cyrus-imapd2

• Path: arch/adapted/cyrus-imapd2
• 2026-07-15: build failure fixed and published, pkgrel 2.0 -> 2.1. Superseded the speculation below – root cause fully diagnosed: build() hardcoded CC=clang, but clang was never declared in makedepends (there was no makedepends array at all), so any clean chroot without clang installed by coincidence fails immediately at configure’s first compiler check. Investigated why clang was chosen rather than just adding it as a dependency: with plain gcc, configure succeeds but make hits a real error – imap/mboxlist.h:208 declares mboxlist_findall’s callback parameter as an old K&R-style unprototyped int (*proc)(), and imap/mailbox.c calls it with the real, typed chkchildren function. clang has always tolerated that; current GCC’s default standard (gnu23) now rejects it as a hard incompatible-pointer-types error. Almost certainly the actual (undocumented) reason clang was pinned years ago – just never declared as a build dependency, so it broke silently the moment a chroot didn’t already happen to have clang installed. Fix: dropped CC=clang, switched to CC=gcc with -std=gnu17 in CFLAGS. See UPDATES.md’s 2026-07-15 entry for full detail.
• Known, not-yet-fixed issue: depends=() (cyrus-sasl, db, libsasl, perl) is missing jansson. namcap flags this as a real E: (not just a W: “implicitly satisfied”) – usr/lib/libcyrus_imap.so.0.0.0 links against libjansson.so.4, and nothing else already in depends=() pulls jansson in transitively, so a fresh install could end up missing libjansson.so.4 at runtime. Found while fixing the build failure above; left alone since it’s a separate, pre-existing gap from what was asked at the time. Next time this package is touched, add jansson to depends=() and bump pkgrel (packaging-only fix).
• One unrelated, pre-existing makepkg warning also noted but not investigated: “Package contains reference to $srcdir” – a baked-in build-time path in some installed file. Not a build failure, didn’t block the fix above.

Superseded (kept for context, see 2026-07-15 entry above for the real cause)

• Build failure during the 2026-07-07 “build all packages for x86_64” private-repo release pass (see repo_release_logs/adapted_cyrus-imapd2.log).
• configure fails at the very first compiler check: configure: error: C compiler cannot create executables (using clang, which is what extra-x86_64-build’s clean chroot resolves gcc/cc to via the ancient bundled configure script’s checking for gcc... clang detection). config.log inside the chroot would have the real linker/cc invocation error, but the chroot is torn down after the failed build, so it wasn’t captured this run.
• Likely an old (2.5.17) autoconf-generated configure script incompatible with the current toolchain/clang in the build chroot (host system moved on since this PKGBUILD was last verified) rather than anything about this release pass itself – other very old packages built fine, so it’s specific to this package’s build system.