build: Upgrade depends to Qt6 #33787

pull kwsantiago wants to merge 2223 commits into bitcoin:master from kwsantiago:kwsantiago/qt6-depends-upgrade changing 793 files +39909 −15515
  1. kwsantiago commented at 0:51 am on November 5, 2025: none

    Upgrades the depends system to build Qt 6.7.3, preparing the codebase for Qt6 compatibility.

    Changes

    • Add Qt6 (6.7.3) package definitions and patches
    • Update Qt build configuration to support both Qt5 and Qt6
    • Add automatic Qt version detection in depends toolchain
    • Add libxcb_util_cursor package for Qt6 Linux builds
    • Remove obsolete Qt5-specific patches
    • Add initial wintaskbar infrastructure for Qt6 compatibility, which is covered in https://github.com/bitcoinknots/bitcoin/pull/215

    Details

    This PR modernizes the Qt dependency infrastructure without changing application behavior. The Qt6 upgrade provides:

    • Long-term Qt support (Qt5 reaches end-of-life in 2025)
    • Better compatibility with modern platforms
    • Foundation for future Qt6-specific features
  2. Merge 33228 via fix_preallocate f3387637c3
  3. Merge 33215 via fix_debuglog_refs_hardcoded-28+knots 4d34552abf
  4. Merge 33311 via log_quiet_pcp_unsupported-29 ea7cbe71ef
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  6. Merge g886 via wrkrnd_qt_textedit_oom-0.14 26fa4aaa01
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  9. Merge 33511 via fix_sigint_waitrpcs-29 b4915e93eb
  10. Merge fix_rpccookieperms_early 91f5662ec3
  11. Merge qt_intro_nojumpy c3d5fbf0f2
  12. Merge restore_guix_ppc64le-28 c1cdcf34ff
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  15. Merge fix_guix_boost_mirror-29 e4618471df
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  17. Merge fix_qt_psbtops_filename_amount adacf79e15
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  20. Merge qt_nowalletpage_alerts-23 2eb4349422
  21. Merge fix_alertnotify_winquoting 108e6f088c
  22. Merge torcontrol_avoid_bindany_connect 3b3e298f98
  23. Merge upd_qt5-29.2 b10bf470c3
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  129. Merge rpc_compat_error_index-25+knots 5129e81beb
  130. Merge g537 via gui_bech32_errpos 84064d233a
  131. Merge 17636 via guisettings-0.21 695367a56f
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  161. Merge gui_wallet_displayname_wo_dat 6d64610bca
  162. Merge gui_request_payment_label-0.19 953333d93c
  163. Merge gui_peers_sort_network-23 7ae29bcf86
  164. Merge gui_peers_no_net_column 1c2da22bf7
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  171. Merge rpccookieperms_log_improvements-29+k b5d101c70d
