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Andrew Kelley eac6280241 add std.meta.TrailerFlags API 
This is useful for saving memory when allocating an object that has many
optional components. The optional objects are allocated sequentially in
memory, and a single integer is used to represent each optional object
and whether it is present based on each corresponding bit.
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README.md

ZIG

A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

Resources

Building from Source

Build Status

Note that you can download a binary of master branch.

Stage 1: Build Zig from C++ Source Code

Dependencies

POSIX
  • cmake >= 2.8.5
  • gcc >= 5.0.0 or clang >= 3.6.0
  • LLVM, Clang, LLD development libraries == 10.x, compiled with the same gcc or clang version above
Windows
  • cmake >= 3.15.3
  • Microsoft Visual Studio. Supported versions:
    • 2015 (version 14)
    • 2017 (version 15.8)
    • 2019 (version 16)
  • LLVM, Clang, LLD development libraries == 10.x

Instructions

POSIX
mkdir build
cd build
cmake ..
make install

Need help? Troubleshooting Build Issues

MacOS
brew install cmake llvm
brew outdated llvm || brew upgrade llvm
mkdir build
cd build
cmake .. -DCMAKE_PREFIX_PATH=$(brew --prefix llvm)
make install

You will now run into this issue: homebrew and llvm 10 packages in apt.llvm.org are broken with undefined reference to getPollyPluginInfo or error: unable to create target: 'Unable to find target for this triple (no targets are registered)', in which case try -DZIG_WORKAROUND_4799=ON

Hopefully this will be fixed upstream with LLVM 10.0.1.

Windows

See https://github.com/ziglang/zig/wiki/Building-Zig-on-Windows