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[Ignore recent test: -dirty vs. checked-in usage difference] From: Mark Millard In-Reply-To: <2E86A8E9-9F0E-446E-BF80-5FA3B8ECB197@yahoo.com> Date: Tue, 4 May 2021 13:38:23 -0700 Cc: FreeBSD-STABLE Mailing List , freebsd-current Content-Transfer-Encoding: quoted-printable Message-Id: References: <35482701-95A3-48B2-9A8E-B7E0092119B1.ref@yahoo.com> <35482701-95A3-48B2-9A8E-B7E0092119B1@yahoo.com> <43F20589-A7C7-42FF-9020-09CEE037D1CD@yahoo.com> <91F820A1-8940-4246-A20A-E62685F50079@yahoo.com> <27B5086A-7C98-4AE6-885A-CC7C7BD2F64B@yahoo.com> <3FC6BCDD-5865-4B5D-8238-3EC38AD4E78C@yahoo.com> <2E86A8E9-9F0E-446E-BF80-5FA3B8ECB197@yahoo.com> To: Ed Maste X-Mailer: Apple Mail (2.3654.60.0.2.21) X-Rspamd-Queue-Id: 4FZWrl0y1Lz4TlW X-Spamd-Bar: - X-Spamd-Result: default: False [-1.53 / 15.00]; FREEMAIL_FROM(0.00)[yahoo.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[98.137.64.31:from]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_SPAM_SHORT(0.97)[0.975]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; SUBJECT_HAS_QUESTION(0.00)[]; SPAMHAUS_ZRD(0.00)[98.137.64.31:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.64.31:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.64.31:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-stable] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 May 2021 20:38:32 -0000 [The first buidlworld is still in process. So while waiting . . .] On 2021-May-4, at 10:31, Mark Millard wrote: > I probably know why the huge count of differences this time > unlike the original report . . . >=20 > Previously I built based on a checked-in branch as part of > my experimenting. This time it was in a -dirty form (not > checked in), again as part of my experimental exploration. >=20 > WITH_REPRODUCIBLE_BUILD=3D makes a distinction between these > if I remember right: (partially?) disabling itself for > -dirty style. >=20 > To reproduce the original style of test I need to create > a branch with my few patches checked in and do the > buildworlds from that branch. >=20 > This will, of course, take a while. >=20 > Sorry for the noise. >=20 I've confirmed some of the details of the large number of files with difference while waiting for the 1st buildworld : The 4 bytes at the end of the .gnu_debuglink section that are ending up different are the checksum for the .debug file. The .debug files have differences such as: =E2=94=82 - <1a> DW_AT_comp_dir : (indirect string) = /usr/obj/BUILDs/13_0R-CA72-nodbg-clang-alt/usr/13_0R-src/arm64.aarch64/lib= /csu/aarch64 =E2=94=82 + <1a> DW_AT_comp_dir : (indirect string) = /usr/obj/BUILDs/13_0R-CA72-nodbg-clang/usr/13_0R-src/arm64.aarch64/lib/csu= /aarch64 So I need to build, snapshot (in case need to reference), install, clean-out, build, install elsewhere, compare. (Or analogous that uses the same build base-path for both installs despite separate buildworld's.) This is separate from any potential -dirty vs. checked-in handling variation by WITH_REPRODUCIBLE_BUILD=3D . My process that produced the original armv7 report happened to do that before I accidentally discovered the presence of the few files with differences. My new experiments were different and I'd not though of needing to vary the procedure to get you the right evidence. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)