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Conflicts:
mk/platform.mk
src/librustc/session/config.rs
src/librustc_back/target/aarch64_apple_ios.rs
src/librustc_back/target/aarch64_linux_android.rs
src/librustc_back/target/arm_linux_androideabi.rs
src/librustc_back/target/arm_unknown_linux_gnueabi.rs
src/librustc_back/target/arm_unknown_linux_gnueabihf.rs
src/librustc_back/target/armv7_apple_ios.rs
src/librustc_back/target/armv7s_apple_ios.rs
src/librustc_back/target/i386_apple_ios.rs
src/librustc_back/target/i686_apple_darwin.rs
src/librustc_back/target/i686_pc_windows_gnu.rs
src/librustc_back/target/i686_unknown_dragonfly.rs
src/librustc_back/target/i686_unknown_linux_gnu.rs
src/librustc_back/target/mips_unknown_linux_gnu.rs
src/librustc_back/target/mipsel_unknown_linux_gnu.rs
src/librustc_back/target/mod.rs
src/librustc_back/target/powerpc_unknown_linux_gnu.rs
src/librustc_back/target/x86_64_apple_darwin.rs
src/librustc_back/target/x86_64_apple_ios.rs
src/librustc_back/target/x86_64_pc_windows_gnu.rs
src/librustc_back/target/x86_64_unknown_dragonfly.rs
src/librustc_back/target/x86_64_unknown_freebsd.rs
src/librustc_back/target/x86_64_unknown_linux_gnu.rs
src/librustc_back/target/x86_64_unknown_openbsd.rs
src/librustc_llvm/lib.rs
src/librustc_trans/back/link.rs
src/librustc_trans/trans/base.rs
src/libstd/os.rs
src/rustllvm/RustWrapper.cpp
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This is OK to do given:
- PIE is supported on Android starting with API 16.
- The bots are running API 18.
- API < 16 now has a 12.5% market share[0] as of 2015-04-29.
Unfortunately, this breaks backtrace support. See #17520.
Closes #17437.
[0] https://developer.android.com/about/dashboards/index.html
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MUSL for example provides its own start/end objects in place of the standard
ones shipped by gcc.
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This commit adds support for x86_64-unknown-linux-musl as a target of the
compiler. There's some comments in the commit about some of the more flavorful
flags passed to the linker as it's not quite as trivial as the normal specs.
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This adds a new `#[cfg]` matcher against the `target_env` property of the
destination target triple. For example all windows triples today end with `-gnu`
but we will also hopefully support non-`gnu` targets for Windows, at which point
we'll need to differentiate between the two. This new `target_env` matches is
provided and filled in with the target's environment name.
Currently the only non-empty value of this name is `gnu`, but `musl` will be
shortly added for the linux triples.
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This commit stabilizes a few remaining bits of the `io::Error` type:
* The `Error::new` method is now stable. The last `detail` parameter was removed
and the second `desc` parameter was generalized to `E: Into<Box<Error>>` to
allow creating an I/O error from any form of error. Currently there is no form
of downcasting, but this will be added in time.
* An implementation of `From<&str> for Box<Error>` was added to liballoc to
allow construction of errors from raw strings.
* The `Error::raw_os_error` method was stabilized as-is.
* Trait impls for `Clone`, `Eq`, and `PartialEq` were removed from `Error` as it
is not possible to use them with trait objects.
This is a breaking change due to the modification of the `new` method as well as
the removal of the trait implementations for the `Error` type.
[breaking-change]
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This commit:
* Introduces `std::convert`, providing an implementation of
RFC 529.
* Deprecates the `AsPath`, `AsOsStr`, and `IntoBytes` traits, all
in favor of the corresponding generic conversion traits.
Consequently, various IO APIs now take `AsRef<Path>` rather than
`AsPath`, and so on. Since the types provided by `std` implement both
traits, this should cause relatively little breakage.
* Deprecates many `from_foo` constructors in favor of `from`.
