homebrew-core/Formula/emscripten.rb
2018-03-13 21:29:40 +01:00

100 lines
3.3 KiB
Ruby

class Emscripten < Formula
desc "LLVM bytecode to JavaScript compiler"
homepage "https://kripken.github.io/emscripten-site/"
stable do
url "https://github.com/kripken/emscripten/archive/1.37.36.tar.gz"
sha256 "b2694e911ea7901f0afdcca74f0f38fe52d1e534358c14051552ba845083e43b"
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp/archive/1.37.36.tar.gz"
sha256 "9491b3136cdf8799506fa6a7c8c8648b0ab9bfb17d7965950ff02434d0ff802d"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang/archive/1.37.36.tar.gz"
sha256 "3b727be7779d4c6152cace41a1b67d7c43a06c4f5f7e3bffea7300d013323f99"
end
end
bottle do
cellar :any
sha256 "b802c4e077d0431417357c925eb8a6bf0331bf675a966cfc8484c77119e42bba" => :high_sierra
sha256 "79f6fbe651af93b36461c02fb3d9a03abe25d0d319c8305f1e7b54570ae56169" => :sierra
sha256 "4c1ace0e74a0632b0eec69e1e8436af74e51af23120d9384747972d05be2806e" => :el_capitan
end
head do
url "https://github.com/kripken/emscripten.git", :branch => "master"
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp.git", :branch => "master"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang.git", :branch => "master"
end
end
needs :cxx11
depends_on "python@2" if MacOS.version <= :snow_leopard
depends_on "cmake" => :build
depends_on "node"
depends_on "closure-compiler" => :optional
depends_on "yuicompressor"
def install
ENV.cxx11
# OSX doesn't provide a "python2" binary so use "python" instead.
python2_shebangs = `grep --recursive --files-with-matches ^#!/usr/bin/.*python2$ #{buildpath}`
python2_shebang_files = python2_shebangs.lines.sort.uniq
python2_shebang_files.map! { |f| Pathname(f.chomp) }
python2_shebang_files.reject! &:symlink?
inreplace python2_shebang_files, %r{^(#!/usr/bin/.*python)2$}, "\\1"
# All files from the repository are required as emscripten is a collection
# of scripts which need to be installed in the same layout as in the Git
# repository.
libexec.install Dir["*"]
(buildpath/"fastcomp").install resource("fastcomp")
(buildpath/"fastcomp/tools/clang").install resource("fastcomp-clang")
cmake_args = std_cmake_args.reject { |s| s["CMAKE_INSTALL_PREFIX"] }
cmake_args = [
"-DCMAKE_BUILD_TYPE=Release",
"-DCMAKE_INSTALL_PREFIX=#{libexec}/llvm",
"-DLLVM_TARGETS_TO_BUILD='X86;JSBackend'",
"-DLLVM_INCLUDE_EXAMPLES=OFF",
"-DLLVM_INCLUDE_TESTS=OFF",
"-DCLANG_INCLUDE_TESTS=OFF",
"-DOCAMLFIND=/usr/bin/false",
"-DGO_EXECUTABLE=/usr/bin/false",
]
mkdir "fastcomp/build" do
system "cmake", "..", *cmake_args
system "make"
system "make", "install"
end
%w[em++ em-config emar emcc emcmake emconfigure emlink.py emmake
emranlib emrun emscons].each do |emscript|
bin.install_symlink libexec/emscript
end
end
def caveats; <<~EOS
Manually set LLVM_ROOT to
#{opt_libexec}/llvm/bin
and comment out BINARYEN_ROOT
in ~/.emscripten after running `emcc` for the first time.
EOS
end
test do
system bin/"emcc"
assert_predicate testpath/".emscripten", :exist?, "Failed to create sample config"
end
end