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Merge pull request #20699 from vhbit/ios-archs
Better iOS support Reviewed-by: alexcrichton
2 parents 2e2372c + 577d0db commit 87ed884

25 files changed

+746
-130
lines changed

‎mk/cfg/aarch64-apple-ios.mk‎

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# aarch64-apple-ios configuration
2+
CFG_SDK_NAME_aarch64-apple-ios := iphoneos
3+
CFG_SDK_ARCHS_aarch64-apple-ios := arm64
4+
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
5+
CFG_IOS_SDK_aarch64-apple-ios := $(shell xcrun --show-sdk-path -sdk iphoneos 2>/dev/null)
6+
CFG_IOS_SDK_FLAGS_aarch64-apple-ios := -target aarch64-apple-darwin -isysroot $(CFG_IOS_SDK_aarch64-apple-ios) -mios-version-min=7.0 -arch arm64
7+
CC_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang)
8+
CXX_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
9+
CPP_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
10+
AR_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos ar)
11+
endif
12+
CFG_LIB_NAME_aarch64-apple-ios = lib$(1).a
13+
CFG_LIB_GLOB_aarch64-apple-ios = lib$(1)-*.a
14+
CFG_LIB_SKIP_INSTALL_aarch64-apple-ios = 1 #lib$(1)-*.a
15+
CFG_STATIC_LIB_NAME_aarch64-apple-ios=lib$(1).a
16+
CFG_LIB_DSYM_GLOB_aarch64-apple-ios = lib$(1)-*.a.dSYM
17+
CFG_CFLAGS_aarch64-apple-ios := $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
18+
CFG_JEMALLOC_CFLAGS_aarch64-apple-ios := $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
19+
CFG_GCCISH_CFLAGS_aarch64-apple-ios := -Wall -Werror -fPIC $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
20+
CFG_GCCISH_CXXFLAGS_aarch64-apple-ios := -fno-rtti $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios) -I$(CFG_IOS_SDK_aarch64-apple-ios)/usr/include/c++/4.2.1
21+
CFG_GCCISH_LINK_FLAGS_aarch64-apple-ios := -lpthread -syslibroot $(CFG_IOS_SDK_aarch64-apple-ios) -Wl,-no_compact_unwind
22+
CFG_GCCISH_DEF_FLAG_aarch64-apple-ios := -Wl,-exported_symbols_list,
23+
CFG_GCCISH_PRE_LIB_FLAGS_aarch64-apple-ios :=
24+
CFG_GCCISH_POST_LIB_FLAGS_aarch64-apple-ios :=
25+
CFG_DEF_SUFFIX_aarch64-apple-ios := .darwin.def
26+
CFG_LLC_FLAGS_aarch64-apple-ios := -mattr=+neon,+cyclone,+fp-armv8
27+
CFG_INSTALL_NAME_aarch64-apple-ios = -Wl,-install_name,@rpath/$(1)
28+
CFG_LIBUV_LINK_FLAGS_aarch64-apple-ios =
29+
CFG_EXE_SUFFIX_aarch64-apple-ios :=
30+
CFG_WINDOWSY_aarch64-apple-ios :=
31+
CFG_UNIXY_aarch64-apple-ios := 1
32+
CFG_PATH_MUNGE_aarch64-apple-ios := true
33+
CFG_LDPATH_aarch64-apple-ios :=
34+
CFG_RUN_aarch64-apple-ios = $(2)
35+
CFG_RUN_TARG_aarch64-apple-ios = $(call CFG_RUN_aarch64-apple-ios,,$(2))
36+
CFG_GNU_TRIPLE_aarch64-apple-ios := aarch64-apple-ios

‎mk/cfg/arm-apple-ios.mk‎

Lines changed: 0 additions & 35 deletions
This file was deleted.

