enable build on iOS

Author: king6cong

Cargo.toml

@@ -30,7 +30,7 @@ dbghelp-sys = { version = "0.2", optional = true }
 kernel32-sys = { version = "0.2", optional = true }
 winapi = { version = "0.2.5", optional = true }
 
-[target.'cfg(all(unix, not(target_os = "emscripten"), not(target_os = "macos")))'.dependencies]
+[target.'cfg(all(unix, not(target_os = "emscripten"), not(target_os = "macos"), not(target_os = "ios")))'.dependencies]
 backtrace-sys = { path = "backtrace-sys", version = "0.1.3", optional = true }
 
 [build-dependencies]

src/symbolize/mod.rs

@@ -248,12 +248,14 @@ cfg_if! {
     } else if #[cfg(all(feature = "libbacktrace",
                         unix,
                         not(target_os = "emscripten"),
-                        not(target_os = "macos")))] {
+                        not(target_os = "macos"),
+                        not(target_os = "ios")))] {
         mod libbacktrace;
         use self::libbacktrace::resolve as resolve_imp;
         use self::libbacktrace::Symbol as SymbolImp;
     } else if #[cfg(all(feature = "coresymbolication",
-                        target_os = "macos"))] {
+                        any(target_os = "macos",
+                            target_os = "ios")))] {
         mod coresymbolication;
         use self::coresymbolication::resolve as resolve_imp;
         use self::coresymbolication::Symbol as SymbolImp;

tests/smoke.rs

@@ -6,8 +6,8 @@ use std::thread;
 static LIBUNWIND: bool = cfg!(all(unix, feature = "libunwind"));
 static UNIX_BACKTRACE: bool = cfg!(all(unix, feature = "unix-backtrace"));
 static LIBBACKTRACE: bool = cfg!(all(unix, feature = "libbacktrace")) &&
-                            !cfg!(target_os = "macos");
-static CORESYMBOLICATION: bool = cfg!(all(target_os = "macos",
+                            !cfg!(target_os = "macos") && !cfg!(target_os = "ios");
+static CORESYMBOLICATION: bool = cfg!(all(any(target_os = "macos", target_os = "ios"),
                                           feature = "coresymbolication"));
 static DLADDR: bool = cfg!(all(unix, feature = "dladdr"));
 static DBGHELP: bool = cfg!(all(windows, feature = "dbghelp"));