153 lines
4.6 KiB
Ruby
153 lines
4.6 KiB
Ruby
class Gcc < 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-9.3.0/gcc-9.3.0.tar.xz"
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mirror "https://ftpmirror.gnu.org/gcc/gcc-9.3.0/gcc-9.3.0.tar.xz"
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sha256 "71e197867611f6054aa1119b13a0c0abac12834765fe2d81f35ac57f84f742d1"
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revision 1
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head "https://gcc.gnu.org/git/gcc.git"
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bottle do
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sha256 "57e53d66ad43fe05b5a2f93d6a7cfd472713ac03e9d9c9d0d0187cdc7a273153" => :catalina
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sha256 "de8319322428721741a0dc41dfdf2eece80e0215a7a4a861e0e206a9bfbca583" => :mojave
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sha256 "e50b9cfee063619515a8f164485b3f730077f21b49b7bb30cc5a600ddf577a83" => :high_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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uses_from_macos "zlib"
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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 version_suffix
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if build.head?
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"HEAD"
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else
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version.to_s.slice(/\d/)
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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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# 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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# System headers may not be in /usr/include
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sdk = MacOS.sdk_path_if_needed
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if sdk
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args << "--with-native-system-header-dir=/usr/include"
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args << "--with-sysroot=#{sdk}"
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end
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# Avoid reference to sed shim
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args << "SED=/usr/bin/sed"
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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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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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bin.install_symlink bin/"gfortran-#{version_suffix}" => "gfortran"
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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-#{version_suffix}", "-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++-#{version_suffix}", "-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", "-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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