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From: Ximin Luo <infinity0@debian.org>
Date: Thu, 14 Jul 2022 13:17:37 +0200
Subject: Don't split dwarf debug for a fully-reproducible build
Bug: https://github.com/rust-lang/rust/issues/34902
---
compiler/rustc_llvm/build.rs | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs
index 7729ec6..b8f67ee 100644
--- a/compiler/rustc_llvm/build.rs
+++ b/compiler/rustc_llvm/build.rs
@@ -179,6 +179,11 @@ fn main() {
let mut cfg = cc::Build::new();
cfg.warnings(false);
for flag in cxxflags.split_whitespace() {
+ // Split-dwarf gives unreproducible DW_AT_GNU_dwo_id so don't do it
+ if flag == "-gsplit-dwarf" {
+ continue;
+ }
+
// Ignore flags like `-m64` when we're doing a cross build
if is_crossed && flag.starts_with("-m") {
continue;
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