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From 101fa23ea5e98a3245bc48e6f8c3caa3c491b09e Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@gentoo.org>
Date: Sat, 29 Aug 2020 22:30:59 +0200
Subject: [PATCH 29/40] 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 84d2adc6af..20b64c2e07 100644
--- a/config/makefiles/rust.mk
+++ b/config/makefiles/rust.mk
@@ -56,6 +56,7 @@ 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
@@ -70,6 +71,7 @@ RUSTFLAGS += -Cembed-bitcode=yes
endif
endif
endif
+endif
ifdef CARGO_INCREMENTAL
export CARGO_INCREMENTAL
--
2.28.0
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