2019-05-01 22:54:31 +00:00
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class GccAT8 < Formula
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desc "GNU compiler collection"
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homepage "https://gcc.gnu.org/"
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url "https://ftp.gnu.org/gnu/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz"
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mirror "https://ftpmirror.gnu.org/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz"
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sha256 "64baadfe6cc0f4947a84cb12d7f0dfaf45bb58b7e92461639596c21e02d97d2c"
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2019-05-08 08:18:46 +00:00
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bottle do
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sha256 "b1e150c72b4c3b7f3493371d71cdb668f691bfee2e998e5b0bf570eed28254d6" => :mojave
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sha256 "9fe980d09d28fa000058afc02efc5b3e1b2d27a636608d337c6d777f8a3e5f24" => :high_sierra
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sha256 "a62506316b82ad0298e13d94921086117536ddf1d72de571a9fcd8d0fa1823ef" => :sierra
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end
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2019-05-01 22:54:31 +00:00
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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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pour_bottle? do
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reason "The bottle needs the Xcode CLT to be installed."
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satisfy { MacOS::CLT.installed? }
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end
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depends_on "gmp"
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depends_on "isl"
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depends_on "libmpc"
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depends_on "mpfr"
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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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# Patch for Xcode bug, taken from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864#c43
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# This should be removed in the next release of GCC if fixed by Apple; this is an xcode bug,
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# but this patch is a work around committed to GCC trunk
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if MacOS::Xcode.version >= "10.2"
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patch do
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url "https://raw.githubusercontent.com/Homebrew/formula-patches/master/gcc/8.3.0-xcode-bug-_Atomic-fix.patch"
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sha256 "33ee92bf678586357ee8ab9d2faddf807e671ad37b97afdd102d5d153d03ca84"
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end
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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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version_suffix = version.to_s.slice(/\d/)
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# Even when suffixes are appended, the info pages conflict when
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# install-info is run so pretend we have an outdated makeinfo
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# to prevent their build.
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ENV["gcc_cv_prog_makeinfo_modern"] = "no"
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# We avoiding building:
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# - Ada, which requires a pre-existing GCC Ada compiler to bootstrap
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# - Go, currently not supported on macOS
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# - BRIG
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languages = %w[c c++ objc obj-c++ fortran]
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osmajor = `uname -r`.split(".").first
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pkgversion = "Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip
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args = %W[
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--build=x86_64-apple-darwin#{osmajor}
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--prefix=#{prefix}
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--libdir=#{lib}/gcc/#{version_suffix}
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--disable-nls
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--enable-checking=release
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--enable-languages=#{languages.join(",")}
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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-isl=#{Formula["isl"].opt_prefix}
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--with-system-zlib
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--with-pkgversion=#{pkgversion}
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--with-bugurl=https://github.com/Homebrew/homebrew-core/issues
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]
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# Xcode 10 dropped 32-bit support
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args << "--disable-multilib" if DevelopmentTools.clang_build_version >= 1000
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# Ensure correct install names when linking against libgcc_s;
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# see discussion in https://github.com/Homebrew/legacy-homebrew/pull/34303
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inreplace "libgcc/config/t-slibgcc-darwin", "@shlib_slibdir@", "#{HOMEBREW_PREFIX}/lib/gcc/#{version_suffix}"
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mkdir "build" do
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if !MacOS::CLT.installed?
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# For Xcode-only systems, we need to tell the sysroot path
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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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elsif MacOS.version >= :mojave
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# System headers are no longer located in /usr/include
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args << "--with-native-system-header-dir=/usr/include"
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args << "--with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
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end
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system "../configure", *args
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# Use -headerpad_max_install_names in the build,
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# otherwise updated load commands won't fit in the Mach-O header.
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# This is needed because `gcc` avoids the superenv shim.
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system "make", "BOOT_LDFLAGS=-Wl,-headerpad_max_install_names"
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system "make", "install"
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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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# Rename man7.
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Dir.glob(man7/"*.7") { |file| add_suffix file, version_suffix }
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# Even when we disable building info pages some are still installed.
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info.rmtree
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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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test do
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(testpath/"hello-c.c").write <<~EOS
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#include <stdio.h>
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int main()
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{
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puts("Hello, world!");
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return 0;
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}
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EOS
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system "#{bin}/gcc-8", "-o", "hello-c", "hello-c.c"
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assert_equal "Hello, world!\n", `./hello-c`
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(testpath/"hello-cc.cc").write <<~EOS
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#include <iostream>
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int main()
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{
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std::cout << "Hello, world!" << std::endl;
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return 0;
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}
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EOS
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system "#{bin}/g++-8", "-o", "hello-cc", "hello-cc.cc"
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assert_equal "Hello, world!\n", `./hello-cc`
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(testpath/"test.f90").write <<~EOS
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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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write(*,"(A)") "Done"
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end
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EOS
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system "#{bin}/gfortran-8", "-o", "test", "test.f90"
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assert_equal "Done\n", `./test`
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end
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end
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