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There is no reason it should be in the top directory.
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This is added because 'rustc' can now generate MIR (referencing to
"Teach rustc --emit=mir #39891").
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Add --test-threads option to test binaries
This change allows parallelism of test runs to be specified by a
command line flag names --test-threads in addition to the existing
environment variable RUST_TEST_THREADS. Fixes #25636.
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This change allows parallelism of test runs to be specified by a
command line flag names --test-threads in addition to the existing
environment variable RUST_TEST_THREADS. Fixes #25636.
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/# This is a combination of 16 commits.
/# The first commit's message is:
allow RUST_BACKTRACE=disabled to act as if unset
When RUST_BACKTRACE is set to "disabled" then this acts as if the env.
var is unset.
/# This is the 2nd commit message:
case insensitive "DiSaBLeD" RUST_BACKTRACE value
previously it expected a lowercase "disabled" to treat the env. var as
unset
/# This is the 3rd commit message:
RUST_BACKTRACE=0 acts as if unset
previously RUST_BACKTRACE=disabled was doing the same thing
/# This is the 4th commit message:
RUST_BACKTRACE=0|n|no|off acts as if unset
previously only RUST_BACKTRACE=0 acted as if RUST_BACKTRACE was unset
Now added more options (case-insensitive): 'n','no' and 'off'
eg. RUST_BACKTRACE=oFF
/# This is the 5th commit message:
DRY on the value of 2
DRY=don't repeat yourself
Because having to remember to keep the two places of '2' in sync is not
ideal, even though this is a simple enough case.
/# This is the 6th commit message:
Revert "DRY on the value of 2"
This reverts commit 95a0479d5cf72a2b2d9d21ec0bed2823ed213fef.
Nevermind this DRY on 2, because we already have a RY on 1,
besides the code is less readable this way...
/# This is the 7th commit message:
attempt to document unsetting RUST_BACKTRACE
/# This is the 8th commit message:
curb allocations when checking for RUST_BACKTRACE
this means we don't check for case-insensitivity anymore
/# This is the 9th commit message:
as decided, RUST_BACKTRACE=0 turns off backtrace
/# This is the 10th commit message:
RUST_TEST_NOCAPTURE=0 acts as if unset
(that is, capture is on)
Any other value acts as if nocapture is enabled (that is, capture is off)
/# This is the 11th commit message:
update other RUST_TEST_NOCAPTURE occurrences
apparently only one place needs updating
/# This is the 12th commit message:
update RUST_BACKTRACE in man page
/# This is the 13th commit message:
handle an occurrence of RUST_BACKTRACE
/# This is the 14th commit message:
ensure consistency with new rules for backtrace
/# This is the 15th commit message:
a more concise comment for RUST_TEST_NOCAPTURE
/# This is the 16th commit message:
update RUST_TEST_NOCAPTURE in man page
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seems to not work on OS X (or requires label, which would make link repeat twice on non-OS X)
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Currently the compiler supports the ability to emit multiple output types as
part of one compilation (e.g. asm, LLVM IR, bytecode, link, dep-info, etc). It
does not, however, support the ability to customize the output filename for each
of these output types. The `-o` flag is ignored if multiple emit types are
specified (and the compiler emits a warning about this).
Normally this doesn't matter too much, but in the case of `dep-info` it can lead
to a number of problems (e.g. see #28716). By allowing customization of the
output filename for each emit type we're able to solve the problems in that
issue.
This commit adds support for the `--emit` option to the compiler to look like:
rustc foo.rs --emit dep-info=.deps/foo.d,link
This indicates that the `dep-info` output type will be placed at `.deps/foo.d`
and the `link` output type will otherwise be determined via the `--out-dir` and
`-o` flags.
Closes #28716
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Fixes #27686
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rustc -C target-cpu=help is no longer supported. Recommend the
llc tool intead like 'rustc --help'.
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Estimating August as the release date for 1.2.0.
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As @sanxiyn says,
https://github.com/rust-lang/rust/pull/23527#issuecomment-83835448
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Fixes #16330
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This is more consistent with `rustc -C help` output.
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Use consistent markup between rust and rustdoc manpages. Avoid use of
the troublesome unquoted '-' troff character.
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On OSX the linker has a separate framework lookup path which is specified via
the `-F` flag. This adds a new kind of `-L` path recognized by the compiler for
frameworks to be passed through to the linker.
Closes #20259
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* Running rustc with the --print option will accept "file-names" but
not "output-file-names"
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This pull request updates the rustc manual page to represent post-#19900
state of rustc options better.
A bit unrelatedly, --help output is changed to fix some issues too:
* -g and -O descriptions were changed from deprected flags to the new
codegen flags.
* dep-info value was moved from crate-type to emit flag.
Fixes #20111
Fixes #20131
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The man page stated that the list of features was space-separated when
it's actually comma-separated.
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The man page stated that the list of features was space-separated when
it's actually comma-separated.
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Adds a new configure flag, --release-channel, which determines how the version
number should be augmented with a release label, as well as how the distribution
artifacts will be named. This is entirely for use by the build automation.
--release-channel can be either 'source', 'nightly', 'beta', or 'stable'.
Here's a summary of the affect of these values on version number and
artifact naming, respectively:
* source - '0.12.0-pre', 'rust-0.12.0-pre-...'
* nightly - '0.12.0-nightly', 'rust-nightly-...'
* beta - '0.12.0-beta', 'rust-beta-...'
* stable - '0.12.0', 'rust-0.12.0-...'
Per http://discuss.rust-lang.org/t/rfc-impending-changes-to-the-release-process/508/1
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Uses the same wording as ``config.rs`` now.
