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Thu, 5 Sep 2024 11:55:49 +1000 (AEST) Date: Thu, 5 Sep 2024 11:55:48 +1000 From: Stephen Rothwell To: Arnaldo Carvalho de Melo , Namhyung Kim Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the perf tree Message-ID: <20240905115548.745ef16a@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/A.GBAXKg9YC1=DZx6.RruK5"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/A.GBAXKg9YC1=DZx6.RruK5 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the perf tree, today's linux-next build (native perf) failed like this: perf/util/bpf-filter-flex.c: In function 'yy_get_previous_state': perf/util/bpf-filter-flex.c:1919:9: error: expected expression at end of in= put 1919 | for ( yy_cp =3D (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_b= uf_p); ++yy_cp ) | ^~~ perf/util/bpf-filter-flex.c:1919:9: error: expected declaration or statemen= t at end of input perf/util/bpf-filter-flex.c:1919:9: error: no return statement in function = returning non-void [-Werror=3Dreturn-type] perf/util/bpf-filter-flex.c: At top level: perf/util/bpf-filter-flex.c:20:31: error: 'perf_bpf_filter_ensure_buffer_st= ack' used but never defined [-Werror] 20 | #define yyensure_buffer_stack perf_bpf_filter_ensure_buffer_stack | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:550:13: note: in expansion of macro 'yyensure_b= uffer_stack' 550 | static void yyensure_buffer_stack ( void ); | ^~~~~~~~~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:16:30: error: 'perf_bpf_filter__load_buffer_sta= te' used but never defined [-Werror] 16 | #define yy_load_buffer_state perf_bpf_filter__load_buffer_state | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:551:13: note: in expansion of macro 'yy_load_bu= ffer_state' 551 | static void yy_load_buffer_state ( void ); | ^~~~~~~~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:604:22: error: 'yy_try_NUL_trans' used but neve= r defined [-Werror] 604 | static yy_state_type yy_try_NUL_trans ( yy_state_type current_state= ); | ^~~~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:606:24: error: 'yy_fatal_error' used but never = defined [-Werror] 606 | static void yynoreturn yy_fatal_error ( const char* msg ); | ^~~~~~~~~~~~~~ perf/util/bpf-filter-flex.c:510:15: error: 'yy_buffer_stack_max' defined bu= t not used [-Werror=3Dunused-variable] 510 | static size_t yy_buffer_stack_max =3D 0; /**< capacity of stack. */ | ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors I don't know what caused this, but just redoing the build worked. Is there maybe a dependency missing? --=20 Cheers, Stephen Rothwell --Sig_/A.GBAXKg9YC1=DZx6.RruK5 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmbZD6QACgkQAVBC80lX 0GyIywgAgnHP2XzAjcvyPIz4hGHPU6pPsqv7m7DdpNhizqgtCB4f2vLl+LqzbRKN DJS96XXlW1mXk6kENre5F6Y6rXDf7T63+A6lWW26romM2Eld0dbf37aYFn6KMZni tUZbAwTKgWScgSA7iKFtUDkIugiNz8lw1tGmNa8xSqOAjKUSnMcMuUQls3Ln/Tr/ OFsFPDa0Kv8F0em/fHC0q1wibqnJnzYAyG1E8W6IGl1GXf2K2j6vY5Ei5DmbXHM5 tibHMB1xlhq/CMqCIXxzqw7mtZQirqowyU5DZTbWbHIaSUYmzSzI/fDAEmxPo8jd d+unOM4mY/9dbZEHPlBEbpZjdk5l5A== =f3yP -----END PGP SIGNATURE----- --Sig_/A.GBAXKg9YC1=DZx6.RruK5--