From b8b2096ab8fd975f4d6889ecd14f9f10ba9c8839 Mon Sep 17 00:00:00 2001 From: Miguel Ojeda Date: Sat, 17 Feb 2024 01:26:02 +0100 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 Reviewed-by: Alice Ryhl Link: https://lore.kernel.org/r/20240217002602.57270-1-ojeda@kernel.org Signed-off-by: Miguel Ojeda --- scripts/Makefile.debug | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug index 059ff38fe0cb3..693452bc826aa 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 -- 2.30.2