diff --git a/src/test/run-make-fulldeps/cross-lang-lto-clang/Makefile b/src/test/run-make-fulldeps/cross-lang-lto-clang/Makefile
index b3c5fb2d7964..3f74a17e0bb9 100644
--- a/src/test/run-make-fulldeps/cross-lang-lto-clang/Makefile
+++ b/src/test/run-make-fulldeps/cross-lang-lto-clang/Makefile
@@ -9,17 +9,17 @@ all: cpp-executable rust-executable
 
 cpp-executable:
 	$(RUSTC) -Clinker-plugin-lto=on -o $(TMPDIR)/librustlib-xlto.a -Copt-level=2 -Ccodegen-units=1 ./rustlib.rs
-	$(CLANG) -flto=thin -fuse-ld=lld -L $(TMPDIR) -lrustlib-xlto -o $(TMPDIR)/cmain ./cmain.c -O3
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) $(CLANG) -flto=thin -fuse-ld=lld -L $(TMPDIR) -lrustlib-xlto -o $(TMPDIR)/cmain ./cmain.c -O3
 	# Make sure we don't find a call instruction to the function we expect to
 	# always be inlined.
-	llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -v -e "call.*rust_always_inlined"
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -v -e "call.*rust_always_inlined"
 	# As a sanity check, make sure we do find a call instruction to a
 	# non-inlined function
-	llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -e "call.*rust_never_inlined"
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -e "call.*rust_never_inlined"
 
 rust-executable:
-	$(CLANG) ./clib.c -flto=thin -c -o $(TMPDIR)/clib.o -O2
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) $(CLANG) ./clib.c -flto=thin -c -o $(TMPDIR)/clib.o -O2
 	(cd $(TMPDIR); $(AR) crus ./libxyz.a ./clib.o)
 	$(RUSTC) -Clinker-plugin-lto=on -L$(TMPDIR) -Copt-level=2 -Clinker=$(CLANG) -Clink-arg=-fuse-ld=lld ./main.rs -o $(TMPDIR)/rsmain
-	llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -e "call.*c_never_inlined"
-	llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -v -e "call.*c_always_inlined"
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -e "call.*c_never_inlined"
+	$(LD_LIB_PATH_ENVVAR)=$(REAL_LD_LIBRARY_PATH) llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -v -e "call.*c_always_inlined"