‎mk/cfg/armv7-apple-ios.mk‎

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1+
# armv7-apple-ios configuration
2+
CFG_SDK_NAME_armv7-apple-ios := iphoneos
3+
CFG_SDK_ARCHS_armv7-apple-ios := armv7
4+
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
5+
CFG_IOS_SDK_armv7-apple-ios := $(shell xcrun --show-sdk-path -sdk iphoneos 2>/dev/null)
6+
CFG_IOS_SDK_FLAGS_armv7-apple-ios := -target armv7-apple-ios -isysroot $(CFG_IOS_SDK_armv7-apple-ios) -mios-version-min=7.0
7+
CC_armv7-apple-ios = $(shell xcrun -find -sdk iphoneos clang)
8+
CXX_armv7-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
9+
CPP_armv7-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
10+
AR_armv7-apple-ios = $(shell xcrun -find -sdk iphoneos ar)
11+
endif
12+
CFG_LIB_NAME_armv7-apple-ios = lib$(1).a
13+
CFG_LIB_GLOB_armv7-apple-ios = lib$(1)-*.a
14+
CFG_LIB_SKIP_INSTALL_armv7-apple-ios = 1 #lib$(1)-*.a
15+
CFG_STATIC_LIB_NAME_armv7-apple-ios=lib$(1).a
16+
CFG_LIB_DSYM_GLOB_armv7-apple-ios = lib$(1)-*.a.dSYM
17+
CFG_JEMALLOC_CFLAGS_armv7-apple-ios := -arch armv7 -mfpu=vfp3 $(CFG_IOS_SDK_FLAGS_armv7-apple-ios)
18+
CFG_GCCISH_CFLAGS_armv7-apple-ios := -Wall -Werror -g -fPIC $(CFG_IOS_SDK_FLAGS_armv7-apple-ios) -mfpu=vfp3 -arch armv7
19+
CFG_GCCISH_CXXFLAGS_armv7-apple-ios := -fno-rtti $(CFG_IOS_SDK_FLAGS_armv7-apple-ios) -I$(CFG_IOS_SDK_armv7-apple-ios)/usr/include/c++/4.2.1
20+
CFG_GCCISH_LINK_FLAGS_armv7-apple-ios := -lpthread -syslibroot $(CFG_IOS_SDK_armv7-apple-ios) -Wl,-no_compact_unwind
21+
CFG_GCCISH_DEF_FLAG_armv7-apple-ios := -Wl,-exported_symbols_list,
22+
CFG_GCCISH_PRE_LIB_FLAGS_armv7-apple-ios :=
23+
CFG_GCCISH_POST_LIB_FLAGS_armv7-apple-ios :=
24+
CFG_DEF_SUFFIX_armv7-apple-ios := .darwin.def
25+
CFG_LLC_FLAGS_armv7-apple-ios := -mattr=+vfp3,+v7,+neon -march=arm
26+
CFG_INSTALL_NAME_armv7-apple-ios = -Wl,-install_name,@rpath/$(1)
27+
CFG_EXE_SUFFIX_armv7-apple-ios :=
28+
CFG_WINDOWSY_armv7-apple-ios :=
29+
CFG_UNIXY_armv7-apple-ios := 1
30+
CFG_PATH_MUNGE_armv7-apple-ios := true
31+
CFG_LDPATH_armv7-apple-ios :=
32+
CFG_RUN_armv7-apple-ios = $(2)
33+
CFG_RUN_TARG_armv7-apple-ios = $(call CFG_RUN_armv7-apple-ios,,$(2))
34+
CFG_GNU_TRIPLE_armv7-apple-ios := armv7-apple-ios

