class Root < Formula desc "Object oriented framework for large scale data analysis" homepage "https://root.cern.ch" url "https://root.cern.ch/download/root_v6.12.06.source.tar.gz" version "6.12.06" sha256 "aedcfd2257806e425b9f61b483e25ba600eb0ea606e21262eafaa9dc745aa794" revision 3 head "http://root.cern.ch/git/root.git" bottle do sha256 "ed8481c2e70cfc1e8b3c6db4abb1c5183411bacd1a0ef85d43f2b74f78f0c778" => :high_sierra sha256 "114e5f3770b197f3167ef6fe39f3e59ff3c9e32357c6e506f3ea99390ab8f546" => :sierra sha256 "6ab46e6d06c27b9719baa53857696c97d445b605fcda3a80f3e1ebb893519c99" => :el_capitan end depends_on "cmake" => :build depends_on "davix" depends_on "fftw" depends_on "gcc" # for gfortran. depends_on "graphviz" depends_on "gsl" depends_on "lz4" depends_on "openssl" depends_on "pcre" depends_on "tbb" depends_on "xrootd" depends_on "xz" # For LZMA. depends_on "python" => :recommended depends_on "python@2" => :optional needs :cxx11 skip_clean "bin" def install # Work around "error: no member named 'signbit' in the global namespace" ENV.delete("SDKROOT") if DevelopmentTools.clang_build_version >= 900 # Freetype/afterimage/gl2ps/lz4 are vendored in the tarball, so are fine. # However, this is still permitting the build process to make remote # connections. As a hack, since upstream support it, we inreplace # this file to "encourage" the connection over HTTPS rather than HTTP. inreplace "cmake/modules/SearchInstalledSoftware.cmake", "http://lcgpackages", "https://lcgpackages" args = std_cmake_args + %W[ -Dgnuinstall=ON -DCMAKE_INSTALL_ELISPDIR=#{elisp} -Dbuiltin_freetype=ON -Ddavix=ON -Dfftw3=ON -Dfortran=ON -Dgdml=ON -Dmathmore=ON -Dminuit2=ON -Dmysql=OFF -Droofit=ON -Dssl=ON -Dimt=ON -Dxrootd=ON ] if build.with?("python") && build.with?("python@2") odie "Root: Does not support building both python 2 and 3 wrappers" elsif build.with?("python") || build.with?("python@2") if build.with? "python@2" ENV.prepend_path "PATH", Formula["python@2"].opt_libexec/"bin" python_executable = Utils.popen_read("which python").strip python_version = Language::Python.major_minor_version("python") elsif build.with? "python" python_executable = Utils.popen_read("which python3").strip python_version = Language::Python.major_minor_version("python3") end python_prefix = Utils.popen_read("#{python_executable} -c 'import sys;print(sys.prefix)'").chomp python_include = Utils.popen_read("#{python_executable} -c 'from distutils import sysconfig;print(sysconfig.get_python_inc(True))'").chomp args << "-Dpython=ON" # cmake picks up the system's python dylib, even if we have a brewed one if File.exist? "#{python_prefix}/Python" python_library = "#{python_prefix}/Python" elsif File.exist? "#{python_prefix}/lib/lib#{python_version}.a" python_library = "#{python_prefix}/lib/lib#{python_version}.a" elsif File.exist? "#{python_prefix}/lib/lib#{python_version}.dylib" python_library = "#{python_prefix}/lib/lib#{python_version}.dylib" else odie "No libpythonX.Y.{a,dylib} file found!" end args << "-DPYTHON_EXECUTABLE='#{python_executable}'" args << "-DPYTHON_INCLUDE_DIR='#{python_include}'" args << "-DPYTHON_LIBRARY='#{python_library}'" else args << "-Dpython=OFF" end mkdir "builddir" do system "cmake", "..", *args # Work around superenv stripping out isysroot leading to errors with # libsystem_symptoms.dylib (only available on >= 10.12) and # libsystem_darwin.dylib (only available on >= 10.13) if MacOS.version < :high_sierra system "xcrun", "make", "install" else system "make", "install" end chmod 0755, Dir[bin/"*.*sh"] end end def caveats; <<~EOS Because ROOT depends on several installation-dependent environment variables to function properly, you should add the following commands to your shell initialization script (.bashrc/.profile/etc.), or call them directly before using ROOT. For bash users: . #{HOMEBREW_PREFIX}/bin/thisroot.sh For zsh users: pushd #{HOMEBREW_PREFIX} >/dev/null; . bin/thisroot.sh; popd >/dev/null For csh/tcsh users: source #{HOMEBREW_PREFIX}/bin/thisroot.csh EOS end test do (testpath/"test.C").write <<~EOS #include <iostream> void test() { std::cout << "Hello, world!" << std::endl; } EOS (testpath/"test.bash").write <<~EOS . #{bin}/thisroot.sh root -l -b -n -q test.C EOS assert_equal "\nProcessing test.C...\nHello, world!\n", shell_output("/bin/bash test.bash") if build.with? "python" ENV["PYTHONPATH"] = lib/"root" system "python3", "-c", "import ROOT" end end end