Add formula for latest stable qemu

Formula/qemu@20220420.1.rb

@@ -0,0 +1,116 @@
+class QemuAT202204201 < Formula
+  desc "Emulator for x86 and PowerPC augmented with a power of VirGL"
+  homepage "https://www.qemu.org/"
+  url "https://code.tokarch.uk/third_party/qemu.git",
+    # v7.0.0
+    using: :git,
+    revision: "c181d00d4d11aabbf34fe5a100bb5c0113f18705"
+  
+  version "20220420.1"
+  license "GPL-2.0-only"
+
+  depends_on "libtool" => :build
+  depends_on "meson" => :build
+  depends_on "ninja" => :build
+  depends_on "pkg-config" => :build
+
+  depends_on "glib"
+  depends_on "gnutls"
+  depends_on "jpeg"
+  depends_on "libangle"
+  depends_on "libepoxy@20220315.1"
+  depends_on "virglrenderer@20220315.1"
+  depends_on "libpng"
+  depends_on "libssh"
+  depends_on "libusb"
+  depends_on "lzo"
+  depends_on "ncurses"
+  depends_on "nettle"
+  depends_on "pixman"
+  depends_on "snappy"
+  depends_on "spice-protocol"
+  depends_on "vde"
+
+  conflicts_with "qemu",
+    because: "it's a same package"
+
+  # 820KB floppy disk image file of FreeDOS 1.2, used to test QEMU
+  resource "test-image" do
+    url "http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions/1.2/qemu/qemu-fd12-base.zip"
+    sha256 "2900ee67ded38c58680c6b1ae667b2d01ea611c63c83f19bbef53e3da3735820"
+  end
+
+  def install
+    ENV["LIBTOOL"] = "glibtool"
+
+    args = %W[
+      --prefix=#{prefix}
+      --cc=#{ENV.cc}
+      --host-cc=#{ENV.cc}
+      --disable-bsd-user
+      --disable-guest-agent
+      --enable-curses
+      --enable-libssh
+      --enable-vde
+      --extra-cflags=-DNCURSES_WIDECHAR=1
+      --extra-cflags=-I#{Formula["libangle"].opt_prefix}/include
+      --extra-ldflags=-L#{Formula["libangle"].opt_prefix}/lib
+      --extra-cflags=-I#{Formula["libepoxy@20220315.1"].opt_prefix}/include
+      --extra-ldflags=-L#{Formula["libepoxy@20220315.1"].opt_prefix}/lib
+      --extra-cflags=-I#{Formula["virglrenderer@20220315.1"].opt_prefix}/include
+      --extra-ldflags=-L#{Formula["virglrenderer@20220315.1"].opt_prefix}/lib
+      --extra-cflags=-I#{Formula["spice-protocol"].opt_prefix}/include/spice-1
+      --extra-ldflags=-L#{Formula["spice-protocol"].opt_prefix}/lib
+      --disable-sdl
+      --disable-gtk
+    ]
+    # Sharing Samba directories in QEMU requires the samba.org smbd which is
+    # incompatible with the macOS-provided version. This will lead to
+    # silent runtime failures, so we set it to a Homebrew path in order to
+    # obtain sensible runtime errors. This will also be compatible with
+    # Samba installations from external taps.
+    args << "--smbd=#{HOMEBREW_PREFIX}/sbin/samba-dot-org-smbd"
+
+    on_macos do
+      args << "--enable-cocoa"
+    end
+
+    system "./configure", *args
+    system "make", "V=1", "install"
+  end
+
+  test do
+    expected = "QEMU Project"
+    assert_match expected, shell_output("#{bin}/qemu-system-aarch64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-alpha --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-arm --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-cris --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-hppa --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-i386 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-m68k --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-microblaze --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-microblazeel --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-mips --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-mips64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-mips64el --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-mipsel --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-nios2 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-or1k --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-ppc --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-ppc64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-riscv32 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-riscv64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-rx --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-s390x --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-sh4 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-sh4eb --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-sparc --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-sparc64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-tricore --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-x86_64 --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-xtensa --version")
+    assert_match expected, shell_output("#{bin}/qemu-system-xtensaeb --version")
+    resource("test-image").stage testpath
+    assert_match "file format: raw", shell_output("#{bin}/qemu-img info FLOPPY.img")
+  end
+end