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I used the same description rustc --help outputs.
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This commit disables rustc's emission of rpath attributes into dynamic libraries
and executables by default. The functionality is still preserved, but it must
now be manually enabled via a `-C rpath` flag.
This involved a few changes to the local build system:
* --disable-rpath is now the default configure option
* Makefiles now prefer our own LD_LIBRARY_PATH over the user's LD_LIBRARY_PATH
in order to support building rust with rust already installed.
* The compiletest program was taught to correctly pass through the aux dir as a
component of LD_LIBRARY_PATH in more situations.
The major impact of this change is that neither rustdoc nor rustc will work
out-of-the-box in all situations because they are dynamically linked. It must be
arranged to ensure that the libraries of a rust installation are part of the
LD_LIBRARY_PATH. The default installation paths for all platforms ensure this,
but if an installation is in a nonstandard location, then configuration may be
necessary.
Additionally, for all developers of rustc, it will no longer be possible to run
$target/stageN/bin/rustc out-of-the-box. The old behavior can be regained
through the `--enable-rpath` option to the configure script.
This change brings linux/mac installations in line with windows installations
where rpath is not possible.
Closes #11747
[breaking-change]
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This commit disables rustc's emission of rpath attributes into dynamic libraries
and executables by default. The functionality is still preserved, but it must
now be manually enabled via a `-C rpath` flag.
This involved a few changes to the local build system:
* --disable-rpath is now the default configure option
* Makefiles now prefer our own LD_LIBRARY_PATH over the user's LD_LIBRARY_PATH
in order to support building rust with rust already installed.
* The compiletest program was taught to correctly pass through the aux dir as a
component of LD_LIBRARY_PATH in more situations.
The major impact of this change is that neither rustdoc nor rustc will work
out-of-the-box in all situations because they are dynamically linked. It must be
arranged to ensure that the libraries of a rust installation are part of the
LD_LIBRARY_PATH. The default installation paths for all platforms ensure this,
but if an installation is in a nonstandard location, then configuration may be
necessary.
Additionally, for all developers of rustc, it will no longer be possible to run
$target/stageN/bin/rustc out-of-the-box. The old behavior can be regained
through the `--enable-rpath` option to the configure script.
This change brings linux/mac installations in line with windows installations
where rpath is not possible.
Closes #11747
[breaking-change]
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There's no need to include this specific flag just for android. We can
already deal with what it tries to solve by using -C linker=/path/to/cc
and -C ar=/path/to/ar. The Makefiles for rustc already set this up when
we're crosscompiling.
I did add the flag to compiletest though so it can find gdb. Though, I'm
pretty sure we don't run debuginfo tests on android anyways right now.
[breaking-change]
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Closes #13549
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--no-analysis, --dep-info, -C relocation-model, remove --gen-crate-map
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Closes #13549
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The man pages no longer contain Graydon Hoare as the project lead.
Fix #13509.
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This also changes some of the download links in the documentation
to 'nightly'.
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Both for rustc and rustdoc the man pages contained out-of-date version info.
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Move them all behind a new -C switch. This migrates some -Z flags and some
top-level flags behind this -C codegen option.
The -C flag takes values of the form "-C name=value" where the "=value" is
optional for some flags.
Flags affected:
* --llvm-args => -C llvm-args
* --passes => -C passes
* --ar => -C ar
* --linker => -C linker
* --link-args => -C link-args
* --target-cpu => -C target-cpu
* --target-feature => -C target-fature
* --android-cross-path => -C android-cross-path
* --save-temps => -C save-temps
* --no-rpath => -C no-rpath
* -Z no-prepopulate => -C no-prepopulate-passes
* -Z no-vectorize-loops => -C no-vectorize-loops
* -Z no-vectorize-slp => -C no-vectorize-slp
* -Z soft-float => -C soft-float
* -Z gen-crate-map => -C gen-crate-map
* -Z prefer-dynamic => -C prefer-dynamic
* -Z no-integrated-as => -C no-integrated-as
As a bonus, this also promotes the -Z extra-debug-info flag to a first class -g
or --debuginfo flag.
* -Z debug-info => removed
* -Z extra-debug-info => -g or --debuginfo
Closes #9770
Closes #12000
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This commit removes the -c, --emit-llvm, -s, --rlib, --dylib, --staticlib,
--lib, and --bin flags from rustc, adding the following flags:
* --emit=[asm,ir,bc,obj,link]
* --crate-type=[dylib,rlib,staticlib,bin,lib]
The -o option has also been redefined to be used for *all* flavors of outputs.
This means that we no longer ignore it for libraries. The --out-dir remains the
same as before.
The new logic for files that rustc emits is as follows:
1. Output types are dictated by the --emit flag. The default value is
--emit=link, and this option can be passed multiple times and have all
options stacked on one another.
2. Crate types are dictated by the --crate-type flag and the #[crate_type]
attribute. The flags can be passed many times and stack with the crate
attribute.
3. If the -o flag is specified, and only one output type is specified, the
output will be emitted at this location. If more than one output type is
specified, then the filename of -o is ignored, and all output goes in the
directory that -o specifies. The -o option always ignores the --out-dir
option.
4. If the --out-dir flag is specified, all output goes in this directory.
5. If -o and --out-dir are both not present, all output goes in the current
directory of the process.
6. When multiple output types are specified, the filestem of all output is the
same as the name of the CrateId (derived from a crate attribute or from the
filestem of the crate file).
Closes #7791
Closes #11056
Closes #11667
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I'm sorry :'(
Closes #11859
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