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Andrew Kelley cfffb9c5e9
improve handling of environment variables on Windows 
std.os.getenv and std.os.getenvZ have nice compile errors when not linking
libc and using Windows.

std.os.getenvW is provided as a Windows-only API that does not require
an allocator. It uses the Process Environment Block.
std.process.getEnvVarOwned is improved to be a simple wrapper on top of
std.os.getenvW.

std.process.getEnvMap is improved to use the Process Environment Block
rather than calling GetEnvironmentVariableW.

std.zig.system.NativePaths uses process.getEnvVarOwned instead of
std.os.getenvZ, which works on Windows as well as POSIX.
2020-02-22 17:35:36 -05:00
.builds ci: don't rely on sourcehut's pkg system 2020-01-30 10:23:00 -05:00
.github funding: I've been accepted into the GitHub Sponsors program 2019-07-11 13:00:39 -04:00
ci enable passing freebsd tests 2020-02-14 12:00:38 -05:00
cmake rename libuserland to libstage2 2020-02-16 19:16:08 -05:00
deps Revert LLD patch 2019-10-12 10:57:11 +02:00
doc docs: Fix wrong extern fn definition 2020-02-18 18:18:29 -05:00
lib improve handling of environment variables on Windows 2020-02-22 17:35:36 -05:00
src update std lib to integrate with libc for environ 2020-02-22 15:59:13 -05:00
src-self-hosted std.os.execvpeZ_expandArg0: fix not restoring argv[0] 2020-02-22 13:56:02 -05:00
test add regression test for already fixed bug 2020-02-21 15:31:00 -05:00
tools Fix remaining variadic formatted prints 2020-01-09 13:36:44 -05:00
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build.zig remove libc dependency of zig0 building libstage2 2020-02-16 18:57:34 -05:00
CMakeLists.txt quick fix: add -mcpu=baseline support to zig0 2020-02-20 17:02:29 -05:00
CONTRIBUTING.md cmake: support make and make install 2020-01-17 19:39:43 -05:00
LICENSE
README.md update readme tagline 2019-12-30 18:17:13 -05:00

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 == 9.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 == 9.x

Instructions

POSIX
mkdir build
cd build
cmake ..
make install
MacOS
brew install cmake llvm@9
brew outdated llvm@9 || brew upgrade llvm@9
mkdir build
cd build
cmake .. -DCMAKE_PREFIX_PATH=$(brew --prefix llvm)
make install
Windows

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

Stage 2: Build Self-Hosted Zig from Zig Source Code

Note: Stage 2 compiler is not complete. Beta users of Zig should use the Stage 1 compiler for now.

Dependencies are the same as Stage 1, except now you can use stage 1 to compile Zig code.

bin/zig build --prefix $(pwd)/stage2

This produces ./stage2/bin/zig which can be used for testing and development. Once it is feature complete, it will be used to build stage 3 - the final compiler binary.

Stage 3: Rebuild Self-Hosted Zig Using the Self-Hosted Compiler

Note: Stage 2 compiler is not yet able to build Stage 3. Building Stage 3 is not yet supported.

Once the self-hosted compiler can build itself, this will be the actual compiler binary that we will install to the system. Until then, users should use stage 1.

Debug / Development Build

./stage2/bin/zig build --prefix $(pwd)/stage3

Release / Install Build

./stage2/bin/zig build install -Drelease