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Merge bitcoin/bitcoin#22402: doc: Install Rosetta on M1-macOS for qt in depends

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cdb41d5573b1e2ed1bc1d8d1dc9f77e82672ee1f doc: Install Rosetta on M1-macOS for qt in depends (Hennadii Stepanov)

Pull request description:

  On master (c609e10545492aba480ff17aff7eefc13a0b5cd8) `make -C depends qt` on Apple Silicon based macOS 11.4 ends with an error:
  ```
  /bin/sh: /Users/hebasto/bitcoin/depends/work/build/aarch64-apple-darwin20.5.0/qt/5.12.11-6c4d47a8f8f/qtbase/bin/moc: Bad CPU type in executable
  ```

  Installing Rosetta 2 fixes it.

  Explanation. On Apple Silicon macOS the `qt` package in depends actually is cross compiled. All native tools (including `moc`) are x86_64 binaries, that require Rosetta 2 to run.

ACKs for top commit:
  promag:
    ACK cdb41d5573b1e2ed1bc1d8d1dc9f77e82672ee1f.
  fanquake:
    ACK cdb41d5573b1e2ed1bc1d8d1dc9f77e82672ee1f - I have not tested after installing Rosetta 2, but I saw the same issue during my first cross-compile on an M1 box.
  Zero-1729:
    ACK cdb41d5573b1e2ed1bc1d8d1dc9f77e82672ee1f

Tree-SHA512: fb06a32d6fb40f405ce856b44f5d3af0c51089886f3be79e509e5c325614d7af58ce4480c064c17e0efb695a1f69f68d533c417f9631d46d8a630aba60ce4433
This commit is contained in:
fanquake 2021-07-07 20:59:25 +08:00 committed by PastaPastaPasta
parent 615462e5a4
commit 89928a3e34
1 changed files with 8 additions and 0 deletions
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8
depends/README.md
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@ -84,6 +84,14 @@ For linux S390X cross compilation:
sudo apt-get install g++-s390x-linux-gnu binutils-s390x-linux-gnu
### Install the required dependencies: M1-based macOS
To be able to build the `qt` package, ensure that Rosetta 2 is installed:
```
softwareupdate --install-rosetta
```
### Dependency Options
The following can be set when running make: `make FOO=bar`