homebrew-core/Formula/emscripten.rb
2017-01-14 17:54:13 -08:00

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/1.37.1.tar.gz"
sha256 "f553e7e5ab3611501b0478513f6d96f343027b04bd0317bb2c7239ebbfddf523"
emscripten_tag = version.to_s
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp/archive/#{emscripten_tag}.tar.gz"
sha256 "e73d8852d78aa466519d2fc4dc902a2069e0e7cc3cc0446bb0264133c7e9c5c9"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang/archive/#{emscripten_tag}.tar.gz"
sha256 "d7c8761652eafca1eaec0484f6021c14a5e6fbfc922d0b2551e37be458e39c8d"
end
end
bottle do
cellar :any
sha256 "dcffc8f923f474ed0d8ce48b67eafceeea3342903a950f76f43c130130e2683f" => :sierra
sha256 "4fdcb331fcc82c2c8721d04895f0d261db5dfc9728c92466bfeb8066dd3aa1af" => :el_capitan
sha256 "ec5ca32b012b0ff952d08872e2cf2bbb41c1e6011ab7173c6bf2c3028503e37f" => :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 comment out BINARYEN_ROOT
in ~/.emscripten after running `emcc` for the first time.
EOS
end
test do
system "#{libexec}/llvm/bin/llvm-config", "--version"
end
end