homebrew-core/Formula/libgccjit.rb

153 lines
5.7 KiB
Ruby

class Libgccjit < Formula
desc "JIT library for the GNU compiler collection"
homepage "https://gcc.gnu.org/"
url "https://ftp.gnu.org/gnu/gcc/gcc-10.2.0/gcc-10.2.0.tar.xz"
sha256 "b8dd4368bb9c7f0b98188317ee0254dd8cc99d1e3a18d0ff146c855fe16c1d8c"
license "GPL-3.0-or-later" => {
with: "GCC-exception-3.1",
}
head "https://gcc.gnu.org/git/gcc.git"
livecheck do
url :stable
regex(%r{href=.*?gcc[._-]v?(\d+(?:\.\d+)+)(?:/?["' >]|\.t)}i)
end
bottle do
sha256 "4cf030080128753ca81ef1fd8a719435902b9153bc6549e6fa6cdafecebb2f49" => :catalina
sha256 "af284969d6667e78eb576672a76ad80e7c23979cfdf91b3daad6873521aed1ba" => :mojave
sha256 "c42884567811a2aae043a8fa44cbefe71da5bf2309e5e1489a22034b65736a19" => :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 "gcc" => :test
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 install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete "LD"
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.major}
--disable-nls
--enable-checking=release
--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"
# 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.
make_args = ["BOOT_LDFLAGS=-Wl,-headerpad_max_install_names"]
# Building jit needs --enable-host-shared, which slows down the compiler.
mkdir "build-jit" do
system "../configure", *args, "--enable-languages=jit", "--enable-host-shared"
system "make", *make_args
system "make", "install"
end
# We only install the relevant libgccjit files from libexec and delete the rest.
Dir["#{prefix}/**/*"].each do |f|
rm_rf f unless File.directory?(f) || File.basename(f).to_s.start_with?("libgccjit")
end
end
test do
(testpath/"test-libgccjit.c").write <<~EOS
#include <libgccjit.h>
#include <stdlib.h>
#include <stdio.h>
static void create_code (gcc_jit_context *ctxt) {
gcc_jit_type *void_type = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
gcc_jit_type *const_char_ptr_type = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_CONST_CHAR_PTR);
gcc_jit_param *param_name = gcc_jit_context_new_param (ctxt, NULL, const_char_ptr_type, "name");
gcc_jit_function *func = gcc_jit_context_new_function (ctxt, NULL, GCC_JIT_FUNCTION_EXPORTED,
void_type, "greet", 1, &param_name, 0);
gcc_jit_param *param_format = gcc_jit_context_new_param (ctxt, NULL, const_char_ptr_type, "format");
gcc_jit_function *printf_func = gcc_jit_context_new_function (ctxt, NULL, GCC_JIT_FUNCTION_IMPORTED,
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT), "printf", 1, &param_format, 1);
gcc_jit_rvalue *args[2];
args[0] = gcc_jit_context_new_string_literal (ctxt, "hello %s");
args[1] = gcc_jit_param_as_rvalue (param_name);
gcc_jit_block *block = gcc_jit_function_new_block (func, NULL);
gcc_jit_block_add_eval (block, NULL, gcc_jit_context_new_call (ctxt, NULL, printf_func, 2, args));
gcc_jit_block_end_with_void_return (block, NULL);
}
int main (int argc, char **argv) {
gcc_jit_context *ctxt;
gcc_jit_result *result;
ctxt = gcc_jit_context_acquire ();
if (!ctxt) {
fprintf (stderr, "NULL ctxt");
exit (1);
}
gcc_jit_context_set_bool_option (ctxt, GCC_JIT_BOOL_OPTION_DUMP_GENERATED_CODE, 0);
create_code (ctxt);
result = gcc_jit_context_compile (ctxt);
if (!result) {
fprintf (stderr, "NULL result");
exit (1);
}
typedef void (*fn_type) (const char *);
fn_type greet = (fn_type)gcc_jit_result_get_code (result, "greet");
if (!greet) {
fprintf (stderr, "NULL greet");
exit (1);
}
greet ("world");
fflush (stdout);
gcc_jit_context_release (ctxt);
gcc_jit_result_release (result);
return 0;
}
EOS
gcc_major_ver = Formula["gcc"].any_installed_version.major
gcc = Formula["gcc"].opt_bin/"gcc-#{gcc_major_ver}"
libs = "#{HOMEBREW_PREFIX}/lib/gcc/#{gcc_major_ver}"
system gcc.to_s, "-I#{include}", "test-libgccjit.c", "-o", "test", "-L#{libs}", "-lgccjit"
assert_equal "hello world", shell_output("./test")
end
end