Remove support for the PNaCl target (le32-unknown-nacl)

src/librustc_back/target/mod.rs

@@ -215,7 +215,6 @@ supported_targets! {
     ("i686-pc-windows-msvc", i686_pc_windows_msvc),
     ("i586-pc-windows-msvc", i586_pc_windows_msvc),
 
-    ("le32-unknown-nacl", le32_unknown_nacl),
     ("asmjs-unknown-emscripten", asmjs_unknown_emscripten),
     ("wasm32-unknown-emscripten", wasm32_unknown_emscripten),
     ("wasm32-experimental-emscripten", wasm32_experimental_emscripten),

src/librustc_llvm/build.rs

@@ -88,7 +88,7 @@ fn main() {
     let is_crossed = target != host;
 
     let mut optional_components =
-        vec!["x86", "arm", "aarch64", "mips", "powerpc", "pnacl",
+        vec!["x86", "arm", "aarch64", "mips", "powerpc",
              "systemz", "jsbackend", "webassembly", "msp430", "sparc", "nvptx"];
 
     let mut version_cmd = Command::new(&llvm_config);

src/librustc_llvm/lib.rs

@@ -346,10 +346,6 @@ pub fn initialize_available_targets() {
                  LLVMInitializePowerPCTargetMC,
                  LLVMInitializePowerPCAsmPrinter,
                  LLVMInitializePowerPCAsmParser);
-    init_target!(llvm_component = "pnacl",
-                 LLVMInitializePNaClTargetInfo,
-                 LLVMInitializePNaClTarget,
-                 LLVMInitializePNaClTargetMC);
     init_target!(llvm_component = "systemz",
                  LLVMInitializeSystemZTargetInfo,
                  LLVMInitializeSystemZTarget,

src/librustdoc/clean/cfg.rs

@@ -337,7 +337,6 @@ impl<'a> fmt::Display for Html<'a> {
                         "l4re" => "L4Re",
                         "linux" => "Linux",
                         "macos" => "macOS",
-                        "nacl" => "NaCl",
                         "netbsd" => "NetBSD",
                         "openbsd" => "OpenBSD",
                         "redox" => "Redox",
@@ -886,4 +885,4 @@ mod test {
                 only."
         );
     }
-}
+}

src/libstd/os/mod.rs

@@ -38,7 +38,6 @@ pub mod linux;
 #[cfg(all(not(dox), target_os = "haiku"))]      pub mod haiku;
 #[cfg(all(not(dox), target_os = "ios"))]        pub mod ios;
 #[cfg(all(not(dox), target_os = "macos"))]      pub mod macos;
-#[cfg(all(not(dox), target_os = "nacl"))]       pub mod nacl;
 #[cfg(all(not(dox), target_os = "netbsd"))]     pub mod netbsd;
 #[cfg(all(not(dox), target_os = "openbsd"))]    pub mod openbsd;
 #[cfg(all(not(dox), target_os = "solaris"))]    pub mod solaris;

src/libstd/sys/unix/env.rs

@@ -118,27 +118,6 @@ pub mod os {
     pub const EXE_EXTENSION: &'static str = "";
 }
 
-#[cfg(all(target_os = "nacl", not(target_arch = "le32")))]
-pub mod os {
-    pub const FAMILY: &'static str = "unix";
-    pub const OS: &'static str = "nacl";
-    pub const DLL_PREFIX: &'static str = "lib";
-    pub const DLL_SUFFIX: &'static str = ".so";
-    pub const DLL_EXTENSION: &'static str = "so";
-    pub const EXE_SUFFIX: &'static str = ".nexe";
-    pub const EXE_EXTENSION: &'static str = "nexe";
-}
-#[cfg(all(target_os = "nacl", target_arch = "le32"))]
-pub mod os {
-    pub const FAMILY: &'static str = "unix";
-    pub const OS: &'static str = "pnacl";
-    pub const DLL_PREFIX: &'static str = "lib";
-    pub const DLL_SUFFIX: &'static str = ".pso";
-    pub const DLL_EXTENSION: &'static str = "pso";
-    pub const EXE_SUFFIX: &'static str = ".pexe";
-    pub const EXE_EXTENSION: &'static str = "pexe";
-}
-
 #[cfg(target_os = "haiku")]
 pub mod os {
     pub const FAMILY: &'static str = "unix";

src/libstd/sys/unix/mod.rs

@@ -22,7 +22,6 @@ use libc;
 #[cfg(all(not(dox), target_os = "haiku"))]     pub use os::haiku as platform;
 #[cfg(all(not(dox), target_os = "ios"))]       pub use os::ios as platform;
 #[cfg(all(not(dox), target_os = "macos"))]     pub use os::macos as platform;
-#[cfg(all(not(dox), target_os = "nacl"))]      pub use os::nacl as platform;
 #[cfg(all(not(dox), target_os = "netbsd"))]    pub use os::netbsd as platform;
 #[cfg(all(not(dox), target_os = "openbsd"))]   pub use os::openbsd as platform;
 #[cfg(all(not(dox), target_os = "solaris"))]   pub use os::solaris as platform;
@@ -77,11 +76,11 @@ pub fn init() {
         reset_sigpipe();
     }
 
-    #[cfg(not(any(target_os = "nacl", target_os = "emscripten", target_os="fuchsia")))]
+    #[cfg(not(any(target_os = "emscripten", target_os="fuchsia")))]
     unsafe fn reset_sigpipe() {
         assert!(signal(libc::SIGPIPE, libc::SIG_IGN) != libc::SIG_ERR);
     }
-    #[cfg(any(target_os = "nacl", target_os = "emscripten", target_os="fuchsia"))]
+    #[cfg(any(target_os = "emscripten", target_os="fuchsia"))]
     unsafe fn reset_sigpipe() {}
 }
 

src/libstd/sys/unix/os.rs

@@ -483,12 +483,10 @@ pub fn home_dir() -> Option<PathBuf> {
 
     #[cfg(any(target_os = "android",
               target_os = "ios",
-              target_os = "nacl",
               target_os = "emscripten"))]
     unsafe fn fallback() -> Option<OsString> { None }
     #[cfg(not(any(target_os = "android",
                   target_os = "ios",
-                  target_os = "nacl",
                   target_os = "emscripten")))]
     unsafe fn fallback() -> Option<OsString> {
         let amt = match libc::sysconf(libc::_SC_GETPW_R_SIZE_MAX) {

src/libstd/sys/unix/process/process_common.rs

@@ -464,7 +464,6 @@ mod tests {
     // test from being flaky we ignore it on macOS.
     #[test]
     #[cfg_attr(target_os = "macos", ignore)]
-    #[cfg_attr(target_os = "nacl", ignore)] // no signals on NaCl.
     // When run under our current QEMU emulation test suite this test fails,
     // although the reason isn't very clear as to why. For now this test is
     // ignored there.

src/libstd/sys/unix/process/process_unix.rs

@@ -184,8 +184,8 @@ impl Command {
             *sys::os::environ() = envp.as_ptr();
         }
 
-        // NaCl has no signal support.
-        #[cfg(not(any(target_os = "nacl", target_os = "emscripten")))]
+        // emscripten has no signal support.
+        #[cfg(not(any(target_os = "emscripten")))]
         {
             use mem;
             // Reset signal handling so the child process starts in a

src/libstd/sys_common/backtrace.rs

@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![cfg_attr(target_os = "nacl", allow(dead_code))]
-
 /// Common code for printing the backtrace in the same way across the different
 /// supported platforms.