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  176. Merge pol_acceptunknownwitness 6d158fd7fb
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  179. Merge truc_opts-29.2+knots f15f7e9994
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  181. Merge bytespersigopstrict-29+knots eb475ae2a1
  182. Merge dustdynamic-29.1+knots c1f31d2ebf
  183. Merge 28408 via match_more_datacarrier-29+knots 18679d7ae9
  184. Merge datacarriercost-29+knots 7b727bd1c8
  185. Merge acceptnonstddatacarrier-29+knots 8a91d7f00f
  186. Merge k136 via pol_permitephemeral 379b005b23
  187. Merge rejecttokens-29.1+knots 00793cbe32
  188. Merge k78 via rejectparasites-29.1+knots 606644447f
  189. Merge maxscriptsize-29+knots 0ec7963005
  190. Merge k148 via minrelaymaturity-29.1+knots 4630431f77
  191. Merge pol_maxtxlegacysigops-29.1+knots 6bada6bb4b
  192. Merge blockreconstructionextratxnsize e1375d6a06
  193. Merge k162 via qt_bad_external_signer_msg-22 f1b1cdf9d4
  194. Merge compat_rpc_dumptxoutset_hr 16da2d97b3
  195. Merge compat_jsonrpc_weirdversions 4a1ec7a825
  196. Merge 29530 via rpc_getpeerinfo_misbehaving_score-29+k f09235f455
  197. Merge rpccookieperms_octal_compat-29+knots 295124917a
  198. Merge zmq_ipc_uri_compat 241ac987a7
  199. Merge wallet_undeprecate_legacy-29 588dbab211
  200. Merge 14641 via fundraw_min_conf_deprecated-25+knots 136a8fb501
  201. Merge preserve_unsupported_keyflags 98287ec605
  202. Merge netperms_implicit_addr c69b6ca7b7
  203. Merge rpc_getblockfrompeer_nodeid_compat 6b146f3e2f
  204. Merge gui_peers_bump_setting_keys-29+k 1d8ea63cb4
  205. Merge 1day_default_conftarget f8bb2e2240
  206. Merge def_bloom_local_only aca5d86caf
  207. Merge wallet_avoid_newerchange e12de6c8b1
  208. Merge enforce_checkpoints 21dbf96fd5
  209. Merge checkpoint_update-29 3b5ea232f7
  210. Merge 10282 via softwareexpiry 68991f278b
  211. Merge rwconf_policy-29.1+knots 91b5f982db
  212. Delete release notes fragments 6b5354d10d
  213. Merge font_ocrbitcoin 68221e1221
  214. Merge knots_branding-29 78ea02d8a5
  215. Update documented versions/BIPs for Knots 7367bb04b0
  216. Bump version to knots20251010 d5593bea7a
  217. Merge rm_historical_relnotes_from_dist 5814d23b6e
  218. doc/release-notes: Update for Bitcoin Knots 29.2.knots20251010 8a0a4c3167
  219. Update manpages, shell completion, and example bitcoin.conf eeb9cc1120
  220. net: use generic network key for addrcache 
    The generic key can also be used in other places
where behavior between different network identities should
be uncorrelated to avoid fingerprinting.
This also changes RANDOMIZER_ID - since it is not
being persisted to disk, there are no compatibility issues.