‎mk/cfg/armv7s-apple-ios.mk‎

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1+
# armv7s-apple-ios configuration
2+
CFG_SDK_NAME_armv7s-apple-ios := iphoneos
3+
CFG_SDK_ARCHS_armv7s-apple-ios := armv7s
4+
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
5+
CFG_IOS_SDK_armv7s-apple-ios := $(shell xcrun --show-sdk-path -sdk iphoneos 2>/dev/null)
6+
CFG_IOS_SDK_FLAGS_armv7s-apple-ios := -target armv7s-apple-ios -isysroot $(CFG_IOS_SDK_armv7s-apple-ios) -mios-version-min=7.0
7+
CC_armv7s-apple-ios = $(shell xcrun -find -sdk iphoneos clang)
8+
CXX_armv7s-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
9+
CPP_armv7s-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
10+
AR_armv7s-apple-ios = $(shell xcrun -find -sdk iphoneos ar)
11+
endif
12+
CFG_LIB_NAME_armv7s-apple-ios = lib$(1).a
13+
CFG_LIB_GLOB_armv7s-apple-ios = lib$(1)-*.a
14+
CFG_LIB_SKIP_INSTALL_armv7s-apple-ios = 1 #lib$(1)-*.a
15+
CFG_STATIC_LIB_NAME_armv7s-apple-ios=lib$(1).a
16+
CFG_LIB_DSYM_GLOB_armv7s-apple-ios = lib$(1)-*.a.dSYM
17+
CFG_JEMALLOC_CFLAGS_armv7s-apple-ios := -arch armv7s -mfpu=vfp4 $(CFG_IOS_SDK_FLAGS_armv7s-apple-ios)
18+
CFG_GCCISH_CFLAGS_armv7s-apple-ios := -Wall -Werror -g -fPIC $(CFG_IOS_SDK_FLAGS_armv7s-apple-ios) -mfpu=vfp4 -arch armv7s
19+
CFG_GCCISH_CXXFLAGS_armv7s-apple-ios := -fno-rtti $(CFG_IOS_SDK_FLAGS_armv7s-apple-ios) -I$(CFG_IOS_SDK_armv7s-apple-ios)/usr/include/c++/4.2.1
20+
CFG_GCCISH_LINK_FLAGS_armv7s-apple-ios := -lpthread -syslibroot $(CFG_IOS_SDK_armv7s-apple-ios) -Wl,-no_compact_unwind
21+
CFG_GCCISH_DEF_FLAG_armv7s-apple-ios := -Wl,-exported_symbols_list,
22+
CFG_GCCISH_PRE_LIB_FLAGS_armv7s-apple-ios :=
23+
CFG_GCCISH_POST_LIB_FLAGS_armv7s-apple-ios :=
24+
CFG_DEF_SUFFIX_armv7s-apple-ios := .darwin.def
25+
CFG_LLC_FLAGS_armv7s-apple-ios := -mattr=+vfp4,+v7,+neon
26+
CFG_INSTALL_NAME_armv7s-apple-ios = -Wl,-install_name,@rpath/$(1)
27+
CFG_EXE_SUFFIX_armv7s-apple-ios :=
28+
CFG_WINDOWSY_armv7s-apple-ios :=
29+
CFG_UNIXY_armv7s-apple-ios := 1
30+
CFG_PATH_MUNGE_armv7s-apple-ios := true
31+
CFG_LDPATH_armv7s-apple-ios :=
32+
CFG_RUN_armv7s-apple-ios = $(2)
33+
CFG_RUN_TARG_armv7s-apple-ios = $(call CFG_RUN_armv7s-apple-ios,,$(2))
34+
CFG_GNU_TRIPLE_armv7s-apple-ios := armv7s-apple-ios

