219 lines
7 KiB
Ruby
219 lines
7 KiB
Ruby
require "formula"
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class Gcc < Formula
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def arch
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if Hardware::CPU.type == :intel
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if MacOS.prefer_64_bit?
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"x86_64"
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else
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"i686"
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end
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elsif Hardware::CPU.type == :ppc
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if MacOS.prefer_64_bit?
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"powerpc64"
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else
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"powerpc"
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end
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end
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end
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def osmajor
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`uname -r`.chomp
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end
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homepage "http://gcc.gnu.org"
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url "http://ftpmirror.gnu.org/gcc/gcc-4.9.1/gcc-4.9.1.tar.bz2"
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mirror "ftp://gcc.gnu.org/pub/gcc/releases/gcc-4.9.1/gcc-4.9.1.tar.bz2"
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sha1 "3f303f403053f0ce79530dae832811ecef91197e"
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bottle do
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revision 2
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sha1 "4a7fc491b6487da16089c218f9dda8d23e8656b5" => :mavericks
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sha1 "9e826e179f7f679d1423b8d92d9a647860bd27ae" => :mountain_lion
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sha1 "81d02ad2e353ed804927ee166a1090ebf057c4b3" => :lion
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end
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option "with-java", "Build the gcj compiler"
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option "with-all-languages", "Enable all compilers and languages, except Ada"
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option "with-nls", "Build with native language support (localization)"
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option "without-fortran", "Build without the gfortran compiler"
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# enabling multilib on a host that can't run 64-bit results in build failures
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option "without-multilib", "Build without multilib support" if MacOS.prefer_64_bit?
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depends_on "gmp"
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depends_on "libmpc"
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depends_on "mpfr"
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depends_on "cloog"
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depends_on "isl"
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depends_on "ecj" if build.with?("java") || build.with?("all-languages")
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if MacOS.version < :leopard
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# The as that comes with Tiger isn't capable of dealing with the
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# PPC asm that comes in libitm
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depends_on "cctools" => :build
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end
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fails_with :gcc_4_0
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# GCC bootstraps itself, so it is OK to have an incompatible C++ stdlib
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cxxstdlib_check :skip
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# The bottles are built on systems with the CLT installed, and do not work
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# out of the box on Xcode-only systems due to an incorrect sysroot.
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def pour_bottle?
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MacOS::CLT.installed?
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end
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def version_suffix
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version.to_s.slice(/\d\.\d/)
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end
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# Fix 10.10 issues: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61407
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patch do
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url "https://gcc.gnu.org/bugzilla/attachment.cgi?id=33180"
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sha1 "def0cb036a255175db86f106e2bb9dd66d19b702"
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end
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def install
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# GCC will suffer build errors if forced to use a particular linker.
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ENV.delete "LD"
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if MacOS.version < :leopard
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ENV["AS"] = ENV["AS_FOR_TARGET"] = "#{Formula["cctools"].bin}/as"
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end
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# C, C++, ObjC compilers are always built
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languages = %w[c c++ objc obj-c++]
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# Everything but Ada, which requires a pre-existing GCC Ada compiler
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# (gnat) to bootstrap. GCC 4.6.0 add go as a language option, but it is
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# currently only compilable on Linux.
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languages << "fortran" if build.with?("fortran") || build.with?("all-languages")
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languages << "java" if build.with?("java") || build.with?("all-languages")
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args = [
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"--build=#{arch}-apple-darwin#{osmajor}",
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"--prefix=#{prefix}",
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"--enable-languages=#{languages.join(",")}",
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# Make most executables versioned to avoid conflicts.
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"--program-suffix=-#{version_suffix}",
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"--with-gmp=#{Formula["gmp"].opt_prefix}",
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"--with-mpfr=#{Formula["mpfr"].opt_prefix}",
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"--with-mpc=#{Formula["libmpc"].opt_prefix}",
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"--with-cloog=#{Formula["cloog"].opt_prefix}",
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"--with-isl=#{Formula["isl"].opt_prefix}",
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"--with-system-zlib",
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# This ensures lib, libexec, include are sandboxed so that they
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# don't wander around telling little children there is no Santa
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# Claus.