Github-Pull: #33464
Rebased-From: 94db966a3bb52a3677eb5f762447202ed3889f0f
    e949bff636
  221. p2p: Use different inbound inv timer per network 
    Currently nodes schedule their invs to all inbound peers at the same time.
It is trivial to make use this timing pattern for fingerprinting
identities on different networks. Using a separate timers for each network will
make the fingerprinting harder.

Github-Pull: #33464
Rebased-From: 0f7d4ee4e8281ed141a6ebb7e0edee7b864e4dcf
    81e5717c9e
  222. Merge 33464 via net_timers_for_inbound_inv-29 3f01bb63ca
  223. depends: Use $(package)_file_name when downloading from the fallback 
    Github-Pull: #33580
Rebased-From: 671b774d1b58c491b53f2b2f6ee42fb6b65a0e71
    d25f97ac37
  224. Merge 33580 via fix_depends_fallback_filename-0.13 5299fc8950
  225. Merge commit '6f23ead4a2d' into sendraw_force-29.1+knots 3de17861bb
  226. Merge commit '666aec7d495' into sendraw_force-29.1+knots e79fc70843
  227. Merge tag 'v29.2rc2' into sendraw_force-29.2+knots 
    Bitcoin Core 29.2 release candidate 2

Tree-SHA512: c829efe89f86c9c76767ffe60a3779ece902ee9e3c8f6b4203562aaf257019484bfa49916ddfabdcabbd1478368d9b80a3f0a15057778aa1984852ea245283a6
    99b7095566
  228. Merge 7533 via sendraw_force-29.2+knots 2004cab398
  229. Merge branch 'sendraw_force-29.2+knots' (early part) into truc_opts-29.1+knots e1254fed03
  230. Merge branch 'sendraw_force-29.2+knots' (early part) into truc_opts-29.1+knots 26ad7d0fee
  231. Merge branch 'truc_opts-29.2+knots' (early part) into unique_spk_mempool-29.1+knots 1e1cc0910f
  232. Merge branch 'truc_opts-29.2+knots' into unique_spk_mempool-29.1+knots 13dc4608d7
  233. Merge 9749 via unique_spk_mempool-29.2+knots 8c08e23a7f
  234. Bugfix: torcontrol: Use ephemeral config file rather than stdin 
    cpp-subprocess does not have a way to close stdin, so executing tor currently hangs
    8546bc08b1
  235. Merge 15421 via tor_subprocess-29+knots 5efc573ae6
  236. Merge bitcoin/bitcoin#33551: [29.x] Finalise 29.2 
    46d9b9091baa096da30da5e14329a32f1264229a doc: update manual pages for v29.2 (fanquake)
b2026fa290f0aef9a0dcfe45750121f113e2ce7d build: bump version to v29.2 (fanquake)
3226616493289b111997bb107e569fef54386743 doc: update release notes for 29.2 (fanquake)

Pull request description:

  I'm optimistic that 29.2 wont need an `rc3`.

ACKs for top commit:
  instagibbs:
    ACK 46d9b9091baa096da30da5e14329a32f1264229a
  stickies-v:
    ACK 46d9b9091baa096da30da5e14329a32f1264229a
  glozow:
    ACK 46d9b9091baa096da30da5e14329a32f1264229a

Tree-SHA512: f515d2dfbbe60dc145f79425cb2e8ef7a443e69dab208b9acdf357dae7cca3f566f7d013a85c6d4330d8931da060320159a3a9d8dae0ea3ff18bba5aeb282722
    2d6426c296
  237. Bugfix: net: Treat connections to the first normal bind as Tor when appropriate 23071773f6
  238. Merge fix_tor_common_bind-29.2 5c116044d5
  239. Merge commit 'v29.2^^' into upd_qt5-29.2 7abec4c71e
  240. Merge commit 'v29.2^' into upd_qt5-29.2 441f54eb66
  241. Merge tag 'v29.2' into upd_qt5-29.2 
    Bitcoin Core 29.2 final

Tree-SHA512: f515d2dfbbe60dc145f79425cb2e8ef7a443e69dab208b9acdf357dae7cca3f566f7d013a85c6d4330d8931da060320159a3a9d8dae0ea3ff18bba5aeb282722
    97d45701e7
  242. Merge commit 'v29.2^^^^^^' into svg_icon-29.2+knots b78ba82b2c
  243. Merge branch 'upd_qt5-29.2' (early part) into svg_icon-29.2+knots 50de9ff867
  244. Merge branch 'upd_qt5-29.2' (early part) into svg_icon-29.2+knots 249313c204
  245. Merge branch 'upd_qt5-29.2' into svg_icon-29.2+knots 6d51003afe
  246. Merge 7483 via svg_icon-29.2+knots 093b55fc9c
  247. init: wintaskbar changes for qt6 1736c1caca
  248. build: add Qt6 patches 93c0143a45
  249. build: add Qt6 package definitions 6dd9db4c55
  250. build: upgrade depends to Qt6 95c81af1e1
  251. depends: auto-detect Qt version for toolchain 32ad8cdc71
  252. DrahtBot added the label Build system on Nov 5, 2025
  253. DrahtBot commented at 0:52 am on November 5, 2025: contributor
    ♻️ Automatically closing for now based on heuristics. Please leave a comment, if this was erroneous. Generally, please focus on creating high-quality, original content that demonstrates a clear understanding of the project’s requirements and goals.
  254. DrahtBot closed this on Nov 5, 2025
  255. DrahtBot commented at 0:52 am on November 5, 2025: contributor

    The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

    Code Coverage & Benchmarks

    For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/33787.

    Reviews

    See the guideline for information on the review process. A summary of reviews will appear here.

  256. bitcoin locked this on Nov 5, 2025


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