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From c34b95e7a79cefedcce90739e506f4f500bc2e2b Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@gentoo.org>
Date: Sat, 29 Aug 2020 22:30:59 +0200
Subject: [PATCH 27/39] LTO: Only enable LTO for Rust when complete build uses
LTO
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
---
config/makefiles/rust.mk | 2 ++
1 file changed, 2 insertions(+)
diff --git a/config/makefiles/rust.mk b/config/makefiles/rust.mk
index 615d54076b..36a2e0896e 100644
--- a/config/makefiles/rust.mk
+++ b/config/makefiles/rust.mk
@@ -64,6 +64,7 @@ endif
# These flags are passed via `cargo rustc` and only apply to the final rustc
# invocation (i.e., only the top-level crate, not its dependencies).
cargo_rustc_flags = $(CARGO_RUSTCFLAGS)
+ifdef MOZ_LTO
ifndef DEVELOPER_OPTIONS
ifndef MOZ_DEBUG_RUST
# Enable link-time optimization for release builds, but not when linking
@@ -77,6 +78,7 @@ RUSTFLAGS += -Cembed-bitcode=yes
endif
endif
endif
+endif
ifdef CARGO_INCREMENTAL
export CARGO_INCREMENTAL
--
2.30.1
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