‎mk/cfg/i386-apple-ios.mk‎

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Original file line numberDiff line numberDiff line change
@@ -1,9 +1,9 @@
11
# i386-apple-ios configuration
2-
CFG_SDK_NAME_i386-apple-ios = iphonesimulator
3-
CFG_SDK_ARCHS_i386-apple-ios = i386
2+
CFG_SDK_NAME_i386-apple-ios := iphonesimulator
3+
CFG_SDK_ARCHS_i386-apple-ios := i386
44
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
5-
CFG_IOSSIM_SDK = $(shell xcrun --show-sdk-path -sdk iphonesimulator 2>/dev/null)
6-
CFG_IOSSIM_FLAGS = -target i386-apple-ios -isysroot $(CFG_IOSSIM_SDK) -mios-simulator-version-min=7.0
5+
CFG_IOSSIM_SDK_i386-apple-ios := $(shell xcrun --show-sdk-path -sdk iphonesimulator 2>/dev/null)
6+
CFG_IOSSIM_FLAGS_i386-apple-ios := -m32 -target i386-apple-ios -isysroot $(CFG_IOSSIM_SDK_i386-apple-ios) -mios-simulator-version-min=7.0
77
CC_i386-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang)
88
CXX_i386-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
99
CPP_i386-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
@@ -13,21 +13,21 @@ CFG_LIB_NAME_i386-apple-ios = lib$(1).a
1313
CFG_LIB_GLOB_i386-apple-ios = lib$(1)-*.dylib
1414
CFG_STATIC_LIB_NAME_i386-apple-ios=lib$(1).a
1515
CFG_LIB_DSYM_GLOB_i386-apple-ios = lib$(1)-*.dylib.dSYM
16-
CFG_GCCISH_CFLAGS_i386-apple-ios = -Wall -Werror -g -fPIC -m32 $(CFG_IOSSIM_FLAGS)
17-
CFG_GCCISH_CXXFLAGS_i386-apple-ios = -fno-rtti $(CFG_IOSSIM_FLAGS) -I$(CFG_IOSSIM_SDK)/usr/include/c++/4.2.1
18-
CFG_GCCISH_LINK_FLAGS_i386-apple-ios = -lpthread -Wl,-no_compact_unwind -m32 -Wl,-syslibroot $(CFG_IOSSIM_SDK)
19-
CFG_GCCISH_DEF_FLAG_i386-apple-ios = -Wl,-exported_symbols_list,
20-
CFG_GCCISH_PRE_LIB_FLAGS_i386-apple-ios =
21-
CFG_GCCISH_POST_LIB_FLAGS_i386-apple-ios =
22-
CFG_DEF_SUFFIX_i386-apple-ios = .darwin.def
16+
CFG_GCCISH_CFLAGS_i386-apple-ios := -Wall -Werror -g -fPIC -m32 $(CFG_IOSSIM_FLAGS_i386-apple-ios)
17+
CFG_GCCISH_CXXFLAGS_i386-apple-ios := -fno-rtti $(CFG_IOSSIM_FLAGS_i386-apple-ios) -I$(CFG_IOSSIM_SDK_i386-apple-ios)/usr/include/c++/4.2.1
18+
CFG_GCCISH_LINK_FLAGS_i386-apple-ios := -lpthread -m32 -Wl,-no_compact_unwind -m32 -Wl,-syslibroot $(CFG_IOSSIM_SDK_i386-apple-ios)
19+
CFG_GCCISH_DEF_FLAG_i386-apple-ios := -Wl,-exported_symbols_list,
20+
CFG_GCCISH_PRE_LIB_FLAGS_i386-apple-ios :=
21+
CFG_GCCISH_POST_LIB_FLAGS_i386-apple-ios :=
22+
CFG_DEF_SUFFIX_i386-apple-ios := .darwin.def
2323
CFG_LLC_FLAGS_i386-apple-ios =
2424
CFG_INSTALL_NAME_i386-apple-ios = -Wl,-install_name,@rpath/$(1)
25-
CFG_EXE_SUFFIX_i386-apple-ios =
26-
CFG_WINDOWSY_i386-apple-ios =
27-
CFG_UNIXY_i386-apple-ios = 1
28-
CFG_PATH_MUNGE_i386-apple-ios = true
25+
CFG_EXE_SUFFIX_i386-apple-ios :=
26+
CFG_WINDOWSY_i386-apple-ios :=
27+
CFG_UNIXY_i386-apple-ios := 1
28+
CFG_PATH_MUNGE_i386-apple-ios = :true
2929
CFG_LDPATH_i386-apple-ios =
3030
CFG_RUN_i386-apple-ios = $(2)
3131
CFG_RUN_TARG_i386-apple-ios = $(call CFG_RUN_i386-apple-ios,,$(2))
32-
CFG_JEMALLOC_CFLAGS_i386-apple-ios = $(CFG_IOSSIM_FLAGS) -target i386-apple-ios -Wl,-syslibroot $(CFG_IOSSIM_SDK) -Wl,-no_compact_unwind
32+
CFG_JEMALLOC_CFLAGS_i386-apple-ios = $(CFG_IOSSIM_FLAGS_i386-apple-ios) -target i386-apple-ios #-Wl,-syslibroot $(CFG_IOSSIM_SDK_i386-apple-ios) -Wl,-no_compact_unwind
3333
CFG_GNU_TRIPLE_i386-apple-ios := i386-apple-ios

