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Jonathan Turner
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Rollup merge of #36727 - kallisti5:master, r=Aatch
Haiku: Initial work at OS support These changes should be non-invasive to non-Haiku platforms. These patches were hand reworked from Neil's original Rust 1.9.0 patches. I've done some style cleanup and design updates along the way. There are a few small additional patches to libc, rust-installer and compiler-rt that will be submitted once this one is accepted. Haiku can be compiled on Linux, and a full gcc cross-compiler with a Haiku target is available, which means bootstrapping should be fairly easy. The patches here have already successfully bootstrapped under our haiku x86_gcc2 architecture. http://rust-on-haiku.com/wiki/PortingRust I'll be focusing on our more modern gcc5 x86 and x86 architectures for now. As for support, we're not seeking official support for now. We understand Haiku isn't a top-tier OS choice, however having these patches upstream greatly reduces the amount of patchwork we have to do. Mesa has Haiku code upstream, and we submit patches to keep it going. Mesa doesn't test on Haiku and we're ok with that :-)
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‎configure‎

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@@ -437,6 +437,10 @@ case $CFG_OSTYPE in
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CFG_CPUTYPE=$(isainfo -n)
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;;
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Haiku)
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CFG_OSTYPE=unknown-haiku
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;;
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MINGW*)
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# msys' `uname` does not print gcc configuration, but prints msys
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# configuration. so we cannot believe `uname -m`:
@@ -532,6 +536,10 @@ case $CFG_CPUTYPE in
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CFG_CPUTYPE=x86_64
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;;
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BePC)
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CFG_CPUTYPE=i686
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;;
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*)
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err "unknown CPU type: $CFG_CPUTYPE"
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esac

‎mk/cfg/i686-unknown-haiku.mk‎

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# i686-unknown-haiku configuration
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CROSS_PREFIX_i686-unknown-haiku=i586-pc-haiku-
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CC_i686-unknown-haiku=$(CC)
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CXX_i686-unknown-haiku=$(CXX)
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CPP_i686-unknown-haiku=$(CPP)
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AR_i686-unknown-haiku=$(AR)
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CFG_LIB_NAME_i686-unknown-haiku=lib$(1).so
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CFG_STATIC_LIB_NAME_i686-unknown-haiku=lib$(1).a
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CFG_LIB_GLOB_i686-unknown-haiku=lib$(1)-*.so
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CFG_LIB_DSYM_GLOB_i686-unknown-haiku=lib$(1)-*.dylib.dSYM
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CFG_CFLAGS_i686-unknown-haiku := -m32 $(CFLAGS)
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CFG_GCCISH_CFLAGS_i686-unknown-haiku := -Wall -Werror -g -fPIC -m32 $(CFLAGS)
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CFG_GCCISH_CXXFLAGS_i686-unknown-haiku := -fno-rtti $(CXXFLAGS)
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CFG_GCCISH_LINK_FLAGS_i686-unknown-haiku := -shared -fPIC -ldl -pthread -lrt -g -m32
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CFG_GCCISH_PRE_LIB_FLAGS_i686-unknown-haiku := -Wl,-whole-archive
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CFG_GCCISH_POST_LIB_FLAGS_i686-unknown-haiku := -Wl,-no-whole-archive
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CFG_DEF_SUFFIX_i686-unknown-haiku := .linux.def
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CFG_LLC_FLAGS_i686-unknown-haiku :=
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CFG_INSTALL_NAME_i686-unknown-haiku =
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CFG_EXE_SUFFIX_i686-unknown-haiku =
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CFG_WINDOWSY_i686-unknown-haiku :=
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CFG_UNIXY_i686-unknown-haiku := 1
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CFG_PATH_MUNGE_i686-unknown-haiku := true
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CFG_LDPATH_i686-unknown-haiku :=
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CFG_RUN_i686-unknown-haiku=$(2)
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CFG_RUN_TARG_i686-unknown-haiku=$(call CFG_RUN_i686-unknown-haiku,,$(2))
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CFG_GNU_TRIPLE_i686-unknown-haiku := i686-unknown-haiku

‎mk/cfg/x86_64-unknown-haiku.mk‎

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# x86_64-unknown-haiku configuration
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CROSS_PREFIX_x86_64-unknown-haiku=x86_64-unknown-haiku-
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CC_x86_64-unknown-haiku=$(CC)
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CXX_x86_64-unknown-haiku=$(CXX)
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CPP_x86_64-unknown-haiku=$(CPP)
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AR_x86_64-unknown-haiku=$(AR)
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CFG_LIB_NAME_x86_64-unknown-haiku=lib$(1).so
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CFG_STATIC_LIB_NAME_x86_64-unknown-haiku=lib$(1).a
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CFG_LIB_GLOB_x86_64-unknown-haiku=lib$(1)-*.so
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CFG_LIB_DSYM_GLOB_x86_64-unknown-haiku=lib$(1)-*.dylib.dSYM
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CFG_CFLAGS_x86_64-unknown-haiku := -m64 $(CFLAGS)
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CFG_GCCISH_CFLAGS_x86_64-unknown-haiku := -Wall -Werror -g -fPIC -m64 $(CFLAGS)
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CFG_GCCISH_CXXFLAGS_x86_64-unknown-haiku := -fno-rtti $(CXXFLAGS)
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CFG_GCCISH_LINK_FLAGS_x86_64-unknown-haiku := -shared -fPIC -ldl -pthread -lrt -g -m64
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CFG_GCCISH_PRE_LIB_FLAGS_x86_64-unknown-haiku := -Wl,-whole-archive
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CFG_GCCISH_POST_LIB_FLAGS_x86_64-unknown-haiku := -Wl,-no-whole-archive
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CFG_DEF_SUFFIX_x86_64-unknown-haiku := .linux.def
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CFG_LLC_FLAGS_x86_64-unknown-haiku :=
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CFG_INSTALL_NAME_x86_64-unknown-haiku =
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CFG_EXE_SUFFIX_x86_64-unknown-haiku =
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CFG_WINDOWSY_x86_64-unknown-haiku :=
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CFG_UNIXY_x86_64-unknown-haiku := 1
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CFG_PATH_MUNGE_x86_64-unknown-haiku := true
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CFG_LDPATH_x86_64-unknown-haiku :=
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CFG_RUN_x86_64-unknown-haiku=$(2)
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CFG_RUN_TARG_x86_64-unknown-haiku=$(call CFG_RUN_x86_64-unknown-haiku,,$(2))
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CFG_GNU_TRIPLE_x86_64-unknown-haiku := x86_64-unknown-haiku

