homebrew-core/Formula/emscripten.rb
2016-11-12 14:22:33 +00:00

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/1.36.14.tar.gz"
sha256 "89febe6c56c36ded3a6323d40342196d961eb1a7878b32912a649734962cb5ee"
emscripten_tag = version.to_s
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp/archive/#{emscripten_tag}.tar.gz"
sha256 "3fc361151790574c7dfe4466a32dcb505abc930cf48dd941463880924228a3d5"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang/archive/#{emscripten_tag}.tar.gz"
sha256 "d33574f378acde198a2407a88cfa2725d8853dee535f982ec5fac92b4180f3aa"
end
end
bottle do
cellar :any
sha256 "3ba028cdf213d7b16a5e3e02cdc56ee764b9c33ba766dc8b92f4fff1776c6a71" => :sierra
sha256 "677061138bcf255c8477cc0d7e7b5a28ef06a08fcf648caf4f94fe59c49bcfe3" => :el_capitan
sha256 "b6002584df9beb35ac3d64503fc936c2d666b302a5dd5a980a47efccfa8de760" => :yosemite
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 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.undent
Manually set LLVM_ROOT to
#{opt_libexec}/llvm/bin
and uncomment BINARYEN_ROOT
in ~/.emscripten after running `emcc` for the first time.
EOS
end
test do
system "#{libexec}/llvm/bin/llvm-config", "--version"
end
end