commit 1cc729c5221d0ce4c80786ccdcb2de4a6ca382b6
Author: Daniel Kolesa <daniel@octaforge.org>
Date:   Sun Jan 23 21:55:43 2022 +0100

    drop some library checks
    
    This calls readelf and won't work with LTO'd setups.

diff --git a/config/makefiles/rust.mk b/config/makefiles/rust.mk
index 401c2933..ade4f1da 100644
--- a/config/makefiles/rust.mk
+++ b/config/makefiles/rust.mk
@@ -444,22 +444,6 @@ RUST_LIBRARY_DEP_FILE := $(basename $(RU
 RUST_LIBRARY_DEPS := $(wordlist 2, 10000000, $(if $(wildcard $(RUST_LIBRARY_DEP_FILE)),$(shell cat $(RUST_LIBRARY_DEP_FILE))))
 $(RUST_LIBRARY_FILE): $(CARGO_FILE) $(if $(RUST_LIBRARY_DEPS),$(RUST_LIBRARY_DEPS), force-cargo-library-build)
 	$(if $(RUST_LIBRARY_DEPS),+$(MAKE) force-cargo-library-build,:)
-# When we are building in --enable-release mode; we add an additional check to confirm
-# that we are not importing any networking-related functions in rust code. This reduces
-# the chance of proxy bypasses originating from rust code.
-# The check only works when rust code is built with -Clto but without MOZ_LTO_RUST_CROSS.
-# Sanitizers and sancov also fail because compiler-rt hooks network functions.
-ifndef MOZ_PROFILE_GENERATE
-ifeq ($(OS_ARCH), Linux)
-ifeq (,$(rustflags_sancov)$(MOZ_ASAN)$(MOZ_TSAN)$(MOZ_UBSAN))
-ifndef MOZ_LTO_RUST_CROSS
-ifneq (,$(filter -Clto,$(cargo_rustc_flags)))
-	$(call py_action,check_binary,--target --networking $@)
-endif
-endif
-endif
-endif
-endif
 
 define make_default_rule
 $(1):