‎mk/cfg/x86_64-apple-ios.mk‎

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1+
# x86_64-apple-ios configuration
2+
CFG_SDK_NAME_x86_64-apple-ios := iphonesimulator
3+
CFG_SDK_ARCHS_x86_64-apple-ios := x86_64
4+
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
5+
CFG_IOSSIM_SDK_x86_64-apple-ios := $(shell xcrun --show-sdk-path -sdk iphonesimulator 2>/dev/null)
6+
CFG_IOSSIM_FLAGS_x86_64-apple-ios := -m64 -target x86_64-apple-ios -isysroot $(CFG_IOSSIM_SDK_x86_64-apple-ios) -mios-simulator-version-min=7.0
7+
CC_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang)
8+
CXX_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
9+
CPP_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
10+
AR_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator ar)
11+
endif
12+
CFG_LIB_NAME_x86_64-apple-ios = lib$(1).a
13+
CFG_LIB_GLOB_x86_64-apple-ios = lib$(1)-*.a
14+
CFG_LIB_SKIP_INSTALL_x86_64-apple-ios = 1 #lib$(1)-*.a
15+
CFG_STATIC_LIB_NAME_x86_64-apple-ios=lib$(1).a
16+
CFG_LIB_DSYM_GLOB_x86_64-apple-ios = lib$(1)-*.a.dSYM
17+
CFG_CFLAGS_x86_64-apple-ios := $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
18+
CFG_JEMALLOC_CFLAGS_x86_64-apple-ios := $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
19+
CFG_GCCISH_CFLAGS_x86_64-apple-ios := -Wall -Werror -fPIC $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
20+
CFG_GCCISH_CXXFLAGS_x86_64-apple-ios := -fno-rtti $(CFG_IOSSIM_FLAGS_x86_64-apple-ios) -I$(CFG_IOSSIM_SDK_x86_64-apple-ios)/usr/include/c++/4.2.1
21+
CFG_GCCISH_LINK_FLAGS_x86_64-apple-ios := -lpthread -Wl,-no_compact_unwind -m64 -Wl,-syslibroot $(CFG_IOSSIM_SDK_x86_64-apple-ios)
22+
CFG_GCCISH_DEF_FLAG_x86_64-apple-ios := -Wl,-exported_symbols_list,
23+
CFG_GCCISH_PRE_LIB_FLAGS_x86_64-apple-ios :=
24+
CFG_GCCISH_POST_LIB_FLAGS_x86_64-apple-ios :=
25+
CFG_DEF_SUFFIX_x86_64-apple-ios := .darwin.def
26+
CFG_LLC_FLAGS_x86_64-apple-ios :=
27+
CFG_INSTALL_NAME_x86_64-apple-ios = -Wl,-install_name,@rpath/$(1)
28+
CFG_LIBUV_LINK_FLAGS_x86_64-apple-ios :=
29+
CFG_EXE_SUFFIX_x86_64-apple-ios :=
30+
CFG_WINDOWSY_x86_64-apple-ios :=
31+
CFG_UNIXY_x86_64-apple-ios := 1
32+
CFG_PATH_MUNGE_x86_64-apple-ios := true
33+
CFG_LDPATH_x86_64-apple-ios :=
34+
CFG_RUN_x86_64-apple-ios = $(2)
35+
CFG_RUN_TARG_x86_64-apple-ios = $(call CFG_RUN_x86_64-apple-ios,,$(2))
36+
CFG_GNU_TRIPLE_i386-apple-ios := x86_64-apple-ios

‎src/compiler-rt‎

‎src/liblibc/lib.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1969,7 +1969,7 @@ pub mod types {
19691969
}
19701970
}
19711971

1972-
#[cfg(target_arch = "x86_64")]
1972+
#[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
19731973
pub mod arch {
19741974
pub mod c95 {
19751975
pub type c_char = i8;

