Messages in this thread | | | Date | Thu, 29 Sep 2022 15:37:58 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/2] perf tools: Fix bison object compilation with clang 15 |
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Em Thu, Sep 29, 2022 at 11:22:41AM -0700, Namhyung Kim escreveu: > On Thu, Sep 29, 2022 at 11:01 AM Arnaldo Carvalho de Melo > <acme@kernel.org> wrote: > > > > Em Thu, Sep 29, 2022 at 04:05:13PM +0200, Jiri Olsa escreveu: > > > Arnaldo reported compilation fail with clang 15: > > > > > > CC util/parse-events-bison.o > > > util/parse-events-bison.c:1401:9: error: variable 'parse_events_nerrs' > > > set but not used [-Werror,-Wunused-but-set-variable] > > > int yynerrs = 0; > > > ^ > > > util/parse-events-bison.c:72:25: note: expanded from macro 'yynerrs' > > > #define yynerrs parse_events_nerrs > > > ^ > > > 1 error generated. > > > > > > Disabling -Wunused-but-set-variable check for bison object compilation. > > > > So we have to disable something else: > > > > 37 44.92 fedora:32 : FAIL clang version 10.0.1 (Fedora 10.0.1-3.fc32) > > error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option] > > make[3]: *** [/git/perf-6.0.0-rc7/tools/build/Makefile.build:139: util] Error 2 > > 38 61.77 fedora:33 : FAIL clang version 11.0.0 (Fedora 11.0.0-3.fc33) > > error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option] > > make[3]: *** [/git/perf-6.0.0-rc7/tools/build/Makefile.build:139: util] Error 2 > > 39 66.59 fedora:34 : FAIL clang version 12.0.1 (Fedora 12.0.1-1.fc34) > > error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option] > > make[3]: *** [/git/perf-6.0.0-rc7/tools/build/Makefile.build:139: util] Error 2 > > > > > > I'll try yours + -Wno-unknown-warning-option > > Is `-Wno-unknown-warning-option` known to older versions? ;-)
Excellent question! ;-)
And one we should learn something from, so that we can prep tools/perf/ (and other projects we contribute to) for the future:
So far, so good:
[perfbuilder@five ~]$ echo `grep FAIL dm.log/summary | cut -c15- | cut -d: -f1,2` alpine:3.12 alpine:3.13 alpine:3.14 alpine:3.15 alt:p10 amazonlinux:devel debian:11 fedora:32 fedora:33 fedora:34 fedora:37 fedora:38 fedora:rawhide ubuntu:21.04 [perfbuilder@five ~]$ export BUILD_TARBALL=http://192.168.86.14/perf/perf-6.0.0-rc7.tar.xz [perfbuilder@five ~]$ time dm debian:experimental alpine:3.12 alpine:3.13 alpine:3.14 alpine:3.15 alt:p10 amazonlinux:devel debian:11 fedora:32 fedora:33 fedora:34 fedora:37 fedora:38 fedora:rawhide ubuntu:21.04 1 140.66 debian:experimental : Ok gcc (Debian 12.2.0-3) 12.2.0 , Debian clang version 14.0.6-2 2 132.82 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) 3 140.40 alpine:3.13 : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1 4 143.75 alpine:3.14 : Ok gcc (Alpine 10.3.1_git20210424) 10.3.1 20210424 , Alpine clang version 11.1.0 5 147.77 alpine:3.15 : Ok gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1 6 98.79 alt:p10 : Ok x86_64-alt-linux-gcc (GCC) 10.3.1 20210703 (ALT Sisyphus 10.3.1-alt2) , clang version 11.0.1 7: amazonlinux:devel
- Arnaldo
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