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Build PowerShell on macOS
This guide supplements the Linux instructions, as building on macOS is almost identical.
.NET Core 2.x (and by transitivity, us) only supports macOS 10.12+.
Environment
You will want Homebrew, the missing package manager for macOS.
Once installed, follow the same instructions to download and
install a self-hosted copy of PowerShell on your macOS machine.
From pwsh.exe, run Import-Module ./build.psm1 and use Start-PSBootstrap to install the dependencies.
The Start-PSBootstrap function does the following:
- Uses
brewto install CMake, OpenSSL, and GNU WGet - Uninstalls any prior versions of .NET CLI
- Downloads and installs .NET Core SDK to
~/.dotnet
If you want to use dotnet outside of Start-PSBuild,
add ~/.dotnet to your PATH environment variable.
error: Too many open files
Due to a bug in NuGet, the dotnet restore command will fail without the limit increased.
Run ulimit -n 2048 to fix this in your session;
add it to your shell's profile to fix it permanently.
We cannot do this for you in the build module due to #847.
Build using our module
Start a PowerShell session by running pwsh, and then use Start-PSBuild from the module.
After building, PowerShell will be at ./src/powershell-unix/bin/Debug/netcoreapp2.1/osx-x64/publish/pwsh.