homebrew-core/Formula/gcc@8.rb

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class GccAT8 < Formula
desc "GNU compiler collection"
homepage "https://gcc.gnu.org/"
url "https://ftp.gnu.org/gnu/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz"
mirror "https://ftpmirror.gnu.org/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz"
sha256 "64baadfe6cc0f4947a84cb12d7f0dfaf45bb58b7e92461639596c21e02d97d2c"
2019-05-08 08:18:46 +00:00
bottle do
sha256 "b1e150c72b4c3b7f3493371d71cdb668f691bfee2e998e5b0bf570eed28254d6" => :mojave
sha256 "9fe980d09d28fa000058afc02efc5b3e1b2d27a636608d337c6d777f8a3e5f24" => :high_sierra
sha256 "a62506316b82ad0298e13d94921086117536ddf1d72de571a9fcd8d0fa1823ef" => :sierra
end
# The bottles are built on systems with the CLT installed, and do not work
# out of the box on Xcode-only systems due to an incorrect sysroot.
pour_bottle? do
reason "The bottle needs the Xcode CLT to be installed."
satisfy { MacOS::CLT.installed? }
end
depends_on "gmp"
depends_on "isl"
depends_on "libmpc"
depends_on "mpfr"
# GCC bootstraps itself, so it is OK to have an incompatible C++ stdlib
cxxstdlib_check :skip
# Patch for Xcode bug, taken from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864#c43
# This should be removed in the next release of GCC if fixed by Apple; this is an xcode bug,
# but this patch is a work around committed to GCC trunk
if MacOS::Xcode.version >= "10.2"
patch do
url "https://raw.githubusercontent.com/Homebrew/formula-patches/master/gcc/8.3.0-xcode-bug-_Atomic-fix.patch"
sha256 "33ee92bf678586357ee8ab9d2faddf807e671ad37b97afdd102d5d153d03ca84"
end
end
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
version_suffix = version.to_s.slice(/\d/)
# Even when suffixes are appended, the info pages conflict when
# install-info is run so pretend we have an outdated makeinfo
# to prevent their build.
ENV["gcc_cv_prog_makeinfo_modern"] = "no"
# We avoiding building:
# - Ada, which requires a pre-existing GCC Ada compiler to bootstrap
# - Go, currently not supported on macOS
# - BRIG
languages = %w[c c++ objc obj-c++ fortran]
osmajor = `uname -r`.split(".").first
pkgversion = "Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip
args = %W[
--build=x86_64-apple-darwin#{osmajor}
--prefix=#{prefix}
--libdir=#{lib}/gcc/#{version_suffix}
--disable-nls
--enable-checking=release
--enable-languages=#{languages.join(",")}
--program-suffix=-#{version_suffix}
--with-gmp=#{Formula["gmp"].opt_prefix}
--with-mpfr=#{Formula["mpfr"].opt_prefix}
--with-mpc=#{Formula["libmpc"].opt_prefix}
--with-isl=#{Formula["isl"].opt_prefix}
--with-system-zlib
--with-pkgversion=#{pkgversion}
--with-bugurl=https://github.com/Homebrew/homebrew-core/issues
]
# Xcode 10 dropped 32-bit support
args << "--disable-multilib" if DevelopmentTools.clang_build_version >= 1000
# Ensure correct install names when linking against libgcc_s;
# see discussion in https://github.com/Homebrew/legacy-homebrew/pull/34303
inreplace "libgcc/config/t-slibgcc-darwin", "@shlib_slibdir@", "#{HOMEBREW_PREFIX}/lib/gcc/#{version_suffix}"
mkdir "build" do
if !MacOS::CLT.installed?
# For Xcode-only systems, we need to tell the sysroot path
args << "--with-native-system-header-dir=/usr/include"
args << "--with-sysroot=#{MacOS.sdk_path}"
elsif MacOS.version >= :mojave
# System headers are no longer located in /usr/include
args << "--with-native-system-header-dir=/usr/include"
args << "--with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
end
system "../configure", *args
# Use -headerpad_max_install_names in the build,
# otherwise updated load commands won't fit in the Mach-O header.
# This is needed because `gcc` avoids the superenv shim.
system "make", "BOOT_LDFLAGS=-Wl,-headerpad_max_install_names"
system "make", "install"
end
# Handle conflicts between GCC formulae and avoid interfering
# with system compilers.
# Rename man7.
Dir.glob(man7/"*.7") { |file| add_suffix file, version_suffix }
# Even when we disable building info pages some are still installed.
info.rmtree
end
def add_suffix(file, suffix)
dir = File.dirname(file)
ext = File.extname(file)
base = File.basename(file, ext)
File.rename file, "#{dir}/#{base}-#{suffix}#{ext}"
end
test do
(testpath/"hello-c.c").write <<~EOS
#include <stdio.h>
int main()
{
puts("Hello, world!");
return 0;
}
EOS
system "#{bin}/gcc-8", "-o", "hello-c", "hello-c.c"
assert_equal "Hello, world!\n", `./hello-c`
(testpath/"hello-cc.cc").write <<~EOS
#include <iostream>
int main()
{
std::cout << "Hello, world!" << std::endl;
return 0;
}
EOS
system "#{bin}/g++-8", "-o", "hello-cc", "hello-cc.cc"
assert_equal "Hello, world!\n", `./hello-cc`
(testpath/"test.f90").write <<~EOS
integer,parameter::m=10000
real::a(m), b(m)
real::fact=0.5
do concurrent (i=1:m)
a(i) = a(i) + fact*b(i)
end do
write(*,"(A)") "Done"
end
EOS
system "#{bin}/gfortran-8", "-o", "test", "test.f90"
assert_equal "Done\n", `./test`
end
end