Gerbil Homebrew Tap

brew install mighty-gerbils/gerbil/gerbil-scheme

How do I install these formulae?

brew install mighty-gerbils/gerbil/<formula>

Or brew tap mighty-gerbils/gerbil and then brew install <formula>.

Build the HEAD of Master

Sometimes, like for testing pre-release, we want to build and test the lastest commit to the master branch.

brew install mighty-gerbils/gerbil/gerbil-scheme

Documentation

`brew help`, `man brew` or check [Homebrew’s documentation](https://docs.brew.sh).

Packages: gerbil-scheme, gerbil-scheme-gcc and gerbil-scheme-clang

These packages are literate and tangled from this README.org.

# This .rb file is tangled (AKA generated) from README.org
desc "Opinionated dialect of Scheme designed for Systems Programming"
homepage "https://cons.io"
url "https://github.com/mighty-gerbils/gerbil.git",
    using: :git, revision: "92b1a2f642d6ebbcd3bd223ccc0af7ec0d9a42ad"
version "0.18.1"
license any_of: ["LGPL-2.1-or-later", "Apache-2.0"]

head "https://github.com/mighty-gerbils/gerbil.git", using: :git, branch: "master"

depends_on "coreutils" => :build
depends_on "pkg-config" => :build
depends_on "openssl@3"
depends_on "sqlite"
depends_on "zlib"

 def install
  nproc = `nproc`.to_i - 1

  if OS.mac?
    ENV.prepend_path("PATH", "/usr/local/opt/llvm/bin")
    ENV.prepend_path("PATH", "/opt/homebrew/opt/llvm/bin")
  end

  if OS.linux?
    ENV.prepend_path("PATH", "/home/linuxbrew/.linuxbrew/bin")
    ENV.prepend_path("PATH", "/home/linuxbrew/.linuxbrew/sbin")
  end

  ENV["GERBIL_GCC"] = ENV.cc.to_s
  ENV["CC"] = ENV.cc.to_s

  system ENV.cc.to_s, "--version"
  system "./configure", "--prefix=#{prefix}", "--enable-march="
  system "make", "-j#{nproc}"
  system "make", "install"

  # We get rid of all the non-LFSH stuff

  rm prefix/"bin"
  rm prefix/"lib"
  rm prefix/"share"
  mkdir prefix/"bin"

  cd prefix/"current/bin" do
    ln "gerbil", prefix/"bin", verbose: true
    cp %w[gxc gxensemble gxi gxpkg gxprof gxtags gxtest], prefix/"bin"
  end
end
test do
  assert_equal "0123456789", shell_output("#{bin}/gxi -e \"(for-each write '(0 1 2 3 4 5 6 7 8 9))\"")
end

Gcc

class GerbilScheme < Formula
  <<start-pkg>>
  # revision 3
  <<deps-pkg>>
  on_macos do
     depends_on "llvm"
  end
  on_linux do
     depends_on "gcc@13"
  end
  fails_with :gcc do
     version "12" # Select new gcc
     cause "Make it easy with all the same"
  end
  <<install-pkg>>
end

Clang

class GerbilSchemeClang < Formula
  <<start-pkg>>
  # revision 0
  <<deps-pkg>>
  on_macos do
     depends_on "llvm"
  end
  on_linux do
     depends_on "llvm"
  end
  fails_with :gcc do
    cause "this is a clang build"
  end
  <<install-pkg>>
end


  

HACKING

Trying to make it work for the github thing often means fixing a of whitespace and other styles that are frowned upon.

brew style --fix  mighty-gerbils/gerbil/gerbil-scheme

brew audit mighty-gerbils/gerbil/gerbil-scheme --online --new