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The options are `overflow-checks` and `overflow-checks-std`
defaulting to false.
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Unfortunately this requires a proper ./configure flag, as the codegen
backends config entry is a list, not a string (breaking --set).
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- Add an assertion that `link-shared = true` when `thin-lto = true`.
Previously, link-shared would be silently overwritten.
- Get rid of `Option<bool>` in bootstrap/config.rs. Set defaults
immediately instead of delaying until later in bootstrap. This makes
it easier to find what the default value is.
- Remove redundant `config.x = false` when the default was already false
- Set defaults for `bindir` in `default_opts()` instead of `parse()`
- Update `download-ci-llvm = if-supported` option to match bootstrap.py
- Remove redundant check for link_shared. Previously, it was checked twice.
- Update various options in config.toml.example to their defaults.
Previously, some options showed an example value instead of the
default value.
- Fix incorrect defaults in config.toml.example
+ `use-libcxx` defaults to false
+ Add missing `check-stage = 0`
+ Update several defaults to be conditional (e.g. `if incremental { 10 } else { 100 }`)
- Remove redundant defaults in prose
- Use the same comment for the default and target-dependent `musl-root`
- Fix typos
- Link to `cc_detect` for `cc` and `cxx`, since the logic is ... complicated.
- Update more defaults to better reflect how they actually get set
- Remove ignored `gpg-password-file` option
This stopped being used in
https://github.com/rust-lang/rust/commit/7704d35accfe1b587ce41ea09ca3bf6a47aca117,
but was never removed from config.toml.
- Remove unused flags from `config.toml`
+ Disallow `infodir` and `localstatedir` in `config.toml`
+ Allow the flags in `./configure`, but give a warning that they will be
ignored.
+ Fix incorrect comment that `datadir` will be ignored.
Example output:
```
$ ./configure --set install.infodir=xxx
configure: processing command line
configure:
configure: install.infodir := xxx
configure: build.configure-args := ['--set', 'install.infodir=xxx']
warning: infodir will be ignored
configure:
configure: writing `config.toml` in current directory
configure:
configure: run `python /home/joshua/rustc3/x.py --help`
configure:
```
- Update CHANGELOG
- Add "as an example" where appropriate
- Link to an issue instead of to ephemeral chats
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The option allows to add or remove compression formats used while
producing dist tarballs.
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This adds `rust.description` to the config as a descriptive string to be
appended to `rustc --version` output, which is also used in places like
debuginfo `DW_AT_producer`. This may be useful for supplementary build
information, like distro-specific package versions.
For example, in Fedora 33, `gcc --version` outputs:
gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6)
With this change, we can add similar vendor info to `rustc --version`.
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This fixes ongoing issues where x.py will detect the wrong host triple
between MSVC and GNU.
- Add line to changelog
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Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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This will run all tests for `riscv64gc-unknown-linux-gnu` in a QEMU
instance. This is based upon the armhf QEMU test image.
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it's not been built since a long time ago
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Rather than a boolean `--enable-cflags` etc., these options should
reflect that they are for LLVM, and that they need a value. You would
now use `./configure --llvm-cflags="..."`.
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Python script PEP8 style guide space formatting and minor Python source cleanup
This PR includes the following changes in the Python sources based on a flake8 3.7.9 (mccabe: 0.6.1, pycodestyle: 2.5.0, pyflakes: 2.1.1) CPython 3.7.6 on Darwin lint:
- PEP8 style guide spacing updates *without* line length changes
- removal of unused local variable assignments in context managers and exception handling
- removal of unused Python import statements
- removal of unnecessary semicolons
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The actual fields in `config.toml.example` have dashes, not underscores.
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With #65251 landed there's no need to build two LLVM backends and ship
them with rustc, every target we have now uses the same LLVM backend!
This removes the `src/llvm-emscripten` submodule and additionally
removes all support from rustbuild for building the emscripten LLVM
backend. Multiple codegen backend support is left in place for now, and
this is intended to be an easy 10-15 minute win on CI times by avoiding
having to build LLVM twice.
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Support for the targets in the compiler and std build in the CI.
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In `configure.py`, using the `o` function creates an enable/disable
boolean setting, and writes `true` or `false` in `config.toml`. However,
rustbuild is expecting to parse a `u32` debuginfo level. We can change
to the `v` function to have the options require a value.
