-argument]
> error: command '/usr/sbin/clang' failed with exit code 1
> cp: cannot stat '/tmp/build/perf/python_ext_build/lib/perf*.so': No such file or directory
> make[2]: *** [Makefile.perf:639: /tmp/build/perf/python/perf.so] Error 1
>
> Noticed when building on a docker.io/library/archlinux:base container.
>
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Fangrui Song <maskray@...gle.com>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Ian Rogers <irogers@...gle.com>
> Cc: Jiri Olsa <jolsa@...nel.org>
> Cc: John Keeping <john@...anate.com>
> Cc: Leo Yan <leo.yan@...aro.org>
> Cc: Michael Petlan <mpetlan@...hat.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Nathan Chancellor <nathan@...nel.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Sedat Dilek <sedat.dilek@...il.com>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---
> tools/perf/Makefile.config | 3 +++
> tools/perf/util/setup.py | 2 ++
> 2 files changed, 5 insertions(+)
>
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index 5b5ba475a5c00c0f..f3bf9297bcc03c5e 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -272,6 +272,9 @@ ifdef PYTHON_CONFIG
> PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
> PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
> FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
> + ifeq ($(CC_NO_CLANG), 0)
> + PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
> + endif
> endif
>
> FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
> diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
> index 6156bb87ee3e34cf..c255a2c90cd672b1 100644
> --- a/tools/perf/util/setup.py
> +++ b/tools/perf/util/setup.py
> @@ -25,6 +25,8 @@ if cc_is_clang:
> vars[var] = sub("-fstack-protector-strong", "", vars[var])
> if not clang_has_option("-fno-semantic-interposition"):
> vars[var] = sub("-fno-semantic-interposition", "", vars[var])
> + if not clang_has_option("-ffat-lto-objects"):
> + vars[var] = sub("-ffat-lto-objects", "", vars[var])
>
> from distutils.core import setup, Extension
>
> --
> 2.35.1
>
Thanks for the followup patches.
I have tested with the last 4 commits from [1].
[ INSTRUCTIONS ]
1103 2022-04-08 17:14:40 LLVM_MVER="14"
1104 2022-04-08 17:14:40 LLVM_TOOLCHAIN_PATH="/usr/lib/llvm-${LLVM_MVER}/bin"
1105 2022-04-08 17:14:40 ##LLVM_TOOLCHAIN_PATH="/opt/llvm-toolchain/bin"
1106 2022-04-08 17:14:40 if [ -d ${LLVM_TOOLCHAIN_PATH} ]; then
export PATH="${LLVM_TOOLCHAIN_PATH}:${PATH}"; fi
1107 2022-04-08 17:14:40 echo $PATH
1108 2022-04-08 17:14:40 PYTHON_VER="3.10"
1109 2022-04-08 17:14:40 MAKE="make"
1110 2022-04-08 17:14:40 MAKE_OPTS="V=1 -j4 HOSTCC=clang
HOSTLD=ld.lld HOSTAR=llvm-ar CC=clang LD=ld.lld AR=llvm-ar
STRIP=llvm-strip"
1111 2022-04-08 17:14:40 echo $PYTHON_VER $MAKE $MAKE_OPTS
3.10 make V=1 -j4 HOSTCC=clang HOSTLD=ld.lld HOSTAR=llvm-ar CC=clang
LD=ld.lld AR=llvm-ar STRIP=llvm-strip
1112 2022-04-08 17:14:50 LC_ALL=C $MAKE $MAKE_OPTS -C tools/perf
clean 2>&1 | tee ../make-log_perf-clean.txt
1113 2022-04-08 17:15:43 LC_ALL=C $MAKE $MAKE_OPTS -C tools/perf
PYTHON=python${PYTHON_VER} install-bin 2>&1 | tee
../make-log_perf-python${PYTHON_VER}-install_bin_debian-llvm14_perf-urgent-acme-20220408.txt
Please feel free to add my...
Tested-by: Sedat Dilek <sedat.dilek@...il.com> # LLVM/Clang v14 (x86-64)
My perf build-log is attached.
- sed@ -
P.S.: I requested to bump perl to version 5.34.1 (see [2]) plus diff from [3].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/log/?h=tmp.perf/urgent
[2] https://bugs.debian.org/1009170
[3] https://bugs.debian.org/1009149
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