fanquake fb85bb2776 Merge bitcoin/bitcoin#28783: build: remove -bind_at_load usage
3c61c60b90 build: Add an old hack to remove bind_at_load from libtool. (Cory Fields)
45257601da build: remove -bind_at_load usage (fanquake)

Pull request description:

  This is deprecated on macOS:
  ```bash
  ld: warning: -bind_at_load is deprecated on macOS
  ```
  and likely redundant anyways, given the behaviour of dyld3.

  Unfortunately libtool is still injecting a `-bind_at_load`, because it's version check is broken:
  ```bash
  # Don't allow lazy linking, it breaks C++ global constructors
  # But is supposedly fixed on 10.4 or later (yay!).
  if test CXX = "$tagname"; then
    case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
      10.[0123])
        func_append compile_command " $wl-bind_at_load"
        func_append finalize_command " $wl-bind_at_load"
      ;;
    esac
  fi
  ```
  so this adds another change to strip them out at the end of configure.

  Note that anywhere the ld64 warnings are being emitted, we are already not adding this flag to our hardened ldflags, because of `-Wl,-fatal_warnings`.

ACKs for top commit:
  theuni:
    utACK 3c61c60b90.
  hebasto:
    ACK 3c61c60b90, tested on macOS Sonoma 14.1.1 (23B81, Apple M1) and Ubuntu 23.10 (cross-compiling for macOS). Also I've verified the actual diff in the `libtool` script.

Tree-SHA512: 98e6a095dc2d2409f8ec3b9d462e0db3643d7873d7903a12f8acd664829e7e84e797638556fa42ca8ebc1003f13a38fe9bb8a2a50cecfa991155da818574bf08
2023-11-14 09:47:36 +00:00

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

What is Bitcoin Core?

Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built.

Further information about Bitcoin Core is available in the doc folder.

License

Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core.

The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

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Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

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Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

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Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

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Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

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