Remove quick compile-time dependency on mclinker

Change-Id: Ib3444a0cb53438dcd38290a23381cb445384c865
diff --git a/build/Android.libart-compiler.mk b/build/Android.libart-compiler.mk
index 07fc14f..4452f05 100644
--- a/build/Android.libart-compiler.mk
+++ b/build/Android.libart-compiler.mk
@@ -74,11 +74,11 @@
 	src/elf_fixup.cc \
 	src/elf_stripper.cc \
 	src/elf_writer.cc \
-	src/elf_writer_mclinker.cc \
 	src/elf_writer_quick.cc
 
 LIBART_COMPILER_CFLAGS :=
 ifeq ($(ART_USE_PORTABLE_COMPILER),true)
+  LIBART_COMPILER_SRC_FILES += src/elf_writer_mclinker.cc
   LIBART_COMPILER_CFLAGS += -DART_USE_PORTABLE_COMPILER=1
 endif