297 lines
10 KiB
Ruby
297 lines
10 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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if Hardware::CPU.arm?
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# Branch from the Darwin maintainer of GCC with Apple Silicon support,
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# located at https://github.com/iains/gcc-darwin-arm64 and
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# backported with his help to gcc-11 branch. Too big for a patch.
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url "https://github.com/fxcoudert/gcc/archive/refs/tags/gcc-11.1.0-arm-20210504.tar.gz"
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sha256 "ce862b4a4bdc8f36c9240736d23cd625a48af82c2332d2915df0e16e1609a74c"
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version "11.2.0"
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else
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url "https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz"
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mirror "https://ftpmirror.gnu.org/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz"
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sha256 "d08edc536b54c372a1010ff6619dd274c0f1603aa49212ba20f7aa2cda36fa8b"
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end
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license "GPL-3.0-or-later" => { with: "GCC-exception-3.1" }
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head "https://gcc.gnu.org/git/gcc.git"
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# We can't use `url :stable` here due to the ARM-specific branch above.
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livecheck do
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url "https://ftp.gnu.org/gnu/gcc/"
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regex(%r{href=["']?gcc[._-]v?(\d+(?:\.\d+)+)(?:/?["' >]|\.t)}i)
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end
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bottle do
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sha256 arm64_big_sur: "23ec727fa684a9f65cf9f55d61d208486d5202fb6112585a01426ac636724e56"
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sha256 big_sur: "da675b722172d8866c8c3eed38a107ebdb7fb8c5e9a9a8589382d5537b38c925"
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sha256 catalina: "79ce1258429ea2a7150e3dd6e517753ecb3b53724f79143ef559f5eb9f955a88"
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sha256 mojave: "54a56a9e9d4e27353cfa3871048581385fd6591b63baddfaa79b57f999ffc33e"
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sha256 x86_64_linux: "7e46b50b4988c2391eb1a10bbf9b490a0f37037782e85c69188da90f419f74aa"
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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? only_if: :clt_installed
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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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depends_on "zstd"
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uses_from_macos "zlib"
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on_linux do
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depends_on "binutils"
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end
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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.major.to_s
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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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languages << "d" if Hardware::CPU.intel?
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pkgversion = "Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip
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cpu = Hardware::CPU.arm? ? "aarch64" : "x86_64"
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args = %W[
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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-zstd=#{Formula["zstd"].opt_prefix}
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--with-pkgversion=#{pkgversion}
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--with-bugurl=#{tap.issues_url}
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]
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# libphobos is part of gdc
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args << "--enable-libphobos" if Hardware::CPU.intel?
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on_macos do
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args << "--build=#{cpu}-apple-darwin#{OS.kernel_version.major}"
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args << "--with-system-zlib"
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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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# Workaround for Xcode 12.5 bug on Intel
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100340
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args << "--without-build-config" if Hardware::CPU.intel? && DevelopmentTools.clang_build_version >= 1205
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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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# 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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end
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on_linux do
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# Fix cc1: error while loading shared libraries: libisl.so.15
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args << "--with-boot-ldflags=-static-libstdc++ -static-libgcc #{ENV["LDFLAGS"]}"
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# Fix Linux error: gnu/stubs-32.h: No such file or directory.
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args << "--disable-multilib"
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# Change the default directory name for 64-bit libraries to `lib`
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# https://stackoverflow.com/a/54038769
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inreplace "gcc/config/i386/t-linux64", "m64=../lib64", "m64="
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end
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mkdir "build" do
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system "../configure", *args
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on_macos do
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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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on_linux do
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system "make"
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system "make", "install-strip"
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end
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bin.install_symlink bin/"gfortran-#{version_suffix}" => "gfortran"
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bin.install_symlink bin/"gdc-#{version_suffix}" => "gdc" if Hardware::CPU.intel?
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on_linux do
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# Only the newest brewed gcc should install gfortan libs as we can only have one.
