From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: [PATCH 17/26] perf python: Check if clang supports -fno-semantic-interposition
Date: Mon, 13 Apr 2020 13:51:54 -0300 [thread overview]
Message-ID: <20200413165203.1816-18-acme@kernel.org> (raw)
In-Reply-To: <20200413165203.1816-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
The set of C compiler options used by distros to build python bindings
may include options that are unknown to clang, we check for a variety of
such options, add -fno-semantic-interposition to that mix:
This fixes the build on, among others, Manjaro Linux:
GEN /tmp/build/perf/python/perf.so
clang-9: error: unknown argument: '-fno-semantic-interposition'
error: command 'clang' failed with exit status 1
make: Leaving directory '/git/perf/tools/perf'
[perfbuilder@602aed1c266d ~]$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/9.3.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-pkgversion='Arch Linux 9.3.0-1' --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --enable-shared --enable-threads=posix --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp --enable-cet=auto gdc_include_dir=/usr/include/dlang/
gdc
Thread model: posix
gcc version 9.3.0 (Arch Linux 9.3.0-1)
[perfbuilder@602aed1c266d ~]$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/setup.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 347b2c0789e4..c5e3e9a68162 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -21,6 +21,8 @@ if cc_is_clang:
vars[var] = sub("-fstack-clash-protection", "", vars[var])
if not clang_has_option("-fstack-protector-strong"):
vars[var] = sub("-fstack-protector-strong", "", vars[var])
+ if not clang_has_option("-fno-semantic-interposition"):
+ vars[var] = sub("-fno-semantic-interposition", "", vars[var])
from distutils.core import setup, Extension
--
2.21.1
next prev parent reply other threads:[~2020-04-13 16:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-13 16:51 [GIT PULL] perf/core fixes and improvements Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 01/26] perf tools: Synthesize bpf_trampoline/dispatcher ksymbol event Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 02/26] perf machine: Set ksymbol dso as loaded on arrival Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 03/26] perf annotate: Add basic support for bpf_image Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 04/26] tools arch x86: Sync the msr-index.h copy with the kernel sources Arnaldo Carvalho de Melo
[not found] ` <20200413165203.1816-1-acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2020-04-13 16:51 ` [PATCH 05/26] capabilities: Introduce CAP_PERFMON to kernel and user space Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 06/26] perf/core: Open access to the core for CAP_PERFMON privileged process Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 07/26] perf/core: open access to probes " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 08/26] perf tools: Support CAP_PERFMON capability Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 09/26] drm/i915/perf: Open access for CAP_PERFMON privileged process Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 10/26] trace/bpf_trace: " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 11/26] powerpc/perf: open " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 12/26] parisc/perf: " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 13/26] drivers/perf: Open " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 14/26] drivers/oprofile: " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 15/26] doc/admin-guide: Update perf-security.rst with CAP_PERFMON information Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 16/26] doc/admin-guide: update kernel.rst " Arnaldo Carvalho de Melo
2020-04-13 16:51 ` Arnaldo Carvalho de Melo [this message]
2020-04-13 16:51 ` [PATCH 18/26] perf script: Simplify auxiliary event printing functions Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 19/26] perf bench: Add event synthesis benchmark Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 20/26] tools api fs: Make xxx__mountpoint() more scalable Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 21/26] perf synthetic-events: save 4kb from 2 stack frames Arnaldo Carvalho de Melo
2020-04-13 16:51 ` [PATCH 22/26] perf stat: Fix no metric header if --per-socket and --metric-only set Arnaldo Carvalho de Melo
2020-04-13 16:52 ` [PATCH 23/26] perf expr: Add expr_ prefix for parse_ctx and parse_id Arnaldo Carvalho de Melo
2020-04-13 16:52 ` [PATCH 24/26] perf expr: Add expr_scanner_ctx object Arnaldo Carvalho de Melo
2020-04-13 16:52 ` [PATCH 25/26] perf metrictroup: Split the metricgroup__add_metric function Arnaldo Carvalho de Melo
2020-04-13 16:52 ` [PATCH 26/26] perf script: Add flamegraph.py script Arnaldo Carvalho de Melo
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