i386-elf-binutils: add 64-bit support, rename into x86_64-elf-binutils

Formula/x86_64-elf-binutils.rb

@@ -0,0 +1,32 @@
+class X8664ElfBinutils < Formula
+  desc "FSF Binutils for x86_64-elf cross development"
+  homepage "https://www.gnu.org/software/binutils/"
+  url "https://ftp.gnu.org/gnu/binutils/binutils-2.33.1.tar.gz"
+  mirror "https://ftpmirror.gnu.org/binutils/binutils-2.33.1.tar.gz"
+  sha256 "98aba5f673280451a09df3a8d8eddb3aa0c505ac183f1e2f9d00c67aa04c6f7d"
+
+  def install
+    system "./configure", "--target=x86_64-elf",
+                          "--enable-targets=all",
+                          "--enable-multilib",
+                          "--enable-64-bit-bfd",
+                          "--disable-werror",
+                          "--prefix=#{prefix}"
+    system "make"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test-s.s").write <<~EOS
+      .section .data
+      .section .text
+      .globl _start
+      _start:
+          movl $1, %eax
+          movl $4, %ebx
+          int $0x80
+    EOS
+    system "#{bin}/x86_64-elf-as", "--64", "-o", "test-s.o", "test-s.s"
+    assert_match "file format elf64-x86-64", shell_output("#{Formula["x86_64-elf-binutils"].bin}/x86_64-elf-objdump -a test-s.o")
+  end
+end

formula_renames.json

@@ -91,6 +91,7 @@
   "hh": "hstr",
   "htop-osx": "htop",
   "httpd24": "httpd",
+  "i386-elf-binutils": "x86_64-elf-binutils",
   "influxdb08": "[email protected]",
   "isl011": "[email protected]",
   "isl012": "[email protected]",