Commit b8b2096a authored Feb 17, 2024 by Miguel Ojeda

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


Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240217002602.57270-1-ojeda@kernel.org


Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

parent b481dd85

scripts/Makefile.debug

+6 −0

Original line number	Diff line number	Diff line
		@@ -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