‎src/librustc_back/target/aarch64_apple_ios.rs‎

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1+
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2+
// file at the top-level directory of this distribution and at
3+
// http://rust-lang.org/COPYRIGHT.
4+
//
5+
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6+
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7+
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8+
// option. This file may not be copied, modified, or distributed
9+
// except according to those terms.
10+
11+
use target::{Target, TargetOptions};
12+
use super::apple_ios_base::{opts, Arch};
13+
14+
pub fn target() -> Target {
15+
Target {
16+
// reference layout: e-m:o-i64:64-i128:128-n32:64-S128
17+
data_layout: "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-\
18+
i128:128-f32:32:32-f64:64:64-v64:64:64-v128:128:128-\
19+
a:0:64-n32:64-S128".to_string(),
20+
llvm_target: "arm64-apple-ios".to_string(),
21+
target_endian: "little".to_string(),
22+
target_pointer_width: "64".to_string(),
23+
arch: "aarch64".to_string(),
24+
target_os: "ios".to_string(),
25+
options: TargetOptions {
26+
features: "+neon,+fp-armv8,+cyclone".to_string(),
27+
eliminate_frame_pointer: false,
28+
.. opts(Arch::Arm64)
29+
},
30+
}
31+
}

‎src/librustc_back/target/apple_ios_base.rs‎

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@@ -0,0 +1,88 @@
1+
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2+
// file at the top-level directory of this distribution and at
3+
// http://rust-lang.org/COPYRIGHT.
4+
//
5+
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6+
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7+
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8+
// option. This file may not be copied, modified, or distributed
9+
// except according to those terms.
10+
11+
use std::io::{Command, IoError, OtherIoError};
12+
use target::TargetOptions;
13+
14+
use self::Arch::*;
15+
16+
#[allow(non_camel_case_types)]
17+
pub enum Arch {
18+
Armv7,
19+
Armv7s,
20+
Arm64,
21+
I386,
22+
X86_64
23+
}
24+
25+
impl Arch {
26+
pub fn to_string(&self) -> &'static str {
27+
match self {
28+
&Armv7 => "armv7",
29+
&Armv7s => "armv7s",
30+
&Arm64 => "arm64",
31+
&I386 => "i386",
32+
&X86_64 => "x86_64"
33+
}
34+
}
35+
}
36+
37+
pub fn get_sdk_root(sdk_name: &str) -> String {
38+
let res = Command::new("xcrun")
39+
.arg("--show-sdk-path")
40+
.arg("-sdk")
41+
.arg(sdk_name)
42+
.spawn()
43+
.and_then(|c| c.wait_with_output())
44+
.and_then(|output| {
45+
if output.status.success() {
46+
Ok(String::from_utf8(output.output).unwrap())
47+
} else {
48+
Err(IoError {
49+
kind: OtherIoError,
50+
desc: "process exit with error",
51+
detail: String::from_utf8(output.error).ok()})
52+
}
53+
});
54+
55+
match res {
56+
Ok(output) => output.trim().to_string(),
57+
Err(e) => panic!("failed to get {} SDK path: {}", sdk_name, e)
58+
}
59+
}
60+
61+
fn pre_link_args(arch: Arch) -> Vec<String> {
62+
let sdk_name = match arch {
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Armv7 | Armv7s | Arm64 => "iphoneos",
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I386 | X86_64 => "iphonesimulator"
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};
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let arch_name = arch.to_string();
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vec!["-arch".to_string(), arch_name.to_string(),
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"-Wl,-syslibroot".to_string(), get_sdk_root(sdk_name)]
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}
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pub fn opts(arch: Arch) -> TargetOptions {
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TargetOptions {
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dynamic_linking: false,
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executables: true,
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// Although there is an experimental implementation of LLVM which
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// supports SS on armv7 it wasn't approved by Apple, see:
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// http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20140505/216350.html
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// It looks like it might be never accepted to upstream LLVM.
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//
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// SS might be also enabled on Arm64 as it has builtin support in LLVM
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// but I haven't tested it through yet
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morestack: false,
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pre_link_args: pre_link_args(arch),
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.. super::apple_base::opts()
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}
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}

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