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"--enable-version-specific-runtime-libs",
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"--enable-libstdcxx-time=yes",
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"--enable-stage1-checking",
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"--enable-checking=release",
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"--enable-lto",
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# A no-op unless --HEAD is built because in head warnings will
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# raise errors. But still a good idea to include.
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"--disable-werror",
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"--with-pkgversion=Homebrew #{name} #{pkg_version} #{build.used_options*" "}".strip,
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"--with-bugurl=https://github.com/Homebrew/homebrew/issues",
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]
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# "Building GCC with plugin support requires a host that supports
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# -fPIC, -shared, -ldl and -rdynamic."
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args << "--enable-plugin" if MacOS.version > :tiger
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# Otherwise make fails during comparison at stage 3
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# See: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45248
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args << "--with-dwarf2" if MacOS.version < :leopard
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args << "--disable-nls" if build.without? "nls"
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if build.with?("java") || build.with?("all-languages")
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args << "--with-ecj-jar=#{Formula["ecj"].opt_prefix}/share/java/ecj.jar"
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end
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if build.without?("multilib") || !MacOS.prefer_64_bit?
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args << "--disable-multilib"
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else
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args << "--enable-multilib"
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end
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mkdir "build" do
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unless MacOS::CLT.installed?
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# For Xcode-only systems, we need to tell the sysroot path.
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# "native-system-header's will be appended
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args << "--with-native-system-header-dir=/usr/include"
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args << "--with-sysroot=#{MacOS.sdk_path}"
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end
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system "../configure", *args
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system "make", "bootstrap"
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system "make", "install"
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if build.with?("fortran") || build.with?("all-languages")
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bin.install_symlink bin/"gfortran-#{version_suffix}" => "gfortran"
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end
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end
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# Handle conflicts between GCC formulae and avoid interfering
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# with system compilers.
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# Since GCC 4.8 libffi stuff are no longer shipped.
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# Rename libiberty.a.
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Dir.glob(prefix/"**/libiberty.*") { |file| add_suffix file, version_suffix }
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# Rename man7.
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Dir.glob(man7/"*.7") { |file| add_suffix file, version_suffix }
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# Even when suffixes are appended, the info pages conflict when
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# install-info is run. TODO fix this.
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info.rmtree
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# Rename java properties
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if build.with?("java") || build.with?("all-languages")
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config_files = [
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"#{lib}/logging.properties",
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"#{lib}/security/classpath.security",
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"#{lib}/i386/logging.properties",
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"#{lib}/i386/security/classpath.security"
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]
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config_files.each do |file|
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add_suffix file, version_suffix if File.exist? file
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end
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end
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end
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def add_suffix file, suffix
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dir = File.dirname(file)
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ext = File.extname(file)
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base = File.basename(file, ext)
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File.rename file, "#{dir}/#{base}-#{suffix}#{ext}"
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end
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def caveats
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if build.with?("multilib") then <<-EOS.undent
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GCC has been built with multilib support. Notably, OpenMP may not work:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60670
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If you need OpenMP support you may want to
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brew reinstall gcc --without-multilib
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EOS
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end
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end
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test do
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if build.with?("fortran") || build.with?("all-languages")
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fixture = <<-EOS.undent
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integer,parameter::m=10000
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real::a(m), b(m)
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real::fact=0.5
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do concurrent (i=1:m)
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a(i) = a(i) + fact*b(i)
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end do
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print *, "done"
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end
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EOS
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(testpath/"in.f90").write(fixture)
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system "#{bin}/gfortran", "-c", "in.f90"
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system "#{bin}/gfortran", "-o", "test", "in.o"
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assert_equal "done", `./test`.strip
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end
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end
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end
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