rustc_target: Move target_env from Target to TargetOptions

Author: petrochenkov

compiler/rustc_target/src/spec/aarch64_apple_darwin.rs

@@ -19,7 +19,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: arch.to_string(),
-        target_env: String::new(),
         target_vendor: "apple".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions { target_mcount: "\u{1}mcount".to_string(), ..base },

compiler/rustc_target/src/spec/aarch64_apple_ios.rs

@@ -8,7 +8,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "apple".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {

compiler/rustc_target/src/spec/aarch64_apple_tvos.rs

@@ -8,7 +8,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "apple".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {

compiler/rustc_target/src/spec/aarch64_fuchsia.rs

@@ -9,7 +9,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: String::new(),
         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
         options: TargetOptions { unsupported_abis: super::arm_base::unsupported_abis(), ..base },

compiler/rustc_target/src/spec/aarch64_linux_android.rs

@@ -14,7 +14,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions { unsupported_abis: super::arm_base::unsupported_abis(), ..base },

compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs

@@ -11,7 +11,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: "msvc".to_string(),
         target_vendor: "pc".to_string(),
         linker_flavor: LinkerFlavor::Msvc,
         options: base,

compiler/rustc_target/src/spec/aarch64_unknown_cloudabi.rs

@@ -11,7 +11,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: base,

compiler/rustc_target/src/spec/aarch64_unknown_freebsd.rs

@@ -9,7 +9,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions { unsupported_abis: super::arm_base::unsupported_abis(), ..base },

compiler/rustc_target/src/spec/aarch64_unknown_hermit.rs

@@ -9,7 +9,6 @@ pub fn target() -> Target {
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
-        target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
         options: base,

compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs

@@ -7,7 +7,6 @@ pub fn target() -> Target {
     Target {
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
         pointer_width: 64,
-        target_env: "gnu".to_string(),
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
         target_vendor: "unknown".to_string(),