xrOS support

Author: agg23

build.rs

@@ -22,7 +22,7 @@ const ALLOWED_CFGS: &'static [&'static str] = &[
 
 // Extra values to allow for check-cfg.
 const CHECK_CFG_EXTRA: &'static [(&'static str, &'static [&'static str])] = &[
-    ("target_os", &["switch", "aix", "ohos", "hurd"]),
+    ("target_os", &["switch", "aix", "ohos", "hurd", "xros"]),
     ("target_env", &["illumos", "wasi", "aix", "ohos"]),
     (
         "target_arch",

src/unix/bsd/apple/mod.rs

@@ -6242,7 +6242,7 @@ cfg_if! {
     }
 }
 cfg_if! {
-    if #[cfg(any(target_os = "macos", target_os = "ios", target_os = "tvos"))] {
+    if #[cfg(any(target_os = "macos", target_os = "ios", target_os = "tvos", target_os = "xros"))] {
         extern "C" {
             pub fn memmem(
                 haystack: *const ::c_void,

src/unix/bsd/mod.rs

@@ -39,6 +39,7 @@ s! {
                       target_os = "ios",
                       target_os = "tvos",
                       target_os = "watchos",
+                      target_os = "xros",
                       target_os = "netbsd",
                       target_os = "openbsd")))]
         pub pw_fields: ::c_int,
@@ -924,7 +925,7 @@ cfg_if! {
 }
 
 cfg_if! {
-    if #[cfg(any(target_os = "macos", target_os = "ios", target_os = "tvos", target_os = "watchos"))] {
+    if #[cfg(any(target_os = "macos", target_os = "ios", target_os = "tvos", target_os = "watchos", target_os = "xros"))] {
         mod apple;
         pub use self::apple::*;
     } else if #[cfg(any(target_os = "openbsd", target_os = "netbsd"))] {

src/unix/mod.rs

@@ -369,6 +369,7 @@ cfg_if! {
                         target_os = "ios",
                         target_os = "tvos",
                         target_os = "watchos",
+                        target_os = "xros",
                         target_os = "android",
                         target_os = "openbsd",
                         target_os = "nto",
@@ -1018,7 +1019,8 @@ extern "C" {
             target_os = "macos",
             target_os = "ios",
             target_os = "tvos",
-            target_os = "watchos"
+            target_os = "watchos",
+            target_os = "xros"
         ),
         link_name = "realpath$DARWIN_EXTSN"
     )]
@@ -1186,7 +1188,8 @@ extern "C" {
             target_os = "macos",
             target_os = "ios",
             target_os = "tvos",
-            target_os = "watchos"
+            target_os = "watchos",
+            target_os = "xros"
         ),
         link_name = "res_9_init"
     )]
@@ -1523,6 +1526,7 @@ cfg_if! {
                         target_os = "ios",
                         target_os = "tvos",
                         target_os = "watchos",
+                        target_os = "xros",
                         target_os = "freebsd",
                         target_os = "dragonfly",
                         target_os = "openbsd",