homebrew-core/Formula/gcc@9.rb

257 lines
8.8 KiB
Ruby

class GccAT9 < Formula
desc "GNU compiler collection"
homepage "https://gcc.gnu.org/"
url "https://ftp.gnu.org/gnu/gcc/gcc-9.5.0/gcc-9.5.0.tar.xz"
mirror "https://ftpmirror.gnu.org/gcc/gcc-9.5.0/gcc-9.5.0.tar.xz"
sha256 "27769f64ef1d4cd5e2be8682c0c93f9887983e6cfd1a927ce5a0a2915a95cf8f"
license "GPL-3.0-or-later" => { with: "GCC-exception-3.1" }
livecheck do
url :stable
regex(%r{href=.*?gcc[._-]v?(9(?:\.\d+)+)(?:/?["' >]|\.t)}i)
end
bottle do
sha256 monterey: "9aa22339b3002ae9b3bde3ed9034238d80b07cff4a5c3c60f3f3653f52c55ce3"
sha256 big_sur: "ea000947da4131b653f137e3e275c061b34d7faa6b961896ecabc3717009df32"
sha256 catalina: "464e3f7571feace6ab25eb79e10c5a882656f26cb83b07b4052020da152e0d96"
sha256 cellar: :any_skip_relocation, x86_64_linux: "b42b21daea2631464b36bdb47c6fe99ed6f14e0fab563c89857d13b1466f4b40"
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? only_if: :clt_installed
depends_on arch: :x86_64
depends_on "gmp"
depends_on "isl"
depends_on "libmpc"
depends_on "mpfr"
uses_from_macos "zlib"
on_linux do
depends_on "binutils"
end
# GCC bootstraps itself, so it is OK to have an incompatible C++ stdlib
cxxstdlib_check :skip
def version_suffix
version.major.to_s
end
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
# 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# install-info is run so pretend we have an outdated makeinfo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]
pkgversion = "Homebrew GCC #{pkg_version} #{build.used_options*" "}".strip
args = %W[
--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-pkgversion=#{pkgversion}
--with-bugurl=#{tap.issues_url}
]
if OS.mac?
args << "--build=x86_64-apple-darwin#{OS.kernel_version.major}"
args << "--with-system-zlib"
# Xcode 10 dropped 32-bit support
args << "--disable-multilib" if DevelopmentTools.clang_build_version >= 1000
# Workaround for Xcode 12.5 bug on Intel
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100340
args << "--without-build-config" if Hardware::CPU.intel? && DevelopmentTools.clang_build_version >= 1205
# 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
# 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}"
else
# Fix Linux error: gnu/stubs-32.h: No such file or directory.
args << "--disable-multilib"
# Change the default directory name for 64-bit libraries to `lib`
# https://www.linuxfromscratch.org/lfs/view/development/chapter06/gcc-pass2.html
inreplace "gcc/config/i386/t-linux64", "m64=../lib64", "m64="
end
mkdir "build" do
system "../configure", *args
if OS.mac?
# 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"
else
system "make"
system "make", "install-strip"
end
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
# Work around GCC install bug
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105664
rm_rf Dir[bin/"*-gcc-tmp"]
end
def post_install
if OS.linux?
gcc = bin/"gcc-#{version_suffix}"
libgcc = Pathname.new(Utils.safe_popen_read(gcc, "-print-libgcc-file-name")).parent
raise "command failed: #{gcc} -print-libgcc-file-name" if $CHILD_STATUS.exitstatus.nonzero?
glibc = Formula["glibc"]
glibc_installed = glibc.any_version_installed?
# Symlink crt1.o and friends where gcc can find it.
crtdir = if glibc_installed
glibc.opt_lib
else
Pathname.new(Utils.safe_popen_read("/usr/bin/cc", "-print-file-name=crti.o")).parent
end
ln_sf Dir[crtdir/"*crt?.o"], libgcc
# Create the GCC specs file
# See https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html
# Locate the specs file
specs = libgcc/"specs"
ohai "Creating the GCC specs file: #{specs}"
specs_orig = Pathname.new("#{specs}.orig")
rm_f [specs_orig, specs]
system_header_dirs = ["#{HOMEBREW_PREFIX}/include"]
if glibc_installed
# https://github.com/Linuxbrew/brew/issues/724
system_header_dirs << glibc.opt_include
else
# Locate the native system header dirs if user uses system glibc
target = Utils.safe_popen_read(gcc, "-print-multiarch").chomp
raise "command failed: #{gcc} -print-multiarch" if $CHILD_STATUS.exitstatus.nonzero?
system_header_dirs += ["/usr/include/#{target}", "/usr/include"]
end
# Save a backup of the default specs file
specs_string = Utils.safe_popen_read(gcc, "-dumpspecs")
raise "command failed: #{gcc} -dumpspecs" if $CHILD_STATUS.exitstatus.nonzero?
specs_orig.write specs_string
# Set the library search path
# For include path:
# * `-isysroot #{HOMEBREW_PREFIX}/nonexistent` prevents gcc searching built-in
# system header files.
# * `-idirafter <dir>` instructs gcc to search system header
# files after gcc internal header files.
# For libraries:
# * `-nostdlib -L#{libgcc} -L#{glibc.opt_lib}` instructs gcc to use brewed glibc
# if applied.
# * `-L#{libdir}` instructs gcc to find the corresponding gcc
# libraries. It is essential if there are multiple brewed gcc
# with different versions installed.
# Noted that it should only be passed for the `gcc@*` formulae.
# * `-L#{HOMEBREW_PREFIX}/lib` instructs gcc to find the rest
# brew libraries.
libdir = HOMEBREW_PREFIX/"lib/gcc/#{version_suffix}"
specs.write specs_string + <<~EOS
*cpp_unique_options:
+ -isysroot #{HOMEBREW_PREFIX}/nonexistent #{system_header_dirs.map { |p| "-idirafter #{p}" }.join(" ")}
*link_libgcc:
#{glibc_installed ? "-nostdlib -L#{libgcc} -L#{glibc.opt_lib}" : "+"} -L#{libdir} -L#{HOMEBREW_PREFIX}/lib
*link:
+ --dynamic-linker #{HOMEBREW_PREFIX}/lib/ld.so -rpath #{libdir} -rpath #{HOMEBREW_PREFIX}/lib
EOS
end
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.major}", "-o", "hello-c", "hello-c.c"
assert_equal "Hello, world!\n", `./hello-c`
(testpath/"hello-cc.cc").write <<~EOS
#include <iostream>
struct exception { };
int main()
{
std::cout << "Hello, world!" << std::endl;
try { throw exception{}; }
catch (exception) { }
catch (...) { }
return 0;
}
EOS
system "#{bin}/g++-#{version.major}", "-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-#{version.major}", "-o", "test", "test.f90"
assert_equal "Done\n", `./test`
end
end