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This avoids the dependency on host libraries such as libgcc_s which
may be undesirable in some deployment environments where these aren't
available.
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This may be needed with some host compilers.
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This is the default on platforms which use libc++ as the default C++
library but this option allows using libc++ on others as well.
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thumbv7neon-unknown-linux-gnueabihf
These two targets enable both thumb-mode and NEON for ARMv7 CPUs.
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r=Mark-Simulacrum
Update `configure --help` (via configure.py) to reflect decoupling of debug+optimize
This should have been part of PR #54811 (my bad).
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Use lld directly for Fuchsia target
Fuchsia already uses lld as the default linker, so there's no reason
to always invoke it through Clang, instead we can simply invoke lld
directly and pass the set of flags that matches Clang.
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Fuchsia already uses lld as the default linker, so there's no reason
to always invoke it through Clang, instead we can simply invoke lld
directly and pass the set of flags that matches Clang.
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This commit removes all jemalloc related submodules, configuration, etc,
from the bootstrap, from the standard library, and from the compiler.
This will be followed up with a change to use jemalloc specifically as
part of rustc on blessed platforms.
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It includes stuff like pressing CTRL+C, which likely isn't intended.
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In addition to to updating Cargo's submodule and Cargo's dependencies,
this also updates Cargo's build to build OpenSSL statically into Cargo
as well as libcurl unconditionally. This removes OpenSSL build logic
from the bootstrap code, and otherwise requests that even on OSX we
build curl statically.
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This patch adds a few improvements to how the build system finds
LLVM's FileCheck program.
* On Fedora, the system LLVM installs FileCheck in the "llvm"
subdirectory of the LLVM libdir. This patch teaches the build
system to look there.
* This adds a configure option to specify which llvm-config executable
to use. This is handy on systems that can parallel install multiple
versions of LLVM; for example I can now:
./configure --llvm-config=/bin/llvm-config-5.0-64
... to build against LLVM 5, rather than whatever the default
llvm-config might be.
* Finally, this adds a configure- and config.toml- option to set the
path to FileCheck. This is handy when building against an LLVM
where FileCheck was not installed. This happens on compatibility
installs of LLVM on Fedora.
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This optionally adds lldb (and clang, which it needs) to the build.
Because rust uses LLVM 7, and because clang 7 is not yet released, a
recent git master version of clang is used.
The lldb that is used includes the Rust plugin.
lldb is only built when asked for, or when doing a nightly build on
macOS. Only macOS is done for now due to difficulties with the Python
dependency.
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If you are using a hard-linked file as your config.toml, this change will affect the way other instances of the file is modified.
The original version would modify all other instances whereas the new version will leave others unchanged, reducing the ref count by one.
Signed-off-by: NODA, Kai <nodakai@gmail.com>
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ship LLVM tools with the toolchain
this PR adds llvm-{nm,objcopy,objdump,size} to the rustc sysroot (right next to LLD)
this slightly increases the size of the rustc component. I measured these numbers on x86_64 Linux:
- rustc-1.27.0-dev-x86_64-unknown-linux-gnu.tar.gz 180M -> 193M (+7%)
- rustc-1.27.0-dev-x86_64-unknown-linux-gnu.tar.xz 129M -> 137M (+6%)
r? @alexcrichton
cc #49584
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Debugging information for the extended tools is currently disabled for
concerns about the size. This patch adds `--enable-debuginfo-tools` to
let one opt into having that debuginfo.
This is useful for debugging the tools in distro packages. We always
strip debuginfo into separate packages anyway, so the extra size is not
a concern in regular use.
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Currently the --tools option does not work because it is setting a string value
for 'build.tools'. It should be a list of strings instead.
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This commit removes some ThinLTO/codegen unit cruft primarily only needed during
the initial phase where we were adding ThinLTO support to rustc itself. The
current bootstrap compiler knows about ThinLTO and has it enabled by default for
multi-CGU builds which are also enabled by default. One CGU builds (aka
disabling ThinLTO) can be achieved by configuring the number of codegen units to
1 for a particular builds.
This also changes the defaults for our dist builders to go back to multiple
CGUs. Unfortunately we're seriously bleeding for cycle time on the bots right
now so we need to recover any time we can.
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