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Meta+Documentation: Require Xcode 14.3 or Clang 14 for the host compiler

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There have been multiple reports of Xcode 14.0 (based on upstream LLVM
14) segfaulting when compiling `LibCore/Process.cpp`. Let's require
Xcode 14.3, which is a known good version based on LLVM 15.

Note that Xcode 14.3 requires macOS Ventura, so users of Monterey or
older are expected to get Homebrew Clang instead.

Homebrew Clang 13 also suffers from the same crash. Although I have not
tested on Linux, the backtrace points to the middle-end, so x86_64 is
also likely to be affected. LLVM 14 was released 14 months ago, so it's
not an unreasonable requirement.
This commit is contained in:
Daniel Bertalan 2023-05-21 11:04:47 +02:00 • committed by Andrew Kaster
parent e5618b17c4
commit 4202bb597b
6 changed files with 20 additions and 14 deletions
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6
Documentation/BuildInstructionsLadybird.md
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@ -2,7 +2,7 @@
## Build Prerequisites
Qt6 development packages and a C++20 capable compiler are required. gcc-12 or clang-13 are required at a minimum for c++20 support.
Qt6 development packages and a C++20 capable compiler are required. gcc-12 or clang-14 are required at a minimum for c++20 support.
On Debian/Ubuntu required packages include, but are not limited to:
@ -39,7 +39,7 @@ nix-shell ladybird.nix
On macOS:
Note that Xcode 13.x does not have sufficient C++20 support to build ladybird. Xcode 14.x or clang from homebrew may be required to successfully build ladybird.
Note that Xcode 13.x does not have sufficient C++20 support to build ladybird. Xcode 14 versions before 14.3 might crash while building ladybird. Xcode 14.3 or clang from homebrew may be required to successfully build ladybird.
```
xcode-select --install
@ -103,7 +103,7 @@ The install rules in Ladybird/cmake/InstallRules.cmake define which binaries and
installed into the configured CMAKE_PREFIX_PATH or path passed to ``cmake --install``.
Note that when using a custom build directory rather than Meta/serenity.sh, the user may need to provide
a suitable C++ compiler (g++ >= 12, clang >= 13, Apple Clang >= 14) via the CMAKE_CXX_COMPILER and
a suitable C++ compiler (g++ >= 12, clang >= 14, Apple Clang >= 14.3) via the CMAKE_CXX_COMPILER and
CMAKE_C_COMPILER cmake options.
```