* Changes `PathBuf::new` to take no argument (creating an empty buffer,
as per convention). The previous behavior is now available as
`PathBuf::from`.
* De-stabilizes `IntoCow`. It's not clear whether we need this separate trait.
Closes #22751
Closes #14433
[breaking-change]
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This module is now superseded by the `std::process` module. This module still
has some room to expand to get quite back up to parity with the `old_io`
version, and there is a [tracking issue][issue] for feature requests as well as
known room for expansion.
[issue]: https://github.com/rust-lang/rfcs/issues/941
[breaking-change]
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This commit deprecates the majority of std::old_io::fs in favor of std::fs and
its new functionality. Some functions remain non-deprecated but are now behind a
feature gate called `old_fs`. These functions will be deprecated once
suitable replacements have been implemented.
The compiler has been migrated to new `std::fs` and `std::path` APIs where
appropriate as part of this change.
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This commit moves `std::env` away from the `std::old_io` error type as well as
the `std::old_path` module. Methods returning an error now return `io::Error`
and methods consuming or returning paths use `std::path` instead of
`std::old_path`. This commit does not yet mark these APIs as `#[stable]`.
This commit also migrates `std::old_io::TempDir` to `std::fs::TempDir` with
essentially the exact same API. This type was added to interoperate with the new
path API and has its own `tempdir` feature.
Finally, this commit reverts the deprecation of `std::os` APIs returning the old
path API types. This deprecation can come back once the entire `std::old_path`
module is deprecated.
[breaking-change]
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This commit moves `std::env` away from the `std::old_io` error type as well as
the `std::old_path` module. Methods returning an error now return `io::Error`
and methods consuming or returning paths use `std::path` instead of
`std::old_path`. This commit does not yet mark these APIs as `#[stable]`.
This commit also migrates `std::old_io::TempDir` to `std::fs::TempDir` with
essentially the exact same API. This type was added to interoperate with the new
path API and has its own `tempdir` feature.
Finally, this commit reverts the deprecation of `std::os` APIs returning the old
path API types. This deprecation can come back once the entire `std::old_path`
module is deprecated.
[breaking-change]
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The -Wl,--as-needed option was removed during first stages of
bootstrapping between Linux and OpenBSD.
Restore it, as it seems to be ok now.
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r? @aturon
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This patch adds the necessary pieces to support rust on Bitrig https://bitrig.org
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where possible.
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One windows bot failed spuriously.
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This aligns json target specification to match terminology used elsewhere in the code base.
[breaking-change] for custom target json users. Change all appearances of target-word-size
to target-pointer-width.
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- Now "make check-stage2-T-aarch64-linux-android-H-x86_64-unknown-linux-gnu" works (#21773)
- Fix & enable debuginfo tests for android (#10381)
- Fix & enable more tests for android (both for arm/aarch64)
- Enable many already-pass tests on android (both for arm/aarch64)
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This PR replaces uses of `os::getenv` with newly introduced `env::var{,_os}`.
Mostly did this as a background activity to procrastinate from procrastinating.
Tests appear to build and run fine. This includes benchmarks from test/bench directory.
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According to @dotdash it enables more aggressive optimizations from LLVM
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This commit tweaks the interface of the `std::env` module to make it more
ergonomic for common usage:
* `env::var` was renamed to `env::var_os`
* `env::var_string` was renamed to `env::var`
* `env::args` was renamed to `env::args_os`
* `env::args` was re-added as a panicking iterator over string values
* `env::vars` was renamed to `env::vars_os`
* `env::vars` was re-added as a panicking iterator over string values.
This should make common usage (e.g. unicode values everywhere) more ergonomic
as well as "the default". This is also a breaking change due to the differences
of what's yielded from each of these functions, but migration should be fairly
easy as the defaults operate over `String` which is a common type to use.
[breaking-change]
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This aligns json target specification to match terminology used elsewhere in the code base.
