From: Mike Hommey <mh@glandium.org>
Date: Sun, 14 Aug 2022 06:05:23 +0000 (+0900)
Subject: Allow to override rust LTO flag
X-Git-Tag: archive/raspbian/102.9.0esr-1_deb11u1+rpi1^2~3
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=506a201fbcc8603b6eb9396f18579cea64ed32cd;p=firefox-esr.git

Allow to override rust LTO flag


Gbp-Pq: Topic debian-hacks
Gbp-Pq: Name Allow-to-override-rust-LTO-flag.patch
---

diff --git a/config/makefiles/rust.mk b/config/makefiles/rust.mk
index a243ee5f7f3..5a97613a5b1 100644
--- a/config/makefiles/rust.mk
+++ b/config/makefiles/rust.mk
@@ -90,8 +90,9 @@ ifndef rustflags_sancov
 # Never enable when coverage is enabled to work around https://github.com/rust-lang/rust/issues/90045.
 ifndef MOZ_CODE_COVERAGE
 ifeq (,$(findstring gkrust_gtest,$(RUST_LIBRARY_FILE)))
-cargo_rustc_flags += -Clto
+cargo_rustc_flags += $(or $(DEBIAN_RUST_LTO),-Clto)
 endif
+ifneq (-Clto=off,$(DEBIAN_RUST_LTO))
 # We need -Cembed-bitcode=yes for all crates when using -Clto.
 RUSTFLAGS += -Cembed-bitcode=yes
 endif
@@ -99,6 +100,7 @@ endif
 endif
 endif
 endif
+endif
 
 ifdef CARGO_INCREMENTAL
 export CARGO_INCREMENTAL