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Rollup merge of #31629 - petevine:master, r=alexcrichton

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This PR should make it easier to create a baseline x86 compiler  as well as make cross-compilation possible through a separate set of rlibs.

Plus, a few Linux distributions (e.g. Debian) have voiced interest in having this target available.
This commit is contained in:
Manish Goregaokar 2016-02-14 03:59:11 +05:30
commit 6d0d6088b4
3 changed files with 52 additions and 0 deletions
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23
mk/cfg/i586-unknown-linux-gnu.mk Normal file
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@ -0,0 +1,23 @@
# i586-unknown-linux-gnu configuration
CC_i586-unknown-linux-gnu=$(CC)
CXX_i586-unknown-linux-gnu=$(CXX)
CPP_i586-unknown-linux-gnu=$(CPP)
AR_i586-unknown-linux-gnu=$(AR)
CFG_LIB_NAME_i586-unknown-linux-gnu=lib$(1).so
CFG_STATIC_LIB_NAME_i586-unknown-linux-gnu=lib$(1).a
CFG_LIB_GLOB_i586-unknown-linux-gnu=lib$(1)-*.so
CFG_LIB_DSYM_GLOB_i586-unknown-linux-gnu=lib$(1)-*.dylib.dSYM
CFG_JEMALLOC_CFLAGS_i586-unknown-linux-gnu := -m32 $(CFLAGS)
CFG_GCCISH_CFLAGS_i586-unknown-linux-gnu := -Wall -Werror -g -fPIC -m32 $(CFLAGS)
CFG_GCCISH_CXXFLAGS_i586-unknown-linux-gnu := -fno-rtti $(CXXFLAGS)
CFG_GCCISH_LINK_FLAGS_i586-unknown-linux-gnu := -shared -fPIC -ldl -pthread -lrt -g -m32
CFG_GCCISH_DEF_FLAG_i586-unknown-linux-gnu := -Wl,--export-dynamic,--dynamic-list=
CFG_LLC_FLAGS_i586-unknown-linux-gnu :=
CFG_INSTALL_NAME_i586-unknown-linux-gnu =
CFG_EXE_SUFFIX_i586-unknown-linux-gnu =
CFG_WINDOWSY_i586-unknown-linux-gnu :=
CFG_UNIXY_i586-unknown-linux-gnu := 1
CFG_LDPATH_i586-unknown-linux-gnu :=
CFG_RUN_i586-unknown-linux-gnu=$(2)
CFG_RUN_TARG_i586-unknown-linux-gnu=$(call CFG_RUN_i586-unknown-linux-gnu,,$(2))
CFG_GNU_TRIPLE_i586-unknown-linux-gnu := i586-unknown-linux-gnu

28
src/librustc_back/target/i586_unknown_linux_gnu.rs Normal file
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@ -0,0 +1,28 @@
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use target::Target;
pub fn target() -> Target {
let mut base = super::linux_base::opts();
base.cpu = "pentium".to_string();
base.pre_link_args.push("-m32".to_string());
Target {
llvm_target: "i586-unknown-linux-gnu".to_string(),
target_endian: "little".to_string(),
target_pointer_width: "32".to_string(),
arch: "x86".to_string(),
target_os: "linux".to_string(),
target_env: "gnu".to_string(),
target_vendor: "unknown".to_string(),
options: base,
}
}

1
src/librustc_back/target/mod.rs
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@ -89,6 +89,7 @@ macro_rules! supported_targets {
supported_targets! {
("x86_64-unknown-linux-gnu", x86_64_unknown_linux_gnu),
("i686-unknown-linux-gnu", i686_unknown_linux_gnu),
("i586-unknown-linux-gnu", i586_unknown_linux_gnu),
("mips-unknown-linux-gnu", mips_unknown_linux_gnu),
("mipsel-unknown-linux-gnu", mipsel_unknown_linux_gnu),
("powerpc-unknown-linux-gnu", powerpc_unknown_linux_gnu),