[breaking-change] for custom target json users. Change all appearances of target-word-size
to target-pointer-width.
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As part of [RFC 474](https://github.com/rust-lang/rfcs/pull/474), this
commit renames `std::path` to `std::old_path`, leaving the existing path
API in place to ease migration to the new one. Updating should be as
simple as adjusting imports, and the prelude still maps to the old path
APIs for now.
[breaking-change]
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Conflicts:
src/libstd/sys/unix/backtrace.rs
src/libstd/sys/unix/os.rs
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This is an implementation of [RFC 578][rfc] which adds a new `std::env` module
to replace most of the functionality in the current `std::os` module. More
details can be found in the RFC itself, but as a summary the following methods
have all been deprecated:
[rfc]: https://github.com/rust-lang/rfcs/pull/578
* `os::args_as_bytes` => `env::args`
* `os::args` => `env::args`
* `os::consts` => `env::consts`
* `os::dll_filename` => no replacement, use `env::consts` directly
* `os::page_size` => `env::page_size`
* `os::make_absolute` => use `env::current_dir` + `join` instead
* `os::getcwd` => `env::current_dir`
* `os::change_dir` => `env::set_current_dir`
* `os::homedir` => `env::home_dir`
* `os::tmpdir` => `env::temp_dir`
* `os::join_paths` => `env::join_paths`
* `os::split_paths` => `env::split_paths`
* `os::self_exe_name` => `env::current_exe`
* `os::self_exe_path` => use `env::current_exe` + `pop`
* `os::set_exit_status` => `env::set_exit_status`
* `os::get_exit_status` => `env::get_exit_status`
* `os::env` => `env::vars`
* `os::env_as_bytes` => `env::vars`
* `os::getenv` => `env::var` or `env::var_string`
* `os::getenv_as_bytes` => `env::var`
* `os::setenv` => `env::set_var`
* `os::unsetenv` => `env::remove_var`
Many function signatures have also been tweaked for various purposes, but the
main changes were:
* `Vec`-returning APIs now all return iterators instead
* All APIs are now centered around `OsString` instead of `Vec<u8>` or `String`.
There is currently on convenience API, `env::var_string`, which can be used to
get the value of an environment variable as a unicode `String`.
All old APIs are `#[deprecated]` in-place and will remain for some time to allow
for migrations. The semantics of the APIs have been tweaked slightly with regard
to dealing with invalid unicode (panic instead of replacement).
The new `std::env` module is all contained within the `env` feature, so crates
must add the following to access the new APIs:
#![feature(env)]
[breaking-change]
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Conflicts:
src/libcore/cell.rs
src/librustc_driver/test.rs
src/libstd/old_io/net/tcp.rs
src/libstd/old_io/process.rs
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Using `generic` as the target cpu limits the generated code to the bare basics for the arch, while we can probably assume that we'll actually be running on somewhat modern hardware. This updates the default target CPUs for the x86 and x86_64 archs to match clang's behaviour.
Refs #20777
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Limiting ourselves to a generic x86 instruction set doesn't seem useful.
Both users running those systems on original i386 hardware might as well
manually specify a target cpu ;-)
Clang uses the same default.
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Macs don't come with anything older than a Yonah (32bit) or Core2 (64bit),
so we can default to those targets. Clang does the same.
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Originally, this was going to be discussed and revisted, however I've been working on this for months, and a rebase on top of master was about 1 flight's worth of work so I just went ahead and did it.
This gets you as far as being able to target powerpc with, eg:
LD_LIBRARY_PATH=./x86_64-unknown-linux-gnu/stage2/lib/ x86_64-unknown-linux-gnu/stage2/bin/rustc -C linker=powerpc-linux-gnu-gcc --target powerpc-unknown-linux-gnu hello.rs
Would really love to get this out before 1.0. r? @alexcrichton
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Using "generic" disables a number of features that are present on all
x86_64 cpus, the "x86-64" target cpu is the common denominator for that
arch.
Refs #20777
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