homebrew-core/Formula/gcc@6.rb
2019-01-25 14:41:36 +00:00

145 lines
4.8 KiB
Ruby

class GccAT6 < Formula
desc "GNU compiler collection"
homepage "https://gcc.gnu.org"
url "https://ftp.gnu.org/gnu/gcc/gcc-6.5.0/gcc-6.5.0.tar.xz"
mirror "https://ftpmirror.gnu.org/gcc/gcc-6.5.0/gcc-6.5.0.tar.xz"
sha256 "7ef1796ce497e89479183702635b14bb7a46b53249209a5e0f999bebf4740945"
bottle do
sha256 "c4547a5c70b310be136aa3ae73a2dda4f0ef8a63b0759edd3849fbddb0770eb6" => :mojave
sha256 "accf373b135a7706229b43ebd4700fb624b97e808b1e5a89ad909c09bf665bac" => :high_sierra
sha256 "48ddb4694880979a3ba4b5850eae61a072df5caf6caa1944da43662697b43edc" => :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
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
# C, C++, ObjC, Fortran compilers are always built
languages = %w[c c++ objc obj-c++ fortran]
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# install-info is run so pretend we have an outdated makeinfo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"
osmajor = `uname -r`.chomp
args = [
"--build=x86_64-apple-darwin#{osmajor}",
"--prefix=#{prefix}",
"--libdir=#{lib}/gcc/#{version_suffix}",
"--enable-languages=#{languages.join(",")}",
# Make most executables versioned to avoid conflicts.
"--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",
"--enable-stage1-checking",
"--enable-checking=release",
"--enable-lto",
# Use 'bootstrap-debug' build configuration to force stripping of object
# files prior to comparison during bootstrap (broken by Xcode 6.3).
"--with-build-config=bootstrap-debug",
"--disable-werror",
"--with-pkgversion=Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip,
"--with-bugurl=https://github.com/Homebrew/homebrew-core/issues",
"--disable-nls",
]
# 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/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
system "make", "bootstrap"
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-6", "-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++-6", "-o", "hello-cc", "hello-cc.cc"
assert_equal "Hello, world!\n", `./hello-cc`
fixture = <<~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
print *, "done"
end
EOS
(testpath/"in.f90").write(fixture)
system "#{bin}/gfortran-6", "-o", "test", "in.f90"
assert_equal "done", `./test`.strip
end
end