homebrew-core/Formula/gcc.rb

153 lines
4.6 KiB
Ruby

class Gcc < Formula
desc "GNU compiler collection"
homepage "https://gcc.gnu.org/"
url "https://ftp.gnu.org/gnu/gcc/gcc-9.3.0/gcc-9.3.0.tar.xz"
mirror "https://ftpmirror.gnu.org/gcc/gcc-9.3.0/gcc-9.3.0.tar.xz"
sha256 "71e197867611f6054aa1119b13a0c0abac12834765fe2d81f35ac57f84f742d1"
revision 1
head "https://gcc.gnu.org/git/gcc.git"
bottle do
sha256 "57e53d66ad43fe05b5a2f93d6a7cfd472713ac03e9d9c9d0d0187cdc7a273153" => :catalina
sha256 "de8319322428721741a0dc41dfdf2eece80e0215a7a4a861e0e206a9bfbca583" => :mojave
sha256 "e50b9cfee063619515a8f164485b3f730077f21b49b7bb30cc5a600ddf577a83" => :high_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"
uses_from_macos "zlib"
# GCC bootstraps itself, so it is OK to have an incompatible C++ stdlib
cxxstdlib_check :skip
def version_suffix
if build.head?
"HEAD"
else
version.to_s.slice(/\d/)
end
end
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
# 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
# System headers may not be in /usr/include
sdk = MacOS.sdk_path_if_needed
if sdk
args << "--with-native-system-header-dir=/usr/include"
args << "--with-sysroot=#{sdk}"
end
# Avoid reference to sed shim
args << "SED=/usr/bin/sed"
# 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
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"
bin.install_symlink bin/"gfortran-#{version_suffix}" => "gfortran"
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-#{version_suffix}", "-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++-#{version_suffix}", "-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", "-o", "test", "test.f90"
assert_equal "Done\n", `./test`
end
end