meson: Add a native file for macOS x86_64/arm64

This also supports Homebrew and Qt5

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5060>

data/machine-files/macos-native-file.ini

@@ -0,0 +1,66 @@
+[constants]
+macosx_sdk      = '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk'
+macosx_minver   = '10.13'
+common_args     = ['--sysroot=' + macosx_sdk, '-mmacosx-version-min=' + macosx_minver, '-F' + macosx_sdk / 'System/Library/Frameworks']
+qt_prefix       = HOME_DIR / 'Qt/5.15.2/clang_64'
+# Uncomment for x86 macs:
+#homebrew_prefix = '/usr/local'
+# Uncomment for arm64 macs:
+homebrew_prefix = '/opt/homebrew'
+openssl_pc      = homebrew_prefix / 'opt/openssl@1.1/lib/pkgconfig'
+vpx_pc          = homebrew_prefix / 'opt/libvpx/lib/pkgconfig'
+
+[built-in options]
+c_args              = common_args
+cpp_args            = common_args
+objc_args           = common_args
+objcpp_args         = common_args
+c_link_args         = common_args
+cpp_link_args       = common_args
+objc_link_args      = common_args
+objcpp_link_args    = common_args
+pkg_config_path     = [openssl_pc, vpx_pc]
+force_fallback_for  = ['zlib', 'libffi']
+
+[project options]
+rs = 'enabled'
+libnice = 'enabled'
+tls = 'enabled'
+introspection = 'disabled'
+python = 'disabled'
+qt5 = 'disabled'
+
+[gst-plugins-base:project options]
+gl = 'enabled'
+pango = 'enabled'
+
+[gst-plugins-bad:project options]
+applemedia = 'enabled'
+webrtc = 'enabled'
+dtls = 'enabled'
+sctp = 'enabled'
+srtp = 'enabled'
+
+[gst-plugins-good:project options]
+cairo = 'enabled'
+soup = 'enabled'
+soup-lookup-dep = 'true'
+qt-method = 'qmake'
+osxaudio = 'enabled'
+vpx = 'enabled'
+
+[gst-plugins-rs:project options]
+gtk4 = 'enabled'
+
+[gtk:project options]
+x11-backend = 'false'
+
+[binaries]
+qmake = qt_prefix / 'bin/qmake'
+pkgconfig = homebrew_prefix / 'opt/pkg-config/bin/pkg-config'
+# cmake has horribly broken behaviour where it will hunt your
+# /Library/Frameworks for dependencies like zlib with no way to disable it,
+# which means if you have a gstreamer prefix, you will end up picking up all
+# headers from it at compile time (but not configure time). So just disable
+# picking up deps with cmake entirely.
+cmake = 'false'