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Bitcoin Core mirror and no, I don't give a fuck about Monero.
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fanquake ad0c8f356e
Merge bitcoin/bitcoin#22238: build: improve detection of eBPF support 
8f7704d032 build: improve detection of eBPF support (fanquake)

Pull request description:

  Just checking for the `sys/sdt.h` header isn't enough, as systems like macOS have the header, but it doesn't actually have the `DTRACE_PROBE*` probes, which leads to [compile failures](https://github.com/bitcoin/bitcoin/pull/22006#issuecomment-859559004). The contents of `sys/sdt.h` in the macOS SDK is:
  ```bash
  #ifndef _SYS_SDT_H
  #define _SYS_SDT_H

  /*
   * This is a wrapper header that wraps the mach visible sdt.h header so that
   * the header file ends up visible where software expects it to be.  We also
   * do the C/C++ symbol wrapping here, since Mach headers are technically C
   * interfaces.
   *
   * Note:  The process of adding USDT probes to code is slightly different
   * than documented in the "Solaris Dynamic Tracing Guide".
   * The DTRACE_PROBE*() macros are not supported on Mac OS X -- instead see
   * "BUILDING CODE CONTAINING USDT PROBES" in the dtrace(1) manpage
   *
   */
  #include <sys/cdefs.h>
  __BEGIN_DECLS
  #include <mach/sdt.h>
  __END_DECLS

  #endif  /* _SYS_SDT_H */
  ```

  The `BUILDING CODE CONTAINING USDT PROBES` section from the dtrace manpage is available [here](https://gist.github.com/fanquake/e56c9866d53b326646d04ab43a8df9e2), and outlines the more involved process of using USDT probes on macOS.

ACKs for top commit:
  jb55:
    utACK 8f7704d032
  practicalswift:
    cr ACK 8f7704d032
  hebasto:
    ACK 8f7704d032, tested on macOS Big Sur 11.4 (20F71) and on Linux Mint 20.1 (x86_64) with depends.

Tree-SHA512: 5f1351d0ac2e655fccb22a5454f415906404fdaa336fd89b54ef49ca50a442c44ab92d063cba3f161cb8ea0679c92ae3cd6cfbbcb19728cac21116247a017df5
2021-06-18 15:16:00 +08:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx qt: Bump transifex slug for 22.x 2021-04-21 13:46:41 +02:00
build-aux/m4 build, qt: Fix libraries linking order for Linux hosts 2021-06-06 23:25:07 +03:00
build_msvc Merge bitcoin/bitcoin#22230: build: Fix MSVC linker /SubSystem option for bitcoin-qt.exe 2021-06-14 10:06:55 +08:00
ci build: enable external signer by default 2021-06-16 10:48:57 +02:00
contrib Merge bitcoin/bitcoin#22182: guix: Overhaul how guix-{attest,verify} works and hierarchy 2021-06-17 13:10:37 +08:00
depends build, qt: Fix compiling qt package in depends with GCC 11 2021-06-08 04:16:36 +03:00
doc Merge bitcoin/bitcoin#22172: doc: update tor.md, release notes with removal of tor v2 support 2021-06-12 12:23:17 +02:00
share doc: add maxuploadtarget to bitcoin.conf example 2021-05-28 12:53:17 -04:00
src Merge bitcoin/bitcoin#21365: Basic Taproot signing support for descriptor wallets 2021-06-18 09:12:44 +12:00
test Merge bitcoin/bitcoin#21365: Basic Taproot signing support for descriptor wallets 2021-06-18 09:12:44 +12:00
.appveyor.yml Switch Appveyor CI to VS2019 stable image 2021-06-14 20:35:00 +01:00
.cirrus.yml ci: Bump macOS image to big-sur-xcode-12.5 2021-06-02 10:03:38 +02:00
.editorconfig Add EditorConfig file. 2021-02-10 08:00:06 +01:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore build: add *~ to .gitignore 2021-05-12 18:10:47 +02:00
.python-version Bump minimum python version to 3.6 2020-11-09 17:53:47 +10:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
configure.ac Merge bitcoin/bitcoin#22238: build: improve detection of eBPF support 2021-06-18 15:16:00 +08:00
CONTRIBUTING.md doc: Fix external links (IRC, ...) 2021-05-31 17:27:57 +02:00
COPYING doc: Update license year range to 2021 2020-12-30 16:24:47 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am Makefile.am: use APP_DIST_DIR instead of hard-coding dist 2021-05-13 15:41:56 -04:00
README.md doc: Rework internal and external links 2021-02-17 09:18:46 +01:00
REVIEWERS Update REVIEWERS: I've found that I keep track of PRs in need of review without the need for DrahtBot's automated notification :) 2021-06-10 09:00:05 +00:00
SECURITY.md doc: Remove explicit mention of version from SECURITY.md 2019-06-14 06:39:17 -04:00

README.md

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/.

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

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information read the original Bitcoin whitepaper.

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.

Testing

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.

Automated Testing

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.

There are also regression and integration tests, written in Python. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

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.

Translations

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

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.