bootstrap: add split-debuginfo config by davidtwco · Pull Request #95612 · rust-lang/rust

davidtwco · 2022-04-03T06:53:43Z

Replace run-dysutil option with more general split-debuginfo option that works on all platforms.

r? @Mark-Simulacrum

Mark-Simulacrum · 2022-04-10T14:22:16Z

Looks like CI is failing as well, but generally this looks good to me.

Mark-Simulacrum · 2022-04-12T15:31:13Z

@bors r+ rollup

bors · 2022-04-12T15:31:15Z

📌 Commit f648caa198bcb1545d3b988beea5494c1124715c has been approved by Mark-Simulacrum

Mark-Simulacrum · 2022-04-12T15:31:22Z

@bors rollup=iffy

bors · 2022-04-14T09:34:35Z

⌛ Testing commit f648caa198bcb1545d3b988beea5494c1124715c with merge 2477118c9a94097ef32a5181a3370c74beae5c13...

bors · 2022-04-14T09:43:13Z

💔 Test failed - checks-actions

Mark-Simulacrum · 2022-04-16T17:55:27Z

@bors r+ rollup=iffy

bors · 2022-04-16T17:55:28Z

📌 Commit 51bb4d1bb1f2aabf3b1c19fcd3230465343f78b8 has been approved by Mark-Simulacrum

Replace `run-dysutil` option with more general `split-debuginfo` option that works on all platforms. Signed-off-by: David Wood <david.wood@huawei.com>

bors · 2022-04-18T09:49:34Z

⌛ Testing commit b786345 with merge 7e20ed6533bdc845c311e5cfb5849e5346f74f9a...

bors · 2022-04-18T09:58:16Z

💔 Test failed - checks-actions

davidtwco · 2022-04-19T01:45:32Z

Replacing is_like_msvc with is_like_windows won't be present in the bootstrap compiler, which prevents changing it in this PR from making a difference. I guess I'll change this so that I don't set -Csplit-debuginfo on Windows for now, since there's only one sensible option for it to have anyway.

Temporarily, only enable split debuginfo on Windows if not building with the boostrap compiler as there is a bug that isn't fixed in the bootstrap compiler which would result in `thorin` being run on Windows. Signed-off-by: David Wood <david.wood@huawei.com>

Mark-Simulacrum · 2022-04-20T02:44:49Z

@bors r+

bors · 2022-04-20T02:44:51Z

📌 Commit 65cc0ad has been approved by Mark-Simulacrum

bors · 2022-04-21T05:24:50Z

⌛ Testing commit 65cc0ad with merge 5176945...

bors · 2022-04-21T07:43:54Z

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing 5176945 to master...

rust-timer · 2022-04-21T08:58:24Z

Finished benchmarking commit (5176945): comparison url.

Summary:

Primary benchmarks: 🎉 relevant improvements found
Secondary benchmarks: no relevant changes found

	Regressions 😿 (primary)	Regressions 😿 (secondary)	Improvements 🎉 (primary)	Improvements 🎉 (secondary)	All 😿 🎉 (primary)
count¹	0	0	2	0	2
mean²	N/A	N/A	-2.0%	N/A	-2.0%
max	N/A	N/A	-3.2%	N/A	-3.2%

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

@rustbot label: -perf-regression

number of relevant changes↩
the arithmetic mean of the percent change↩

semarie · 2022-04-30T18:58:48Z

+ // FIXME(davidtwco): #[cfg(not(bootstrap))] - #95612 needs to be in the bootstrap compiler
+ // for this conditional to be removed.
+ if !target.contains("windows") || compiler.stage >= 1 {
+ if target.contains("linux") || target.contains("windows") {