‎mk/main.mk‎

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@@ -512,10 +512,14 @@ ifeq ($$(OSTYPE_$(3)),apple-darwin)
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else
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ifeq ($$(CFG_WINDOWSY_$(3)),1)
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LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := PATH
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else
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ifeq ($$(OSTYPE_$(3)),unknown-haiku)
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LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LIBRARY_PATH
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else
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LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LD_LIBRARY_PATH
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endif
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endif
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endif
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LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3) := \
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$$(CURDIR)/$$(HLIB$(1)_H_$(3)):$$(CFG_LLVM_INST_DIR_$(3))/lib

‎src/etc/local_stage0.sh‎

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@@ -18,7 +18,7 @@ LIB_PREFIX=lib
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OS=`uname -s`
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case $OS in
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("Linux"|"FreeBSD"|"DragonFly"|"Bitrig"|"OpenBSD"|"SunOS")
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("Linux"|"FreeBSD"|"DragonFly"|"Bitrig"|"OpenBSD"|"SunOS"|"Haiku")
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BIN_SUF=
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LIB_SUF=.so
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;;

‎src/librustc_back/target/haiku_base.rs‎

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// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use target::TargetOptions;
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use std::default::Default;
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pub fn opts() -> TargetOptions {
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TargetOptions {
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linker: "cc".to_string(),
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dynamic_linking: true,
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executables: true,
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has_rpath: true,
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linker_is_gnu: true,
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.. Default::default()
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}
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}

‎src/librustc_back/target/i686_unknown_haiku.rs‎

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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use target::{Target, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::haiku_base::opts();
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base.cpu = "pentium4".to_string();
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base.max_atomic_width = 64;
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base.pre_link_args.push("-m32".to_string());
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Ok(Target {
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llvm_target: "i686-unknown-haiku".to_string(),
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target_endian: "little".to_string(),
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target_pointer_width: "32".to_string(),
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data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
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arch: "x86".to_string(),
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target_os: "haiku".to_string(),
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target_env: "".to_string(),
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target_vendor: "unknown".to_string(),
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options: base,
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})
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}

‎src/librustc_back/target/mod.rs‎

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@@ -56,6 +56,7 @@ mod apple_ios_base;
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mod bitrig_base;
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mod dragonfly_base;
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mod freebsd_base;
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mod haiku_base;
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mod linux_base;
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mod linux_musl_base;
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mod openbsd_base;
@@ -165,6 +166,9 @@ supported_targets! {
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("x86_64-unknown-netbsd", x86_64_unknown_netbsd),
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("x86_64-rumprun-netbsd", x86_64_rumprun_netbsd),
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("i686_unknown_haiku", i686_unknown_haiku),
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("x86_64_unknown_haiku", x86_64_unknown_haiku),
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("x86_64-apple-darwin", x86_64_apple_darwin),
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("i686-apple-darwin", i686_apple_darwin),
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‎src/librustc_back/target/x86_64_unknown_haiku.rs‎

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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use target::{Target, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::haiku_base::opts();
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base.cpu = "x86-64".to_string();
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base.max_atomic_width = 64;
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base.pre_link_args.push("-m64".to_string());
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Ok(Target {
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llvm_target: "x86_64-unknown-haiku".to_string(),
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target_endian: "little".to_string(),
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target_pointer_width: "64".to_string(),
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data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
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arch: "x86_64".to_string(),
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target_os: "haiku".to_string(),
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target_env: "".to_string(),
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target_vendor: "unknown".to_string(),
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options: base,
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})
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}

‎src/librustc_data_structures/flock.rs‎

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@@ -94,6 +94,27 @@ mod imp {
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pub const F_SETLKW: libc::c_int = 9;
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}
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#[cfg(target_os = "haiku")]
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mod os {
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use libc;
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pub struct flock {
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pub l_type: libc::c_short,
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pub l_whence: libc::c_short,
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pub l_start: libc::off_t,
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pub l_len: libc::off_t,
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pub l_pid: libc::pid_t,
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// not actually here, but brings in line with freebsd
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pub l_sysid: libc::c_int,
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}
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pub const F_UNLCK: libc::c_short = 0x0200;
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pub const F_WRLCK: libc::c_short = 0x0400;
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pub const F_SETLK: libc::c_int = 0x0080;
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pub const F_SETLKW: libc::c_int = 0x0100;
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}
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#[cfg(any(target_os = "macos", target_os = "ios"))]
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mod os {
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use libc;

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