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Tue, 18 Nov 2025 05:27:33 -0800 (PST) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 References: In-Reply-To: From: Ed Maste Date: Tue, 18 Nov 2025 08:27:21 -0500 X-Gm-Features: AWmQ_bnPtJicsU_onL8d5hWle7so4PGVD79U0FRFhwYSJyRhL7r5f2Vq_Wk-hQ8 Message-ID: Subject: Re: FYI: getopt in /usr/src/contrib/diff/lib/getopt.h vs. /usr/obj/usr/src/arm64.aarch64/tmp/usr/include/unistd.h : reported as incompatible with future C23 use To: Mark Millard Cc: FreeBSD Current Content-Type: text/plain; charset="UTF-8" X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.81 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.91)[-0.914]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; MIME_GOOD(-0.10)[text/plain]; DMARC_POLICY_SOFTFAIL(0.10)[freebsd.org : SPF not aligned (relaxed), No valid DKIM,none]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; ARC_NA(0.00)[]; FREEMAIL_TO(0.00)[yahoo.com]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; FREEFALL_USER(0.00)[carpeddiem]; FREEMAIL_ENVFROM(0.00)[gmail.com]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com]; RCVD_COUNT_ONE(0.00)[1]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.166.45:from]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; RCVD_IN_DNSWL_NONE(0.00)[209.85.166.45:from] X-Rspamd-Queue-Id: 4d9llp5w5Dz3kJv On Sat, 8 Nov 2025 at 11:10, Mark Millard wrote: > > In file included from /usr/src/contrib/diff/src/diff3.c:32: > /usr/src/contrib/diff/lib/getopt.h:154:12: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C23, conflicting with a previous declaration [-Wdeprecated-non-prototype] > 154 | extern int getopt (); > | ^ > /usr/obj/usr/src/arm64.aarch64/tmp/usr/include/unistd.h:384:6: note: conflicting prototype is here > 384 | int getopt(int, char * const [], const char *); > | ^ I think we can just remove contrib/diff/lib/getopt.h and use the system header. I've opened a review to do that in https://reviews.freebsd.org/D53802