the condition "linux" or "windows" is way too restrictive: all others unix needs -Zunstable-options too.
Currently, i am unable to build nightly on OpenBSD due to that:
running: "/data/semarie/build-rust/install_dir/beta/bin/cargo" "build" "--target" "x86_64-unknown-openbsd" "-Zbinary-dep-depinfo" "-j" "4" "-v" "--release" "--frozen" "--manifest-path" "/data/semarie/build-rust/build_dir/rustc-nightly-src/src/tools/unstable-book-gen/Cargo.toml" "--message-format" "json-render-diagnostics" error: failed to run `rustc` to learn about target-specific information Caused by: process didn't exit successfully: `/data/semarie/build-rust/build_dir/build/bootstrap/debug/rustc - --crate-name ___ --print=file-names --cfg=bootstrap -Csymbol-mangling-version=v0 -Zmacro-backtrace -Clink-args=-Wl,-z,origin '-Clink-args=-Wl,-rpath,$ORIGIN/../lib' -Csplit-debuginfo=off -Ztls-model=initial-exec --target x86_64-unknown-openbsd --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg` (exit status: 1) --- stdout Did not run successfully: exit status: 1 "/data/semarie/build-rust/install_dir/beta/bin/rustc" "-" "--crate-name" "___" "--print=file-names" "--cfg=bootstrap" "-Csymbol-mangling-version=v0" "-Zmacro-backtrace" "-Clink-args=-Wl,-z,origin" "-Clink-args=-Wl,-rpath,$ORIGIN/../lib" "-Csplit-debuginfo=off" "-Ztls-model=initial-exec" "--target" "x86_64-unknown-openbsd" "--crate-type" "bin" "--crate-type" "rlib" "--crate-type" "dylib" "--crate-type" "cdylib" "--crate-type" "staticlib" "--crate-type" "proc-macro" "--print=sysroot" "--print=cfg" "-Wrust_2018_idioms" "-Wunused_lifetimes" "-Wsemicolon_in_expressions_from_macros" "-Dwarnings" "--sysroot" "/data/semarie/build-rust/install_dir/beta" ------------- --- stderr error: `-Csplit-debuginfo` is unstable on this platform
Adding || target.contains("openbsd") makes the build to continue.
I wonder if ! target.contains("apple") would be the right conditionnal.

after rust-lang#95612, only linux and windows target are build with -Zunstable-options, but others platforms might use -Csplit-debuginfo add "openbsd" target in the list of platforms using it.

…idtwco,Mark-Simulacrum openbsd: unbreak build on native platform after rust-lang#95612, only linux and windows target are build with `-Zunstable-options`, but others platforms might use `-Csplit-debuginfo` currently, without this PR, the build of rustc on OpenBSD fails with: ``` Building stage0 tool unstable-book-gen (x86_64-unknown-openbsd) running: "/data/semarie/build-rust/install_dir/beta/bin/cargo" "build" "--target" "x86_64-unknown-openbsd" "-Zbinary-dep-depinfo" "-j" "4" "-v" "--release" "--frozen" "--manifest-path" "/data/semarie/build-rust/build_dir/rustc-nightly-src/src/tools/unstable-book-gen/Cargo.toml" "--message-format" "json-render-diagnostics" error: failed to run `rustc` to learn about target-specific information Caused by: process didn't exit successfully: `/data/semarie/build-rust/build_dir/build/bootstrap/debug/rustc - --crate-name ___ --print=file-names --cfg=bootstrap -Csymbol-mangling-version=v0 -Zmacro-backtrace -Clink-args=-Wl,-z,origin '-Clink-args=-Wl,-rpath,$ORIGIN/../lib' -Csplit-debuginfo=off -Ztls-model=initial-exec --target x86_64-unknown-openbsd --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg` (exit status: 1) --- stdout Did not run successfully: exit status: 1 "/data/semarie/build-rust/install_dir/beta/bin/rustc" "-" "--crate-name" "___" "--print=file-names" "--cfg=bootstrap" "-Csymbol-mangling-version=v0" "-Zmacro-backtrace" "-Clink-args=-Wl,-z,origin" "-Clink-args=-Wl,-rpath,$ORIGIN/../lib" "-Csplit-debuginfo=off" "-Ztls-model=initial-exec" "--target" "x86_64-unknown-openbsd" "--crate-type" "bin" "--crate-type" "rlib" "--crate-type" "dylib" "--crate-type" "cdylib" "--crate-type" "staticlib" "--crate-type" "proc-macro" "--print=sysroot" "--print=cfg" "-Wrust_2018_idioms" "-Wunused_lifetimes" "-Wsemicolon_in_expressions_from_macros" "-Dwarnings" "--sysroot" "/data/semarie/build-rust/install_dir/beta" ------------- --- stderr error: `-Csplit-debuginfo` is unstable on this platform command did not execute successfully: "/data/semarie/build-rust/install_dir/beta/bin/cargo.bin" "build" "--target" "x86_64-unknown-openbsd" "-Zbinary-dep-depinfo" "-j" "4" "-v" "--release" "--frozen" "--manifest-path" ``` I am suspecting that all unix might be affected, but I am unsure about the right conditional to use. so I only added "openbsd" target inside it as I am able to test it. rustc nightly built correctly with this PR on openbsd.

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bootstrap: add split-debuginfo config
7593c50
Replace `run-dysutil` option with more general `split-debuginfo` option that works on all platforms. Signed-off-by: David Wood <david.wood@huawei.com>

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semarie mentioned this pull request May 1, 2022
openbsd: unbreak build on native platform #96597
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davidtwco mentioned this pull request Jun 13, 2022
session: stabilize split debuginfo on linux #98051
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ehuss mentioned this pull request Jul 13, 2022
1.62.0 build on Solaris fails with - error: -Csplit-debuginfo is unstable on this platfor #99208
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