LinuxLists.cc - [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5

2024-02-17 00:31:45

Subject: [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5

Rust 1.64.0 introduced (unstable) support for the `-Zdwarf-version`
flag, which allows to select DWARFv5, thus use it.

Link: https://github.com/rust-lang/rust/issues/103057
Link: https://github.com/rust-lang/rust/pull/98350
Signed-off-by: Miguel Ojeda <[email protected]>
---
scripts/Makefile.debug | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug
index 059ff38fe0cb..693452bc826a 100644
--- a/scripts/Makefile.debug
+++ b/scripts/Makefile.debug
@@ -17,6 +17,12 @@ endif
DEBUG_CFLAGS += $(debug-flags-y)
KBUILD_AFLAGS += $(debug-flags-y)

+ifdef CONFIG_DEBUG_INFO_DWARF4
+DEBUG_RUSTFLAGS += -Zdwarf-version=4
+else ifdef CONFIG_DEBUG_INFO_DWARF5
+DEBUG_RUSTFLAGS += -Zdwarf-version=5
+endif
+
ifdef CONFIG_DEBUG_INFO_REDUCED
DEBUG_CFLAGS += -fno-var-tracking
DEBUG_RUSTFLAGS += -Cdebuginfo=1

base-commit: 841c35169323cd833294798e58b9bf63fa4fa1de
--
2.43.0

2024-03-29 19:58:28

by Miguel Ojeda

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Subject: Re: [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5

On Sat, Feb 17, 2024 at 1:26 AM Miguel Ojeda <[email protected]> wrote:
>
> Rust 1.64.0 introduced (unstable) support for the `-Zdwarf-version`
> flag, which allows to select DWARFv5, thus use it.
>
> Link: https://github.com/rust-lang/rust/issues/103057
> Link: https://github.com/rust-lang/rust/pull/98350
> Signed-off-by: Miguel Ojeda <[email protected]>

Applied to `rust-next` -- please feel free to still send reviews or
tested-bys for this one!

Cheers,
Miguel

2024-04-02 09:55:58

by Alice Ryhl

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