108 lines
5.1 KiB
Ruby
108 lines
5.1 KiB
Ruby
# NOTE: We have a policy of building only from tagged commits, but make a
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# singular exception for luajit. This exception will not be extended
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# to other formulae. See:
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# https://github.com/Homebrew/homebrew-core/pull/99580
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# TODO: Add an audit in `brew` for this. https://github.com/Homebrew/homebrew-core/pull/104765
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class Luajit < Formula
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desc "Just-In-Time Compiler (JIT) for the Lua programming language"
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homepage "https://luajit.org/luajit.html"
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# Update this to the tip of the `v2.1` branch at the start of every month.
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# Get the latest commit with:
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# `git ls-remote --heads https://github.com/LuaJIT/LuaJIT.git v2.1`
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url "https://github.com/LuaJIT/LuaJIT/archive/50936d784474747b4569d988767f1b5bab8bb6d0.tar.gz"
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# Use the version scheme `2.1.0-beta3-yyyymmdd.x` where `yyyymmdd` is the date of the
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# latest commit at the time of updating, and `x` is the number of commits on that date.
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# `brew livecheck luajit` will generate the correct version for you automatically.
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version "2.1.0-beta3-20220712.6"
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sha256 "4d44e4709130b031c1c2c81cf5c102dfce877bf454409dabba03249e18870e66"
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license "MIT"
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head "https://luajit.org/git/luajit-2.0.git", branch: "v2.1"
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livecheck do
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url "https://github.com/LuaJIT/LuaJIT/commits/v2.1"
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regex(/<relative-time[^>]+?datetime=["']?(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z)["' >]/im)
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strategy :page_match do |page, regex|
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newest_date = nil
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commit_count = 0
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page.scan(regex).map do |match|
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date = Date.parse(match[0])
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newest_date ||= date
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break if date != newest_date
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commit_count += 1
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end
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next if newest_date.blank? || commit_count.zero?
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# The main LuaJIT version is rarely updated, so we recycle it from the
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# `version` to avoid having to fetch another page.
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version.to_s.sub(/\d+\.\d+$/, "#{newest_date.strftime("%Y%m%d")}.#{commit_count}")
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end
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end
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bottle do
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sha256 cellar: :any, arm64_monterey: "519a2e60557c73f7a181727d69aa7d94007afa7d6041b823c867790d80313176"
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sha256 cellar: :any, arm64_big_sur: "09f3f32a0869b6ed81c250f66b1ed6a5d9d4db8fd8e0b25c8b2ad6a7b7be343e"
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sha256 cellar: :any, monterey: "d7796f1663ba457d6deb7a19cfaea8be8a21d8064d73fb13196480bc307708fc"
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sha256 cellar: :any, big_sur: "2182294caa7cf5589ebb5d6862e5eaa0fa367f697f95b44058f59f57db5b524c"
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sha256 cellar: :any, catalina: "ddc9c0063bb5d8d47ece519063e118983a9b0c9b5add83c9dafc0dcb5c59682a"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "95a5d53908af9ce0abe23dbe82df20bdeac624ffe7d2e84b8d92b89aebd76e9c"
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end
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def install
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# https://github.com/LuaJIT/LuaJIT/issues/648#issuecomment-752023149
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ENV.runtime_cpu_detection
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# 1 - Override the hardcoded gcc.
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# 2 - Remove the "-march=i686" so we can set the march in cflags.
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# Both changes should persist and were discussed upstream.
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# Also: Set `LUA_ROOT` to `HOMEBREW_PREFIX` so that Luajit can find modules outside its own keg.
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# This should avoid the need for writing env scripts that specify `LUA_PATH` or `LUA_CPATH`.
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inreplace "src/Makefile" do |f|
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f.change_make_var! "CC", ENV.cc
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f.gsub!(/-march=\w+\s?/, "")
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f.gsub!(/^( TARGET_XCFLAGS\+= -DLUA_ROOT=)\\"\$\(PREFIX\)\\"$/, "\\1\\\"#{HOMEBREW_PREFIX}\\\"")
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end
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# Per https://luajit.org/install.html: If MACOSX_DEPLOYMENT_TARGET
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# is not set then it's forced to 10.4, which breaks compile on Mojave.
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ENV["MACOSX_DEPLOYMENT_TARGET"] = MacOS.version
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# Pass `Q=` to build verbosely.
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system "make", "amalg", "PREFIX=#{prefix}", "Q="
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system "make", "install", "PREFIX=#{prefix}", "Q="
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# We need `stable.version` here to avoid breaking symlink generation for HEAD.
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upstream_version = stable.version.to_s.sub(/-\d+\.\d+$/, "")
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# v2.1 branch doesn't install symlink for luajit.
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# This breaks tools like `luarocks` that require the `luajit` bin to be present.
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bin.install_symlink "luajit-#{upstream_version}" => "luajit"
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# LuaJIT doesn't automatically symlink unversioned libraries:
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# https://github.com/Homebrew/homebrew/issues/45854.
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lib.install_symlink lib/shared_library("libluajit-5.1") => shared_library("libluajit")
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lib.install_symlink lib/"libluajit-5.1.a" => "libluajit.a"
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# Fix path in pkg-config so modules are installed
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# to permanent location rather than inside the Cellar.
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inreplace lib/"pkgconfig/luajit.pc" do |s|
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s.gsub! "INSTALL_LMOD=${prefix}/share/lua/${abiver}",
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"INSTALL_LMOD=#{HOMEBREW_PREFIX}/share/lua/${abiver}"
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s.gsub! "INSTALL_CMOD=${prefix}/${multilib}/lua/${abiver}",
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"INSTALL_CMOD=#{HOMEBREW_PREFIX}/${multilib}/lua/${abiver}"
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end
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end
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test do
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system bin/"luajit", "-e", <<~EOS
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local ffi = require("ffi")
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ffi.cdef("int printf(const char *fmt, ...);")
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ffi.C.printf("Hello %s!\\n", "#{ENV["USER"]}")
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EOS
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# Check that LuaJIT can find its own `jit.*` modules
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touch "empty.lua"
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system bin/"luajit", "-b", "empty.lua", "empty.o"
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assert_predicate testpath/"empty.o", :exist?
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end
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end
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