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class Gcc < Formula
def arch
if Hardware::CPU.type == :intel
if MacOS.prefer_64_bit?
"x86_64"
else
"i686"
end
elsif Hardware::CPU.type == :ppc
if MacOS.prefer_64_bit?
"powerpc64"
else
"powerpc"
end
end
end
def osmajor
`uname -r`.chomp
end
homepage "http://gcc.gnu.org"
url "http://ftpmirror.gnu.org/gcc/gcc-4.9.2/gcc-4.9.2.tar.bz2"
mirror "ftp://gcc.gnu.org/pub/gcc/releases/gcc-4.9.2/gcc-4.9.2.tar.bz2"
sha1 "79dbcb09f44232822460d80b033c962c0237c6d8"
revision 1
bottle do
revision 1
sha256 "4e8d95ce716ec056ee6e29271aa9121f23e535678365e5e075aeda49249d76f0" => :yosemite
sha256 "710d0d5462900da808596940d81aee9ac14c4c25f38f6008051577497d70df44" => :mavericks
sha256 "c4d9704632d46fc1ec8e505185f95ce42b69fb12d9644dd894c420f72fb55c29" => :mountain_lion
end
option "with-java", "Build the gcj compiler"
option "with-all-languages", "Enable all compilers and languages, except Ada"
option "with-nls", "Build with native language support (localization)"
option "without-fortran", "Build without the gfortran compiler"
# enabling multilib on a host that can't run 64-bit results in build failures
option "without-multilib", "Build without multilib support" if MacOS.prefer_64_bit?
depends_on "gmp"
depends_on "libmpc"
depends_on "mpfr"
depends_on "cloog"
depends_on "isl"
depends_on "ecj" if build.with?("java") || build.with?("all-languages")
if MacOS.version < :leopard
# The as that comes with Tiger isn't capable of dealing with the
# PPC asm that comes in libitm
depends_on "cctools" => :build
end
fails_with :gcc_4_0
fails_with :llvm
# GCC bootstraps itself, so it is OK to have an incompatible C++ stdlib
cxxstdlib_check :skip
# 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.
def pour_bottle?
MacOS::CLT.installed?
end
def version_suffix
version.to_s.slice(/\d\.\d/)
end
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
if MacOS.version < :leopard
ENV["AS"] = ENV["AS_FOR_TARGET"] = "#{Formula["cctools"].bin}/as"
end
# C, C++, ObjC compilers are always built
languages = %w[c c++ objc obj-c++]
# Everything but Ada, which requires a pre-existing GCC Ada compiler
# (gnat) to bootstrap. GCC 4.6.0 add go as a language option, but it is
# currently only compilable on Linux.
languages << "fortran" if build.with?("fortran") || build.with?("all-languages")
languages << "java" if build.with?("java") || build.with?("all-languages")
args = [
"--build=#{arch}-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-cloog=#{Formula["cloog"].opt_prefix}",
"--with-isl=#{Formula["isl"].opt_prefix}",
"--with-system-zlib",
"--enable-libstdcxx-time=yes",
"--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",
# A no-op unless --HEAD is built because in head warnings will
# raise errors. But still a good idea to include.
"--disable-werror",
"--with-pkgversion=Homebrew #{name} #{pkg_version} #{build.used_options*" "}".strip,
"--with-bugurl=https://github.com/Homebrew/homebrew/issues",
]
# "Building GCC with plugin support requires a host that supports
# -fPIC, -shared, -ldl and -rdynamic."
args << "--enable-plugin" if MacOS.version > :tiger
# Otherwise make fails during comparison at stage 3
# See: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45248
args << "--with-dwarf2" if MacOS.version < :leopard
args << "--disable-nls" if build.without? "nls"
if build.with?("java") || build.with?("all-languages")
args << "--with-ecj-jar=#{Formula["ecj"].opt_share}/java/ecj.jar"
end
if build.without?("multilib") || !MacOS.prefer_64_bit?
args << "--disable-multilib"
else
args << "--enable-multilib"
end
# 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
unless MacOS::CLT.installed?
# For Xcode-only systems, we need to tell the sysroot path.
# "native-system-header's will be appended
args << "--with-native-system-header-dir=/usr/include"
args << "--with-sysroot=#{MacOS.sdk_path}"
end
system "../configure", *args
system "make", "bootstrap"
system "make", "install"
if build.with?("fortran") || build.with?("all-languages")
bin.install_symlink bin/"gfortran-#{version_suffix}" => "gfortran"
end
end
# Handle conflicts between GCC formulae and avoid interfering
# with system compilers.
# Since GCC 4.8 libffi stuff are no longer shipped.
# Rename man7.
Dir.glob(man7/"*.7") { |file| add_suffix file, version_suffix }
# Even when suffixes are appended, the info pages conflict when
# install-info is run. TODO fix this.
info.rmtree
# Rename java properties
if build.with?("java") || build.with?("all-languages")
config_files = [
"#{lib}/gcc/#{version_suffix}/logging.properties",
"#{lib}/gcc/#{version_suffix}/security/classpath.security",
"#{lib}/gcc/#{version_suffix}/i386/logging.properties",
"#{lib}/gcc/#{version_suffix}/i386/security/classpath.security",
]
config_files.each do |file|
add_suffix file, version_suffix if File.exist? file
end
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
def caveats
if build.with?("multilib") then <<-EOS.undent
GCC has been built with multilib support. Notably, OpenMP may not work:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60670
If you need OpenMP support you may want to
brew reinstall gcc --without-multilib
EOS
end
end
test do
(testpath/"hello-c.c").write <<-EOS.undent
#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.undent
#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`
if build.with?("fortran") || build.with?("all-languages")
fixture = <<-EOS.undent
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", "-c", "in.f90"
system "#{bin}/gfortran", "-o", "test", "in.o"
assert_equal "done", `./test`.strip
end
end
end
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