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lib.install_symlink Dir[lib/"gcc/#{version_suffix}/libgfortran.*"]
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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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# 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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def post_install
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on_linux do
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gcc = bin/"gcc-#{version_suffix}"
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libgcc = Pathname.new(Utils.safe_popen_read(gcc, "-print-libgcc-file-name")).parent
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raise "command failed: #{gcc} -print-libgcc-file-name" if $CHILD_STATUS.exitstatus.nonzero?
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glibc = Formula["glibc"]
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glibc_installed = glibc.any_version_installed?
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# Symlink system crt1.o and friends where gcc can find it.
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crtdir = if glibc_installed
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glibc.opt_lib
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else
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Pathname.new(Utils.safe_popen_read("/usr/bin/cc", "-print-file-name=crti.o")).parent
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end
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ln_sf Dir[crtdir/"*crt?.o"], libgcc
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# Create the GCC specs file
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# See https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html
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# Locate the specs file
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specs = libgcc/"specs"
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ohai "Creating the GCC specs file: #{specs}"
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specs_orig = Pathname.new("#{specs}.orig")
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rm_f [specs_orig, specs]
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system_header_dirs = ["#{HOMEBREW_PREFIX}/include"]
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if glibc_installed
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# https://github.com/Linuxbrew/brew/issues/724
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system_header_dirs << glibc.opt_include
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else
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# Locate the native system header dirs if user uses system glibc
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target = Utils.safe_popen_read(gcc, "-print-multiarch").chomp
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raise "command failed: #{gcc} -print-multiarch" if $CHILD_STATUS.exitstatus.nonzero?
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system_header_dirs += ["/usr/include/#{target}", "/usr/include"]
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end
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# Save a backup of the default specs file
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specs_string = Utils.safe_popen_read(gcc, "-dumpspecs")
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raise "command failed: #{gcc} -dumpspecs" if $CHILD_STATUS.exitstatus.nonzero?
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specs_orig.write specs_string
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# Set the library search path
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# For include path:
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# * `-isysroot #{HOMEBREW_PREFIX}/nonexistent` prevents gcc searching built-in
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# system header files.
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# * `-idirafter <dir>` instructs gcc to search system header
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# files after gcc internal header files.
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# For libraries:
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# * `-nostdlib -L#{libgcc}` instructs gcc to use brewed glibc
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# if applied.
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# * `-L#{libdir}` instructs gcc to find the corresponding gcc
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# libraries. It is essential if there are multiple brewed gcc
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# with different versions installed.
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# Noted that it should only be passed for the `gcc@*` formulae.
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# * `-L#{HOMEBREW_PREFIX}/lib` instructs gcc to find the rest
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# brew libraries.
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libdir = HOMEBREW_PREFIX/"lib/gcc/#{version_suffix}"
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specs.write specs_string + <<~EOS
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*cpp_unique_options:
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+ -isysroot #{HOMEBREW_PREFIX}/nonexistent #{system_header_dirs.map { |p| "-idirafter #{p}" }.join(" ")}
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*link_libgcc:
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#{glibc_installed ? "-nostdlib -L#{libgcc}" : "+"} -L#{libdir} -L#{HOMEBREW_PREFIX}/lib
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*link:
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+ --dynamic-linker #{HOMEBREW_PREFIX}/lib/ld.so -rpath #{libdir} -rpath #{HOMEBREW_PREFIX}/lib
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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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(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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struct exception { };
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int main()
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{
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std::cout << "Hello, world!" << std::endl;
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try { throw exception{}; }
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catch (exception) { }
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catch (...) { }
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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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if Hardware::CPU.intel?
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(testpath/"hello_d.d").write <<~EOS
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import std.stdio;
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int main()
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{
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writeln("Hello, world!");
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return 0;
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}
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EOS
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system "#{bin}/gdc-#{version_suffix}", "-o", "hello-d", "hello_d.d"
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assert_equal "Hello, world!\n", `./hello-d`
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end
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end
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end
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