homebrew-core/Formula/emscripten.rb

105 lines
3.3 KiB
Ruby

require "language/node"
class Emscripten < Formula
desc "LLVM bytecode to JavaScript compiler"
homepage "https://emscripten.org/"
# Emscripten is available under 2 licenses, the MIT license and the
# University of Illinois/NCSA Open Source License.
license "MIT"
stable do
url "https://github.com/emscripten-core/emscripten/archive/1.39.20.tar.gz"
sha256 "379138716c8b8858a13f9bd993e51f8ef20c182a9fa3320072d783da5bf5f80c"
resource "fastcomp" do
url "https://github.com/emscripten-core/emscripten-fastcomp/archive/1.39.20.tar.gz"
sha256 "ded36b5fbac863a48c15161157ef4481ea767b43cf2d6791f502223f016e96eb"
end
resource "fastcomp-clang" do
url "https://github.com/emscripten-core/emscripten-fastcomp-clang/archive/1.39.20.tar.gz"
sha256 "26a07d8b5e7ec6cbfd77cdee3d8fc8a644d0166244a0beb68e104fd7dd8d1ede"
end
end
bottle do
cellar :any
sha256 "1c4d040a8bf64d3c8ba9694e63508c1a01c44d83bbae37d7fd8a166cd1638a68" => :catalina
sha256 "3e8c66def035c7e7eea99d11f0c37ae6b18c1c88fe5ce070bc7660762f2e6727" => :mojave
sha256 "5932fbf012e72a11c25ffac6d9850fb20b12a266bee96f3f54bff2be5554d96f" => :high_sierra
end
head do
url "https://github.com/emscripten-core/emscripten.git", branch: "incoming"
resource "fastcomp" do
url "https://github.com/emscripten-core/emscripten-fastcomp.git", branch: "incoming"
end
resource "fastcomp-clang" do
url "https://github.com/emscripten-core/emscripten-fastcomp-clang.git", branch: "incoming"
end
end
depends_on "cmake" => :build
depends_on "binaryen"
depends_on "node"
depends_on "python@3.8"
depends_on "yuicompressor"
def install
ENV.cxx11
# 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
cd libexec do
system "npm", "install", *Language::Node.local_npm_install_args
rm_f "node_modules/ws/builderror.log" # Avoid references to Homebrew shims
end
%w[em++ em-config emar emcc emcmake emconfigure emlink.py emmake
emranlib emrun emscons].each do |emscript|
(bin/emscript).write_env_script libexec/emscript, PYTHON: Formula["python@3.8"].opt_bin/"python3"
end
end
def caveats
<<~EOS
Manually set LLVM_ROOT to
#{opt_libexec}/llvm/bin
and BINARYEN_ROOT to
#{Formula["binaryen"].opt_prefix}
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