145 lines
4.8 KiB
Ruby
145 lines
4.8 KiB
Ruby
class GccAT6 < 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-6.5.0/gcc-6.5.0.tar.xz"
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mirror "https://ftpmirror.gnu.org/gcc/gcc-6.5.0/gcc-6.5.0.tar.xz"
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sha256 "7ef1796ce497e89479183702635b14bb7a46b53249209a5e0f999bebf4740945"
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bottle do
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sha256 "c4547a5c70b310be136aa3ae73a2dda4f0ef8a63b0759edd3849fbddb0770eb6" => :mojave
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sha256 "accf373b135a7706229b43ebd4700fb624b97e808b1e5a89ad909c09bf665bac" => :high_sierra
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sha256 "48ddb4694880979a3ba4b5850eae61a072df5caf6caa1944da43662697b43edc" => :sierra
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end
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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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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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# C, C++, ObjC, Fortran compilers are always built
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languages = %w[c c++ objc obj-c++ fortran]
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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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osmajor = `uname -r`.chomp
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args = [
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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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"--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-isl=#{Formula["isl"].opt_prefix}",
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"--with-system-zlib",
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"--enable-stage1-checking",
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"--enable-checking=release",
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"--enable-lto",
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# Use 'bootstrap-debug' build configuration to force stripping of object
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# files prior to comparison during bootstrap (broken by Xcode 6.3).
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"--with-build-config=bootstrap-debug",
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"--disable-werror",
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"--with-pkgversion=Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip,
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"--with-bugurl=https://github.com/Homebrew/homebrew-core/issues",
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"--disable-nls",
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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/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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system "make", "bootstrap"
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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-6", "-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++-6", "-o", "hello-cc", "hello-cc.cc"
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assert_equal "Hello, world!\n", `./hello-cc`
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fixture = <<~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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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-6", "-o", "test", "in.f90"
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assert_equal "done", `./test`.strip
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end
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end
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